https:\/\/thedatabus.io\/archive<\/a><\/p>\n\n\n\n YOLOv3<\/a> \u7684\u526a\u679d\u91cf\u5316\uff1a<\/p>\n\n\n\n https:\/\/github.com\/coldlarry\/YOLOv3-complete-pruning<\/a><\/p>\n\n\n\n \u8f93\u51fa\u4e3a\u5355\u4e2a\u901a\u9053\uff1a\u4e0a\u8ff0\u8fc7\u7a0b\u4e2d\uff0c\u6bcf\u4e00\u4e2a\u5377\u79ef\u6838\u7684\u901a\u9053\u6570\u91cf\uff0c\u5fc5\u987b\u8981\u6c42\u4e0e\u8f93\u5165\u901a\u9053\u6570\u91cf\u4e00\u81f4\uff0c\u56e0\u4e3a\u8981\u5bf9\u6bcf\u4e00\u4e2a\u901a\u9053\u7684\u50cf\u7d20\u503c\u8981\u8fdb\u884c\u5377\u79ef\u8fd0\u7b97\uff0c\u6240\u4ee5\u6bcf\u4e00\u4e2a\u5377\u79ef\u6838\u7684\u901a\u9053\u6570\u91cf\u5fc5\u987b\u8981\u4e0e\u8f93\u5165\u901a\u9053\u6570\u91cf\u4fdd\u6301\u4e00\u81f4<\/strong><\/p>\n\n\n\n <\/p>\n\n\n\n \u591a\u901a\u9053<\/strong><\/em>\uff1a<\/p>\n\n\n\n \u8f93\u5165 416*416*3 = 519,168 \u4e2a\u503c<\/p>\n\n\n\n conv0 \uff1a input_height=418 \u539f\u56e0\uff1a\u8fd9\u91cc\u662f\u505a1\u7684\u586b\u5145\uff0c\u6240\u4ee5 \u6700\u7ec8\u8f93\u5165\u662f 416+2 =418<\/p>\n\n\n\n 16*3\u4e2a\u5377\u79ef\u6838\uff1a\u4e00\u517116*3*9\u4e2a\u5377\u79ef\u6838\u53c2\u6570 +16\u4e2abias == \u300b 432+16<\/strong> \u4e2a\u53c2\u6570<\/p>\n\n\n\n \u8f93\u51fa\uff1a 416 *416* 16 \u4e2a\u503c\uff0c\u53732768896<\/strong>\u4e2a\u8f93\u51fa<\/p>\n\n\n\n conv1 \uff1a<\/p>\n\n\n\n \u4e00\u5171 32*16\u4e2a\u5377\u79ef\u6838 4608\u4e2a\u5377\u79ef\u6838\u6743\u91cd\u53c2\u6570\uff0c36\u4e2abias\u53c2\u6570<\/p>\n\n\n\n \u8be5\u5c42\u8f93\u51fa\uff1a 208 *208* 32 = 1384448<\/p>\n\n\n\n conv2 \uff1a <\/p>\n\n\n\n \u4e00\u5171 64 *32\u4e2a\u5377\u79ef\u6838 18432\u4e2a\u5377\u79ef\u6838\u6743\u91cd\u53c2\u6570\uff0c64\u4e2abias\u53c2\u6570 <\/p>\n\n\n\n \u8be5\u5c42\u8f93\u51fa\uff1a 104 *104*64 = 692224<\/p>\n\n\n\n conv3\uff1a<\/p>\n\n\n\n \u4e00\u5171 128*64\u4e2a\u5377\u79ef\u6838 73728\u4e2a\u5377\u79ef\u6838\u6743\u91cd\u53c2\u6570\uff0c128\u4e2abias\u53c2\u6570 <\/p>\n\n\n\n \u8be5\u5c42\u8f93\u51fa\uff1a 52 *52*128 = 346112<\/p>\n\n\n\n conv4: 256*128*9= 294912 \u4e2a\u5377\u79ef\u6838\u6743\u91cd\u53c2\u6570 \uff0c256\u4e2a\u504f\u7f6e\uff0c \u8f93\u51fa\uff1a26*26*256=173056<\/p>\n\n\n\n conv5\uff1a256*512*9 = 1179648\u4e2a\u5377\u79ef\u6838\u6743\u91cd 512 \u4e2abias\uff0c \u8f93\u51fa\uff1a13*13*512=86528<\/p>\n\n\n\n conv6\uff1a512*1024*9=4718592\u4e2a\u5377\u79ef\u6838\u6743\u91cd\uff0c1024\u4e2abias\uff0c\u8f93\u51fa\uff1a13*13*1024=173056<\/p>\n\n\n\n conv7\uff1a1024*256*1 =262144\u4e2a\u5377\u79ef\u5c42\u6743\u91cd\uff0c256\u4e2abias\uff0c\u8f93\u51fa\uff1a13*13*256=43264<\/p>\n\n\n\n conv8\uff1a256*512*9 =1179648 \u4e2a\u5377\u79ef\u5c42\u6743\u91cd \uff0c512\u4e2abias \u8f93\u51fa\uff1a13*13*512=86528<\/p>\n\n\n\n \u4e0a\u9762\u7684\u5377\u79ef\u5c42\uff1a\u540e\u9762\u7d27\u8ddf\u4e00\u4e2abatchnormal\u5c42<\/p>\n\n\n\n CONV 9 and 12 have no batch norm layer<\/p>\n\n\n\n conv9 : \u6700\u540e\u4e00\u5c42\uff1a512*255*1=130560\u4e2a\u5377\u79ef\u6743\u91cd\uff0c255\u4e2abias\uff0c 13*13*255= 43095<\/p>\n\n\n\n conv10: 256*128*1=32768\u4e2a\u6743\u91cd 128\u4e2abias \u8f93\u51fa13*13*128=21632<\/p>\n\n\n\n conv11: 384*256*3 =305280 \u4e2a\u53c2\u6570 256\u4e2abias \u8f93\u51fa26*26*256=173056<\/p>\n\n\n\n conv12: 256*255*1=65280\u4e2a\u6743\u91cd 255\u4e2abias \u8f93\u51fa26*26*255 = 172380<\/p>\n\n\n\n \u6c47\u603b\uff1a8269730\u4e2awight(\uff08\u516b\u767e\u591a\u4e07\uff09 \u8f93\u51fa\u7ed3\u679c\u4e2d\u6700\u5927 2768896\uff0c\u6700\u5c0f21632<\/p>\n\n\n\n \u5728\u5b9a\u70b9\u5b9e\u73b0\u4e2d\uff0c\u9996\u5148\u786e\u5b9a\u6574\u6570\u548c\u5c0f\u6570\u90e8\u5206\u4f7f\u7528\u4e86\u591a\u5c11\u4f4d\u662f\u5f88\u91cd\u8981\u7684\u3002\u5bf9\u4e8e\u7ebf\u6027\u91cf\u5316\uff0c\u6574\u6570\u7684\u4f4d\u5bbd\u5ea6\u4e0e\u6781\u503c\u4ee5\u53ca\u662f\u5426\u4f1a\u53d1\u751f\u6ea2\u51fa\u6709\u5173\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5206\u6570\u90e8\u5206\u7684\u957f\u5ea6\u5f71\u54cd\u91cf\u5316\u8bef\u5dee\u3002\u6b64\u5916\uff0c\u91cf\u5316\u7684\u6b65\u957f\u5c06\u5f71\u54cd\u6570\u636e\u7684\u5206\u5e03\u3002\u5bf9\u4e8e\u4e0d\u540c\u7684\u7f51\u7edc\u7c7b\u578b\uff0c\u5e94\u5728\u6bd4\u7279\u5bbd\u5ea6\u548c\u7f51\u7edc\u7cbe\u5ea6\u4e4b\u95f4\u8fdb\u884c\u5f7b\u5e95\u7684\u6743\u8861\u3002<\/p>\n\n\n\n \u5728\u5b9a\u70b9\u5b9e\u73b0\u4e2d\uff0c\u9996\u5148\u786e\u5b9a\u6574\u6570\u548c\u5c0f\u6570\u90e8\u5206\u4f7f\u7528\u4e86\u591a\u5c11\u4f4d\u662f\u5f88\u91cd\u8981\u7684\u3002\u5bf9\u4e8e\u7ebf\u6027\u91cf\u5316\uff0c\u6574\u6570\u7684\u4f4d\u5bbd\u5ea6\u4e0e\u6781\u503c\u4ee5\u53ca\u662f\u5426\u4f1a\u53d1\u751f\u6ea2\u51fa\u6709\u5173\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5206\u6570\u90e8\u5206\u7684\u957f\u5ea6\u5f71\u54cd\u91cf\u5316\u8bef\u5dee\u3002\u6b64\u5916\uff0c\u91cf\u5316\u7684\u6b65\u957f\u5c06\u5f71\u54cd\u6570\u636e\u7684\u5206\u5e03\u3002\u5bf9\u4e8e\u4e0d\u540c\u7684\u7f51\u7edc\u7c7b\u578b\uff0c\u5e94\u5728\u6bd4\u7279\u5bbd\u5ea6\u548c\u7f51\u7edc\u7cbe\u5ea6\u4e4b\u95f4\u8fdb\u884c\u5f7b\u5e95\u7684\u6743\u8861\u3002<\/p>\n\n\n\n \u5c31\u603b\u6bd4\u7279\u800c\u8a00\uff0c2\u7684\u5e42\u6b21\u66f4\u53ef\u53d6\u3002\u4e3a\u4e86\u786e\u5b9a\u5408\u9002\u7684\u6bd4\u7279\u5bbd\u5ea6\uff0c\u5728\u5305\u542b5000\u5e45\u56fe\u50cf\u7684COCO2014-val5k\u6570\u636e\u96c6\u4e0a\u8fdb\u884c\u4e86\u5b9e\u9a8c\u3002\u4e0b\u8868\u603b\u7ed3\u4e86\u6240\u6709\u5377\u79ef\u5c42\u7684\u6570\u636e\u5206\u5e03\u3002\u5f88\u660e\u663e\uff0c\u6240\u6709\u8f93\u5165\u548c\u8f93\u51fa\u7684\u7edd\u5bf9\u503c\u90fd\u5c0f\u4e8e128\u3002\u8fd9\u610f\u5473\u7740\u5728\u4e0d\u9020\u6210\u4efb\u4f55\u6ea2\u51fa\u7684\u60c5\u51b5\u4e0b\uff0c\u4e3a\u6709\u7b26\u53f7\u6574\u6570\u90e8\u5206\u5206\u914d8\u4f4d\u5c31\u8db3\u591f\u4e86\u3002<\/p>\n\n\n\n \u5c1d\u8bd5\u4f7f\u75288\u4f4d\u8868\u793a\u6574\u6570\u90e8\u5206\uff0c\u53e6\u59168\u4f4d\u8868\u793a\u5c0f\u6570\u3002\u5efa\u7acb\u4e86\u8f6f\u4ef6\u5b9a\u70b9\u4eff\u771f\u7cfb\u7edf\uff1a<\/p>\n\n\n\n \u56e0\u6b64\u9009\u62e916bit\u5b58\u50a8\u6743\u91cd\u4ee5\u53ca16bit\u7684\u6570\u636e\u6743\u91cd\uff0c\u4e24\u8005\u90fd\u753116\u4f4d\u5b9a\u70b9\u6570\u5b57\u8868\u793a\u3002\u5bf9\u4e8e\u5377\u79ef\u7a97\u53e3\u7684\u7ed3\u679c\uff0c\u91c7\u752832\u4f4d\u4ee5\u51cf\u5c11\u53ef\u80fd\u7684\u6ea2\u51fa\uff0c\u5e76\u63d0\u4f9b\u66f4\u9ad8\u7684\u7d2f\u79ef\u7cbe\u5ea6\u3002\u901a\u8fc7\u5b9e\u65bd\u5b9a\u70b9\u4f18\u5316\uff0c\u6570\u636e\u5bbd\u5ea6\u4ece32\u4f4d\u538b\u7f29\u523016\u4f4d\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684DMA\u4f20\u8f93\u3002\u6b64\u5916\uff0c\u4f7f\u7528\u5b9a\u70b9\u8868\u793a\u4e3a\u5ef6\u8fdf\u548c\u8d44\u6e90\u5e26\u6765\u4e86\u5b9e\u5b9e\u5728\u5728\u7684\u597d\u5904\u3002<\/p>\n\n\n\n \u5b98\u65b9 float leaky_activate(float x){return (x>0) ? x : .1*x;}<\/p>\n\n\n\n \u4f7f\u7528\u52a8\u6001\u5b9a\u70b9\u91cf\u5316\u65f6\uff0c\u6fc0\u6d3b\u51fd\u6570 Leaky ReLU \u4e5f\u8981\u8fdb\u884c\u76f8\u5e94\u7684\u91cf\u5316\u64cd\u4f5c\u3002\u5f53\u4f4d\u5bbd bw \u4e3a 16 \u65f6\uff0c\u4f7f\u7528\u4e0e 0xccc \u76f8\u4e58\u548c\u53f3\u79fb 15 \u4f4d\u7684\u5b9a\u70b9\u8fd0\u7b97\u6765\u62df\u5408\u4e0e 0.1 \u76f8\u4e58\u7684\u64cd\u4f5c\u3002\u91cf\u5316\u540e\u7684 Leaky ReLU \u5982\u4e0b\u6240\u793a\uff1a OLOv3 tiny\u4e2d\u7684\u5927\u591a\u6570\u5377\u79ef\u5c42\u5728\u6fc0\u6d3b\u524d\u90fd\u4f1a\u8fdb\u884c\u6279\u91cf\u5f52\u4e00\u5316\u3002\u4f7f\u7528\u4e00\u4e9b\u6570\u5b66\u6280\u672f\u6d88\u9664\u6279\u6b21\u6807\u51c6\u5316\u662f\u5b89\u5168\u7684\u3002\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5f97\u5230\u4ee5\u4e0b\u65b9\u7a0b\u5f0f\u3002<\/p>\n\n\n\n w’0ij\u548cb’j\u662f\u65b0\u7684\u6743\u91cd\u548c\u504f\u5dee\u3002\u56e0\u4e3a\u8fd9\u79cd\u8f6c\u6362\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u4e4b\u524d\u5b8c\u6210,\u6d6e\u70b9\u8ba1\u7b97\u8fc7\u7a0b\u4e2d\u7684\u4e00\u4e9b\u53ef\u5ffd\u7565\u7684\u7cbe\u5ea6\u635f\u5931\u5916\u3002\u5408\u5e76\u6279\u6b21\u5f52\u4e00\u5316\u4e5f\u4f1a\u5f71\u54cd\u6743\u91cd\u7684\u5206\u5e03\u3002<\/p>\n\n\n\n 2D \u5377\u79ef\u662f\u4e00\u79cd\u91c7\u7528\u6743\u91cd\u5185\u6838\uff08\u6216\u7a97\u53e3\u6216\u77e9\u9635\uff09\u5e76\u4f7f\u7528\u8fd9\u4e9b\u6743\u91cd\uff08\u6b64\u77e9\u9635\u4e2d\u7684\u503c\uff09\u4ee5\u67d0\u79cd\u65b9\u5f0f\u4fee\u6539\u8f93\u5165\u56fe\u50cf\uff08\u6216\u7279\u5f81\u56fe\u6216\u6fc0\u6d3b\u56fe\uff09\u7684\u64cd\u4f5c\uff0cpad \u9ed8\u8ba4\u88650\u64cd\u4f5c<\/p>\n\n\n\n \u5728\u795e\u7ecf\u7f51\u7edc\u4e2d\u7684\u5404\u79cd\u6570\u5b66\u7ebf\u6027\u8fd0\u7b97\u4e4b\u95f4\u5f15\u5165\u4e86\u6fc0\u6d3b\u51fd\u6570\uff0c\u76ee\u7684\u662f\u4e3a\u6574\u4e2a\u7f51\u7edc\u5f15\u5165\u975e\u7ebf\u6027\u3002\u6ca1\u6709\u5b83\uff0c\u6574\u4e2a\u795e\u7ecf\u7f51\u7edc\u5c06\u7b80\u5316\u4e3a\u5355\u4e2a\u7ebf\u6027\u51fd\u6570\uff0c\u6211\u4eec\u90fd\u77e5\u9053\u8fd9\u6837\u7684\u51fd\u6570\u4e0d\u8db3\u4ee5\u6a21\u62df\u4efb\u4f55\u590d\u6742\u7684\u4e1c\u897f\uff0c\u5fd8\u8bb0\u50cf\u56fe\u50cf\u8bc6\u522b\u8fd9\u6837\u7684\u4e1c\u897f\u3002<\/p>\n\n\n\n \u6587\u732e\u4e2d\u6709\u591a\u79cd\u7528\u4e8e\u6b64\u76ee\u7684\u7684\u51fd\u6570\uff0c\u4f46\u6700\u5e38\u7528\uff08\u4e5f\u662f\u7b2c\u4e00\u4e2a\uff09\u4f7f\u7528\u7684\u51fd\u6570\u662f ReLu\uff08\u6574\u6d41\u7ebf\u6027\u5355\u5143\uff09\u548c Tanh\uff08\u53cc\u66f2\u6b63\u5207\uff09\u51fd\u6570\u3002<\/p>\n\n\n\n \u6c60\u5316\u672c\u8d28\u4e0a\u662f\u4e00\u79cd\u201c\u4e0b\u91c7\u6837\u201d\u64cd\u4f5c\uff0c\u65e8\u5728\u51cf\u5c11\u6570\u636e\u5728\u7f51\u7edc\u4e2d\u4f20\u64ad\u65f6\u7684\u53c2\u6570\u6570\u91cf\u548c\u590d\u6742\u6027\u3002\u6b64\u8fc7\u7a0b\u6d89\u53ca\u5728\u8f93\u5165\u4e0a\u8fd0\u884c\u201c\u6c60\u5316\u7a97\u53e3\u201d\u5e76\u4f7f\u7528\u67d0\u79cd\u7b97\u6cd5\u51cf\u5c0f\u8f93\u5165\u7684\u5927\u5c0f\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6700\u5e38\u89c1\u7684\u7b97\u6cd5\u662f Max – Pooling \u548c Average – Pooling\u3002<\/p>\n\n\n\n \u6700\u5927\u6c60\u5316\u2014\u2014\u5728\u8fd9\u79cd\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u53ea\u4fdd\u7559\u843d\u5165\u6c60\u5316\u7a97\u53e3\u7684\u6240\u6709\u503c\u4e2d\u7684\u6700\u5927\u503c\uff0c\u5e76\u4e22\u5f03\u5176\u4ed6\u503c\u3002<\/p>\n\n\n\n \u5e73\u5747\u6c60\u5316 – \u5728\u6b64\u65b9\u6cd5\u4e2d\uff0c\u8ba1\u7b97\u6c60\u5316\u7a97\u53e3\u5185\u6240\u6709\u5143\u7d20\u7684\u5e73\u5747\u503c\uff0c\u5e76\u4fdd\u7559\u8be5\u503c\u800c\u4e0d\u662f\u6240\u6709\u503c\u3002<\/p>\n\n\n\n yolov3 \u4e2d\u7684\u4e0a\u91c7\u6837\u5c42\u4f7f\u7528\u7684\u662f2*2\u4e0a\u91c7\u6837\uff1a<\/p>\n\n\n\n \u9996\u5148\u5047\u8bbe\u539f\u56fe\u662f\u4e00\u4e2a\u50cf\u7d20\u5927\u5c0f\u4e3aW*H\u7684\u56fe\u7247\uff0c\u7f29\u653e\u540e\u7684\u56fe\u7247\u662f\u4e00\u4e2a\u50cf\u7d20\u5927\u5c0f\u4e3aw*h\u7684\u56fe\u7247\uff0c\u8fd9\u65f6\u5019\u6211\u4eec\u662f\u5df2\u77e5\u539f\u56fe\u4e2d\u6bcf\u4e2a\u50cf\u7d20\u70b9\u4e0a\u7684\u50cf\u7d20\u503c\uff08\u5373\u7070\u5ea6\u503c\u7b49\uff09\u7684\uff08\u26a0\ufe0f\u50cf\u7d20\u70b9\u5bf9\u5e94\u50cf\u7d20\u503c\u7684\u5750\u6807\u90fd\u662f\u6574\u6570\uff09\u3002\u8fd9\u4e2a\u65f6\u5019\u5df2\u77e5\u7f29\u653e\u540e\u6709\u4e00\u4e2a\u50cf\u7d20\u70b9\u4e3a(x,y)\uff0c\u60f3\u8981\u5f97\u5230\u8be5\u50cf\u7d20\u70b9\u7684\u50cf\u7d20\u503c\uff0c\u90a3\u4e48\u5c31\u8981\u6839\u636e\u7f29\u653e\u6bd4\u4f8b\u53bb\u67e5\u770b\u5176\u5bf9\u5e94\u7684\u539f\u56fe\u7684\u50cf\u7d20\u70b9\u7684\u50cf\u7d20\u503c\uff0c\u7136\u540e\u5c06\u8be5\u50cf\u7d20\u503c\u8d4b\u503c\u7ed9\u8be5\u7f29\u653e\u540e\u56fe\u7247\u7684\u50cf\u7d20\u70b9(x,y)<\/p>\n\n\n\n \u7f29\u653e\u516c\u5f0f\u4e3a\uff1a<\/p>\n\n\n\n \u56e0\u6b64\u8fd9\u4e2a\u65f6\u5019\u7f29\u653e\u540e\u7684\u56fe\u7247\u50cf\u7d20\u70b9(x,y)\u7684\u50cf\u7d20\u503c\u5c31\u5bf9\u5e94\u7740\u539f\u56fe\u50cf\u7d20\u70b9( W\/w * x, H\/h *y)\u7684\u50cf\u7d20\u503c<\/p>\n\n\n\n \u4f46\u662f\u8fd9\u4e2a\u65f6\u5019\u4f1a\u51fa\u73b0\u4e00\u4e2a\u95ee\u9898\u5c31\u662f\u56e0\u4e3a\u7f29\u653e\u6bd4\u4f8b\u7684\u539f\u56e0\uff0c\u4f1a\u5bfc\u81f4\u50cf\u7d20\u70b9( W\/w * x, H\/h *y)\u4e2d\u7684\u503c\u4e0d\u662f\u6574\u6570\uff0c\u90a3\u4e48\u5c31\u4e0d\u77e5\u9053\u5e94\u8be5\u5bf9\u5e94\u7684\u662f\u54ea\u4e2a\u50cf\u7d20\u70b9\u7684\u50cf\u7d20\u503c<\/p>\n\n\n\n \u8fd9\u4e2a\u65f6\u5019\u6700\u90bb\u8fd1\u63d2\u503c\u7b97\u6cd5\u4f7f\u7528\u7684\u65b9\u6cd5\u5c31\u662f\u56db\u820d\u4e94\u5165\u6cd5\uff0c\u8868\u793a\u4e3a[.],\u6240\u4ee5\u50cf\u7d20\u503cf(x,y) = f( [W\/w * x], [H\/h *y])<\/p>\n\n\n\n \u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5982\u679c\u539f\u56fe\u4e3a5*5\uff0c\u7f29\u653e\u540e\u7684\u56fe\u4e3a3*3\uff0c\u90a3\u4e48\u7f29\u653e\u540e\u7684\u56fe\u7684\u50cf\u7d20\u70b9(1,1)\u5bf9\u5e94\u7684\u5c31\u662f\u539f\u56fe\u4e2d([5\/3 * 1], [5\/3 * 1]) = ([0.6], [0.6]) = (1,1) \u50cf\u7d20\u70b9\u5bf9\u5e94\u7684\u50cf\u7d20\u503c<\/p>\n\n\n\n \u8fd9\u79cd\u65b9\u6cd5\u7684\u597d\u5904\u5c31\u662f\u7b80\u5355\uff0c\u4f46\u662f\u574f\u5904\u5c31\u662f\u592a\u8fc7\u7c97\u66b4\uff0c\u4f1a\u7f3a\u5931\u7cbe\u5ea6\uff0c\u9020\u6210\u7f29\u653e\u540e\u7684\u56fe\u50cf\u7070\u5ea6\u4e0a\u7684\u4e0d\u8fde\u7eed\uff0c\u5728\u53d8\u5316\u5730\u65b9\u53ef\u80fd\u51fa\u73b0\u660e\u663e\u952f\u9f7f\u72b6\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\uff08\u5de6\u539f\u56fe\uff0c\u53f3\u7f29\u653e\u540e\uff09<\/p>\n\n\n\n \u5728yolo\u4e2d\u5b58\u5728\u7d2f\u52a0\u64cd\u4f5c\uff1aconv\u5c42 \u7684\u8f93\u51fa\u4e0e\u53e6\u5916\u4e00\u4e2aconv\u5c42\u8f93\u51fa\u52a0\u548c\uff1a<\/p>\n\n\n\n yolo<\/a>\u5728\u7ecf\u8fc7\u591a\u4e2a\u5377\u79ef\u548c\u4e0a\u91c7\u6837\u4e4b\u540e\u6700\u7ec8\u5f97\u5230\u7684\u662f2\u4e2a\u4e2a\u5377\u79ef\u7ed3\u679c\uff0813*13*255\uff0c26*26*255\uff09\uff0c\u6bcf\u4e00\u4e2a\u5377\u79ef\u7ed3\u679c\u7684\u957f\u548c\u5bbd\u5206\u522b\u662f\uff0813×13,26×26),\u6df1\u5ea6\u4fe1\u606f\u662f [4(box\u4fe1\u606f)+1(\u7269\u4f53\u5224\u522b\u4fe1\u606f)+80(classNum\u7f6e\u4fe1\u5ea6)] *3(\u6bcf\u4e2a\u70b9\u4e0a\u9762\u8ba1\u7b97\u51e0\u4e2aanchor)<\/p>\n\n\n\n \u5bf9\u4e8e\u5177\u6709Gh\u00d7Gw\u00d7Nin\u8f93\u5165\u7684YoLO\u5c42\uff0c\u5b83\u5c06\u539f\u59cb\u56fe\u50cf\u5212\u5206\u4e3a Gh\u00d7Gw \u7f51\u683c\u3002\u901a\u9053\u6570n\u7b49\u4e8e\uff084 +1+C\uff09\u00d7B\uff0c\u5176\u4e2dB\u8868\u793a\u5728\u4e00\u4e2a\u7f51\u683c\u4e2d\u53ef\u4ee5\u68c0\u6d4b\u5230\u591a\u5c11\u4e2a\u5bf9\u8c61\uff0cC\u8868\u793a\u5bf9\u8c61\u7c7b\u522b\u7684\u6570\u91cf\u3002\u5728YOLOv3 tiny\u4e2d\uff0cB\u8bbe\u7f6e\u4e3a3\uff0cCOCO\u6570\u636e\u96c6\u4e2d\u670980\u4e2a\u7c7b\uff08c=80\uff09.<\/p>\n\n\n\n \u56e0\u6b64\uff0cYLO\u5c42\u7684\u8f93\u5165\u5177\u6709255\u7684\u6052\u5b9a\u503c\uff0c\u8fd9\u8fdb\u4e00\u6b65\u5206\u4e3a3\u7ec4\uff08 \u8868\u793a\u5728\u4e00\u4e2a\u7f51\u683c\u4e2d\u53ef\u4ee5\u68c0\u6d4b 3\u79cd\u5bf9\u8c61\uff09\u3002\u5728\u6bcf\u7ec4\u4e2d\uff0c4\u4e2a\u901a\u9053\u63d0\u4f9b\u5173\u4e8e\u8fb9\u754c\u6846\u7684\u4fe1\u606f\uff0c1\u4e2a\u901a\u9053\u8868\u793a\u5bf9\u8c61\u5206\u6570\uff0c\u5176\u4f5980\u4e2a\u901a\u9053\u8868\u793a\u5355\u4e2a\u7c7b\u5206\u6570\u3002Yolo\u5c42\u5728\u6240\u6709\u901a\u9053\u4e0a\u4f7f\u7528Sigmod\u6fc0\u6d3b\u51fd\u6570\uff0c\u9664\u4e86\u8868\u793a\u8fb9\u754c\u6846\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u7684\u901a\u9053\u4ee5\u5916\u3002\u5173\u952e\u5728\u4e8e\u6307\u5b9a\u54ea\u4e9b\u901a\u9053\u5e94\u8be5\u901a\u8fc7sigmoid\u51fd\u6570\uff0c\u54ea\u4e9b\u901a\u9053\u5e94\u8be5\u4e0d\u88ab\u89e6\u53ca\u3002\u89e3\u51b3\u65b9\u6848\u662f\u63d0\u4f9b\u4e00\u4e2a\u8868\uff0c\u5176\u4e2d\u6bcf\u4e2a\u4f4d\u90fd\u8868\u793a\u662f\u5426\u5e94\u8f6c\u6362\u901a\u9053\u3002<\/p>\n\n\n\n \u6700\u7ec8\u5f97\u5230\u7684\u8fb9\u6846\u5750\u6807\u503c\u662fbx,by,bw,bh\u5373\u8fb9\u754c\u6846bbox\u76f8\u5bf9\u4e8efeature map\u7684\u4f4d\u7f6e\u548c\u5927\u5c0f\uff0c\u662f\u6211\u4eec\u9700\u8981\u7684\u9884\u6d4b\u8f93\u51fa\u5750\u6807\u3002\u4f46\u7f51\u7edc\u5b9e\u9645\u4e0a\u7684\u5b66\u4e60\u76ee\u6807\u662ftx,ty,tw,th\u8fd9\uff14\u4e2a\u504f\u79fb\u91cf\uff08<\/strong>offsets\uff09<\/strong>\uff0c\u5176\u4e2dtx,ty<\/strong>\u662f\u9884\u6d4b\u7684\u5750\u6807\u504f\u79fb\u503c\uff0ctw,th<\/strong>\u662f\u5c3a\u5ea6\u7f29\u653e\uff0c\u6709\u4e86\u8fd9\uff14\u4e2aoffsets\uff0c\u81ea\u7136\u53ef\u4ee5\u6839\u636e\u56fe2\u7684\u516c\u5f0f\u53bb\u6c42\u5f97\u771f\u6b63\u9700\u8981\u7684bx,by,bw,bh\uff14\u4e2a\u5750\u6807\u3002bx\uff0cby\u662f\u9884\u6d4b\u6846\u4e2d\u5fc3\u5750\u6807\uff0cbw\uff0cbh\u662f\u9884\u6d4b\u6846\u7684\u5bbd\u9ad8<\/p>\n\n\n\n \u5176\u4e2d \\(C_{x} C_{y}\\)\u662f feature map\u4e0aanchor box\u7684\u5bbd\u548c\u9ad8<\/strong>, \\(t_{y}, t_{w} t_{z} t_{x}\\)\u662f 4\u4e2a\u901a\u9053\u63d0\u4f9b\u5173\u4e8e\u8fb9\u754c\u6846\u7684\u4fe1\u606f <\/p>\n\n\n\n Cx,Cy\u662ffeature map\u4e2dgrid cell\u7684\u5de6\u4e0a\u89d2\u5750\u6807\uff0c\u5728yolov3\u4e2d\u6bcf\u4e2agrid cell\u5728feature map\u4e2d\u7684\u5bbd\u548c\u9ad8\u5747\u4e3a1\u3002\u5982\u56fe3\u7684\u60c5\u5f62\u65f6\uff0c\u8fd9\u4e2abbox\u8fb9\u754c\u6846\u7684\u4e2d\u5fc3\u5c5e\u4e8e\u7b2c\u4e8c\u884c\u7b2c\u4e8c\u5217\u7684grid cell\uff0c\u5b83\u7684\u5de6\u4e0a\u89d2\u5750\u6807\u4e3a(1,1)\uff0c\u6545Cx=1,Cy=1\u3002Pw\u3001Ph\u662f\u9884\u8bbe\u7684anchor box\u6620\u5c04\u5230feature map\u4e2d\u7684\u5bbd\u548c\u9ad8\uff0c\u5728yolov3.cfg\u6587\u4ef6\u4e2d\u7684anchor box\u539f\u672c\u8bbe\u5b9a\u662f\u76f8\u5bf9\u4e8e416*416\u5750\u6807\u7cfb\u4e0b\u7684\u5750\u6807\uff0c\u4ee3\u7801\u4e2d\u662f\u628acfg\u4e2d\u8bfb\u53d6\u7684\u5750\u6807\u9664\u4ee5stride\u598232\u6620\u5c04\u5230feature map\u5750\u6807\u7cfb\u4e2d\u3002<\/p>\n\n\n\n yolov3.cfg\u6587\u4ef6\u4e2d\u7684anchor box \uff1a<\/p>\n\n\n\n anchors = 10,14, 23,27, 37,58, 81,82, 135,169, 344,319<\/p>\n\n\n\n \u95ee\u9898\uff1aanchor box\u4f5c\u7528\u7684\u8be6\u7ec6\u63cf\u8ff0\u3002 yolo\u5377\u79ef\u9ed8\u8ba4\u88650<\/p>\n\n\n\n \u4e3b\u8981\u601d\u60f3\u662f\u6784\u5efa\u4e00\u4e2a\u9ad8\u5ea6\u6d41\u6c34\u7ebf\u7684\u6d41\u5f0f\u67b6\u6784\uff0c\u5176\u4e2d\u5904\u7406\u6a21\u5757\u4e0d\u5fc5\u5728\u4efb\u4f55\u65f6\u95f4\u70b9\u505c\u6b62\u3002\u5373\u5377\u79ef\u5668\u7684\u4efb\u4f55\u90e8\u5206\u90fd\u4e0d\u4f1a\u7b49\u5f85\u4efb\u4f55\u5176\u4ed6\u90e8\u5206\u5b8c\u6210\u5176\u5de5\u4f5c\u5e76\u63d0\u4f9b\u7ed3\u679c\u3002\u6bcf\u4e2a\u9636\u6bb5\u5728\u6bcf\u4e2a\u65f6\u949f\u5468\u671f\u7684\u8f93\u5165\u7684\u4e0d\u540c\u90e8\u5206\u4e0a\u8fde\u7eed\u6267\u884c\u6574\u4e2a\u5de5\u4f5c\u7684\u4e00\u5c0f\u90e8\u5206\u3002\u8fd9\u4e0d\u4ec5\u4ec5\u662f\u8be5\u8bbe\u8ba1\u7684\u4e00\u4e2a\u7279\u70b9\uff0c\u5b83\u662f\u4e00\u79cd\u79f0\u4e3a\u201c\u6d41\u6c34\u7ebf\u201d\u7684\u4e00\u822c\u539f\u5219\uff0c\u5e7f\u6cdb\u7528\u4e8e\u5c06\u5927\u578b\u8ba1\u7b97\u8fc7\u7a0b\u5206\u89e3\u4e3a\u66f4\u5c0f\u7684\u6b65\u9aa4\uff0c\u5e76\u63d0\u9ad8\u6574\u4e2a\u7535\u8def\u53ef\u4ee5\u8fd0\u884c\u7684\u6700\u9ad8\u9891\u7387\u3002<\/p>\n\n\n\n \u5177\u4f53\u6d41\u7a0b\uff1a <\/p>\n\n\n\n \u4e0b\u4e00\u6b21\u4ecea1\u5f00\u59cb\u8f93\u5165\uff0c\u8f93\u51fa \u8f93\u51fa = w0*a01+ w1*a2 + w2*a3 + w3*a5 + w4*a6 + w5*a7 + w6*a9 + w7*a10 + w8*a11 <\/p>\n\n\n\n \u8f93\u51fa = w0*a0 + w1*a1 + w2*a2 + w3*a4 + w4*a5 + w5*a6 + w6*a8 + w7*a9 + w8*a10<\/p>\n\n\n\n \u8fd9\u79cd\u67b6\u6784\u7684\u4f18\u70b9\uff1a<\/p>\n\n\n\n \u4ee3\u7801\uff1a<\/p>\n\n\n\n \u5355\u4e2a\u52a0\u6cd5\uff1a<\/strong><\/p>\n\n\n\n \u591a\u5377\u79ef\u6838\u7684\u504f\u7f6e\uff1a\u540c\u4e00\u4e2a\u901a\u9053\u7684\u5377\u79ef\u6838\u5171\u7528\u4e00\u4e2a\u504f\u7f6e\u3002\u6bcf\u4e2a\u5377\u79ef\u6838\u5377\u79ef\u540e\u7684\u7ed3\u679c+bias<\/p>\n\n\n\n https:\/\/cs231n.github.io\/assets\/conv-demo\/index.html<\/a><\/p>\n\n\n\n \u5b9a\u70b9\u6570\u5b57\u662f\u5c0f\u6570\u70b9\u4f4d\u7f6e\u4fdd\u6301\u56fa\u5b9a\u7684\u6570\u5b57\uff0c\u4e0e\u6570\u5b57\u6240\u4ee3\u8868\u7684\u503c\u65e0\u5173\u3002\u4e0e\u6d6e\u70b9\u6570\u76f8\u6bd4\uff0c\u8fd9\u4f7f\u5f97\u5b9a\u70b9\u6570\u66f4\u6613\u4e8e\u7406\u89e3\u4ee5\u53ca\u5728\u786c\u4ef6\u4e2d\u5b9e\u73b0\u3002\u4e0e\u6d6e\u70b9\u8fd0\u7b97\u76f8\u6bd4\uff0c\u5b9a\u70b9\u8fd0\u7b97\u4f7f\u7528\u7684\u8d44\u6e90\u4e5f\u5c11\u5f97\u591a\u3002\u5f53\u7136\uff0c\u6240\u6709\u8fd9\u4e9b\u90fd\u9700\u8981\u6743\u8861\u3002\u6d6e\u70b9\u8fd0\u7b97\u53ef\u4ee5\u4e3a\u7279\u5b9a\u4f4d\u5bbd\u63d0\u4f9b\u6bd4\u5b9a\u70b9\u8fd0\u7b97\u66f4\u9ad8\u7684\u7cbe\u5ea6\u3002\u5f53\u6211\u4eec\u4f7f\u7528\u4e8c\u8fdb\u5236\u70b9\u4f4d\u4e8e\u56fa\u5b9a\u4f4d\u7f6e\u7684\u6570\u5b57\u65f6\uff0c\u6211\u4eec\u4f1a\u5728\u91cf\u5316\u566a\u58f0\u65b9\u9762\u53d7\u5230\u6253\u51fb\uff0c\u5c3d\u7ba1\u8be5\u6570\u5b57\u8868\u793a\u5e45\u5ea6\u3002<\/p>\n\n\n\n \u5173\u952e\uff1a<\/p>\n\n\n\n 1\u3001\u53c2\u8003\u7f51\u7ad9 \uff1ahttps:\/\/blog.csdn.net\/alangaixiaoxiao?type=blog<\/a><\/p>\n\n\n\n 2\u3001FIFO https:\/\/blog.csdn.net\/alangaixiaoxiao\/article\/details\/81432144?spm=1001.2014.3001.5502<\/a><\/p>\n\n\n\n 3\u3001Verilog \u6709\u7b26\u53f7\u6570\u4e0e\u65e0\u7b26\u53f7\u6570\u8fd0\u7b97 https:\/\/blog.csdn.net\/alangaixiaoxiao\/article\/details\/106209193?spm=1001.2014.3001.5502<\/a><\/p>\n\n\n\n 4\u3001HLS\u5b9e\u73b0YOLO\u795e\u7ecf\u7f51\u7edc\u7cfb\u5217\uff08\u4e00\uff09https:\/\/blog.csdn.net\/alangaixiaoxiao\/article\/details\/104634089?spm=1001.2014.3001.5502<\/a><\/p>\n\n\n\n 5\u3001yolov3\u4ece\u5934\u5b9e\u73b0\uff08\u4e94\uff09– yolov3\u7f51\u7edc\u5757https:\/\/blog.csdn.net\/m0_43609475\/article\/details\/107984633<\/a><\/p>\n\n\n\n \u3000\u3000FIFO\u662f\u82f1\u6587First In First Out \u7684\u7f29\u5199\uff0c\u662f\u4e00\u79cd\u5148\u8fdb\u5148\u51fa\u7684\u6570\u636e\u7f13\u5b58\u5668\uff0c\u5b83\u4e0e\u666e\u901a\u5b58\u50a8\u5668\u7684\u533a\u522b\u662f\u6ca1\u6709\u5916\u90e8\u8bfb\u5199\u5730\u5740\u7ebf\uff0c\u8fd9\u6837\u4f7f\u7528\u8d77\u6765\u975e\u5e38\u7b80\u5355\uff0c\u4f46\u7f3a\u70b9\u5c31\u662f\u53ea\u80fd\u987a\u5e8f\u5199\u5165\u6570\u636e\uff0c\u987a\u5e8f\u7684\u8bfb\u51fa\u6570\u636e\uff0c\u5176\u6570\u636e\u5730\u5740\u7531\u5185\u90e8\u8bfb\u5199\u6307\u9488\u81ea\u52a8\u52a01\u5b8c\u6210\uff0c\u4e0d\u80fd\u50cf\u666e\u901a\u5b58\u50a8\u5668\u90a3\u6837\u53ef\u4ee5\u7531\u5730\u5740\u7ebf\u51b3\u5b9a\u8bfb\u53d6\u6216\u5199\u5165\u67d0\u4e2a\u6307\u5b9a\u7684\u5730\u5740\u3002<\/p>\n\n\n\n \u7528\u90141\uff1a<\/p>\n\n\n\n \u3000\u3000\u5f02\u6b65FIFO\u8bfb\u5199\u5206\u522b\u91c7\u7528\u76f8\u4e92\u5f02\u6b65\u7684\u4e0d\u540c\u65f6\u949f\u3002\u5728\u73b0\u4ee3\u96c6\u6210\u7535\u8def\u82af\u7247\u4e2d\uff0c\u968f\u7740\u8bbe\u8ba1\u89c4\u6a21\u7684\u4e0d\u65ad\u6269\u5927\uff0c\u4e00\u4e2a\u7cfb\u7edf\u4e2d\u5f80\u5f80\u542b\u6709\u6570\u4e2a\u65f6\u949f\uff0c\u591a\u65f6\u949f\u57df\u5e26\u6765\u7684\u4e00\u4e2a\u95ee\u9898\u5c31\u662f\uff0c\u5982\u4f55\u8bbe\u8ba1\u5f02\u6b65\u65f6\u949f\u4e4b\u95f4\u7684\u63a5\u53e3\u7535\u8def\u3002\u5f02\u6b65FIFO\u662f\u8fd9\u4e2a\u95ee\u9898\u7684\u4e00\u79cd\u7b80\u4fbf\u3001\u5feb\u6377\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4f7f\u7528\u5f02\u6b65FIFO\u53ef\u4ee5\u5728\u4e24\u4e2a\u4e0d\u540c\u65f6\u949f\u7cfb\u7edf\u4e4b\u95f4\u5feb\u901f\u800c\u65b9\u4fbf\u5730\u4f20\u8f93\u5b9e\u65f6\u6570\u636e\u3002<\/p>\n\n\n\n \u7528\u90142\uff1a<\/p>\n\n\n\n \u3000\u3000\u5bf9\u4e8e\u4e0d\u540c\u5bbd\u5ea6\u7684\u6570\u636e\u63a5\u53e3\u4e5f\u53ef\u4ee5\u7528FIFO\uff0c\u4f8b\u5982\u5355\u7247\u673a\u4f4d8\u4f4d\u6570\u636e\u8f93\u51fa\uff0c\u800cDSP\u53ef\u80fd\u662f16\u4f4d\u6570\u636e\u8f93\u5165\uff0c\u5728\u5355\u7247\u673a\u4e0eDSP\u8fde\u63a5\u65f6\u5c31\u53ef\u4ee5\u4f7f\u7528FIFO\u6765\u8fbe\u5230\u6570\u636e\u5339\u914d\u7684\u76ee\u7684\u3002<\/p>\n\n\n\n \u4e8c\u3001\u5206\u7c7b<\/p>\n\n\n\n \u3000\u3000\u540c\u6b65FIFO\u662f\u6307\u8bfb\u65f6\u949f\u548c\u5199\u65f6\u949f\u4e3a\u540c\u4e00\u4e2a\u65f6\u949f\uff0c\u5728\u65f6\u949f\u6cbf\u6765\u4e34\u65f6\u540c\u65f6\u53d1\u751f\u8bfb\u5199\u64cd\u4f5c\uff1b<\/p>\n\n\n\n \u3000\u3000\u5f02\u6b65FIFO\u662f\u6307\u8bfb\u5199\u65f6\u949f\u4e0d\u4e00\u81f4\uff0c\u8bfb\u5199\u65f6\u949f\u662f\u4e92\u76f8\u72ec\u7acb\u7684\u3002<\/p>\n\n\n\n \u4e09\u3001FIFO\u7684\u5e38\u89c1\u53c2\u6570<\/p>\n\n\n\n \u3000\u3000\u8bfb\u6307\u9488\uff1a\u603b\u662f\u6307\u5411\u4e0b\u4e00\u4e2a\u5c06\u8981\u88ab\u5199\u5165\u7684\u5355\u5143\uff0c\u590d\u4f4d\u65f6\uff0c\u6307\u5411\u7b2c1\u4e2a\u5355\u5143(\u7f16\u53f7\u4e3a0)\u3002<\/p>\n\n\n\n \u3000\u3000\u5199\u6307\u9488\uff1a\u603b\u662f\u6307\u5411\u5f53\u524d\u8981\u88ab\u8bfb\u51fa\u7684\u6570\u636e\uff0c\u590d\u4f4d\u65f6\uff0c\u6307\u5411\u7b2c1\u4e2a\u5355\u5143(\u7f16\u53f7\u4e3a0)<\/p>\n\n\n\n \u3000\u3000FIFO\u8bbe\u8ba1\u7684\u5173\u952e\uff1a\u4ea7\u751f\u53ef\u9760\u7684FIFO\u8bfb\u5199\u6307\u9488\u548c\u751f\u6210FIFO\u201c\u7a7a\u201d\/\u201c\u6ee1\u201d\u72b6\u6001\u6807\u5fd7\u3002<\/p>\n\n\n\n \u3000\u3000\u5f53\u8bfb\u5199\u6307\u9488\u76f8\u7b49\u65f6\uff0c\u8868\u660eFIFO\u4e3a\u7a7a\uff0c\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\u5728\u590d\u4f4d\u64cd\u4f5c\u65f6\uff0c\u6216\u8005\u5f53\u8bfb\u6307\u9488\u8bfb\u51faFIFO\u4e2d\u6700\u540e\u4e00\u4e2a\u5b57\u540e\uff0c\u8ffd\u8d76\u4e0a\u4e86\u5199\u6307\u9488\u65f6<\/p>\n\n\n\n \u5f53\u8bfb\u5199\u6307\u9488\u518d\u6b21\u76f8\u7b49\u65f6\uff0c\u8868\u660eFIFO\u4e3a\u6ee1\uff0c\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\u5728\uff0c\u5f53\u5199\u6307\u9488\u8f6c\u4e86\u4e00\u5708\uff0c\u6298\u56de\u6765(wrapped around)\u53c8\u8ffd\u4e0a\u4e86\u8bfb\u6307\u9488<\/p>\n\n\n\n \u4e3a\u4e86\u533a\u5206\u5230\u5e95\u662f\u6ee1\u72b6\u6001\u8fd8\u662f\u7a7a\u72b6\u6001\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n\n\n\n \u3000 \u65b9\u6cd51\uff1a\u5728\u6307\u9488\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u989d\u5916\u7684\u4f4d(extra bit)\uff0c\u5f53\u5199\u6307\u9488\u589e\u52a0\u5e76\u8d8a\u8fc7\u6700\u540e\u4e00\u4e2aFIFO\u5730\u5740\u65f6\uff0c\u5c31\u5c06\u5199\u6307\u9488\u8fd9\u4e2a\u672a\u7528\u7684MSB\u52a01\uff0c\u5176\u5b83\u4f4d\u56de\u96f6\u3002\u5bf9\u8bfb\u6307\u9488\u4e5f\u8fdb\u884c\u540c\u6837\u7684\u64cd\u4f5c\u3002\u6b64\u65f6\uff0c\u5bf9\u4e8e\u6df1\u5ea6\u4e3a2n\u7684FIFO\uff0c\u9700\u8981\u7684\u8bfb\/\u5199\u6307\u9488\u4f4d\u5bbd\u4e3a(n+1)\u4f4d\uff0c\u5982\u5bf9\u4e8e\u6df1\u5ea6\u4e3a8\u7684FIFO\uff0c\u9700\u8981\u91c7\u75284bit\u7684\u8ba1\u6570\u5668\uff0c0000\uff5e1000\u30011001\uff5e1111\uff0cMSB\u4f5c\u4e3a\u6298\u56de\u6807\u5fd7\u4f4d\uff0c\u800c\u4f4e3\u4f4d\u4f5c\u4e3a\u5730\u5740\u6307\u9488\u3002<\/p>\n\n\n\n tb\u6d4b\u8bd5\u6587\u4ef6<\/p>\n\n\n\n \u4eff\u771f\u5206\u6790\uff1a<\/p>\n\n\n\n \u5728 100 ns \u65f6\u523b\u540e\uff0cempty \u4fe1\u53f7 \u548c almost_empty \u4fe1\u53f7\u56e0\u4e3a FIFO \u4e3a\u7a7a\uff0c\u6240\u4ee5\u4e3a\u9ad8\u7535\u5e73\u6709\u6548\u3002\u4f46\u6211\u4eec\u53ef\u4ee5\u89c2\u5bdf\u5230 full \u4ee5\u53ca almost full \u4fe1\u53f7\u786e\u4ecd\u7136\u4fdd\u6301\u9ad8\u7535\u5e73\uff0c\u5b9e\u9645\u4e0a\u6b64\u65f6\uff0cFIFO \u663e\u7136\u6ca1\u6709\u6ee1\uff0c\u6240\u4ee5\u8fd9\u4e24\u4e2a\u4fe1\u53f7\u662f\u4e0d\u6b63\u786e\u7684\u3002\u4ed6\u4eec\u9700\u8981\u4e00\u6bb5\u65f6\u95f4\uff0c\u4e5f\u5c31\u662f\u76f4\u5230 260 ns \u65f6\u523b\uff0c\u6062\u590d\u5230\u6b63\u5e38\u7684\u4f4e\u7535\u5e73\uff0c\u8fd9\u8bf4\u660e\u8fd9\u4e24\u4e2a\u72b6\u6001\u4fe1\u53f7\u5728\u590d\u4f4d\u540e\u9700\u8981\u4e00\u6bb5\u65f6\u95f4\u624d\u80fd\u6062\u590d\u6b63\u5e38\u3002<\/p>\n\n\n\n \u63a5\u4e0b\u6765\u6211\u4eec\u4f9d\u6b21\u5411 FIFO \u5199\u5165 16 \u4e2a\u6570\u636e\uff0c\u518d\u4f9d\u6b21\u8bfb\u53d6\u3002FIFO \u7684\u6df1\u5ea6\u4e3a 16\u3002\u6211\u4eec\u901a\u8fc7\u7f16\u5199 testbench\uff0c\u8fde\u7eed\u4ea7\u751f 16 \u6b21 wr_en \u5199\u6709\u6548\u4fe1\u53f7\uff0c\u5e76\u6bcf\u6b21 wr_en \u5199\u6709\u6548\u65f6\uff0c\u5199\u5165\u6570\u636e\u52a0\u4e00\u3002\u5ef6\u8fdf\u4e00\u6bb5\u65f6\u5019\u540e\uff0c\u518d\u8fde\u7eed\u4ea7\u751f 16 \u6b21 rd_en \u8bfb\u6709\u6548\u4fe1\u53f7\uff0c\u5c06\u4e4b\u524d\u5199\u5165\u7684\u6570\u636e\u5168\u6570\u8bfb\u53d6\u51fa\u6765\u3002<\/p>\n\n\n\n \u9996\u5148\u6765\u770b\u4e09\u4e2a\u7a7a\u72b6\u6001\u4fe1\u53f7\u3002<\/p>\n\n\n\n \u7b2c\u4e00\u4e2a\u7a7a\u72b6\u6001\u4fe1\u53f7\uff0c\u5728\u7b2c\u4e00\u4e2a wr_en \u4fe1\u53f7\u7ed3\u675f\u540e\u7684\u7b2c\u4e00\u4e2a\u65f6\u949f\u4e0a\u5347\u6cbf\u7f6e\u4f4e\u3002almost_empty \u4fe1\u53f7\u5728\u7b2c\u4e8c\u4e2a\u5199\u4f7f\u80fd\u4fe1\u53f7\u540e\u7684\u65f6\u949f\u4e0a\u5347\u6cbf\u7f6e\u4f4e\uff0c\u4ee3\u8868\u6b64\u65f6 FIFO \u4e2d\u5df2\u7ecf\u6709\u8d85\u8fc7\u4e00\u4e2a\u6570\u636e\u3002\u800c prog_empty \u6211\u4eec\u81ea\u5b9a\u4e49\u7684\u201c\u51e0\u4e4e\u201d\u7a7a\u4fe1\u53f7\uff0c\u5728\u5199\u5165\u4e09\u4e2a\u6570\u636e\u540e\u7f6e\u4f4e\uff0c\u56e0\u4e3a\u6211\u4eec\u8bbe\u7f6e\u7684\u81ea\u5b9a\u4e49\u9608\u503c\u662f 2\uff0cFIFO \u4e2d\u6709\u8d85\u8fc7\u4e24\u4e2a\u6570\u636e\u540e\u4fe1\u53f7\u4e0d\u518d\u6709\u6548\u3002\u4e0d\u8fc7\u6211\u4eec\u53ef\u4ee5\u89c2\u5bdf\u5230\u53ef\u7f16\u7a0b\u4fe1\u53f7\u548c\u539f\u751f\u4fe1\u53f7\u76f8\u6bd4\u6709\u4e00\u4e2a\u5468\u671f\u7684\u5ef6\u65f6\uff0c\u5982\u679c\u5bf9\u5468\u671f\u654f\u611f\u7684\u5e94\u7528\u5e94\u5f53\u6ce8\u610f\u5230\u8fd9\u4e2a\u5c0f\u5c0f\u7684\u5468\u671f\u65f6\u5ef6\u3002<\/p>\n\n\n\n <\/p>\n\n\n\n full \u6ee1\u4fe1\u53f7\u548c empty \u4fe1\u53f7\u7684\u7279\u6027\u5b8c\u5168\u76f8\u540c\uff0c\u6211\u4eec\u6765\u770b\u4e0b full \u4fe1\u53f7\u7684\u7f6e\u9ad8\u4e0e\u7f6e\u4f4e\u7684\u8fc7\u7a0b\u3002\u5728\u590d\u4f4d\u4e00\u6bb5\u65f6\u95f4\u540e\uff0cfull \u4fe1\u53f7\u6062\u590d\u6b63\u5e38\u3002\u5f53\u5199\u5165\u7b2c 14 \u4e2a\u6570\u636e\u540e\uff0cprog_full \u4fe1\u53f7\u7f6e\u8d77\u3002\u5199\u5165\u7b2c15 \u4e2a\u6570\u636e\u540e\uff0c\u5728\u5199\u6709\u6548\u4fe1\u53f7\u9ad8\u7535\u5e73\u4e4b\u540e\u7684\u7b2c\u4e00\u4e2a\u4e0a\u5347\u6cbf\uff0calmost_full \u4fe1\u53f7\u7f6e\u8d77\u3002\u6700\u540e\u662f full \u4fe1\u53f7\uff0cprog_full \u4fe1\u53f7\u4ecd\u7136\u6709\u4e00\u4e2a\u65f6\u949f\u7684\u5ef6\u8fdf\u3002<\/p>\n\n\n\n FIFO \u63d0\u4f9b\u4e86\u4e00\u7ec4\u63a5\u53e3\u7528\u4e8e\u663e\u793a\u5f53\u524d FIFO \u4e2d\u7684\u6570\u636e\u4e2a\u6570\u3002\u5728\u7b2c\u4e00\u4e2a\u6570\u636e\u5199\u5165\u540e\uff0cdata_count \u5c31\u53d8\u5316\u4e3a 1\uff0c\u4e4b\u540e\u6bcf\u5199\u5165\u4e00\u4e2a\u6570\u636e\u589e\u957f 1 \u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u9700\u8981\u8bb0\u5f55\u5199\u5165 FIFO \u7684\u6570\u636e\u6570\u91cf\uff0c\u6bd4\u5982\u6211\u4eec\u9700\u8981\u5728 FIFO \u4e2d\u7f13\u5b58\u4e00\u5e27 16 byte \u957f\u7684\u6570\u636e\uff0c\u6211\u4eec\u7684 FIFO \u51fa\u4e8e\u591a\u5e27\u6570\u636e\u7f13\u51b2\u7684\u9700\u6c42\uff0c\u6df1\u5ea6\u80af\u5b9a\u8fdc\u5927\u4e8e\u4e00\u5e27\u6570\u636e\u7684\u957f\u5ea6\uff0c\u90a3\u4e48\u6211\u4eec\u663e\u7136\u65e0\u6cd5\u4f9d\u9760\u7a7a\uff0c\u6ee1\u4fe1\u53f7\u8fdb\u884c\u5224\u65ad\u3002\u4e00\u65b9\u9762\u53ef\u4ee5\u81ea\u5df1\u4f7f\u7528\u903b\u8f91\u5bf9\u5199\u4f7f\u80fd\u8fdb\u884c\u8ba1\u6570\uff0c\u6216\u8005\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 FIFO \u6838\u63d0\u4f9b\u7684\u8ba1\u6570\u529f\u80fd\uff0c\u8be5\u529f\u80fd\u6211\u6ca1\u6709\u9a8c\u8bc1\u8fc7\uff0c\u4f46\u5728\u540c\u6b65\u7684\u60c5\u51b5\u4e0b\uff0c\u6570\u636e\u8ba1\u6570\u5e94\u8be5\u662f\u5b8c\u5168\u51c6\u786e\u7684\u3002<\/p>\n\n\n\n \u503c\u5f97\u6ce8\u610f\u7684\u662f\u5728\u5199\u5165\u7b2c 16 \u4e2a\u6570\u636e\u540e\uff0c\u8ba1\u6570\u8f93\u51fa\u53d8\u4e3a 0 \uff0c\u8fd9\u662f\u4e2a\u5c0f\u5931\u8bef\uff0c\u56e0\u4e3a\u6211\u4eec\u7684\u56db\u4f4d\u8ba1\u6570\u503c\u663e\u7136\u5728\u8bb0\u5f55 16 \u65f6\u6ea2\u51fa\u4e86\uff0c\u56e0\u6b64\u6211\u4eec\u4e00\u822c\u9700\u8981 log2(\u6df1\u5ea6) + 1 \u4f4d\u5bbd\u7684\u8ba1\u6570\u503c\u3002<\/p>\n\n\n\n <\/p>\n\n\n\n \u8bfb\u5ef6\u8fdf\u4e0e First Word Fall Through \u7279\u6027<\/strong><\/p>\n\n\n\n \u7b2c\u4e00\u884c\u662f\u8bfb\u53d6\u7684\u6570\u636e\uff0c\u7b2c\u4e8c\u884c\u662f\u8bfb\u4f7f\u80fd\u4fe1\u53f7\uff0c\u6700\u540e\u4e00\u884c\u662f\u65f6\u949f\u3002\u6211\u4eec\u4ece\u7b2c\u4e8c\u4e2a\u8bfb\u4f7f\u80fd\u4fe1\u53f7\u6765\u770b\u4f1a\u6bd4\u8f83\u6e05\u6670\uff0c\u56e0\u4e3a\u6570\u636e\u901a\u9053\u7684\u590d\u4f4d\u503c\u662f 0x0\uff0c\u4f46\u7b2c\u4e00\u4e2a\u5199\u5165\u7684\u6570\u636e\u4e5f\u662f 0x0,\u6240\u4ee5\u7b2c\u4e00\u4e2a\u8bfb\u4f7f\u80fd\u4fe1\u53f7\u770b\u4e0d\u592a\u6e05\u6670\u3002\u7b2c\u4e8c\u4e2a\u8bfb\u4f7f\u80fd\u4fe1\u53f7\u5728\u9ec4\u7ebf\u5904\u7684\u65f6\u949f\u4e0a\u5347\u6cbf\u7f6e\u8d77\uff0c\u76f4\u5230\u4e0b\u4e00\u4e2a\u65f6\u949f\u4e0a\u5347\u6cbf\uff0c\u6570\u636e 0x01 \u624d\u4f1a\u51fa\u73b0\u5728\u6570\u636e\u7ebf\u4e0a\uff0c\u8fd9\u5c31\u662f\u8bfb\u4fe1\u53f7\u65f6\u7684\u4e00\u4e2a\u65f6\u949f\u5ef6\u8fdf\uff0c\u4e00\u4e2a\u65f6\u949f\u7684\u957f\u5ea6\u662f\u76f8\u5bf9\u4e8e\u8bfb\u4f7f\u80fd\u6709\u6548\u7684\u7b2c\u4e00\u4e2a\u65f6\u949f\u4e0a\u5347\u6cbf\u800c\u8a00\u3002<\/p>\n\n\n\n 1\u4e2a\u65f6\u949f\u7684\u56fa\u5b9a\u5ef6\u8fdf\u5bf9\u4e8e\u7b80\u5355\u7684\u540c\u6b65\u7cfb\u7edf\u6765\u8bf4\u95ee\u9898\u4e0d\u5927\uff0c\u53ea\u8981\u5728\u8bfb\u4fe1\u53f7\u6709\u6548\u4e4b\u540e\u56fa\u5b9a\u5ef6\u8fdf\u4e00\u4e2a\u5468\u671f\u518d\u8bfb\u53d6\u6216\u8005\u4f7f\u7528\u8bfb\u6570\u636e\u7ebf\u4e0a\u7684\u6570\u636e\u5373\u53ef\u3002\u6bd4\u5982\u4f7f\u7528\u72b6\u6001\u673a\u65f6\uff0c\u5728\u4e0a\u4e00\u4e2a\u72b6\u6001\u7f6e\u8d77\u8bfb\u6709\u6548\uff0c\u7b49\u5230\u4e0b\u4e00\u4e2a\u72b6\u6001\u518d\u8bfb\u53d6\u6570\u636e\u3002<\/p>\n\n\n\n \u90a3\u4e48\u6709\u6ca1\u6709\u529e\u6cd5\u6d88\u9664\u8fd9\u4e2a\u5ef6\u8fdf\uff0c\u8fd9\u5c31\u53c8\u8981\u8bf4\u8bf4\u6211\u4eec\u4e0a\u7bc7\u4e2d\u914d\u7f6e ip \u6838\u65f6\u89c1\u5230\u7684 First Word Fall Through \u7279\u6027\u3002<\/p>\n\n\n\n \u8be5\u7279\u6027\u7684\u4e3b\u8981\u529f\u80fd\u662f\uff0c\u54ea\u6015\u4f60\u8fd8\u6ca1\u9001\u51fa\u8bfb\u4f7f\u80fd\u4fe1\u53f7\uff0c\u6211\u5c31\u628aFIFO \u4e2d\u4e0b\u4e00\u4e2a\u6570\u636e\u51c6\u5907\u5230\u6570\u636e\u7ebf\u4e0a\u3002\u6bd4\u5982 FIFO \u4e2d\u6709\u4e24\u4e2a\u6570\u636e 0x1,0x2,\u5f53\u4f60\u4ec0\u4e48\u90fd\u8fd8\u6ca1\u505a\u65f6\uff0c\u8bfb\u6570\u636e\u7ebf\u4e0a\u5df2\u7ecf\u662f 0x1\u4e86\uff0c\u5f53\u4f60\u8bfb\u53d6\u4e00\u4e2a\u6570\u636e\u540e\uff0c\u6570\u636e\u7ebf\u4e0a\u5c31\u53d8\u6210\u4e86 0x2 \u2014\u2014\u4e0b\u4e00\u4e2a\u7b49\u5f85\u8bfb\u53d6\u7684\u6570\u636e\u3002\u4f46\u6ce8\u610f\u5230\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e2a\u7279\u6027\uff0cFIFO \u771f\u6b63\u7684\u6df1\u5ea6\u5df2\u7ecf\u6269\u5c55\u4e3a 18 \u4f4d\u3002\uff08\u90a3\u4e48\u8ba1\u6ee1\uff0c\u8ba1\u7a7a\u662f\u6309\u7167 18 \u4f4d\u8fd8\u662f 16 \u4f4d\u5462\uff1f\uff09\u3002<\/strong><\/p>\n\n\n\n \u5f53\u6211\u4eec\u5199\u6ea2\u51fa\u4f1a\u600e\u6837\uff0c\u662f\u629b\u5f03\u6700\u65e9\u7684\u6570\u636e\u8fd8\u662f\u65e0\u89c6\u6700\u65b0\u7684\u6570\u636e\uff1f<\/strong><\/p>\n\n\n\n FIFO \u4f7f\u7528\u4e2d\u6700\u9700\u8981\u6ce8\u610f\u7684\u95ee\u9898\u5728\u4e8e\u6ea2\u51fa\uff0c\u6211\u4eec\u9700\u8981\u501f\u52a9\u7a7a\/\u6ee1\u4fe1\u53f7\u6765\u5224\u5b9a FIFO \u7684\u72b6\u6001\uff0c\u5c3d\u91cf\u907f\u514d FIFO \u7684\u8bfb\u5199\u6ea2\u51fa\u3002\u4f46\u5982\u679c\u6211\u4eec\u5199\u6ea2\u51fa\u4e86\u4f1a\u600e\u6837\uff1f<\/p>\n\n\n\n \u6211\u4eec\u5411\u6df1\u5ea6\u4e3a 16 \uff08\u5f00\u542f First Word Fall Through \u7279\u6027\u540e\u5b9e\u9645\u6df1\u5ea6\u4e3a 18 \uff09\u7684FIFO \uff0c\u4e00\u53e3\u6c14\u5199 20 \u4e2a\u6570\u636e\u548c\u4f7f\u80fd\u4fe1\u53f7\u3002\u5f53\u6211\u4eec\u8bfb\u53d6 20 \u4e2a\u4fe1\u53f7\u65f6\uff0c\u6211\u4eec\u662f\u4f1a\u8bfb\u5230\u524d 20 \u4e2a\uff0c\u8fd8\u662f\u540e 20\u4e2a\u6570\u636e\uff1f<\/p>\n\n\n\n \u7b54\u6848\u662f\u524d 18 \u4e2a\u6570\u636e\uff0c\u8bfb\u53d6\u5230\u7684\u6700\u540e\u4e00\u4e2a\u6570\u636e\u662f 0x66 \uff0c\u5728 0x66 \u4e4b\u540e\u7684\u4e24\u4e2a\u5199\u5165\u6570\u636e 0x00 \u548c 0x78 \u5e76\u6ca1\u6709\u8fdb\u5165 FIFO\u3002<\/p>\n\n\n\n \u6240\u4ee5\u7ed3\u8bba\u662f FIFO \u5728\u5199\u6ee1\u4e4b\u540e\uff0c\u4f1a\u4fdd\u8bc1\u4e4b\u524d\u5199\u5165\u7684\u6570\u636e\uff0c\u800c\u62d2\u7edd\u65b0\u5199\u5165\u7684\u6570\u636e\u3002\u53e6\u5916\uff0c\u80fd\u591f\u5bb9\u7eb3\u7684\u6570\u636e\u5e76\u4e0d\u662f\u540d\u4e49\u4e0a\u7684 FIFO \u6df1\u5ea6\uff0c\u800c\u662f IP \u6838\u914d\u7f6e\u754c\u9762\u663e\u793a\u7684\u5b9e\u9645\u6df1\u5ea6\uff0c\u672c\u4f8b\u4e2d\u662f 18 \u3002<\/p>\n\n\n\n \u6570\u636e\u56e0\u4e3a FIFO \u5199\u6ee1\u800c\u4e22\u5931\uff0c\u5f88\u6709\u53ef\u80fd\u9020\u6210\u4e25\u91cd\u7684\u7cfb\u7edf\u95ee\u9898\uff0c\u9700\u8981\u8ba4\u771f\u9009\u53d6\u5408\u9002\u7684 FIFO \u6df1\u5ea6\u3002<\/p>\n\n\n\n \u5f53\u6211\u4eec\u7684 FIFO \u6ca1\u6709\u6570\u636e\uff0c\u4f46\u5934\u94c1\u786c\u8981\u8bfb\u53d6\u4f1a\u600e\u6837\uff1f<\/strong><\/p>\n\n\n\n \u5728\u5199\u5165 16 \u4e2a\u6570\u636e\u540e\uff0c\u6211\u4eec\u95f2\u6765\u65e0\u4e8b\uff0c\u51b3\u5b9a\u8bfb\u53d6\u4e2a 20 \u6b21\u6570\u636e\u3002<\/p>\n\n\n\n \u4f60\u8bfb\u53d6\u5230\u4e86 16 \u4e2a\u6570\u636e\uff0c\u5e76\u6ca1\u6709\u4ec0\u4e48\u7279\u522b\u7684\u4e8b\u60c5\u53d1\u751f\u3002<\/p>\n\n\n\n \u5f53\u6211\u4eec\u540c\u65f6\u8bfb\u5199\u4f1a\u600e\u6837\uff1f<\/strong><\/p>\n\n\n\n \u5f53 FIFO \u6ca1\u6709\u6570\u636e\u65f6\uff0c\u5728\u5f00\u542f Fall Through \u7684\u60c5\u51b5\u4e0b\uff0c\u540c\u65f6\u8bfb\u53d6\u548c\u5199\u5165\u6570\u636e\u3002<\/p>\n\n\n\n \u53ef\u4ee5\u53d1\u73b0\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5b58\u5728\u95ee\u9898\uff1a<\/p>\n\n\n\n \u5728\u524d\u4e09\u4e2a\u8bfb\u4f7f\u80fd\u5468\u671f\uff0c\u8bfb\u53d6\u5230\u7684\u90fd\u662f FIFO \u4e2d\u7684\u521d\u59cb\u503c 0x00\uff0c\u76f4\u5230\u7b2c 3 \u4e2a\u8bfb\u4f7f\u80fd\u4fe1\u53f7\uff0c\u624d\u8bfb\u53d6\u5230 FIFO \u4e2d\u7684\u7b2c\u4e00\u4e2a\u6570\u636e 0x80,\u6700\u7ec8 16 \u4e2a\u8bfb\u4f7f\u80fd\u4fe1\u53f7\u5b9e\u9645\u4e0a\u53ea\u8bfb\u5230\u4e86 14 \u4e2a\u6709\u6548\u6570\u636e\u3002<\/p>\n\n\n\n \u4f46\u5982\u679c\u5148\u5199\u5165 3 \u4e2a\u6570\u636e\u540e\uff0c\u518d\u540c\u65f6\u8bfb\u5199<\/p>\n\n\n\n \u6b64\u65f6\u5c31\u4e0d\u4f1a\u51fa\u73b0\u95ee\u9898\uff0c\u6240\u4ee5\u5f00\u542f Fall Through \u7684\u60c5\u51b5\u4e0b\uff0c\u524d 2 \u4e2a\u5468\u671f\u662f\u65e0\u6cd5\u8bfb\u53d6\u6570\u636e\u7684\uff0c\u4f46\u5728\u4e4b\u540e\u7684\u65f6\u949f\u4e2d\uff0c\u540c\u65f6\u8bfb\u53d6\u4e5f\u662f\u4e0d\u4f1a\u6709\u95ee\u9898\u7684\u3002<\/p>\n\n\n\n \u6ca1\u6709\u5f00\u542fFall Through \u7684\u60c5\u51b5\u4e0b\uff0c\u7b2c\u4e00\u4e2a\u8bfb\u4f7f\u80fd\u4f1a\u56e0\u4e3a\u4e00\u4e2a\u5468\u671f\u7684\u8bfb\u5ef6\u8fdf\u65e0\u6cd5\u8bfb\u5230\u6570\u636e\u3002\u4e5f\u5c31\u662f\u8bf4\u4f1a\u5c11\u8bfb\u53d6\u4e00\u4e2a\u6570\u636e\u3002<\/p>\n\n\n\n\n\n\n\n \u77e5\u4e4e\uff1a<\/p>\n\n\n\n https:\/\/zhuanlan.zhihu.com\/p\/51600261<\/a><\/p>\n\n\n\n RAM -> Ramdom Access Memory \uff0c\u968f\u673a\u5b58\u53d6\u5b58\u50a8\u5668\u3002\u4f55\u4e3a\u968f\u673a\u5b58\u53d6\u3002\u4e3e\u4e2a\u4e0d\u51c6\u786e\u7684\u4f8b\u5b50\uff1a\u548c\u4e0a\u7bc7\u6587\u7ae0\u4e2d\u7684 FIFO \u8fdb\u884c\u5bf9\u6bd4\u3002\u5bf9\u4e8e FIFO \u6765\u8bf4\uff0c\u53ea\u6709\u8bfb\u5199\u4e24\u4e2a\u64cd\u4f5c\uff0c\u53ea\u80fd\u987a\u5e8f<\/strong>\u8bfb\u5199\u3002\u4f46\u5bf9\u4e8e RAM \u6765\u8bf4\uff0c\u540c\u6837\u7684\u8bfb\u5199\u64cd\u4f5c\uff0c\u7528\u6237\u53ef\u4ee5\u5728\u8bfb\u5199\u65f6\u6307\u5b9a\u8bfb\u5199\u7684\u5730\u5740<\/strong>\uff0c\u5b9e\u73b0\u5bf9\u6574\u4e2a\u5b58\u50a8\u5668\u7684\u4e71\u5e8f\uff08\u968f\u673a\uff09<\/strong>\u8bfb\u5199\u8bbf\u95ee\u3002<\/p>\n\n\n\n BRAM -> Block RAM\uff0c\u82b1\u540d\uff1a\u5757 RAM\u3002<\/p>\n\n\n\n FPGA \u4e2d\u6709\u4e24\u79cd RAM \u8d44\u6e90\uff0c\u53e6\u4e00\u79cd RAM \u8d44\u6e90\u4e3a Distributed RAM\uff0cDistributed RAM \u7ecf\u8fc7\u7efc\u5408\u5de5\u5177\u7efc\u5408\uff0c\u901a\u8fc7\u591a\u7ea7 LUT \u67e5\u627e\u8868\u8d44\u6e90\u7ea7\u8054\u5b9e\u73b0\uff0c\u90a3\u4e48\u4e00\u4e2a Distributed RAM \u53ef\u80fd\uff08\u7efc\u5408\u5de5\u5177\u5b9e\u9645\u5e94\u8be5\u4e0d\u4f1a\uff09\u662f\u7531\u5929\u5357\u5730\u5317\uff0c\u76f8\u9694\u5f88\u8fdc\u7684 LUT \u7ea7\u8054\u5b9e\u73b0\u7684\uff0c\u6545\u540d\u5206\u5e03\u5f0f\u3002\u5206\u5e03\u5f0f RAM \u53ef\u4ee5\u5229\u7528\u4e30\u5bcc\u7075\u6d3b\u7684 LUT \u8d44\u6e90\uff0c\u53ef\u4ee5\u6839\u636e\u4f7f\u7528\u60c5\u51b5\u7075\u6d3b\u914d\u7f6e\uff0c\u9002\u5408\u5bf9 RAM \u5ef6\u8fdf\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u5408\uff0c\u6bd5\u7adf\u5e76\u4e0d\u662f”\u771f\u6b63”\u7684 RAM\u3002\uff08\u5176\u5b9e\u7269\u7406\u4e0a\u4e5f\u662f\u771f\u6b63\u7684 RAM\uff0c\u4f46\u4e0d\u662f\u4e13\u7528\u7684\uff09<\/p>\n\n\n\n \u90a3\u4e48 Block RAM \u76f8\u6bd4\u5206\u5e03\u5f0f RAM\uff0c\u5c31\u662f\u4e00\u4f4d\u4e13\u4e1a<\/strong>\u9009\u624b\u4e86\uff0cBRAM \u662f FPGA \u5382\u5546\u5728\u903b\u8f91\u8d44\u6e90\u4e4b\u5916\uff0c\u7ed9 FPGA \u52a0\u5165\u7684\u4e13\u7528 RAM \u5757\u8d44\u6e90\u3002\u76f8\u6bd4\u5206\u5e03\u5f0f RAM\uff0cRAM \u5757\u5185\u90e8\u4ee5\u53ca\u4e0e\u903b\u8f91\u8d44\u6e90\u4e4b\u95f4\u7ecf\u8fc7\u7279\u610f\u7684\u5e03\u5c40\u5e03\u7ebf\uff0c\u4f7f BRAM \u5177\u6709\u5f88\u9ad8\u7684\u8fd0\u884c\u901f\u5ea6\uff0c\u786e\u5b9a\u7684\u4f4e\u5ef6\u8fdf\u5468\u671f\uff0c\u4f46\u6709\u9650\u7684\u8d44\u6e90\u6570\u91cf\u3002<\/p>\n\n\n\n \u5728 Vivado \u4e2d\uff0c\u4f7f\u7528 BRAM Memory Generator \u53ef\u89c6\u5316\u5de5\u5177\u751f\u6210 BRAM ip \u6838\u3002<\/p>\n\n\n\n \u901a\u8fc7\u5728 Ip catlog \u4e2d\u641c\u7d22 BRAM\uff0c\u5c31\u53ef\u4ee5\u6253\u5f00 Generator<\/p>\n\n\n\n \u5757\/\u5206\u5e03\u5f0f RAM \u6709\u72ec\u7acb\u7684\u751f\u6210\u5de5\u5177\u3002\u53ef\u4ee5\u4ece AXI4 \u4e00\u680f\u4e86\u89e3\u5230\u8be5 IP \u5bf9 AXI4 \u534f\u8bae\u7684\u652f\u6301\u60c5\u51b5\u3002\u652f\u6301 AXI4,AXI4-Lite,AXI-Stream \u6216\u8005\u4e0d\u652f\u6301\u3002<\/p>\n\n\n\n \u65f6\u949f\uff0c\u590d\u4f4d\u4fe1\u53f7 \u8bfb\u5199\u5730\u5740\u7684\u5bbd\u5ea6\u53ef\u4ee5\u57fa\u4e8e RAM \u7684\u6df1\u5ea6\uff0clog2(\u6df1\u5ea6)\uff0c\u4e5f\u53ef\u4ee5\u56fa\u5b9a\u4e3a 32 \u4f4d\u3002<\/p>\n\n\n\n RAM \u5199\u4f7f\u80fd\u6709\u6548\u65f6\uff0c\u53ef\u4ee5\u5199\u5165\u6570\u636e\u3002\u5728\u4f7f\u7528 always enable<\/strong> \u6a21\u5f0f\u4e0b\uff0c\u8bfb\u53d6\u5728\u6bcf\u4e2a\u65f6\u949f\u4e0a\u5347\u6cbf\u6709\u6548\uff0c\u4e0d\u9700\u8981\u989d\u5916\u7684\u4f7f\u80fd\u4fe1\u53f7\u3002\u4e0d\u7136\u7684\u8bdd RAM \u5728\u8bfb\u5199\u65f6\u90fd\u9700\u8981 ena \u4f7f\u80fd\u4fe1\u53f7\u6709\u6548\u3002<\/p>\n\n\n\n \u603b\u4f53\u4e0a Memory \u6309\u7167\u7c7b\u578b\u53ef\u4ee5\u5206\u4e3a RAM \u548c ROM\uff0cROM \u9884\u7f6e\u4e86\u6570\u636e\uff0c\u5728\u4f7f\u7528\u4e2d\u53ea\u80fd\u88ab\u8bfb\u53d6\uff0c\u4e0d\u80fd\u5199\u5165\uff0cROM \u5b9e\u73b0\u7684\u7269\u7406\u7ed3\u6784\u4e0e RAM \u7c7b\u4f3c\uff0c\u76f8\u5f53\u4e8e\u4e00\u4e2a\u53ea\u80fd\u8bfb\u53d6\u7684 \u201dRAM\u201d\u3002\u4e00\u822c\u7528\u4e8e\u5b58\u653e\u4e00\u4e9b\u56fa\u5b9a\u7684\u53c2\u6570\uff0c\u6bd4\u5982 FIR \u6ee4\u6ce2\u5668\u7684\u53c2\u6570\u7b49\u7b49\uff0c\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u53ea\u9700\u8981\u8bfb\u53d6\uff0c\u4e0d\u9700\u8981\u4e5f\u4e0d\u80fd\u4fee\u6539\u3002<\/p>\n\n\n\n \u6309\u7167\u7aef\u53e3\u7684\u6570\u91cf\u6709\u5355\u7aef\u53e3\u4ee5\u53ca\u53cc\u7aef\u53e3\u4e4b\u5206\uff0c\u53cc\u7aef\u53e3\u6765\u81ea\u4e8e\u540c\u65f6\u5bf9 RAM \u8fdb\u884c\u8bfb\u5199\u7684\u9700\u6c42\u3002\u4e00\u8fb9\u5c06\u7b49\u5f85\u5904\u7406\u7684\u6570\u636e\u4ece\u7aef\u53e3 A \u8f93\u5165 RAM\uff0c\u53e6\u4e00\u7aef\u53e3 B \u8bfb\u53d6\u6570\u636e\u8fdb\u884c\u5904\u7406\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u6d41\u5f0f\u5904\u7406\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u56fe\u50cf\u7684\u884c\u7f13\u5b58\u5904\u7406\u3002\u53cc\u7aef\u53e3 RAM \u76f8\u8f83\u4e8e FIFO \uff0c\u6709\u53ef\u4ee5\u6620\u5c04\u5730\u5740\u4ee5\u53ca\u591a\u6b21\u91cd\u590d\u5229\u7528\u6570\u636e\u7684\u4f18\u52bf\u3002\u5728\u65b0\u7684\u6570\u636e\u5199\u5165\u4e4b\u524d\uff0c\u53ef\u4ee5\u591a\u6b21\u4ece\u4e00\u6307\u5b9a\u4f4d\u7f6e\u8bfb\u53d6\u65e7\u6570\u636e\u3002\u53cc\u7aef\u53e3 RAM \u53c8\u53ef\u4ee5\u5206\u4e3a Simple\/Ture \u53cc\u7aef\u53e3<\/p>\n\n\n\n \u5bf9\u4e8e\u4e00\u4e2a RAM \u7684\u8bfb\u5199\u65f6\u5e8f\u6765\u8bf4\uff0c\u5199\u5165\u65f6\uff0c\u5199\u4f7f\u80fd\u6709\u6548\uff0c\u5199\u5165 din \u7aef\u53e3\u4e0a\u7684\u6570\u636e\u5230 addr \u7aef\u53e3\u5730\u5740\u4e2d\u3002\u8bfb\u53d6\u65f6\uff0c\u76f4\u63a5\u4ece dout \u7aef\u53e3\u4e0a\u83b7\u5f97\u8f93\u51fa addr \u5730\u5740\u4e0a\u7684\u6570\u636e\u3002\u90a3\u4e48\u5f53\u5199\u4f7f\u80fd\u6709\u6548\u65f6\uff0c\u7528\u6237\u540c\u65f6\u8fdb\u884c\u8bfb\u53d6\u64cd\u4f5c\uff0c\u8bfb\u53d6\u5230\u65b0\u6570\u636e\u8fd8\u662f\u65e7\u6570\u636e\u3002\u8fd9\u53d6\u51b3\u4e8e RAM \u7684\u5de5\u4f5c\u6a21\u5f0f\u3002<\/p>\n\n\n\n \u5de5\u4f5c\u6a21\u5f0f\u5206\u4e3a\u4e09\u7c7b\uff1a\u5199\u4f18\u5148\uff0c\u8bfb\u4f18\u5148\u4ee5\u53ca no change\u3002<\/p>\n\n\n\n \u5199\u4f18\u5148\uff0c\u5728\u8bfb\u5199\u65f6\u949f\u5f02\u6b65\u7684\u60c5\u51b5\u4e0b\uff0c\u63a8\u8350\u4f7f\u7528\u3002\u8be5\u6a21\u5f0f\u4f1a\u4fdd\u8bc1\u5199\u64cd\u4f5c\u4f18\u5148\u53d1\u751f\u3002<\/p>\n\n\n\n \u8bfb\u4f18\u5148\uff0c\u8be5\u6a21\u5f0f\u4ee5\u6d88\u8017\u66f4\u591a BRAM \u8d44\u6e90\u7684\u524d\u63d0\u4e0b\uff0c\u4fdd\u8bc1\u6bcf\u6b21\u8bfb\u64cd\u4f5c\u8bfb\u53d6\u5230\u7684\u90fd\u662f\u5148\u524d\u7684\u6570\u636e\u3002\u8f93\u5165\u6570\u636e\u4f1a\u9996\u5148\u88ab\u7f13\u5b58\uff0c\u4e0e\u6b64\u540c\u65f6\u5728\u8f93\u51fa\u603b\u7ebf\u4e0a\u8f93\u51fa\u5148\u524d\u503c\uff0c\u4e00\u4e2a\u5468\u671f\u7684\u5ef6\u8fdf\u4e4b\u540e\uff0c\u518d\u8f93\u51fa\u8f93\u5165\u6570\u636e\u3002<\/p>\n\n\n\n \u5199\u5165\u671f\u95f4\u6570\u636e\u4e0d\u53d8\uff0c\u8be5\u6a21\u5f0f\u5f88\u201c\u4f5b\u6027\u201d\uff0c\u5728\u5199\u5165\u671f\u95f4\u6570\u636e\u4e0d\u53d8\uff0c\u5bf9\u8bfb\u5199\u51b2\u7a81\u4e0d\u95fb\u4e0d\u95ee\uff0c\u4f46\u4f18\u70b9\u5728\u4e8e\u8282\u7ea6 BRAM \u529f\u8017\u3002<\/p>\n\n\n\n \u53e6\u5916\u91cd\u8981\u7684\u4e00\u70b9\u662f\u914d\u7f6e RAM \u7684\u8f93\u51fa\u5bc4\u5b58\u5668\u3002\u5171\u6709\u4e24\u4e2a\u9009\u9879 Primitive \/ Core Output Register\u3002\u4e24\u4e2a\u9009\u9879\u53ef\u4ee5\u5404\u81ea\u9009\u62e9\uff0c\u90fd\u662f\u4e3a\u8f93\u51fa\u7aef\u6dfb\u52a0\u4e00\u7ea7\u5bc4\u5b58\u5668\uff0c\u4e0d\u540c\u5728\u4e8e\u524d\u8005\u5728 Port \u5185\u90e8\u6dfb\u52a0\u5bc4\u5b58\u5668\uff0c\u800c\u540e\u8005\u662f\u5728 Port \u5916\u90e8\u6dfb\u52a0\u5bc4\u5b58\u5668\u3002\u81ea\u7136\u800c\u7136\uff0c\u6bcf\u4e00\u7ea7\u7684\u5bc4\u5b58\u5668\u90fd\u4f1a\u589e\u52a0\u4e00\u4e2a\u5468\u671f\u7684\u8bfb\u5ef6\u8fdf\uff0c\u4ece\u521d\u59cb\u7684 1 \u5468\u671f\u8bfb\u5ef6\u8fdf\uff0c\u6700\u9ad8\u53ef\u4ee5\u589e\u52a0\u5230 3 \u5468\u671f\u8bfb\u5ef6\u8fdf\u3002<\/p>\n\n\n\n \u6dfb\u52a0\u5bc4\u5b58\u5668\u867d\u7136\u4f1a\u589e\u52a0\u5ef6\u8fdf\u5468\u671f\u6570\uff0c\u56e0\u4e3a\u8f93\u51fa\u4fe1\u53f7\u7ecf\u8fc7\u4e86\u6253\u62cd\uff0c\u4f46\u53ef\u4ee5\u51cf\u5c11\u65f6\u949f\u5230\u6570\u636e\u65f6\u95f4\uff08\u5373\u4ece\u65f6\u949f\u4e0a\u5347\u6cbf\u5f00\u59cb\uff0c\u76f4\u5230\u6570\u636e\u51fa\u73b0\u5728\u8f93\u51fa\u7aef\u53e3\u4e0a\u7684\u65f6\u95f4\uff09\uff0c\u6539\u5584\u65f6\u5e8f\u3002<\/p>\n\n\n\n \u5bf9\u4e8e\u5355\u7aef\u53e3\uff0c\u53ea\u6709\u4e00\u4e2a\u5730\u5740addra\uff0c\u5f53wea=1\u65f6\uff0c\u7528\u4e8e\u5199\u6570\u636e\u5730\u5740\uff0c\u5f53wea==0\u65f6\u7528\u4e8e\u8bfb\u5730\u5740\u3002<\/p>\n\n\n\n \u9996\u5148\uff0c\u6211\u4eec\u89c2\u5bdf RAM \u7684\u8bfb\u5ef6\u8fdf\u3002<\/p>\n\n\n\n \u5c06\u4f7f\u80fd\u7aef ena \u7f6e\u9ad8\uff0c\u901a\u8fc7\u7f6e\u9ad8\u5199\u4f7f\u80fd\u4fe1\u53f7 wea \u4e00\u4e2a\u5468\u671f\uff0c\u5728\u65f6\u949f\u4e0a\u5347\u6cbf\u5b8c\u6210\u4e00\u6b21\u5199\u5165\u64cd\u4f5c\u3002\u53ef\u4ee5\u89c2\u5bdf\u5230\uff0c\u5730\u5740\u603b\u7ebf\u5199\u5165 0x1\uff0c\u5728\u65f6\u949f\u4e0a\u5347\u6cbf\u5230\u6765\u4e4b\u524d\u51c6\u5907\u597d\u4e86\u4f7f\u80fd\u4fe1\u53f7\u548c\u5730\u5740\u4fe1\u53f7\u3002\u65f6\u949f\u6cbf\u4e0a\u5347\u6cbf\u5230\u6765\u540e\uff0c\u5b8c\u6210\u4e00\u6b21\u5199\u5165\u64cd\u4f5c\u3002<\/p>\n\n\n\n \u5728\u5b8c\u6210\u4e86\u5bf9\u5730\u5740 0x01 \u7684\u5199\u5165\u540e\uff0c\u5c31\u53ef\u4ee5\u901a\u8fc7\u8bfb\u53d6\u5730\u5740 0x01 \u6765\u89c2\u5bdf BRAM \u7684\u8bfb\u5ef6\u8fdf\u4e86\u3002<\/p>\n\n\n\n \u8fd9\u5f20\u4eff\u771f\u56fe\u4e2d\uff0c\u8bfb\u53d6\u5730\u5740\u4e3a 0x01\uff0c\u53ef\u4ee5\u89c2\u5bdf\u5230\u5728\u65f6\u949f\u4e0a\u5347\u6cbf\u5230\u6765\u540e\uff0c\u7ecf\u8fc7\u4e86 100ps \u7684\u5ef6\u8fdf\u4e4b\u540e\uff0c0x01 \u5730\u5740\u4e0a\u7684\u6570\u636e 0xbbbb \u51fa\u73b0\u5728 dout \u4e0a\u3002<\/p>\n\n\n\n \u8fd9 100ps \u7684\u5ef6\u8fdf\u610f\u5473\uff0c\u5982\u679c\u7528\u6237\u903b\u8f91\u5728\u5c06\u5730\u5740\u51c6\u5907\u597d\u540e\u4e4b\u540e\u7684\u7b2c\u4e00\u4e2a\u4e0a\u5347\u6cbf\u8bfb\u53d6\u6570\u636e\uff0c\u90a3\u4e48\u8bfb\u53d6\u5230\u7684\u6570\u636e\u5c31\u662f\u9519\u8bef\u7684\uff0c\u5fc5\u987b\u7b49\u5f85\u4e0b\u4e00\u4e2a\u65f6\u949f\u4e0a\u5347\u6cbf\u624d\u80fd\u591f\u8fdb\u884c\u8bfb\u53d6\u3002\u4ece\u4e0b\u56fe\u624b\u518c\u4e2d\u7684\u65f6\u5e8f\u8bf4\u660e\u4e5f\u53ef\u4ee5\u770b\u5230\u8fd9\u4e2a\u5ef6\u8fdf\u3002<\/p>\n\n\n\n ena \u4f7f\u80fd\u7aef\u4e3a\u4f4e\u65f6\uff0c\u4f1a\u5931\u80fd RAM \u7684\u8bfb\u5199\u64cd\u4f5c\u3002<\/p>\n\n\n\n ena \u4fe1\u53f7\u7f6e\u4f4e\u4e4b\u524d\uff0c\u5199\u64cd\u4f5c\u5b8c\u6210\uff0c\u4f46\u8bfb\u64cd\u4f5c\u88ab\u5931\u80fd\u3002<\/p>\n\n\n\n \u5728\u5355\u7aef\u53e3 RAM \u4e2d\uff0c\u901a\u5e38\u7684\u5e94\u7528\u53ef\u80fd\u662f\uff0c\u5148\u8fdb\u884c\u4e00\u7cfb\u5217\u5199\u5165\uff0c\u518d\u8fdb\u884c\u4e00\u7cfb\u5217\u8bfb\u53d6\uff0c\u5faa\u73af\u53cd\u590d\u3002\u4f46\u4e5f\u53ef\u4ee5\u5bf9\u4e00\u4e2a\u5730\u5740\uff0c\u5199\u5165\uff0c\u8bfb\u53d6\uff0c\u5730\u5740\u9012\u589e\uff0c\u518d\u5faa\u73af\u53cd\u590d\u3002\u8fd9\u6837\u7684\u64cd\u4f5c\u7c7b\u4f3c FIFO\uff0c\u610f\u4e49\u4e0d\u5927\u3002<\/p>\n\n\n\n \u5355\u7aef\u53e3 BRAM \u7684\u5e94\u7528\u4e3b\u8981\u7528\u4e8e\u7f13\u5b58\uff0c\u6bd4\u5982\u9700\u8981\u7f13\u5b58\u4e00\u4e9b\u6570\u636e\uff0c\u9996\u5148\u5c06\u6240\u6709\u6570\u636e\u653e\u5165 RAM \u4e2d\uff0c\u4e4b\u540e\u6839\u636e\u9700\u8981\u4ece\u4e0d\u540c\u7684\u5730\u5740\u4e2d\u53d6\u51fa\u6570\u636e\u8fdb\u884c\u8fd0\u7b97\u6216\u8005\u5904\u7406\u3002\u5355\u7aef\u53e3\u9002\u5408\u8bfb\u53d6\u548c\u5199\u5165\u5206\u65f6\u8fdb\u884c\u7684\u5e94\u7528\u3002\u5728\u8fd9\u7c7b\u5e94\u7528\u4e2d\uff0c\u4e0d\u4f1a\u4ea4\u9519\u8fdb\u884c\u8bfb\u53d6\u5199\u5165\u3002<\/p>\n\n\n\n \u8fde\u7eed\u7684\u5199\u5165\uff0c\u8bfb\u53d6\u64cd\u4f5c\u53ef\u4ee5\u4f7f\u7528\u53cc\u7aef\u53e3\u7684 RAM \u5b9e\u73b0\uff0c\u53cc\u7aef\u53e3 RAM \u6709\u5404\u79cd\u72ec\u7acb\u7684\u5730\u5740\u901a\u9053\u548c\u6570\u636e\u901a\u9053\uff0c\u53ef\u9009\u5404\u81ea\u72ec\u7acb\u7684\u65f6\u949f\u3002<\/p>\n\n\n\n \u53cc\u7aef\u53e3 RAM \u7684\u5e94\u7528\u5f88\u5e7f\u6cdb\uff0c\u8fd9\u91cc\u4e3e\u4e00\u4e2a\u56fe\u50cf\u5904\u7406\u4e2d\u7684\u4f8b\u5b50\u3002<\/p>\n\n\n\n \u5728\u56fe\u50cf\u5904\u7406\u4e2d\uff0c\u56fe\u50cf\u5377\u79ef\u662f\u4e00\u9879\u57fa\u672c\u7684\u64cd\u4f5c\u3002\u5377\u79ef\u64cd\u4f5c\u4e2d\uff0c\u9700\u8981\u5728\u5c06\u65b0\u6570\u636e\u7f13\u5b58\u5230 RAM \u4e2d\u7684\u540c\u65f6\uff0c\u4ece RAM \u4e2d\u53d6\u51fa\u65e7\u6570\u636e\u8fdb\u884c\u5377\u79ef\u8fd0\u7b97\u3002\u8fd9\u65f6\u5019\u8bfb\u5199\u903b\u8f91\u63a7\u5236\u662f\u5206\u5f00\uff0c\u53cc\u7aef\u53e3\u63d0\u4f9b\u4e24\u5957\u8bfb\u5199\u63a7\u5236\u63a5\u53e3\uff0c\u9002\u5408\u8fd9\u7c7b\u8bfb\u5199\u903b\u8f91\u76f8\u72ec\u7acb\u7684\u573a\u5408\u3002\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\u8bfb\u5199\u51b2\u7a81\u95ee\u9898\uff0c\u5728\u56fe\u50cf\u5377\u79ef\u64cd\u4f5c\u4e2d\uff0c\u901a\u8fc7\u5c06\u5199\u5730\u5740\u56fa\u5b9a\u4e3a\u8bfb\u5730\u5740- 0x2\uff0c\u89e3\u51b3\u51b2\u7a81\u95ee\u9898\u3002<\/p>\n\n\n\n <\/p>\n\n\n\n \u8fd9\u91cc\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u6bd4\u8f83\u4e86 no change \uff0cread first \u4ee5\u53ca write first\u5de5\u4f5c\u6a21\u5f0f\u3002<\/p>\n\n\n\n \u9996\u5148\u662f no change \u6a21\u5f0f<\/strong>\uff0c\u5728\u5199\u5165\u671f\u95f4\uff0c\u8f93\u51fa\u4fdd\u6301\u4e0d\u53d8\uff0c\u6240\u8c13 no change\u3002\u8f93\u51fa\u7aef\u53e3\u4e0a\u539f\u672c\u4e3a\u5730\u5740 0 \u7684\u6570\u636e\uff1a0xaaaa,\u5f53\u5730\u5740 1 \u548c\u5730\u5740 2 \u5f00\u59cb\u5199\u5165\u65f6\uff0c\u8f93\u51fa\u7aef\u53e3\u4fdd\u6301\u4e0d\u53d8\uff0c\u5728\u5199\u5165\u7ed3\u675f\u65f6\u523b\uff0c\u672c\u6765\u7ecf\u8fc7 1 \/2\u4e2a\u5468\u671f\u7684\u5ef6\u8fdf\uff0c\u5e94\u8be5\u8f93\u51fa\u5730\u5740 1 \/2\u4e0a\u7684\u503c\uff1a0x1111\/0x2222\uff0c\u4f46\u662f\u90fd\u6ca1\u6709\uff0c\u8f93\u51fa\u7aef\u53e3\u4fdd\u6301\u5199\u5165\u53d1\u751f\u4e4b\u524d\u7684\u5730\u5740 0 \u7684\u6570\u636e\uff1a0xaaaa\u3002<\/p>\n\n\n\n \u51e1\u662f\u5199\u5165\u671f\u95f4\uff0c\u8f93\u51fa\u4fdd\u6301\u4e0d\u53d8\u3002<\/p>\n\n\n\n \u53ea\u5728\u5199\u5165\u7ed3\u675f\u540e\uff0c\u7ecf\u8fc7 1 \u4e2a\u5468\u671f\uff0c\u8f93\u51fa\u5730\u5740 3 \u4e0a\u7684\u6570\u636e:0x3333 \u3002\u53ef\u89c1\uff0c\u8be5\u6a21\u5f0f\u7684\u7279\u70b9\u5c31\u662f\u5728\u5199\u5165\u65f6\uff0c\u4fdd\u6301\u8f93\u51fa\u7aef\u53e3\u4e0d\u53d8\uff0c\u4f46\u4f1a\u5728\u8bfb\u5199\u51b2\u7a81\u671f\u95f4\uff0c\u65e0\u6cd5\u8bfb\u5230\u5730\u5740 1 \u548c\u5730\u5740 2 \u4e0a\u7684\u6b63\u786e\u6570\u636e\uff0c\u8bfb\u5230\u7684\u90fd\u662f\u9519\u8bef\u7684\u6570\u636e 0xaaaa,\u5730\u5740 0 \u4e0a\u7684\u6570\u636e\u3002<\/p>\n\n\n\n \u63a5\u4e0b\u6765\u662f write first \u5199\u4f18\u5148\u6a21\u5f0f<\/strong>\uff0c\u53ef\u4ee5\u770b\u5230\u8be5\u6a21\u5f0f\u4e0b\uff0c\u5199\u6570\u636e\u548c\u5c06\u6570\u636e\u8f93\u51fa\u5230\u8f93\u51fa\u603b\u7ebf\u4e0a\u662f\u540c\u65f6\u8fdb\u884c\u7684\u3002\u5728\u5411\u5730\u5740 1 \u548c\u5730\u5740 2 \u5199\u5165\u6570\u636e\u7684\u540c\u65f6\uff0c\u5728\u5bf9\u5e94\u65f6\u523b\uff0c\u7ecf\u8fc7\u4e00\u4e2a\u5468\u671f\u5ef6\u8fdf\u540e\uff0c\u4ecd\u7136\u6b63\u786e\u5730\u8f93\u51fa\u4e86\u5730\u5740 1 \u548c\u5730\u5740 2 \u4e2d\uff0c\u4f46\u6ce8\u610f\uff0c\u8f93\u51fa\u7684\u662f\u521a\u5199\u5165\u7684\u65b0\u503c\u3002<\/p>\n\n\n\n \u6700\u540e\u662f read first 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\u4eceFPGA\u5b9e\u73b0\u89d2\u5ea6\u548c\u7a97\u53e3\u8fd0\u7b97\u7ed3\u679c\u800c\u8a00\uff0c\u8fb9\u754c\u590d\u5236\u662f\u6700\u4f73\u7684\u9009\u62e9\u3002\u65e2\u80fd\u4fdd\u8bc1\u8fd0\u7b97\u7ed3\u679c\uff0c\u53c8\u4fbf\u4e8e\u5728FPGA\u4e2d\u5b9e\u73b0\u3002\u8fb9\u754c\u955c\u50cf\u65b9\u6cd5\u7531\u4e8e\u955c\u50cf\u590d\u5236\u673a\u5236\u8bbe\u8ba1\u66f4\u4e3a\u590d\u6742\uff0c\u4f1a\u6d88\u8017\u66f4\u591a\u7684FPGA\u8d44\u6e90\uff0c\u56e0\u6b64\u4e0d\u4f5c\u4e3a\u9996\u9009\u3002<\/p>\n\n\n\n \u6ed1\u52a8\u7a97\u53e3\u6a21\u5757\u5728FPGA\u56fe\u50cf\u7b97\u6cd5\u5b9e\u73b0\u4e2d\u4f1a\u88ab\u7ecf\u5e38\u4f7f\u7528\uff0c\u82e5\u5c06\u5176\u8bbe\u8ba1\u6210\u4e00\u4e2a\u901a\u7528\u6a21\u5757\uff0c\u5219\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u4ee3\u7801\u7f16\u5199\u6548\u7387\u3002\u8bbe\u8ba1\u6210\u901a\u7528\u6a21\u5757\u65f6\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u51e0\u4e2a\u529f\u80fd\u7684\u5b9e\u73b0\u3002<\/p>\n\n\n\n \u5173\u4e8esigned<\/a>\u3001\u6709\u7b26\u53f7\u6570\u3001\u7b97\u6570\u5de6\u79fb\u3001\u7b97\u6570\u53f3\u79fb\u3001$signed()\u3001$unsigned()\u7684\u7406\u89e3\u3002<\/p>\n\n\n\n 1\u3001signed\u53ef\u4ee5\u548creg\u548cwire\u8054\u5408\u4f7f\u7528\uff0c\u7528\u4e8e\u5b9a\u4e49\u6709\u7b26\u53f7\u6570\u3002\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528\u8d1f\u7684\u5341\u8fdb\u5236<\/a>\u6570\u8d4b\u503c\u7ed9\u6709\u7b26\u53f7\u6570\uff0c\u5728\u7535\u8def\u4e2d\u662f\u6309\u8be5\u6570\u503c\u7684\u8865\u7801\u5f62\u5f0f\u5b58\u50a8\u7684\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n \u4f7f\u7528display\u663e\u793aa\u7684\u4e8c\u8fdb\u5236<\/a>=11111111\uff0c\u5341\u8fdb\u5236= -1\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n 2\u3001\u4f7f\u7528signed\u5b9a\u4e49\u7684\u7c7b\u578b\uff0c\u505a\u52a0\u6cd5\u6216\u4e58\u6cd5\u65f6\uff0c\u5bf9\u64cd\u4f5c\u6570\u6269\u4f4d\u5904\u7406\u65f6\u9ad8\u4f4d\u8865\u7b26\u53f7\u4f4d\uff1b\u5373\u8d1f\u6570\u88651\uff0c\u6b63\u6570\u88650\uff1b\u4e0d\u4f7f\u7528signed\u7684\u65e0\u7b26\u53f7\u7c7b\u578b\uff0c\u9ad8\u4f4d\u9ed8\u8ba4\u88650\u3002<\/p>\n\n\n\n \u5176\u4e2d\u6709\u7b26\u53f7\u8ba1\u7b97\u65f6\uff0c\u5728\u7535\u8def\u4e2da=1111_1111\uff0cb=0000_0010\uff1bsum1\u6bd4a\u548cb\u591a1bit\uff0c\u5728\u52a0\u6cd5\u7ed3\u6784\u4e2da\u6269\u4f4d\u4e3a1_1111_1111\uff0cb\u6269\u4f4d\u4e3a0_0000_0010\uff0c\u76f8\u52a0\u4e3a10_0000_0001\uff0c\u4fdd\u75599bit\u540esum1=1=0_0000_0001\u3002 3\u3001 4\u3001\u7b97\u6570\u53f3\u79fb>>>\u548c\u903b\u8f91\u53f3\u79fb\u3002 x=12’b1000110 x[0] \u662f\u6700\u4f4e\u4f4d\uff0c\u548cpython\u76f8\u53cd<\/p>\n\n\n\n\n\n\n\n \u6fc0\u6d3b\u51fd\u6570\u662f\u4e3a\u4e86\u5b9e\u73b0\u591a\u5c42\u795e\u7ecf\u7f51\u7edc\u800c\u5f15\u5165\u7684\u975e\u7ebf\u6027\u51fd\u6570\uff0c\u800c\u4e0d\u662f\u6700\u7ec8\u5f97\u5230\u7ebf\u6027\u51fd\u6570\u3002<\/p>\n\n\n\n \u6ce8\u610f\uff1a\u7531\u4e8e RELU \u51fd\u6570\u7684\u8f93\u51fa\u6839\u636e\u8f93\u5165\u7684\u7b26\u53f7\u800c\u6709\u6240\u4e0d\u540c\uff0c\u56e0\u6b64\u53ea\u6709\u5f53\u6211\u4eec\u5f00\u59cb\u4f7f\u7528\u6709\u7b26\u53f7\u6570\u5b57\u800c\u4e0d\u4ec5\u4ec5\u662f\u6574\u6570\u65f6\uff0c\u5b83\u624d\u80fd\u5728\u786c\u4ef6\u4e2d\u5b9e\u73b0\u3002\u7136\u800c\uff0c\u6b63\u8d1f\u7684\u6982\u5ff5\u53ea\u662f\u8f6f\u4ef6\u5c42\u9762\u7684\u4e00\u4e2a\u6570\u5b66\u6982\u5ff5\u3002\u5728\u786c\u4ef6\u4e2d\uff0c\u6ca1\u6709\u8d1f\u6570\u8fd9\u6837\u7684\u4e1c\u897f\u3002\u4e00\u5207\u90fd\u53ea\u662f\u4e00\u5b9a\u4f4d\u6570\u7684\u5bc4\u5b58\u5668\uff08\u5728\u6211\u4eec\u7684\u4f8b\u5b50\u4e2d\u662f 32 \u4f4d\uff09\u3002\u4f46\u662f\uff0c\u6709\u7b26\u53f7\u4e8c\u8fdb\u5236\u8868\u793a\u7b49\u6982\u5ff5\u5141\u8bb8\u6211\u4eec\u5728\u786c\u4ef6\u4e2d\u5b9e\u73b0\u6b63\u6570\u548c\u8d1f\u6570\u7684\u6982\u5ff5\u3002\u5f53\u7136\uff0c\u5728\u5b9e\u9645\u786c\u4ef6\u4e4b\u4e0a\u8fd8\u9700\u8981\u53e6\u4e00\u5c42\uff0c\u4ee5\u4fbf\u89e3\u91ca\u8fd9\u4e9b\u6570\u5b57\u7684\u7b26\u53f7\u5e76\u6839\u636e\u9700\u8981\u4f7f\u7528\u5b83\u4eec\u3002<\/p>\n\n\n\n https:\/\/blog.csdn.net\/kebu12345678\/article\/details\/81673111<\/a><\/p>\n\n\n\n1\u3001\u7f51\u7edc\u7ed3\u6784\u5206\u6790\uff1a<\/h2>\n\n\n\n
![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-67-406x1024.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/yolov3-tiny-497x1024.jpg\")
![\"preview\"\/](\"https:\/\/pic3.zhimg.com\/v2-c67c5dab624da0904b34b2cb674ed6d2_r.jpg\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/pic2.zhimg.com\/v2-d40e48b85e19b2d16c86eee901870755_r.jpg\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/pic2.zhimg.com\/v2-8e2add9b9d3422019dfec3048e66e1a9_r.jpg\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-66.png\")
<\/figure>\n\n\n\n conv_0_param={.kernel_dim=3,\n .pad=1,\n .input_channel=3,\n .input_width=418,\n .input_height=418,\n .output_channel=16,\n .output_width=416,\n .output_height=416};<\/code><\/pre>\n\n\n\nconv_1_param={.kernel_dim=3,\n .pad=1,\n .input_channel=16,\n .input_width=210,\n .input_height=210,\n .output_channel=32,\n .output_width=208,\n .output_height=208};<\/code><\/pre>\n\n\n\nconv_2_param={.kernel_dim=3,\n .pad=1,\n .input_channel=32,\n .input_width=106,\n .input_height=106,\n .output_channel=64,\n .output_width=104,\n .output_height=104};<\/code><\/pre>\n\n\n\nconv_3_param={.kernel_dim=3,\n .pad=1,\n .input_channel=64,\n .input_width=54,\n .input_height=54,\n .output_channel=128,\n .output_width=52,\n .output_height=52};\n<\/code><\/pre>\n\n\n\nconv_4_param={.kernel_dim=3,\n .pad=1,\n .input_channel=128,\n .input_width=28,\n .input_height=28,\n .output_channel=256,\n .output_width=26,\n .output_height=26};<\/code><\/pre>\n\n\n\nwight= [448,4608,36,18432,64,73728,128,294912,256,1179648,512,4718592,1024,262144,256,1179648 ,512,130560,255,32768,128,305280,256,65280,255]\n<\/code><\/pre>\n\n\n\nout\uff1a [ 519168,2768896,1384448, 692224,346112,173056,86528,173056,43264,86528,43095,21632,173056,172380]<\/code><\/pre>\n\n\n\n![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-68.png\")
<\/figure>\n\n\n\n\u6570\u636e\u4f4d\u5bbd\uff1a<\/h2>\n\n\n\n
![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-60.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-62.png\")
<\/figure>\n\n\n\n\u6fc0\u6d3b\u51fd\u6570\u5b9e\u73b0\uff1a<\/h2>\n\n\n\n
\ud835\udc53\u2032(\ud835\udc65) = (\ud835\udc65 < 0)? (\ud835\udc65 \u2217 0xccc) \u226b 15: \ud835\udc65 <\/p>\n\n\n\n\u5408\u5e76 Batch Normalisation<\/h2>\n\n\n\n
![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-65.png\")
<\/figure><\/div>\n\n\n\n\u4e8c\u7ef4\u5377\u79ef\uff1a<\/strong><\/h2>\n\n\n\n
\u6fc0\u6d3b\u51fd\u6570<\/h2>\n\n\n\n
\u6c60\u5316\u51fd\u6570<\/h2>\n\n\n\n
upsaming \u4e0a\u91c7\u6837\uff1a<\/h2>\n\n\n\n
torch.nn.functional.upsample<\/code> <\/p>\n\n\n\nnearest \u91c7\u6837<\/pre>\n\n\n\n
![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-69.png\")
<\/figure>\n\n\n\nimport torch\nfrom torch import nn\ninput = torch.arange(1, 5, dtype=torch.float32).view(1, 1, 2, 2)\ninput\n\n\ntensor([[[[1., 2.],\n [3., 4.]]]])\n \n\nm = nn.Upsample(scale_factor=2, mode='nearest')\nm(input)\n\u8fd4\u56de\uff1a\n\ntensor([[[[1., 1., 2., 2.],\n [1., 1., 2., 2.],\n [3., 3., 4., 4.],\n [3., 3., 4., 4.]]]])\n\n<\/code><\/pre>\n\n\n\n\u6700\u90bb\u8fd1\u63d2\u503c\u7b97\u6cd5<\/h3>\n\n\n\n
\u7d2f\u52a0\u5c42accumulate\uff1a<\/h3>\n\n\n\n
![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-70.png\")
<\/figure>\n\n\n\nyolo\u8f93\u51fa\u5c42<\/h2>\n\n\n\n
![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-77.png\")
<\/figure><\/div>\n\n\n\n![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-81.png\")
<\/figure><\/div>\n\n\n\n![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-79-1024x232.png\")
<\/figure>\n\n\n\n
\u89e3\u7b54\uff1aYOLO3\u4e3a\u6bcf\u79cdFPN\u9884\u6d4b\u7279\u5f81\u56fe\uff0813*13,26*26,52*52\uff09\u8bbe\u5b9a3\u79cdanchor box\uff0c\u603b\u5171\u805a\u7c7b\u51fa9\u79cd\u5c3a\u5bf8\u7684anchor box\u3002\u5728COCO\u6570\u636e\u96c6\u8fd99\u4e2aanchor box\u662f\uff1a(10×13)\uff0c(16×30)\uff0c(33×23)\uff0c(30×61)\uff0c(62×45)\uff0c(59×119)\uff0c(116×90)\uff0c(156×198)\uff0c(373×326)\u3002\u5206\u914d\u4e0a\uff0c\u5728\u6700\u5c0f\u768413*13\u7279\u5f81\u56fe\u4e0a\u7531\u4e8e\u5176\u611f\u53d7\u91ce\u6700\u5927\u6545\u5e94\u7528\u6700\u5927\u7684anchor box (116×90)\uff0c(156×198)\uff0c(373×326)\uff0c\uff08\u8fd9\u51e0\u4e2a\u5750\u6807\u662f\u9488\u5bf9416*416\u4e0b\u7684\uff0c\u5f53\u7136\u8981\u9664\u4ee532\u628a\u5c3a\u5ea6\u7f29\u653e\u523013*13\u4e0b\uff09\uff0c\u9002\u5408\u68c0\u6d4b\u8f83\u5927\u7684\u76ee\u6807\u3002\u4e2d\u7b49\u768426*26\u7279\u5f81\u56fe\u4e0a\u7531\u4e8e\u5176\u5177\u6709\u4e2d\u7b49\u611f\u53d7\u91ce\u6545\u5e94\u7528\u4e2d\u7b49\u7684anchor box (30×61)\uff0c(62×45)\uff0c(59×119)\uff0c\u9002\u5408\u68c0\u6d4b\u4e2d\u7b49\u5927\u5c0f\u7684\u76ee\u6807\u3002\u8f83\u5927\u768452*52\u7279\u5f81\u56fe\u4e0a\u7531\u4e8e\u5176\u5177\u6709\u8f83\u5c0f\u7684\u611f\u53d7\u91ce\u6545\u5e94\u7528\u6700\u5c0f\u7684anchor box(10×13)\uff0c(16×30)\uff0c(33×23)\uff0c\u9002\u5408\u68c0\u6d4b\u8f83\u5c0f\u7684\u76ee\u6807\u3002\u540cFaster-Rcnn\u4e00\u6837\uff0c\u7279\u5f81\u56fe\u7684\u6bcf\u4e2a\u50cf\u7d20\uff08\u5373\u6bcf\u4e2agrid\uff09\u90fd\u4f1a\u6709\u5bf9\u5e94\u7684\u4e09\u4e2aanchor box\uff0c\u598213*13\u7279\u5f81\u56fe\u7684\u6bcf\u4e2agrid\u90fd\u6709\u4e09\u4e2aanchor box (116×90)\uff0c(156×198)\uff0c(373×326)\uff08\u8fd9\u51e0\u4e2a\u5750\u6807\u9700\u9664\u4ee532\u7f29\u653e\u5c3a\u5bf8\uff09\u3002<\/p>\n\n\n\n![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-82.png\")
<\/figure>\n\n\n\n\u5377\u79ef\uff1a<\/h2>\n\n\n\n
NxN<\/code>\uff0c\u6211\u4eec\u7684\u5185\u6838\uff08\u8fc7\u6ee4\u5668\/\u7a97\u53e3\uff09\u662f\u7ef4\u5ea6KxK<\/code>\u3002\u663e\u7136\u53ef\u4ee5\u7406\u89e3\uff0c\u5373K < N<\/code>.<\/li>s<\/code>\u8868\u793a\u7a97\u53e3\u5728\u7279\u5f81\u56fe\u4e0a\u79fb\u52a8\u7684\u6b65\u5e45\u503c\u3002<\/li>valid_conv<\/code>\u548cend_conv<\/code>\u4fe1\u53f7\uff0c\u5b83\u4eec\u544a\u8bc9\u5916\u754c\u8fd9\u4e2a\u5377\u79ef\u5668\u6a21\u5757\u7684\u8f93\u51fa\u662f\u5426\u6709\u6548\u3002\u4f46\u662f\u4e3a\u4ec0\u4e48\u5377\u79ef\u5668\u9996\u5148\u4f1a\u4ea7\u751f\u65e0\u6548\u7684\u7ed3\u679c\u5462\uff1f\u7a97\u53e3\u5728\u8f93\u5165\u7684\u7279\u5b9a\u884c\u4e0a\u5b8c\u6210\u79fb\u52a8\u540e\uff0c\u5b83\u4f1a\u7ee7\u7eed\u73af\u7ed5\u5230\u4e0b\u4e00\u884c\uff0c\u4ece\u800c\u521b\u5efa\u65e0\u6548\u8f93\u51fa\u3002\u53ef\u4ee5\u907f\u514d\u5728\u73af\u7ed5\u671f\u95f4\u8fdb\u884c\u8ba1\u7b97\uff0c\u4f46\u8fd9\u9700\u8981\u6211\u4eec\u505c\u6b62\u6d41\u6c34\u7ebf\uff0c\u8fd9\u8fdd\u53cd\u4e86\u6211\u4eec\u7684\u6d41\u5f0f\u8bbe\u8ba1\u539f\u5219\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u53ea\u662f\u5728\u4fe1\u53f7\u7684\u5e2e\u52a9\u4e0b\u4e22\u5f03\u6211\u4eec\u8ba4\u4e3a\u65e0\u6548\u7684\u8f93\u51favalid conv<\/code>\u3002<\/li><\/ul>\n\n\n\n![\"\u5377\u79ef\u52a8\u753b\"\/](\"https:\/\/thedatabus.io\/static\/convolver-c77524c06470fc0f38cc9cbeb59a6e5a.gif\")
<\/figure>\n\n\n\nimport numpy as np \nfrom scipy import signal\n\nksize = 3 \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t#ksize x ksize convolution kernel\nim_size = 4 \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t#im_size x im_size input activation map\n\ndef strideConv(arr, arr2, s): \t\t\t\t\t\t\t\t\t\t\t #the function that performs the 2D convolution\n return signal.convolve2d(arr, arr2[::-1, ::-1], mode='valid')[::s, ::s]\n\nkernel = np.arange(0,ksize*ksize,1).reshape((ksize,ksize)) #the kernel is a matrix of increasing numbers\nact_map = np.arange(0,im_size*im_size,1).reshape((im_size,im_size)) #the activation map is a matrix of increasin numbers\n\nconv = strideConv(act_map,kernel,1)\nprint(kernel)\nprint(act_map)\nprint(conv) <\/code><\/pre>\n\n\n\n![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-71.png\")
<\/figure>\n\n\n\nmodule mac_manual #(\n\tparameter N = 16,\n parameter Q = 12\n )(\n input clk,sclr,ce,\n input [N-1:0] a,\n input [N-1:0] b,\n input [N-1:0] c,\n output reg [N-1:0] p\n );\n\nalways@<\/strong>(posedge clk,posedge sclr)\n begin\n if(sclr)\n begin\n p<=0;\n end\n else if(ce)\n begin\n p <= (a*b+c); \/\/performs the multiply accumulate operation\n end\n end\nendmodule\n\n\n\u5377\u79ef\u4e2d\u7684\u504f\u7f6e\uff1a\n<\/code><\/pre>\n\n\n\n![\"preview\"\/](\"https:\/\/pic2.zhimg.com\/v2-89feb22fbdb50d910575ebce8b59cf59_r.jpg\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/06\/image-18-1024x839.png\")
<\/figure>\n\n\n\n\u5b9a\u70b9\u8868\u793a\uff1a<\/h2>\n\n\n\n
![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-73-1024x524.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/03\/image-72.png\")
<\/figure><\/div>\n\n\n\n\n\n\n\n
\n\n\n\nAcc\u7d2f\u52a0\u6a21\u5757<\/h2>\n\n\n\n
wire outconv [0:N*k*k-1];\nreg [16:0] presum;\nwire [16:0] cout;\ngenerate\n\tgenvar l;\n\tfor(l=0;l<k*k;l=l+1)\n\tbegin\n convolver #(9'h004,9'h003,1) uut (\n\t\t.clk(clk), \n\t\t.ce(ce), \n\t\t.weight1(weight1), \n\t\t.global_rst(global_rst), \n\t\t.activation(activation), \n\t\t.conv_op(outconv[N*l +: N]), \n\t\t.end_conv(end_conv), \n\t\t.valid_conv(valid_conv)\n\t);\n fadd ui(.a(outconv[N*l +: N]), \/\/this i of ui won't be replaced\n .b(mid),\n .cout(cout),\n );\t\t\n\tend\t\nassign mid = cout;\nendgenerate\n\nmodule fadd( \n input [15:0] a, [15:0] b;\n output [16:0] cout);\n assign cout = a+b; \n<\/code><\/pre>\n\n\n\n![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/04\/_20220409175243-1-e1649498064148-1024x768.jpg\")
<\/figure>\n\n\n\n\n\n\n\nFIFO\u5b66\u4e60\uff1a<\/h1>\n\n\n\n\n\n
\u4e00\u3001FIFO\u7b80\u4ecb<\/h2>\n\n\n\n
module tb_fifo_top;\n\n \/\/inputs \n reg clk;\n reg rst;\n reg [7:0] din;\n reg wr_en;\n reg rd_en;\n\n \/\/outputs \n wire [7:0] dout;\n wire full;\n wire almost_full;\n wire empty;\n wire almost_empty;\n wire [3:0] data_count;\n wire prog_full;\n wire prog_empty;\n\n \/\/ Instantiate the Unit Under Test (UUT) \n fifo_top uut (\n .clk(clk),\n .rst(rst),\n .din(din),\n .wr_en(wr_en),\n .rd_en(rd_en),\n .dout(dout),\n .full(full),\n .almost_full(almost_full),\n .empty(empty),\n .almost_empty(almost_empty),\n .data_count(data_count),\n .prog_full(prog_full),\n .prog_empty(prog_empty) );\n\n initial begin\n \/\/ Initialize Inputs \n clk = 0;\n rst = 0;\n din = 0;\n wr_en = 0;\n rd_en = 0;\n\n \/\/ Wait 100 ns for global reset to finish \n #100; \n\n \/\/ Add stimulus here \n\n end\n always #10 clk = ~clk ;\n\nendmodule<\/code><\/pre>\n\n\n\n![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/04\/image-2-1024x535.png\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/pic1.zhimg.com\/v2-4c2a23f06e2b54fc92bce2d2c65a7420_r.jpg\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/pic4.zhimg.com\/v2-b28ef702d0a107d76a4ac05524fd8fc7_r.jpg\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/pic3.zhimg.com\/v2-f4db41443aec3bcee31fc6032ecd1662_r.jpg\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/pic1.zhimg.com\/v2-297b891e3ff167f63c863c27452bb7c4_r.jpg\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/pic3.zhimg.com\/v2-b51ed8be4f128385e416ab849a39e9be_r.jpg\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/pic3.zhimg.com\/v2-66db06f4e8e26f3402ee38d04b618aa2_r.jpg\")
<\/figure>\n\n\n\nBRAM \u5b66\u4e60 <\/h2>\n\n\n\n\n\n
1\u3001BRAM<\/h2>\n\n\n\n
vivado IP\u6838<\/h2>\n\n\n\n
Native \u63a5\u53e3<\/h3>\n\n\n\n
\u8bfb\u5199\u5730\u5740\u4e0e\u6570\u636e
\u5199\u4f7f\u80fd\u4e0e RAM \u4f7f\u80fd<\/p>\n\n\n\n
\u590d\u4f4d\u4fe1\u53f7\u662f\u53ef\u9009\u7684\u3002<\/p>\n\n\n\n![\"\"\/](\"https:\/\/pic4.zhimg.com\/v2-bef57a630e35a9c21acac609e732a5a7_r.jpg\")
<\/figure>\n\n\n\nMemory \u7c7b\u578b<\/h3>\n\n\n\n
\u8bfb\u5199\u51b2\u7a81\u907f\u514d<\/h3>\n\n\n\n
<\/figure>\n\n\n\n\u5f00\u59cb\u4eff\u771f<\/h3>\n\n\n\n
![\"\"\/](\"https:\/\/pic3.zhimg.com\/80\/v2-bdce080e0a8250e56077e221c617d13e_1440w.jpg\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/pic2.zhimg.com\/v2-4dd23995c4a4ba1345b76b8ba7c8273d_r.jpg\")
![\"\"\/](\"https:\/\/pic3.zhimg.com\/v2-3515eabb0ec1bcf3355fa4d763c63c52_r.jpg\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/pic3.zhimg.com\/v2-568d116ac307101847d54c28f2ec069e_r.jpg\")
![\"\"\/](\"https:\/\/pic3.zhimg.com\/v2-145fa82503279aedf2d07df599ce019a_r.jpg\")
<\/figure>\n\n\n\n\u53cc\u7aef\u53e3RAM<\/h3>\n\n\n\n
\u53cc\u7aef\u53e3\u5de5\u4f5c\u6a21\u5f0f<\/h3>\n\n\n\n
![\"\"\/](\"https:\/\/pic4.zhimg.com\/v2-041e1e7ae4d57d8540d01d65a9a4255f_r.jpg\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/pic3.zhimg.com\/v2-ead2b2474949159e1a2d2cb1a00be0c6_r.jpg\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/pic3.zhimg.com\/v2-b536a08f0dc97da1d719f2e656a502d6_r.jpg\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/pic1.zhimg.com\/v2-8fe7455af9f036550c445454e816b530_r.jpg\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/pic3.zhimg.com\/v2-098f2e047bff62f180297dccedb78126_r.jpg\")
![\"\"\/](\"https:\/\/pic2.zhimg.com\/v2-39ab558758c9ba0a69a9f2f5410f700d_r.jpg\")
<\/figure>\n\n\n\n
\n\n\n\n\n\n\n\n\u5377\u79ef\u3001\u7a97\u53e3\u8fd0\u7b97\u4e4b\u6ed1\u52a8\u7a97\u53e3\u6a21\u5757\u8bbe\u8ba1<\/h1>\n\n\n\n\n\n
\u56fe\u50cf\u884c\u7f13\u5b58\u673a\u5236<\/strong> <\/h2>\n\n\n\n
![\"\"\/](\"https:\/\/img-blog.csdnimg.cn\/20200811125344367.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L01taWtlclI=,size_16,color_FFFFFF,t_70\")
<\/figure>\n\n\n\n![\"\"\/](\"https:\/\/img-blog.csdnimg.cn\/20200811125434566.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L01taWtlclI=,size_16,color_FFFFFF,t_70\")
<\/figure>\n\n\n\n\u884c\u3001\u573a\u7b49\u540c\u6b65\u4fe1\u53f7\u7684\u5ef6\u8fdf<\/strong><\/h2>\n\n\n\n
\u56fe\u50cf\u8fb9\u754c\u7684\u6269\u5c55<\/strong><\/h2>\n\n\n\n
\u8fb9\u754c\u6269\u5c55\u539f\u7406<\/strong><\/h3>\n\n\n\n
![\"\"](\"https:\/\/img-blog.csdnimg.cn\/20200811125626216.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L01taWtlclI=,size_16,color_FFFFFF,t_70\")
<\/figure><\/div>\n\n\n\n![\"\"](\"https:\/\/img-blog.csdnimg.cn\/20200811125648407.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L01taWtlclI=,size_16,color_FFFFFF,t_70\")
<\/figure><\/div>\n\n\n\nVerilog\u5173\u4e8esigned\u3001\u6709\u7b26\u53f7\u6570\u3001\u7b97\u6570\u79fb\u4f4d\u3001$signed()\u7684\u4f7f\u7528<\/h2>\n\n\n\n
wire signed a;\nassign a = -8'd1;\n<\/code><\/pre>\n\n\n\n$display(\"signed a =%b=%d\",a,a);\t\t \/\/signed a =11111111= -1\n<\/code><\/pre>\n\n\n\nreg signed [7:0]a,b;\nwire signed [8:0]sum1;\nreg [7:0] c,d;\nwire [8:0]sum2;\ninitial\nbegin \n a = -8'd1;\n b = 8'd2;\n c = 8'b1000_0001;\n d = 8'b0000_0010;\nend\nassign sum1 = a+b;\nassign sum2 = a+b;\n<\/code><\/pre>\n\n\n\n
\u800c\u5728\u65e0\u7b26\u53f7\u8ba1\u7b97\u65f6\uff0cc\u548cd\u5206\u522b\u6269\u4f4d\u4e3a0_1000_0001\u548c0_0000_0010\uff0c\u76f8\u52a0\u4fdd\u75599bit\u540esum2=131=010000011\u3002
\u7efc\u5408\u540e\u7ed3\u6784\u5982\u4e0b\u56fe\uff1a![\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"](\"https:\/\/img-blog.csdnimg.cn\/20200722020639735.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3N6c2ZhdGU=,size_16,color_FFFFFF,t_70\")
\u6709\u7b26\u53f7\u6570signed\u548c\u65e0\u7b26\u53f7\u6570\u6700\u91cd\u8981\u7684\u533a\u522b\u5c31\u662f\u5982\u4f55\u6269\u4f4d\uff0c\u65e0\u7b26\u53f7\u6570\u662f\u6dfb0\uff0c\u6709\u7b26\u53f7\u6570\u65f6\u6dfb\u52a0\u7b26\u53f7\u4f4d<\/strong><\/p>\n\n\n\n$signed<\/code>\u548c$unsigned<\/code>\u3002\u9996\u5148\u660e\u786e\u8fd9\u4e24\u4e2a\u8bed\u53e5\u662f\u53ef\u7efc\u5408\u7684\u3002$signed(c)<\/code>\u662f\u4e00\u4e2afunction\uff0c\u5c06\u65e0\u7b26\u53f7\u6570c\u8f6c\u5316\u4e3a\u6709\u7b26\u53f7\u6570\u8fd4\u56de\uff0c\u4e0d\u6539\u53d8c\u7684\u7c7b\u578b\u548c\u5185\u5bb9\u3002\u63a5\u4e0a\u8ff0\u4ee3\u7801\u5386\u7a0b\uff1a$unsigned\u540c\u7406\u3002<\/p>\n\n\n\n
\u5bf9\u4e8e\u65e0\u7b26\u53f7\u6570\uff0c>>\u548c>>>\u6ca1\u6709\u533a\u522b\uff0c\u90fd\u662f\u6309\u4f4d\u53f3\u79fb\uff0c\u5de6\u4fa7\u8865\u96f6\u3002
\u6709\u7b26\u53f7\u6570\u7684\u903b\u8f91\u53f3\u79fb>>\u4e0e\u65e0\u7b26\u53f7\u6570\u4e00\u6837\uff0c\u5c06\u6240\u6709\u4f4d\u6574\u4f53\u53f3\u79fb\uff0c\u5de6\u4fa7\u8865\u96f6\u3002
\u800c\u6709\u7b26\u53f7\u6570\u7684\u7b97\u6570\u53f3\u79fb>>><\/strong>\uff0c\u5de6\u4fa7\u6269\u4f4d\u7b26\u53f7\u4f4d\uff0c\u5982\u53f3\u79fbn\u4f4d\uff0c\u5219\u5de6\u4fa7\u589e\u52a0n\u4e2a\u7b26\u53f7\u4f4d\uff0c\u53f3\u4fa7\u5220\u9664n\u4f4d\uff0c\u5373\u8fdb\u884c\u9664n\u8fd0\u7b97\u3002\u8be6\u89c1\u4e0b\u8ff0\u4ee3\u7801\uff1a<\/p>\n\n\n\nreg signed [7:0]a;\na=8'b1000_0010;\t\t\t\/\/\u5373a=-126.\na=a>>>2;\t\t\t\t\/\/a=1110_0000\t\uff0c\u5373a=-32\uff0c\u96644\u8fd0\u7b97\nb=8'b0000_1000;\t\t\t\/\/\u5373b=8\nb=b>>>1;\t\t\t\t\/\/b=0000_0100\uff0c\u5373b=4\uff0c\u96642\u8fd0\u7b97<\/code><\/pre>\n\n\n\n\u6fc0\u6d3b\u51fd\u6570 fpga\u5b9e\u73b0<\/h2>\n\n\n\n\n\n
![\"\u70ed\u9732\"](\"https:\/\/thedatabus.io\/static\/relu-dce994569b1e17e8715cd3091d5de432.png\")
\u5728 Verilog \u4e2d\u5b9e\u73b0 ReLu \u51fd\u6570<\/h3>\n\n\n\n
\/\/file: relu.v\n`timescale 1ns \/ 1ps\nmodule relu(\n input [31:0] din_relu,\n output [31:0] dout_relu\n );\n assign dout_relu = (din_relu[31] == 0)? din_relu : 0; \/\/if the sign bit is high, send zero on the output else send the input\nendmodule\n<\/code><\/pre>\n\n\n\n![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/04\/image-3-1024x148.png\")
<\/figure>\n\n\n\n \u5728 Verilog \u4e2d\u5b9e\u73b0 leakrelu\u51fd\u6570 \uff080.125\uff09<\/h3>\n\n\n\n
`timescale 1ns \/ 1ps\nmodule leakrelu(\n input signed[31:0] din_relu,\n output signed[31:0] dout_relu\n );\n parameter N = 0;\/\/\u901a\u8fc7\u53f3\u79fb\u4f4d\u5b9e\u73b0\u96642\u7684\u5e42\u64cd\u4f5c\n assign dout_relu = (din_relu[31] == 0)? din_relu:din_relu>>>N; \/\/if the sign bit is high, send zero on the output else send the input\nendmodule\n<\/code><\/pre>\n\n\n\n![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/04\/image-4-1024x157.png\")
![\"\"](\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/04\/image-5-1024x144.png\")
\u5728 Verilog \u4e2d\u5b9e\u73b0sigmod<\/h2>\n\n\n\n