{"id":99334,"date":"2026-09-02T13:25:04","date_gmt":"2026-09-02T05:25:04","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/99334.html"},"modified":"2026-09-02T13:25:04","modified_gmt":"2026-09-02T05:25:04","slug":"%e5%b8%a6%e5%ae%bd%ef%bc%9agpu-%e7%9a%84%e7%b2%ae%e9%81%93%e5%9c%a8%e5%93%aa%e9%87%8c%e5%a0%b5%e4%bd%8f%e4%ba%86%ef%bc%88%e5%8f%91%e7%83%ab%e4%bc%98%e5%8c%96%e7%b3%bb%e5%88%97-%c2%b7-%e7%ac%ac-2","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/99334.html","title":{"rendered":"\u5e26\u5bbd\uff1aGPU \u7684\u7cae\u9053\u5728\u54ea\u91cc\u5835\u4f4f\u4e86\uff08\u53d1\u70eb\u4f18\u5316\u7cfb\u5217 \u00b7 \u7b2c 2 \u7bc7\uff09"},"content":{"rendered":"<p>\u4e0a\u4e00\u7bc7\u6211\u4eec\u8bf4\u8fc7\u4e00\u4e2a\u53cd\u76f4\u89c9\u7684\u7ed3\u8bba&#xff1a;\u624b\u673a\u53d1\u70eb&#xff0c;\u70e7\u7684\u4e0d\u662f&#034;\u7b97\u529b&#034;&#xff0c;\u800c\u662f&#034;\u642c\u8fd0&#034;\u2014\u2014Arm \u5b98\u65b9\u7ed9\u51fa\u7684\u6570\u5b57\u662f DRAM \u8bbf\u95ee\u6bcf GB\/s \u8981\u4ed8 80\u2013100mW \u7684\u7535\u3002 \u8fd9\u4e00\u7bc7\u628a\u8fd9\u4e2a\u7ed3\u8bba\u7684\u7269\u7406\u57fa\u7840\u5f7b\u5e95\u8bb2\u900f&#xff1a;\u5e26\u5bbd\u5230\u5e95\u662f\u4ec0\u4e48\u3001\u4e3a\u4ec0\u4e48\u5728\u624b\u673a\u4e0a\u5982\u6b64\u91d1\u8d35\u3001\u4ee5\u53ca\u600e\u4e48\u7528 5 \u5206\u949f\u5224\u65ad\u81ea\u5df1\u7684\u6e38\u620f\u662f\u4e0d\u662f&#034;\u5e26\u5bbd\u74f6\u9888&#034;\u3002<\/p>\n<p>\u672c\u6587\u662f\u300aUnity \u6e38\u620f\u4e3a\u4ec0\u4e48\u53d1\u70eb\u300b\u7cfb\u5217\u7684\u7b2c 2 \u7bc7\u3002\u770b\u61c2\u8fd9\u4e00\u7bc7&#xff0c;\u540e\u9762\u8bb2 Overdraw\u3001\u7eb9\u7406\u538b\u7f29\u3001\u540e\u5904\u7406\u7684\u6240\u6709\u4f18\u5316\u624b\u6bb5&#xff0c;\u4f60\u90fd\u4f1a\u77e5\u9053\u5b83\u4eec&#034;\u4e3a\u4ec0\u4e48\u6709\u6548&#034;\u3002<\/p>\n<hr \/>\n<h3>\u4e00\u3001\u5148\u5206\u6e05\u4e09\u4e2a\u5929\u5929\u88ab\u6df7\u6dc6\u7684\u6982\u5ff5<\/h3>\n<p>\u5f88\u591a\u5f00\u53d1\u8005\u804a\u4f18\u5316\u65f6\u628a\u8fd9\u4e09\u4e2a\u8bcd\u6df7\u7740\u7528&#xff0c;\u5176\u5b9e\u5b83\u4eec\u8bf4\u7684\u662f\u4e09\u4ef6\u5b8c\u5168\u4e0d\u540c\u7684\u4e8b&#xff1a;<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p>\u6982\u5ff5<\/p>\n<\/td>\n<td>\n<p>\u8bf4\u7684\u662f\u4ec0\u4e48<\/p>\n<\/td>\n<td>\n<p>\u7c7b\u6bd4<\/p>\n<\/td>\n<td>\n<p>\u5e38\u89c1\u5355\u4f4d<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u5185\u5b58\u5bb9\u91cf<\/p>\n<\/td>\n<td>\n<p>\u80fd\u5b58\u591a\u5c11\u6570\u636e<\/p>\n<\/td>\n<td>\n<p>\u4ed3\u5e93\u9762\u79ef<\/p>\n<\/td>\n<td>\n<p>GB<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u5e26\u5bbd&#xff08;Bandwidth&#xff09;<\/p>\n<\/td>\n<td>\n<p>\u6bcf\u79d2\u80fd\u642c\u591a\u5c11\u6570\u636e<\/p>\n<\/td>\n<td>\n<p>\u9a6c\u8def\u6bcf\u5c0f\u65f6\u80fd\u8fc7\u591a\u5c11\u8f66<\/p>\n<\/td>\n<td>\n<p>GB\/s<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u5ef6\u8fdf&#xff08;Latency&#xff09;<\/p>\n<\/td>\n<td>\n<p>\u4e00\u6b21\u5f80\u8fd4\u8981\u591a\u4e45<\/p>\n<\/td>\n<td>\n<p>\u5355\u7a0b\u8017\u65f6<\/p>\n<\/td>\n<td>\n<p>ns<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e09\u4e2a\u6982\u5ff5\u91cc&#xff0c;&#034;\u5bb9\u91cf&#034;\u662f\u6700\u597d\u7406\u89e3\u7684&#xff0c;&#034;\u5e26\u5bbd&#034;\u662f\u6700\u5bb9\u6613\u88ab\u5ffd\u89c6\u7684\u3002\u4e70\u624b\u673a\u770b\u53c2\u6570\u90fd\u662f&#034;12GB \u5185\u5b58&#034;&#xff0c;\u6ca1\u4eba\u5ba3\u4f20&#034;\u5e26\u5bbd\u591a\u5c11 GB\/s&#034;\u2014\u2014\u4f46\u5bf9\u505a\u6e38\u620f\u7684\u4eba\u6765\u8bf4&#xff0c;\u5e26\u5bbd\u624d\u662f\u51b3\u5b9a\u5e27\u7387\u548c\u53d1\u70ed\u7684\u90a3\u6761\u547d\u8109\u3002<\/p>\n<p>\u4e00\u4e2a\u76f4\u89c2\u7684\u6570\u5b57\u5bf9\u6bd4&#xff1a;\u624b\u673a\u4e3b\u6d41\u7684 LPDDR5 \u5e26\u5bbd\u5927\u7ea6\u5728 25\u201360 GB\/s \u8fd9\u4e2a\u91cf\u7ea7&#xff0c;\u800c PC \u72ec\u7acb\u663e\u5361\u7684 GDDR6 \u663e\u5b58\u80fd\u5230\u51e0\u767e GB\/s\u3002\u624b\u673a\u5929\u751f\u6bd4 PC \u7a84\u4e00\u4e2a\u6570\u91cf\u7ea7&#xff0c;\u800c\u4f60\u7684\u6e38\u620f\u8981\u8dd1\u7684\u753b\u9762&#xff0c;\u590d\u6742\u5ea6\u53ef\u6ca1\u6709\u4f4e\u4e00\u4e2a\u6570\u91cf\u7ea7\u3002<\/p>\n<h3>\u4e8c\u3001\u4e3a\u4ec0\u4e48&#034;\u642c\u8fd0&#034;\u8fd9\u4e48\u8d35&#xff1a;\u5b58\u50a8\u5c42\u7ea7\u91d1\u5b57\u5854<\/h3>\n<p>\u8981\u7406\u89e3\u5e26\u5bbd\u4e3a\u4ec0\u4e48\u8d35&#xff0c;\u5f97\u5148\u770b\u6570\u636e\u4f4f\u5728\u54ea\u3002\u73b0\u4ee3\u82af\u7247\u7684\u5b58\u50a8\u662f\u4e00\u4e2a\u91d1\u5b57\u5854&#xff1a;<\/p>\n<p>\u91d1\u5b57\u5854\u8d8a\u5f80\u4e0a\u8d8a\u5feb\u8d8a\u5c0f&#xff0c;\u8d8a\u5f80\u4e0b\u8d8a\u5927\u8d8a\u6162\u3002\u5173\u952e\u5728\u4e8e&#xff1a;\u7f13\u5b58&#xff08;SRAM&#xff09;\u548c\u5185\u5b58&#xff08;DRAM&#xff09;\u662f\u4e24\u79cd\u5b8c\u5168\u4e0d\u540c\u7684\u7269\u7406\u5668\u4ef6&#xff1a;<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<\/td>\n<td>\n<p>DRAM<\/p>\n<\/td>\n<td>\n<p>SRAM<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u5b58\u4e00\u4e2a bit<\/p>\n<\/td>\n<td>\n<p>1 \u4e2a\u7535\u5bb9 &#043; 1 \u4e2a\u6676\u4f53\u7ba1<\/p>\n<\/td>\n<td>\n<p>6 \u4e2a\u6676\u4f53\u7ba1<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u901f\u5ea6<\/p>\n<\/td>\n<td>\n<p>\u7ea6 100ns<\/p>\n<\/td>\n<td>\n<p>\u51e0 ns&#xff08;\u5feb\u51e0\u5341\u500d&#xff09;<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u5bb9\u91cf\/\u6210\u672c<\/p>\n<\/td>\n<td>\n<p>\u4fbf\u5b9c&#xff0c;\u80fd\u505a\u51e0\u5341 GB<\/p>\n<\/td>\n<td>\n<p>\u8d35&#xff0c;\u53ea\u80fd\u505a\u51e0 KB&#xff5e;\u51e0\u5341 MB<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u7528\u9014<\/p>\n<\/td>\n<td>\n<p>\u5185\u5b58&#xff08;\u624b\u673a LPDDR&#xff09;<\/p>\n<\/td>\n<td>\n<p>CPU\/GPU \u7684\u7f13\u5b58<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6ce8\u610f DRAM \u7684\u7b2c\u4e00\u4e2a\u7279\u70b9&#xff1a;\u5b83\u9760\u7535\u5bb9\u5b58\u7535\u8377\u8bb0 bit&#xff0c;\u7535\u5bb9\u4f1a\u6f0f\u7535&#xff0c;\u6240\u4ee5\u6bcf\u9694\u51e0\u5341\u6beb\u79d2\u5fc5\u987b\u628a\u6240\u6709\u6570\u636e\u8bfb\u4e00\u904d\u518d\u5199\u56de\u53bb\u2014\u2014\u8fd9\u5c31\u662f&#034;Dynamic&#xff08;\u52a8\u6001&#xff09;&#034;\u7684\u542b\u4e49\u3002\u4e5f\u5c31\u662f\u8bf4&#xff0c;DRAM \u5373\u4f7f\u6ca1\u4eba\u8bbf\u95ee\u5b83&#xff0c;\u5149\u7ef4\u6301\u6570\u636e\u5c31\u5728\u8017\u7535\u3002<\/p>\n<p>\u6240\u4ee5 GPU \u5e72\u6d3b\u7684\u771f\u5b9e\u6d41\u7a0b\u662f&#xff1a;\u5148\u95ee\u7f13\u5b58\u8981\u6570\u636e&#xff0c;\u7f13\u5b58\u91cc\u6709&#xff08;\u547d\u4e2d&#xff09;\u5c31\u4fbf\u5b9c\u5feb\u901f&#xff1b;\u7f13\u5b58\u91cc\u6ca1\u6709&#xff08;\u672a\u547d\u4e2d&#xff09;\u5c31\u5f97\u53bb DRAM \u642c\u2014\u2014\u8de8\u82af\u7247\u8dd1\u4e00\u4e2a\u6765\u56de&#xff0c;\u5ef6\u8fdf\u4e0a\u767e\u500d&#xff0c;\u529f\u8017\u51e0\u5341\u500d\u3002\u8fd9\u5c31\u662f\u90a3\u53e5&#034;\u4e00\u6b21\u5185\u5b58\u8bbf\u95ee\u7684\u8017\u7535&#xff0c;\u591f ALU \u7b97\u51e0\u5341\u6b21&#034;\u7684\u6765\u5386\u3002<\/p>\n<p>\u63a8\u8bba&#xff1a;\u4f18\u5316\u5e26\u5bbd\u6709\u4e24\u4e2a\u65b9\u5411\u2014\u2014\u8981\u4e48\u5c11\u642c&#xff08;\u51cf\u5c11\u603b\u91cf&#xff09;&#xff0c;\u8981\u4e48\u642c\u5f97\u5de7&#xff08;\u8ba9\u6570\u636e\u5728\u7f13\u5b58\u91cc\u6328\u5f97\u8fd1\u3001\u547d\u4e2d\u7387\u9ad8&#xff09;\u3002\u540e\u9762\u4f60\u4f1a\u770b\u5230&#xff0c;\u7eb9\u7406\u538b\u7f29\u8d70\u7684\u662f\u7b2c\u4e00\u6761\u8def&#xff0c;Mipmap \u8d70\u7684\u662f\u7b2c\u4e8c\u6761\u8def\u3002<\/p>\n<h3>\u4e09\u3001\u624b\u673a\u7684\u5148\u5929\u52a3\u52bf&#xff1a;\u4e00\u6761\u9a6c\u8def&#xff0c;\u4e24\u5bb6\u5408\u79df<\/h3>\n<p>PC \u7684\u67b6\u6784\u662f&#034;\u5404\u4f4f\u5404\u5bb6&#034;&#xff1a;CPU \u7528\u5185\u5b58\u6761&#xff0c;GPU \u7528\u72ec\u7acb\u663e\u5b58&#xff0c;\u5404\u6709\u5404\u7684\u5e26\u5bbd\u901a\u9053\u3002<\/p>\n<p>\u624b\u673a\u662f SoC&#xff08;System on Chip&#xff09;&#xff1a;CPU\u3001GPU\u3001ISP \u7b49\u6a21\u5757\u6324\u5728\u4e00\u5757\u82af\u7247\u91cc&#xff0c;\u5171\u7528\u540c\u4e00\u5757 LPDDR&#xff0c;\u8d70\u540c\u4e00\u6761\u603b\u7ebf\u2014\u2014\u4e00\u5bb6\u9a6c\u8def&#xff0c;\u4e24\u5bb6\u5408\u79df&#xff0c;\u8fd8\u8981\u8ddf ISP&#xff08;\u62cd\u7167\u65f6&#xff09;\u3001\u57fa\u5e26\u62a2\u8def\u3002<\/p>\n<p>\u8fd9\u5e26\u6765\u4e24\u4e2a\u76f4\u63a5\u540e\u679c&#xff1a;<\/p>\n<li>\u5e26\u5bbd\u5929\u751f\u5c31\u7a84&#xff08;\u524d\u6587\u8bf4\u7684\u6570\u91cf\u7ea7\u5dee\u8ddd&#xff09;&#xff1b;<\/li>\n<li>\u642c\u8fd0\u7684\u6bcf\u4e00\u5b57\u8282\u90fd\u76f4\u63a5\u8ba1\u8d39\u2014\u2014Arm \u7684 80\u2013100mW\/GB\/s \u5c31\u662f\u5728\u8fd9\u6761\u5171\u4eab\u603b\u7ebf\u4e0a\u91cf\u51fa\u6765\u7684\u3002<\/li>\n<h3>\u56db\u3001\u79fb\u52a8 GPU \u7684\u81ea\u6551&#xff1a;TBDR \u67b6\u6784<\/h3>\n<p>\u6b63\u56e0\u5e26\u5bbd\u91d1\u8d35&#xff0c;\u79fb\u52a8\u7aef GPU&#xff08;Mali\u3001Adreno&#xff09;\u5728\u8bbe\u8ba1\u4e0a\u548c PC GPU \u8d70\u4e86\u5b8c\u5168\u4e0d\u540c\u7684\u8def\u7ebf\u2014\u2014TBDR&#xff08;Tile-Based Deferred Rendering&#xff0c;\u57fa\u4e8e\u5206\u5757\u7684\u6e32\u67d3&#xff09;&#xff1a;<\/p>\n<li>\u628a\u753b\u9762\u5207\u6210\u4e00\u5757\u5757\u5c0f tile&#xff08;\u6bd4\u5982 32\u00d732 \u50cf\u7d20&#xff09;&#xff1b;<\/li>\n<li>\u5148\u5bf9\u6574\u5e27\u505a\u51e0\u4f55\u5904\u7406&#xff0c;\u7b97\u51fa\u6bcf\u4e2a tile \u91cc\u6709\u54ea\u4e9b\u56fe\u5143&#xff1b;<\/li>\n<li>\u5bf9\u6bcf\u4e2a tile&#xff0c;\u5728\u82af\u7247\u5185\u90e8\u4e00\u5757\u5f88\u5c0f\u7684 SRAM&#xff08;tile memory&#xff09;\u91cc\u5b8c\u6210\u6240\u6709\u7740\u8272\u548c\u6df7\u5408&#xff1b;<\/li>\n<li>\u7b97\u5b8c\u624d\u628a\u6700\u7ec8\u7ed3\u679c\u5199\u56de DRAM\u3002<\/li>\n<p>\u5bf9\u6bd4\u4e00\u4e0b PC \u7684&#034;\u7acb\u5373\u6a21\u5f0f\u6e32\u67d3&#034;\u2014\u2014\u753b\u4ec0\u4e48\u5199\u4ec0\u4e48&#xff0c;\u5e27\u7f13\u51b2\u8bfb\u5199\u5168\u8d70\u663e\u5b58\u3002TBDR \u76f8\u5f53\u4e8e&#034;\u6512\u4e00\u6279\u8d27&#xff0c;\u7528\u5c0f\u63a8\u8f66\u5728\u8f66\u95f4\u91cc\u5012\u817e\u5b8c&#xff0c;\u6700\u540e\u53ea\u8dd1\u4e00\u8d9f\u5927\u4ed3\u5e93&#034;\u3002Arm \u5b98\u65b9\u6587\u6863\u660e\u786e\u8bf4\u660e&#xff1a;\u8fd9\u79cd\u67b6\u6784\u6bd4\u4f20\u7edf\u6e32\u67d3\u9700\u8981\u7684\u5e26\u5bbd\u66f4\u5c11\u3001\u529f\u8017\u66f4\u4f4e\u2014\u2014\u5b83\u662f\u88ab&#034;\u624b\u673a\u5e26\u5bbd\u7a84\u3001\u642c\u8fd0\u8d35&#034;\u903c\u51fa\u6765\u7684\u8bbe\u8ba1\u3002<\/p>\n<p>\u7406\u89e3 TBDR \u8fd8\u6709\u4e2a\u5b9e\u7528\u526f\u4ea7\u54c1&#xff1a;\u4f60\u4f1a\u660e\u767d\u4e3a\u4ec0\u4e48\u67d0\u4e9b\u5728 PC \u4e0a\u65e0\u5bb3\u7684\u5199\u6cd5\u5728\u624b\u673a\u4e0a\u683c\u5916\u81f4\u547d\u2014\u2014\u6bd4\u5982\u9891\u7e41\u5207\u6362\u6e32\u67d3\u76ee\u6807\u3001\u5927\u91cf\u4e71\u5e8f\u5c0f\u7ed8\u5236&#xff0c;\u90fd\u4f1a\u7834\u574f tile \u7684\u6279\u5904\u7406&#xff0c;\u8ba9&#034;\u672c\u8be5\u4e00\u8d9f\u7684\u642c\u8fd0&#034;\u53d8\u6210\u591a\u8d9f\u3002<\/p>\n<h3>\u4e94\u3001\u4f60\u7684\u5e26\u5bbd\u88ab\u8c01\u5403\u6389\u4e86<\/h3>\n<p>\u642c\u8fdb DRAM \u53c8\u642c\u51fa\u6765\u7684\u6570\u636e&#xff0c;\u4e3b\u8981\u5c31\u4e09\u4e2a\u6d41\u5411&#xff1a;<\/p>\n<p>1. \u7eb9\u7406\u91c7\u6837&#xff08;\u6700\u5927\u5934&#xff09;\u2014\u2014\u7247\u5143\u7740\u8272\u5668\u6bcf\u8f93\u51fa\u4e00\u4e2a\u50cf\u7d20\u57fa\u672c\u90fd\u8981\u8bfb\u7eb9\u7406\u3002\u7eb9\u7406\u8d8a\u5927\u3001\u6bcf\u50cf\u7d20\u91c7\u6837\u6b21\u6570\u8d8a\u591a&#xff08;\u591a\u91cd\u91c7\u6837\u3001\u6cd5\u7ebf\u8d34\u56fe\u3001\u5149\u7167\u8d34\u56fe\u2026\u2026&#xff09;&#xff0c;\u642c\u8fd0\u8d8a\u731b\u3002<\/p>\n<p>2. \u5e27\u7f13\u51b2\u8bfb\u5199\u2014\u2014\u6bcf\u4e2a\u900f\u660e\u50cf\u7d20 &#061; \u8bfb\u65e7\u8272 &#043; \u6df7\u5408 &#043; \u5199\u65b0\u8272\u3002Overdraw \u53e0 N \u5c42&#xff0c;\u8fd9\u91cc\u5c31\u4e58 N\u3002\u8fd9\u662f\u4e0a\u4e00\u7bc7&#034;\u642c\u8fd0\u60ef\u72af&#034;Overdraw \u7684\u8d26\u5355\u660e\u7ec6\u3002<\/p>\n<p>3. \u5168\u5c4f\u540e\u5904\u7406\u2014\u2014\u6bcf\u4e2a pass \u90fd\u628a\u6574\u5c4f\u50cf\u7d20\u8bfb\u5199\u4e00\u904d\u3002Bloom &#043; \u666f\u6df1 &#043; Color Grading \u6302\u4e09\u4e2a&#xff0c;\u6574\u5c4f\u6570\u636e\u5c31\u591a\u8dd1\u516d\u4e2a\u6765\u56de&#xff08;\u8bfb&#043;\u5199\u5404\u7b97\u4e00\u6b21&#xff09;\u3002<\/p>\n<p>\u5bf9\u7740 Arm \u7684\u8d26\u672c\u7b97\u4e00\u7b14&#xff1a;\u5047\u8bbe 1080p\u3001RGBA32 \u5e27\u7f13\u51b2\u3001\u5e73\u5747 Overdraw 3 \u500d\u3001\u518d\u52a0 2 \u4e2a\u5168\u5c4f\u540e\u5904\u7406 pass&#xff0c;\u6bcf\u79d2 60 \u5e27\u2014\u2014\u7eb9\u7406\u52a0\u5e27\u7f13\u51b2\u7684\u642c\u8fd0\u91cf\u5f88\u5bb9\u6613\u51b2\u5230\u51e0\u4e2a GB\/s \u7684\u91cf\u7ea7\u3002\u5bf9\u7167 650mW \u7684 DRAM \u529f\u8017\u9884\u7b97&#xff0c;\u4f60\u5c31\u77e5\u9053\u81ea\u5df1\u4e3a\u4ec0\u4e48\u70eb\u4e86\u3002<\/p>\n<h3>\u516d\u30015 \u5206\u949f\u5224\u65ad&#xff1a;\u4f60\u662f\u4e0d\u662f\u5e26\u5bbd\u74f6\u9888<\/h3>\n<p>\u539f\u7406\u8bb2\u5b8c\u4e86&#xff0c;\u7ed9\u4e00\u4e2a\u7acb\u523b\u80fd\u7528\u7684\u571f\u529e\u6cd5\u2014\u2014\u964d\u5206\u8fa8\u7387\u6d4b\u8bd5&#xff1a;<\/p>\n<p>\u628a URP \u7684 Render Scale \u964d\u5230 0.5 \u8dd1\u4e00\u904d&#xff08;\u5c31\u662f\u6539\u4e00\u4e2a\u53c2\u6570\u7684\u4e8b&#xff09;&#xff0c;\u89c2\u5bdf GPU \u5e27\u65f6\u95f4&#xff1a;<\/p>\n<ul>\n<li>GPU \u5e27\u65f6\u95f4\u5927\u5e45\u4e0b\u964d&#xff08;\u6bd4\u5982 12ms \u6389\u5230 5ms&#xff09;\u2192 \u57fa\u672c\u662f\u5e26\u5bbd\u74f6\u9888\u3002\u56e0\u4e3a\u50cf\u7d20\u6570\u662f\u5e73\u65b9\u5173\u7cfb&#xff1a;\u5206\u8fa8\u7387\u51cf\u534a&#xff0c;\u50cf\u7d20\u91cf\u964d\u5230 1\/4&#xff0c;\u5e26\u5bbd\u9700\u6c42\u968f\u4e4b\u5927\u964d&#xff1b;<\/li>\n<\/ul>\n<ul>\n<li>GPU \u5e27\u65f6\u95f4\u51e0\u4e4e\u4e0d\u53d8 \u2192 \u74f6\u9888\u5728\u522b\u5904\u3002\u53bb\u67e5 Draw Call&#xff08;CPU \u63d0\u4ea4\u6210\u672c&#xff09;\u6216\u9876\u70b9\u91cf\u3002<\/li>\n<\/ul>\n<p>\u4e3a\u4ec0\u4e48\u8fd9\u62db\u597d\u7528&#xff1f;\u56e0\u4e3a\u5b83\u53ea\u7cbe\u51c6\u6253\u51fb&#034;\u968f\u50cf\u7d20\u6570\u7ebf\u6027\u589e\u957f\u7684\u642c\u8fd0&#034;&#xff0c;\u5176\u4ed6\u74f6\u9888\u4e0d\u968f\u5206\u8fa8\u7387\u53d8\u5316\u2014\u2014\u8fd9\u662f\u4e00\u4e2a\u5929\u7136\u7684\u9694\u79bb\u5b9e\u9a8c\u3002\u987a\u5e26\u4e00\u63d0&#xff0c;\u5b83\u53cd\u8fc7\u6765\u4e5f\u544a\u8bc9\u4f60\u4e00\u4ef6\u4e8b&#xff1a;\u5982\u679c\u4f60\u662f\u5e26\u5bbd\u74f6\u9888&#xff0c;\u90a3&#034;\u964d Render Scale \u5230 0.75&#034;\u672c\u8eab\u5c31\u662f\u6700\u4fbf\u5b9c\u7684\u6551\u547d\u836f&#xff08;\u50cf\u7d20\u91cf\u964d 44%&#xff09;&#xff0c;\u6bd4\u6539\u4efb\u4f55\u4ee3\u7801\u90fd\u5feb\u3002<\/p>\n<p>\u518d\u8865\u4e00\u4e2a\u8fdb\u9636\u7684&#xff1a;\u771f\u60f3\u770b\u7cbe\u786e\u6570\u5b57&#xff0c;Mali \u673a\u5668\u7528 Arm Streamline\u3001\u9ad8\u901a\u673a\u5668\u7528 Snapdragon Profiler&#xff0c;\u90fd\u6709\u73b0\u6210\u7684\u5e26\u5bbd\u8ba1\u6570\u5668&#xff08;bytes\/sec&#xff09;\u2014\u2014\u4f18\u5316\u524d\u540e\u5e26\u5bbd\u964d\u4e86\u591a\u5c11&#xff0c;\u4e00\u76ee\u4e86\u7136\u3002\u5e26\u5bbd\u964d\u4e86 40%&#xff0c;\u529f\u8017\u57fa\u672c\u540c\u6bd4\u4f8b\u4e0b\u964d&#xff0c;\u4e0d\u7528\u62c6\u673a\u6d4b\u7535\u6d41\u3002<\/p>\n<h3>\u4e03\u3001\u7701\u5e26\u5bbd\u7684\u56db\u5927\u65b9\u5411&#xff08;\u540e\u7eed\u5404\u7bc7\u5c55\u5f00&#xff09;<\/h3>\n<table>\n<tbody>\n<tr>\n<td>\n<p>\u65b9\u5411<\/p>\n<\/td>\n<td>\n<p>\u624b\u6bb5<\/p>\n<\/td>\n<td>\n<p>\u539f\u7406<\/p>\n<\/td>\n<td>\n<p>\u8be6\u89c1<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u5c11\u642c<\/p>\n<\/td>\n<td>\n<p>\u7eb9\u7406\u538b\u7f29&#xff08;ASTC&#xff09;<\/p>\n<\/td>\n<td>\n<p>\u6bcf\u50cf\u7d20\u5b57\u8282\u6570\u964d\u5230 1\/9<\/p>\n<\/td>\n<td>\n<p>\u7b2c 4 \u7bc7<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u642c\u5f97\u5de7<\/p>\n<\/td>\n<td>\n<p>Mipmap<\/p>\n<\/td>\n<td>\n<p>\u6570\u636e\u5728\u7f13\u5b58\u91cc\u6328\u5f97\u8fd1\u3001\u547d\u4e2d\u7387\u9ad8<\/p>\n<\/td>\n<td>\n<p>\u7b2c 4 \u7bc7<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u522b\u91cd\u590d\u642c<\/p>\n<\/td>\n<td>\n<p>\u51cf Overdraw<\/p>\n<\/td>\n<td>\n<p>\u5e27\u7f13\u51b2\u8bfb\u5199 \u00d7N \u2192 \u00d71<\/p>\n<\/td>\n<td>\n<p>\u7b2c 3 \u7bc7<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u5c11\u751f\u6210\u50cf\u7d20<\/p>\n<\/td>\n<td>\n<p>\u964d Render Scale<\/p>\n<\/td>\n<td>\n<p>\u50cf\u7d20\u6570\u5e73\u65b9\u7ea7\u4e0b\u964d<\/p>\n<\/td>\n<td>\n<p>\u7b2c 8 \u7bc7<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u516b\u3001\u603b\u7ed3<\/h3>\n<p>\u628a\u8fd9\u4e00\u7bc7\u538b\u7f29\u6210\u4e09\u53e5\u8bdd&#xff1a;<\/p>\n<li>\u5e26\u5bbd\u662f&#034;\u9a6c\u8def\u7684\u901a\u884c\u80fd\u529b&#034;&#xff0c;\u4e0d\u662f&#034;\u4ed3\u5e93\u5927\u5c0f&#034;\u2014\u2014\u624b\u673a\u8fd9\u6761\u8def\u5929\u751f\u6bd4 PC \u7a84\u4e00\u4e2a\u6570\u91cf\u7ea7&#xff0c;\u800c\u4e14\u6bcf GB\/s \u8981\u4ed8 80\u2013100mW \u7684&#034;\u8fc7\u8def\u8d39&#034;&#xff1b;<\/li>\n<li>\u642c\u8fd0\u8d35\u662f\u56e0\u4e3a\u6570\u636e\u4f4f\u5728\u91d1\u5b57\u5854\u5e95\u5c42\u2014\u2014\u4e00\u6b21 DRAM \u8bbf\u95ee\u7684\u8017\u7535\u548c\u5ef6\u8fdf&#xff0c;\u591f\u7f13\u5b58\u8bbf\u95ee\u51e0\u5341\u6b21\u3001\u591f ALU \u7b97\u51e0\u5341\u6b21&#xff1b;\u79fb\u52a8 GPU \u7684 TBDR \u67b6\u6784\u5c31\u662f\u88ab\u8fd9\u6761\u8def\u903c\u51fa\u6765\u7684&#xff1b;<\/li>\n<li>\u5224\u65ad\u53ea\u9700 5 \u5206\u949f\u2014\u2014Render Scale \u964d\u5230 0.5 \u8dd1\u4e00\u904d&#xff0c;GPU \u5e27\u65f6\u95f4\u5927\u5e45\u4e0b\u964d\u5c31\u662f\u5e26\u5bbd\u74f6\u9888\u3002<\/li>\n<p>\u4e0b\u4e00\u7bc7&#xff0c;\u6211\u4eec\u6536\u62fe\u540d\u5355\u4e0a\u7684\u7b2c\u4e00\u4e2a\u60ef\u72af&#xff1a;Overdraw\u3002\u6211\u4f1a\u5c55\u793a\u4e24\u5e45\u8089\u773c\u5b8c\u5168\u4e00\u6837\u7684\u753b\u9762&#xff0c;\u5e27\u7387\u5374\u5dee\u4e00\u500d\u2014\u2014\u89c6\u89c9\u76f8\u540c\u3001\u6210\u672c\u4e0d\u540c&#xff0c;\u8fd9\u662f\u5168\u7cfb\u5217\u6700&#034;\u773c\u89c1\u4e3a\u5b9e&#034;\u7684\u4e00\u7bc7\u3002<\/p>\n<hr \/>\n<h3>\u7cfb\u5217\u76ee\u5f55&#xff08;\u6301\u7eed\u66f4\u65b0&#xff09;<\/h3>\n<li>\u4e3a\u4ec0\u4e48\u4f60\u5f00\u53d1\u7684 Unity \u6e38\u620f\u8d8a\u73a9\u8d8a\u70eb&#xff1f;\u2014\u2014 \u70ed\u8282\u6d41\u6076\u6027\u5faa\u73af\u4e0e&#034;\u642c\u8fd0\u2248\u529f\u8017&#034;\u7684\u603b\u7eb2 \u2705<\/li>\n<li>\u5e26\u5bbd&#xff1a;GPU \u7684\u7cae\u9053\u5728\u54ea\u91cc\u5835\u4f4f\u4e86&#xff08;\u672c\u7bc7&#xff09;\u2014\u2014 DRAM\/\u5e26\u5bbd\/\u5ef6\u8fdf&#xff0c;\u4ee5\u53ca 5 \u5206\u949f\u5b9a\u4f4d\u5e26\u5bbd\u74f6\u9888\u7684\u571f\u529e\u6cd5<\/li>\n<li>Overdraw&#xff1a;\u4e24\u5e45\u4e00\u6a21\u4e00\u6837\u7684\u753b\u9762&#xff0c;\u5e27\u7387\u5dee\u4e00\u500d \u2014\u2014 \u65b0\u624b\u6751\u5f39\u7a97 A\/B \u5b9e\u6218<\/li>\n<li>\u7eb9\u7406\u4e0e\u540e\u5904\u7406&#xff1a;\u642c\u8fd0\u91cf\u6700\u5927\u7684\u4e24\u4e2a\u60ef\u72af \u2014\u2014 ASTC \u538b\u7f29\u3001Mipmap \u4e0e\u7f13\u5b58\u547d\u4e2d<\/li>\n<li>CPU \u4e0d\u662f\u65e0\u8f9c\u7684&#xff1a;GC\u3001Draw Call \u4e0e Canvas \u91cd\u5efa \u2014\u2014 \u53e6\u4e00\u534a\u529f\u8017\u7684\u8d26<\/li>\n<li>\u5149\u7167\u70d8\u7119&#xff1a;\u964d\u6e29\u6027\u4ef7\u6bd4\u4e4b\u738b \u2014\u2014 \u4e00\u62db\u5e38\u780d\u534a GPU \u529f\u8017<\/li>\n<li>\u9501\u5e27\u7684\u667a\u6167&#xff1a;\u62ff\u5e27\u7387\u6362\u53d1\u70ed\u4f59\u91cf \u2014\u2014 \u4e3a\u4ec0\u4e48&#034;\u9501\u5e27&#034;\u4e0d\u662f\u5077\u61d2\u800c\u662f\u7b56\u7565<\/li>\n<li>\u6536\u5b98&#xff1a;\u4e03\u5927\u70ed\u6e90\u6392\u67e5\u6e05\u5355 &#043; \u529f\u8017\u6d4b\u91cf\u5b9e\u6218 \u2014\u2014 \u5e26\u8d70\u7684 Checklist<\/li>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0a\u4e00\u7bc7\u6211\u4eec\u8bf4\u8fc7\u4e00\u4e2a\u53cd\u76f4\u89c9\u7684\u7ed3\u8bba&#xff1a;\u624b\u673a\u53d1\u70eb&#xff0c;\u70e7\u7684\u4e0d\u662f\\&#8221;\u7b97\u529b\\&#8221;&#xff0c;\u800c\u662f\\&#8221;\u642c\u8fd0\\&#8221;\u2014\u2014Arm 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