{"id":152,"date":"2022-11-08T04:28:21","date_gmt":"2022-11-08T12:28:21","guid":{"rendered":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/?p=152"},"modified":"2022-11-08T04:29:47","modified_gmt":"2022-11-08T12:29:47","slug":"asp-net-core-7-%e4%b8%ad%e7%9a%84%e6%80%a7%e8%83%bd%e6%94%b9%e8%bf%9b","status":"publish","type":"post","link":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/asp-net-core-7-%e4%b8%ad%e7%9a%84%e6%80%a7%e8%83%bd%e6%94%b9%e8%bf%9b\/","title":{"rendered":"ASP.NET Core 7 \u4e2d\u7684\u6027\u80fd\u6539\u8fdb"},"content":{"rendered":"

\u672c\u6587\u7ffb\u8bd1\u4e8eBrennan Conroy\u7684\u8fd9\u7bc7\u82f1\u6587\u6587\u7ae0\uff1aPerformance improvements in ASP.NET Core 7<\/a><\/em><\/strong><\/span>\u3002<\/p>\n

\u6027\u80fd\u662f .NET \u7684\u4e00\u4e2a\u7279\u6027\u3002\u5728\u6bcf\u4e2a\u7248\u672c\u4e2d\uff0c.NET \u56e2\u961f\u548c\u793e\u533a\u8d21\u732e\u8005\u90fd\u4f1a\u82b1\u65f6\u95f4\u6539\u8fdb\u6027\u80fd\uff0c\u4e3a\u7684\u662f\u4f7f.NET \u5e94\u7528\u7a0b\u5e8f\u66f4\u5feb\u5e76\u4e14\u4f7f\u7528\u66f4\u5c11\u7684\u8d44\u6e90\u3002<\/p>\n

\u8fd9\u7bc7\u535a\u6587\u91cd\u70b9\u4ecb\u7ecd\u4e86 ASP.NET Core 7 \u4e2d\u7684\u4e00\u4e9b\u6027\u80fd\u6539\u8fdb\u3002\u8fd9\u662f\u53bb\u5e74\u5173\u4e8e ASP.NET Core 6 \u6027\u80fd\u6539\u8fdb<\/a>\u7684\u6587\u7ae0\u7684\u5ef6\u7eed\u3002\u5f53\u7136\uff0c\u5b83\u7ee7\u7eed\u53d7\u5230 .NET 7 \u4e2d\u7684\u6027\u80fd\u6539\u8fdb<\/a>\u7684\u542f\u53d1\u3002\u5176\u4e2d\u8bb8\u591a\u6539\u8fdb\u95f4\u63a5\u6216\u76f4\u63a5\u5730\u63d0\u9ad8\u4e86 ASP.NET Core \u7684\u6027\u80fd\u3002<\/p>\n

\u57fa\u51c6\u8bbe\u7f6e<\/strong><\/p>\n

\u6211\u4eec\u5c06\u5728\u8fd9\u7bc7\u535a\u6587\u4e2d\u7684\u5927\u90e8\u5206\u793a\u4f8b\u4e2d\u4f7f\u7528 BenchmarkDotNet<\/a>\u3002<\/p>\n

\u9996\u5148\u8bbe\u7f6e\u57fa\u51c6\u6d4b\u8bd5\u9879\u76ee\uff1a<\/p>\n

    \n
  1. \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u63a7\u5236\u53f0\u5e94\u7528\u7a0b\u5e8f\uff08dotnet new console<\/span>\uff09<\/li>\n
  2. \u6dfb\u52a0\u5bf9 BenchmarkDotnet \u7684 Nuget \u5f15\u7528\uff08dotnet add package BenchmarkDotnet<\/span>\uff09version 0.13.2+<\/li>\n
  3. \u5c06Program.cs \u66f4\u6539\u4e3a var summary = BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run()<\/span>;<\/li>\n
  4. \u5728\u4e0b\u9762\u6dfb\u52a0\u60a8\u8981\u8fd0\u884c\u7684\u57fa\u51c6\u6d4b\u8bd5\u4ee3\u7801\u7247\u6bb5<\/li>\n
  5. \u8fd0\u884c dotnet run -c Release<\/span> \u5e76\u5728\u51fa\u73b0\u63d0\u793a\u65f6\u8f93\u5165\u8981\u8fd0\u884c\u7684\u57fa\u51c6\u6d4b\u8bd5\u7684\u7f16\u53f7<\/li>\n<\/ol>\n

    \u6709\u4e9b\u57fa\u51c6\u6d4b\u8bd5\u5185\u90e8\u7c7b\u578b\uff0c\u65e0\u6cd5\u7f16\u5199\u81ea\u5305\u542b\u57fa\u51c6\u3002 \u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u5c06\u53c2\u8003\u901a\u8fc7\u5728\u5b58\u50a8\u5e93\u4e2d\u8fd0\u884c\u57fa\u51c6\u83b7\u5f97\u7684\u6570\u5b57\uff0c\u6216\u8005\u6211\u5c06\u63d0\u4f9b\u4e00\u4e2a\u7b80\u5316\u7684\u793a\u4f8b\u6765\u5c55\u793a\u6539\u8fdb\u7684\u4f5c\u7528\u3002<\/p>\n

    \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4f1a\u53c2\u8003\u6211\u4eec\u5728 https:\/\/aka.ms\/aspnet\/benchmarks \u4e0a\u516c\u5f00\u7684\u7aef\u5230\u7aef\u57fa\u51c6\u3002 \u4f46\u662f\u6211\u4eec\u53ea\u663e\u793a\u6700\u8fd1\u51e0\u4e2a\u6708\u7684\u6570\u636e\uff0c\u662f\u4e3a\u4e86\u65b9\u4fbf\u9875\u9762\u5728\u5408\u7406\u7684\u65f6\u95f4\u5185\u52a0\u8f7d\u3002<\/p>\n

    \u901a\u7528\u670d\u52a1\u5668<\/strong><\/p>\n

    Ampere \u673a\u5668\u57fa\u4e8e ARM\uff0c\u5177\u6709\u8bb8\u591a\u5185\u6838\uff0c\u5e76\u4e14\u7531\u4e8e\u5176\u8f83\u4f4e\u7684\u529f\u8017\u548c\u4e0e x64 \u673a\u5668\u7684\u5947\u5076\u6027\u800c\u88ab\u7528\u4f5c\u4e91\u73af\u5883\u4e2d\u7684\u670d\u52a1\u5668\u3002 \u4f5c\u4e3a .NET 7 \u7684\u4e00\u90e8\u5206\uff0c\u6211\u4eec\u786e\u5b9a\u4e86\u8bb8\u591a\u6838\u5fc3\u673a\u5668\u65e0\u6cd5\u5f88\u597d\u5730\u6269\u5c55\u7684\u4e00\u4e9b\u9886\u57df\uff0c\u5e76\u4fee\u590d\u5b83\u4eec\u4ee5\u5e26\u6765\u5de8\u5927\u7684\u6027\u80fd\u63d0\u5347\u3002 dotnet\/runtime#69386<\/a> \u548c dotnet\/aspnetcore#42237<\/a> \u5206\u522b\u5bf9\u5168\u5c40\u7ebf\u7a0b\u6c60\u961f\u5217\u548c\u5957\u63a5\u5b57\u8fde\u63a5\u4f7f\u7528\u7684\u5185\u5b58\u6c60\u8fdb\u884c\u4e86\u5206\u533a\u3002 \u5206\u533a\u4f7f\u5185\u6838\u80fd\u591f\u5728\u81ea\u5df1\u7684\u961f\u5217\u4e0a\u8fd0\u884c\uff0c\u8fd9\u6709\u52a9\u4e8e\u51cf\u5c11\u4e89\u7528\u5e76\u63d0\u9ad8\u5927\u578b\u5185\u6838\u8ba1\u7b97\u673a\u7684\u53ef\u6269\u5c55\u6027\u3002 \u5728\u6211\u4eec\u7684 80 \u6838 Ampere \u673a\u5668\u4e0a\uff0c\u660e\u6587\u5e73\u53f0\u57fa\u51c6\u63d0\u9ad8 514%\uff0c240 \u4e07 RPS \u5230 1460 \u4e07 RPS\uff0cJSON \u5e73\u53f0\u63d0\u9ad8 311%\uff0c270k RPS \u5230 110 \u4e07 RPS\uff01<\/p>\n

    \u4e3a\u4e86\u63d0\u9ad8\u6027\u80fd\uff0c\u6211\u4eec\u505a\u4e86\u4e00\u4e9b\u6743\u8861\u3002 \u9996\u5148\uff0c\u5de5\u4f5c\u9879\u5230\u5168\u5c40\u7ebf\u7a0b\u961f\u5217\u7684\u4e25\u683c FIFO \u6392\u5e8f\u4e0d\u518d\u5f97\u5230\u4fdd\u8bc1\uff0c\u56e0\u4e3a\u73b0\u5728\u6709\u591a\u4e2a\u961f\u5217\u88ab\u8bfb\u53d6\u3002 \u5176\u6b21\uff0c\u5f53\u673a\u5668\u7531\u4e8e\u5de5\u4f5c\u7a83\u53d6\u800c\u5904\u4e8e\u4f4e\u8d1f\u8f7d\u72b6\u6001\u65f6\uff0c\u9700\u8981\u66f4\u591a\u7684\u961f\u5217\u6765\u641c\u7d22\u5de5\u4f5c\uff0cCPU \u4f7f\u7528\u7387\u53ef\u80fd\u4f1a\u7565\u6709\u589e\u52a0\u3002<\/p>\n

    dotnet\/runtime#64834<\/a> \u5e26\u6765\u4e86\u4e00\u4e2a\u91cd\u5927\u53d8\u5316\uff08\u7279\u5b9a\u4e8e Windows\uff09\uff0c\u5b83\u5c06 Windows IO \u6c60\u5207\u6362\u4e3a\u4f7f\u7528\u6258\u7ba1\u5b9e\u73b0\u3002 \u867d\u7136\u8fd9\u4e00\u53d8\u5316\u672c\u8eab\u5e26\u6765\u4e86\u6027\u80fd\u6539\u8fdb\uff0c\u4f8b\u5982\u6211\u4eec\u7684 JSON \u5e73\u53f0\u57fa\u51c6\u6d4b\u8bd5\u7684 RPS \u589e\u52a0\u4e86\u7ea6 11%\uff0c\u4f46\u5b83\u8fd8\u5141\u8bb8\u6211\u4eec\u5728 dotnet\/aspnetcore#43449<\/a> \u4e2d\u5220\u9664\u4e4b\u524d\u5b58\u5728\u7684 Kestrel \u4e2d\u7684\u7ebf\u7a0b\u6c60\u8c03\u5ea6 IO \u7ebf\u7a0b\u3002 \u5728 Windows \u4e0a\u5220\u9664\u8c03\u5ea6\u4f7f RPS \u518d\u589e\u52a0\u7ea6 18%\uff0c\u5bfc\u81f4\u603b RPS \u589e\u52a0\u7ea6 27%\uff0c\u4ece 800k RPS \u589e\u52a0\u5230 110 \u4e07 RPS\u3002<\/p>\n

    \u629b\u51fa\u5f02\u5e38\u53ef\u80fd\u4ee3\u4ef7\u9ad8\u6602<\/a>\uff0c\u5e76\u4e14 dotnet\/aspnetcore#38094<\/a> \u6807\u8bc6\u4e86 Kestrel \u7684 Socket \u4f20\u8f93\u4e2d\u7684\u4e00\u4e2a\u533a\u57df\uff0c\u6211\u4eec\u53ef\u4ee5\u907f\u514d\u5728\u8fde\u63a5\u5173\u95ed\u671f\u95f4\u5728\u67d0\u4e2a\u5c42\u629b\u51fa\u5f02\u5e38\u3002 \u5728\u6211\u4eec\u7684\u8fde\u63a5\u5173\u95ed\u57fa\u51c6\u6d4b\u8bd5\u4e2d\uff0c\u4e0d\u629b\u51fa\u5f02\u5e38\u4f1a\u964d\u4f4e CPU \u4f7f\u7528\u7387\u3002 Linux \u4e0a 50% \u5230 40% CPU\uff0cWindows \u4e0a 15% \u5230 14% CPU\uff0c28 \u6838 ARM Linux \u4e0a 24% \u5230 18% CPU\uff01 \u66f4\u6539\u7684\u53e6\u4e00\u4e2a\u4e0d\u9519\u7684\u526f\u4f5c\u7528\u662f\u6bcf\u79d2\u7684\u5f02\u5e38\u6570\u91cf\uff08\u5982\u4e0b\u56fe\u6240\u793a\uff09\u6025\u5267\u4e0b\u964d\uff0c\u8fd9\u603b\u662f\u4e00\u4ef6\u597d\u4e8b\u3002<\/p>\n

    <\/p>\n

    \u6211\u4eec\u5728 6.0 \u4e2d\u5f00\u59cb\u4f7f\u7528 PoolingAsyncValueTaskMethodBuilder \u548c dotnet\/aspnetcore#35011<\/a>\uff0c\u5b83\u66f4\u65b0\u4e86 Kestrel \u4e2d\u7684\u8bb8\u591a ReadAsync \u65b9\u6cd5\uff0c\u4ee5\u51cf\u5c11\u4ece\u8bf7\u6c42\u4e2d\u8bfb\u53d6\u65f6\u4f7f\u7528\u7684\u5185\u5b58\u3002 \u5728 7.0 \u4e2d\uff0c\u6211\u4eec\u5c06 PoolingAsyncValueTaskMethodBuilder \u5e94\u7528\u4e8e dotnet\/aspnetcore#41345<\/a>\u3001dotnet\/runtime#68467<\/a> \u548c dotnet\/runtime#68457<\/a> \u4e2d\u7684\u66f4\u591a\u65b9\u6cd5\u3002<\/p>\n

    WebSockets \u662f\u5c55\u793a\u5206\u914d\u5dee\u5f02\u7684\u7edd\u4f73\u793a\u4f8b\uff0c\u56e0\u4e3a\u5b83\u4eec\u662f\u4ece\u8bf7\u6c42\u4e2d\u591a\u6b21\u8bfb\u53d6\u7684\u957f\u671f\u8fde\u63a5\u3002 \u5728\u4e0b\u56fe\u4e2d\uff0c\u4e00\u4e2a\u57fa\u51c6\u6d4b\u8bd5\u5728\u5355\u4e2a WebSocket \u8fde\u63a5\u4e0a\u6267\u884c\u4e86 1000 \u6b21\u8bfb\u53d6\u3002<\/p>\n

    \u5728 6.0 \u4e2d\uff0c1000 \u6b21\u8bfb\u53d6\u4f1a\u5bfc\u81f4\u5206\u914d 3000 \u4e2a\u72b6\u6001\u673a\u3002<\/p>\n

    <\/p>\n

    \u6df1\u5165\u7814\u7a76\u5b83\u4eec\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u6bcf\u6b21\u8bfb\u53d6\u4e09\u4e2a\u72ec\u7acb\u7684\u72b6\u6001\u673a\u3002<\/p>\n

    <\/p>\n

    \u5728 7.0 \u4e2d\uff0c\u6240\u6709\u72b6\u6001\u673a\u5206\u914d\u90fd\u5df2\u4ece WebSocket \u8fde\u63a5\u8bfb\u53d6\u4e2d\u6d88\u9664\u3002<\/p>\n

    <\/p>\n

    \u8bf7\u6ce8\u610f\uff0cPoolingAsyncValueTaskMethodBuilder \u4e0d\u4ec5\u4ec5\u662f\u514d\u8d39\u7684\u6027\u80fd\uff0c\u5e76\u4e14\u53ef\u4ee5\u7528\u4e8e\u6240\u6709\u5f02\u6b65 API\u3002 \u867d\u7136\u4ece\u5206\u914d\u7684\u89d2\u5ea6\u6765\u770b\u5b83\u53ef\u80fd\u770b\u8d77\u6765\u4e0d\u9519\u5e76\u4e14\u53ef\u4ee5\u6539\u8fdb\u5fae\u57fa\u51c6\uff0c\u4f46\u5b83\u5728\u5b9e\u9645\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u8868\u73b0\u53ef\u80fd\u4f1a\u66f4\u5dee\u3002 \u6c60\u5316\u5728\u627f\u8bfa\u4f7f\u7528\u4e4b\u524d\u4f1a\u88ab\u5f7b\u5e95\u6d4b\u91cf\uff0c\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u6211\u4eec\u53ea\u5c06\u6b64\u529f\u80fd\u5e94\u7528\u4e8e\u7279\u5b9a API \u7684\u539f\u56e0\u3002<\/p>\n

    HTTP\/2<\/strong><\/p>\n

    \u5728 6.0 \u4e2d\uff0c\u6211\u4eec\u5728 Kestrel \u7684 HTTP\/2 \u5904\u7406\u4e2d\u53d1\u73b0\u4e86\u4e00\u4e2a\u9501\u4e89\u7528\u8f83\u9ad8\u7684\u533a\u57df\u3002 HTTP\/2 \u5177\u6709\u5355\u4e2a\u8fde\u63a5\u4e0a\u7684\u591a\u4e2a\u6d41\u7684\u6982\u5ff5\u3002\u5f53\u4e00\u4e2a\u6d41\u5199\u5165\u8fde\u63a5\u65f6\uff0c\u5b83\u9700\u8981\u4e00\u4e2a\u53ef\u4ee5\u963b\u585e\u5176\u4ed6\u5e76\u53d1\u6d41\u7684\u9501\u3002\u6211\u4eec\u5c1d\u8bd5\u4e86\u51e0\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\u6765\u63d0\u9ad8\u5e76\u53d1\u6027\u3002\u6211\u4eec\u53d1\u73b0\u4e86\u4e00\u4e2a\u6f5c\u5728\u7684\u6539\u8fdb\uff0c\u65b9\u6cd5\u662f\u5bf9 Channel<\/a> \u7684\u5199\u5165\u8fdb\u884c\u6392\u961f\uff0c\u5e76\u8ba9\u5355\u4e2a\u6d88\u8d39\u8005\u4efb\u52a1\u5904\u7406\u961f\u5217\u5e76\u5b8c\u6210\u6240\u6709\u5199\u5165\uff0c\u4ece\u800c\u6d88\u9664\u4e86\u5927\u90e8\u5206\u7684\u9501\u4e89\u7528\u3002PR dotnet\/aspnetcore#40925<\/a> \u91cd\u5199\u4e86 HTTP\/2 \u8f93\u51fa\u5904\u7406\u4ee5\u4f7f\u7528 Channel \u65b9\u6cd5\uff0c\u7ed3\u679c\u4e0d\u8a00\u800c\u55bb\u3002\u4f7f\u7528\u6bcf\u4e2a\u8fde\u63a5 70 \u4e2a\u6d41\u548c 28 \u4e2a\u8fde\u63a5\u7684 gRPC \u57fa\u51c6\u6d4b\u8bd5\uff0c\u6211\u4eec\u770b\u5230 110k RPS \u548c\u670d\u52a1\u5668 CPU \u5927\u7ea6 14%\uff0c\u8fd9\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u6307\u6807\uff0c\u8981\u4e48\u6211\u4eec\u6ca1\u6709\u4ece\u5ba2\u6237\u7aef\u4ea7\u751f\u8db3\u591f\u7684\u8d1f\u8f7d\uff0c\u8981\u4e48\u6709\u4ec0\u4e48\u4e1c\u897f\u963b\u6b62\u4e86\u670d\u52a1\u5668\u505a\u66f4\u591a\u7684\u5904\u7406\u3002\u66f4\u6539\u540e\uff0cRPS \u53d8\u4e3a 4.1m\uff0c\u670d\u52a1\u5668 CPU \u73b0\u5728\u4e3a 100%\uff0c\u8868\u660e\u6211\u4eec\u6b63\u5728\u751f\u6210\u8db3\u591f\u7684\u8d1f\u8f7d\uff0c\u5e76\u4e14\u670d\u52a1\u5668\u4e0d\u518d\u88ab\u9501\u4e89\u7528\u963b\u585e\uff01\u8fd9\u4e00\u53d8\u5316\u8fd8\u5c06\u5355\u6d41\u591a\u8fde\u63a5\u57fa\u51c6\u4ece 1.2m \u63d0\u9ad8\u5230 6.8m RPS\u3002\u8fd9\u4e2a\u57fa\u51c6\u6d4b\u8bd5\u4e0d\u53d7\u9501\u4e89\u7528\u7684\u5f71\u54cd\uff0c\u5e76\u4e14\u5728\u66f4\u6539\u4e4b\u524d\u5df2\u7ecf\u5904\u4e8e 100% CPU\uff0c\u6240\u4ee5\u5f53\u5b83\u901a\u8fc7\u6539\u53d8\u6211\u4eec\u5904\u7406 HTTP\/2 \u5e27\u7684\u65b9\u5f0f\u5f97\u5230\u5982\u6b64\u5927\u7684\u6539\u8fdb\u65f6\uff0c\u771f\u662f\u4ee4\u4eba\u60ca\u559c\uff01<\/p>\n

    \u770b\u5230\u56fe\u8868\u7684\u663e\u7740\u6539\u8fdb\u603b\u662f\u5f88\u9ad8\u5174\uff0c\u56e0\u6b64\u8fd9\u91cc\u662f\u66f4\u6539\u524d\u540e\u7684\u9501\u4e89\u7528\u60c5\u51b5\uff1a<\/p>\n

    <\/p>\n

    \u8fd9\u662f RPS \u7684\u6539\u8fdb\uff1a<\/p>\n

    <\/p>\n

    HTTP\/2 \u4e2d\u7684\u53e6\u4e00\u4e2a\u6982\u5ff5\u79f0\u4e3a\u6d41\u63a7\u5236\u3002\u6d41\u63a7\u5236\u662f\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u90fd\u91c7\u7528\u7684\u534f\u8bae\uff0c\u7528\u4e8e\u6307\u5b9a\u5728\u7b49\u5f85\u53d1\u9001\u66f4\u591a\u6570\u636e\u4e4b\u524d\u53ef\u4ee5\u5411\u4efb\u4e00\u65b9\u53d1\u9001\u591a\u5c11\u6570\u636e\u3002\u5728\u8fde\u63a5\u5f00\u59cb\u65f6\uff0c\u7a97\u53e3\u5927\u5c0f\u88ab\u6307\u5b9a\u5e76\u7528\u4f5c\u5141\u8bb8\u901a\u8fc7\u8fde\u63a5\u53d1\u9001\u7684\u6700\u5927\u6570\u636e\u91cf\uff0c\u76f4\u5230\u63a5\u6536\u5230 WINDOW_UPDATE \u5e27\u3002\u6b64\u5e27\u6307\u5b9a\u5df2\u8bfb\u53d6\u7684\u6570\u636e\u91cf\uff0c\u5e76\u8ba9\u53d1\u9001\u8005\u77e5\u9053\u53ef\u4ee5\u901a\u8fc7\u8fde\u63a5\u53d1\u9001\u66f4\u591a\u6570\u636e\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cKestrel \u4f7f\u7528 96kb \u7684\u7a97\u53e3\u5927\u5c0f\uff0c\u4e00\u65e6\u8bfb\u53d6\u4e86\u5927\u7ea6\u4e00\u534a\u7684\u7a97\u53e3\uff0c\u5c31\u4f1a\u53d1\u9001 WINDOW_UPDATE\u3002\u7a97\u53e3\u5927\u5c0f\u610f\u5473\u7740\u4e0a\u4f20\u5927\u6587\u4ef6\u7684\u5ba2\u6237\u7aef\u5c06\u5728\u6536\u5230 WINDOW_UPDATE \u5e27\u4e4b\u524d\u4e00\u6b21\u5c06 48kb \u5230 96kb \u53d1\u9001\u5230\u670d\u52a1\u5668\u3002\u4f7f\u7528\u8fd9\u4e9b\u6570\u5b57\uff0c\u6211\u4eec\u53ef\u4ee5\u7c97\u7565\u5f97\u51fa\u4e00\u4e2a 108Mb \u6587\u4ef6\u548c 10ms \u5f80\u8fd4\u5ef6\u8fdf\u9700\u8981\u591a\u957f\u65f6\u95f4\u3002 108mb \/ 48kb = 2,250 \u6bb5\u3002 2,250 \u6bb5 \/ 10 \u6beb\u79d2 = 22.5 \u79d2\u4e0a\u9650\u3002 108mb \/ 96kb = 1,125 \u6bb5\u3002\u4e0b\u9650 1,125 \u6bb5 \/ 10ms = 11.25 \u79d2\u3002\u8fd9\u4e9b\u6570\u5b57\u5e76\u4e0d\u7cbe\u786e\uff0c\u56e0\u4e3a\u5728\u53d1\u9001\u548c\u5904\u7406\u6570\u636e\u65f6\u4f1a\u6709\u4e00\u4e9b\u5f00\u9500\uff0c\u4f46\u5b83\u4eec\u8ba9\u6211\u4eec\u5927\u81f4\u4e86\u89e3\u4e86\u9700\u8981\u591a\u957f\u65f6\u95f4\u3002 dotnet\/aspnetcore#43302<\/a> \u5c06 Kestrel \u4f7f\u7528\u7684\u9ed8\u8ba4\u7a97\u53e3\u5927\u5c0f\u589e\u52a0\u5230 768kb\uff0c\u5e76\u663e\u793a\u4e0a\u4f20 108mb \u6587\u4ef6\u73b0\u5728\u9700\u8981 4.3 \u79d2\uff0c\u800c\u4e4b\u524d\u9700\u8981 26.9 \u79d2\u3002\u65b0\u7684\u4e0a\u9650\u548c\u4e0b\u9650\u53d8\u4e3a 2.8 \u79d2 – 1.4 \u79d2\uff0c\u540c\u6837\u4e0d\u8003\u8651\u5f00\u9500\u3002<\/p>\n

    \u8fd9\u5c31\u63d0\u51fa\u4e86\u4e00\u4e2a\u95ee\u9898\uff0c\u4e3a\u4ec0\u4e48\u4e0d\u8ba9\u7a97\u53e3\u5c3d\u53ef\u80fd\u5927\u4ee5\u5141\u8bb8\u66f4\u5feb\u7684\u4e0a\u4f20\u5462\uff1f \u539f\u56e0\u662f\u4e00\u6b21\u53ef\u4ee5\u53d1\u9001\u591a\u5c11\u5b57\u8282\u4ecd\u7136\u5b58\u5728\u8fde\u63a5\u7ea7\u522b\u9650\u5236\uff0c\u5e76\u4e14\u8be5\u9650\u5236\u662f\u4e3a\u4e86\u907f\u514d\u4efb\u4f55\u5355\u4e2a\u8fde\u63a5\u5728\u670d\u52a1\u5668\u4e0a\u4f7f\u7528\u8fc7\u591a\u7684\u5185\u5b58\u3002<\/p>\n

    HTTP\/3<\/strong><\/p>\n

    ASP.NET Core 6 \u5f15\u5165\u4e86\u5bf9 HTTP\/3 \u7684\u5b9e\u9a8c\u6027\u652f\u6301\u3002 \u5728 7.0 \u4e2d\uff0cHTTP\/3 \u4e0d\u518d\u662f\u5b9e\u9a8c\u6027\u7684\uff0c\u4f46\u4ecd\u53ef\u9009\u62e9\u52a0\u5165\u3002 \u8bb8\u591a\u4f7f HTTP\/3 \u6210\u4e3a\u975e\u5b9e\u9a8c\u6027\u7684\u66f4\u6539\u90fd\u56f4\u7ed5\u7740\u53ef\u9760\u6027\u3001\u6b63\u786e\u6027\u548c\u6700\u7ec8\u786e\u5b9a API \u7684\u5f62\u5f0f\u3002 \u4f46\u8fd9\u5e76\u6ca1\u6709\u963b\u6b62\u6211\u4eec\u8fdb\u884c\u6027\u80fd\u6539\u8fdb\u3002<\/p>\n

    \u8ba9\u6211\u4eec\u4ece dotnet\/aspnetcore#38826<\/a> \u7684 900 \u500d\u6027\u80fd\u63d0\u5347\u5f00\u59cb\uff0c\u5b83\u63d0\u9ad8\u4e86 HTTP\/3 \u7528\u4e8e\u7f16\u7801\u6807\u5934\u7684 QPack \u7684\u6027\u80fd\u3002 \u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u90fd\u4f7f\u7528 QPack\uff0c\u6211\u4eec\u901a\u8fc7\u4e0e ASP.NET Core \u4e2d\u7684\u670d\u52a1\u5668\u4ee3\u7801\u548c .NET \u4e2d\u7684\u5ba2\u6237\u7aef\u4ee3\u7801 (HttpClient) \u5171\u4eab .NET QPack \u5b9e\u73b0\u6765\u5229\u7528\u8fd9\u4e00\u70b9\u3002 \u56e0\u6b64\uff0c\u5bf9 QPack \u7684\u4efb\u4f55\u6539\u8fdb\u90fd\u5c06\u6709\u76ca\u4e8e\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\uff01<\/p>\n

    QPack \u5904\u7406\u6807\u5934\u538b\u7f29\u4ee5\u66f4\u6709\u6548\u5730\u53d1\u9001\u548c\u63a5\u6536\u6807\u5934\u3002 dotnet\/aspnetcore#38565<\/a> \u4e3a QPack \u5f15\u5165\u4e86\u4e00\u5806\u5e38\u89c1\u7684\u5934\u6587\u4ef6\u3002 dotnet\/aspnetcore#38681<\/a> \u901a\u8fc7\u538b\u7f29\u4e00\u4e9b\u6807\u5934\u503c\u8fdb\u4e00\u6b65\u6539\u8fdb\u4e86 QPack\u3002<\/p>\n

    \u7ed9\u5b9aHeaders\uff1a<\/p>\n

    headers.ContentLength = 0;\r\nheaders.ContentType = \"application\/json\";\r\nheaders.Age = \"0\";\r\nheaders.AcceptRanges = \"bytes\";\r\nheaders.AccessControlAllowOrigin = \"*\";<\/pre>\n
    \u6700\u521d QPack \u7684\u8f93\u51fa\u662f 109 \u4e2a\u5b57\u8282\uff1a 0x00 0x00 0x37 0x05 0x63 0x6F 0x6E 0x74 0x65 0x6E 0x74 0x2D 0x74 0x79 0x70 0x65 …<\/span><\/p>\n
    \u7ecf\u8fc7\u4e0a\u9762\u7684\u4e24\u6b21\u6539\u52a8\u540e\uff0cQPack\u8f93\u51fa\u53d8\u6210\u5982\u4e0b7\u4e2a\u5b57\u8282\uff1a0x00 0x00 0xEE 0xE0 0xE3 0xC2 0xC4<\/span><\/p>\n
    \u67e5\u770b\u4ece 0x63<\/span> \u5b57\u8282\u5230 0x65<\/span> \u7684\u5b57\u8282\uff0c\u5b83\u4eec\u4ee3\u8868\u5341\u516d\u8fdb\u5236\u7684 ASCII \u5b57\u7b26\u4e32content-type<\/span>\u3002 \u5728 .NET 7 \u4e2d\uff0c\u6211\u4eec\u5c06\u8fd9\u4e9b\u538b\u7f29\u5230\u7d22\u5f15\u4e2d\uff0c\u56e0\u6b64\u672c\u793a\u4f8b\u4e2d\u7684\u6bcf\u4e2a\u6807\u5934\u90fd\u53d8\u6210\u4e86\u4e00\u4e2a\u5b57\u8282\u3002<\/p>\n
    \u5728\u66f4\u6539\u524d\u540e\u8fd0\u884c\u57fa\u51c6\u6d4b\u8bd5\u663e\u793a\u4e86 5 \u500d\u7684\u6539\u8fdb\u3002<\/p>\n\n\n\n\n
    \u66f4\u6539\u524d\uff1a<\/td>\n\u65b9\u6cd5<\/td>\n\u5747\u503c<\/td>\n\u9519\u8bef<\/td>\n\u6807\u51c6\u5dee<\/td>\n\u64cd\u4f5c\/\u79d2<\/td>\n<\/tr>\n
    DecodeHeaderFieldLine_Static_Multiple<\/td>\n235.32 ns<\/td>\n2.981 ns<\/td>\n2.788 ns<\/td>\n4,249,586.2<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
     <\/p>\n\n\n\n\n
    \u66f4\u6539\u540e\uff1a<\/td>\n\u65b9\u6cd5<\/td>\n\u5747\u503c<\/td>\n\u9519\u8bef<\/td>\n\u6807\u51c6\u5dee<\/td>\n\u64cd\u4f5c\/\u79d2<\/td>\n<\/tr>\n
    DecodeHeaderFieldLine_Static_Multiple<\/td>\n45.47 ns<\/td>\n0.556 ns<\/td>\n0.520 ns<\/td>\n21,992,040.2<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \u5176\u4ed6<\/strong><\/p>\n
    SignalR <\/strong><\/p>\n
    dotnet\/aspnetcore#41465<\/a> \u786e\u5b9a\u4e86 SignalR<\/a> \u4e2d\u7684\u4e00\u4e2a\u533a\u57df\uff0c\u6211\u4eec\u5728\u8be5\u533a\u57df\u4e2d\u4e00\u904d\u53c8\u4e00\u904d\u5730\u5206\u914d\u76f8\u540c\u7684\u5b57\u7b26\u4e32\u3002 \u901a\u8fc7\u7f13\u5b58\u5b57\u7b26\u4e32\u5e76\u5c06\u5b83\u4eec\u4e0e\u539f\u59cb Span<byte><\/span> \u8fdb\u884c\u6bd4\u8f83\u6765\u5220\u9664\u5206\u914d\u3002 \u8be5\u66f4\u6539\u786e\u5b9e\u4f7f\u4ee3\u7801\u8def\u5f84\u96f6\u5206\u914d\uff0c\u4f46\u5b83\u4f7f\u5fae\u57fa\u51c6\u6d4b\u8bd5\u6162\u4e86\u51e0\u7eb3\u79d2\uff08\u8fd9\u53ef\u80fd\u5f88\u597d\uff0c\u56e0\u4e3a\u6211\u4eec\u6b63\u5728\u964d\u4f4e\u5b8c\u6574\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684 GC \u538b\u529b\uff09\u3002 \u5c3d\u7ba1\u5982\u6b64\uff0c\u6211\u4eec\u5bf9\u6b64\u5e76\u4e0d\u5b8c\u5168\u6ee1\u610f\uff0c\u56e0\u6b64 dotnet\/aspnetcore#41644<\/a> \u6539\u8fdb\u4e86\u4fee\u6539\u3002 \u5b83\u5047\u5b9a\u533a\u5206\u5927\u5c0f\u5199\u7684\u6bd4\u8f83\u5c06\u662f\u6700\u5e38\u89c1\u7684\uff08\u5728\u6b64\u7528\u4f8b\u4e2d\u5e94\u8be5\u5982\u6b64\uff09\uff0c\u5e76\u5728\u8fdb\u884c\u76f8\u540c\u5927\u5c0f\u5199\u6bd4\u8f83\u65f6\u907f\u514d\u4f7f\u7528 UTF8 \u7f16\u7801\u3002 .NET 7 \u4ee3\u7801\u73b0\u5728\u53ef\u4ee5\u514d\u8d39\u4e14\u66f4\u5feb\u5730\u5206\u914d\u3002<\/p>\n\n\n\n\n\n\n
    \u65b9\u6cd5<\/td>\n\u610f\u601d<\/td>\n\u9519\u8bef<\/td>\n\u6807\u51c6\u5dee<\/td>\n\u7b2c0\u4ee3<\/td>\n\u5df2\u5206\u914d<\/td>\n<\/tr>\n
    StringLookup<\/td>\n100.19 ns<\/td>\n1.343 ns<\/td>\n1.256 ns<\/td>\n0.0038<\/td>\n32B<\/td>\n<\/tr>\n
    Utf8LookupBefore<\/td>\n109.24 ns<\/td>\n2.243 ns<\/td>\n2.203 ns<\/td>\n\u2013<\/td>\n\u2013<\/td>\n<\/tr>\n
    Utf8LookupAfter<\/td>\n85.20 ns<\/td>\n0.831 ns<\/td>\n0.777 ns<\/td>\n\u2013<\/td>\n\u2013<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
     <\/p>\n
    Auth<\/strong><\/p>\n
    \u6765\u81ea@Kahbazi<\/a> \u4e2d\u7684 dotnet\/aspnetcore#43210<\/a> \u7f13\u5b58\u4e86 PolicyAuthorizationResult<\/span>\uff0c\u56e0\u4e3a\u5b83\u4eec\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u5e76\u4e14\u5728\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5b83\u4eec\u662f\u4f7f\u7528\u76f8\u540c\u7684\u5c5e\u6027\u521b\u5efa\u7684\u3002 \u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u7b80\u5316\u7684\u57fa\u51c6\u6d4b\u8bd5\u6765\u4e86\u89e3\u8fd9\u6709\u591a\u6709\u6548\u3002<\/p>\n
    [MemoryDiagnoser]public class CachedBenchmark{\u00a0\u00a0\u00a0 private static readonly object _cachedObject = new object();\u00a0\u00a0\u00a0\u00a0 [Benchmark]\u00a0\u00a0\u00a0 public object GetObject()\u00a0\u00a0\u00a0 {\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 return new object();\u00a0\u00a0\u00a0 }\u00a0\u00a0\u00a0\u00a0 [Benchmark]\u00a0\u00a0\u00a0 public object GetCachedObject()\u00a0\u00a0\u00a0 {\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 return _cachedObject;\u00a0\u00a0\u00a0 }}<\/p>\n\n\n\n\n\n
    \u65b9\u6cd5<\/td>\n\u5747\u503c<\/td>\n\u9519\u8bef<\/td>\n\u6807\u51c6\u5dee<\/td>\n\u7b2c0\u4ee3<\/td>\n\u5df2\u5206\u914d<\/td>\n<\/tr>\n
    GetObject<\/td>\n3.5884 ns<\/td>\n0.0488 ns<\/td>\n0.0432 ns<\/td>\n0.0029<\/td>\n24B<\/td>\n<\/tr>\n
    GetCachedObject<\/td>\n0.7896 ns<\/td>\n0.0439 ns<\/td>\n0.0389 ns<\/td>\n\u2013<\/td>\n\u2013<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
     <\/p>\n
    dotnet\/aspnetcore#43268<\/a>\uff0c\u540c\u6837\u6765\u81ea@Kahbazi<\/a>\uff0c\u5bf9 Authentication \u4e2d\u7684\u591a\u79cd\u7c7b\u578b\u5e94\u7528\u4e86\u76f8\u540c\u7684\u66f4\u6539\uff0c\u5e76\u5728\u89e3\u6790\u6388\u6743\u7b56\u7565\u65f6\u989d\u5916\u6dfb\u52a0\u4e86 Task<AuthorizationPolicy> \u7684\u7f13\u5b58\u3002 \u670d\u52a1\u5668\u5728\u542f\u52a8\u65f6\u4e86\u89e3\u6388\u6743\u7b56\u7565\uff0c\u56e0\u6b64\u5b83\u53ef\u4ee5\u9884\u5148\u521b\u5efa\u6240\u6709\u4efb\u52a1\u5e76\u4fdd\u5b58\u6bcf\u4e2a\u8bf7\u6c42\u7684\u4efb\u52a1\u5206\u914d\u3002<\/p>\n
    [MemoryDiagnoser]\r\npublic class CachedBenchmark\r\n{\r\n    private static readonly object _cachedObject = new object();\r\n\r\n    [Benchmark]\r\n    public object GetObject()\r\n    {\r\n        return new object();\r\n    }\r\n\r\n    [Benchmark]\r\n    public object GetCachedObject()\r\n    {\r\n        return _cachedObject;\r\n    }\r\n}<\/pre>\n\n\n\n\n\n
    \u65b9\u6cd5<\/td>\n\u5747\u503c<\/td>\n\u9519\u8bef<\/td>\n\u6807\u51c6\u5dee<\/td>\n\u6bd4\u7387<\/td>\n\u7b2c0\u4ee3<\/td>\n\u5df2\u5206\u914d<\/td>\n<\/tr>\n
    GetTask<\/td>\n22.59 ns<\/td>\n0.322 ns<\/td>\n0.285 ns<\/td>\n1.00<\/td>\n0.0092<\/td>\n72B<\/td>\n<\/tr>\n
    GetCachedTask<\/td>\n11.70 ns<\/td>\n0.065 ns<\/td>\n0.055 ns<\/td>\n0.52<\/td>\n\u2013<\/td>\n\u2013<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    dotnet\/aspnetcore#43124<\/a> \u5c06\u7f13\u5b58\u6dfb\u52a0\u5230\u6388\u6743\u4e2d\u95f4\u4ef6\uff0c\u8fd9\u5c06\u907f\u514d\u9488\u5bf9\u6bcf\u4e2a\u7aef\u70b9\u7684\u6bcf\u4e2a\u8bf7\u6c42\u91cd\u65b0\u8ba1\u7b97\u7ec4\u5408\u7684 AuthorizationPolicy\u3002 \u56e0\u4e3a\u7aef\u70b9\u5728\u542f\u52a8\u540e\u901a\u5e38\u4fdd\u6301\u4e0d\u53d8\uff0c\u6211\u4eec\u4e0d\u9700\u8981\u4e3a\u6bcf\u4e2a\u8bf7\u6c42\u4ece\u7aef\u70b9\u83b7\u53d6\u6388\u6743\u5143\u6570\u636e\u5e76\u5c06\u5b83\u4eec\u7ec4\u5408\u6210\u4e00\u4e2a\u7b56\u7565\u3002 \u76f8\u53cd\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u9996\u6b21\u8bbf\u95ee\u7aef\u70b9\u65f6\u7f13\u5b58\u7ec4\u5408\u7b56\u7565\u3002 \u5982\u679c\u60a8\u5b9e\u73b0\u81ea\u5b9a\u4e49 IAuthorizationPolicyProvider \u53ef\u4ee5\u663e\u7740\u8282\u7701\u7f13\u5b58\uff0c\u8fd9\u4e9b IAuthorizationPolicyProvider \u5177\u6709\u6602\u8d35\u7684\u64cd\u4f5c\uff0c\u5982\u6570\u636e\u5e93\u8bbf\u95ee\uff0c\u5e76\u4e14\u53ea\u9700\u8981\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f\u5185\u8fd0\u884c\u4e00\u6b21\u3002<\/p>\n
    HttpResult<\/strong><\/p>\n
    dotnet\/aspnetcore#40965<\/a> \u662f\u63a2\u7d22\u591a\u6761\u8def\u7531\u4ee5\u5b9e\u73b0\u66f4\u597d\u6027\u80fd\u7684\u7edd\u4f73\u793a\u4f8b\u3002 \u76ee\u6807\u662f\u7f13\u5b58 HttpResult \u7c7b\u578b\u3002 \u5927\u591a\u6570\u7ed3\u679c\u7c7b\u578b\u7c7b\u4f3c\u4e8e UnauthorizedHttpResult\uff0c\u5b83\u6ca1\u6709\u53c2\u6570\uff0c\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u4e00\u6b21\u9759\u6001\u5b9e\u4f8b\u5e76\u59cb\u7ec8\u8fd4\u56de\u5b83\u6765\u7f13\u5b58\u3002 \u4e00\u4e2a\u66f4\u6709\u8da3\u7684\u7ed3\u679c\u662f StatusCodeHttpResult\uff0c\u53ef\u4ee5\u7ed9\u5b83\u4efb\u4f55\u6574\u6570\u6765\u8868\u793a\u8fd4\u56de\u7ed9\u8c03\u7528\u8005\u7684\u72b6\u6001\u7801\u3002 PR \u63a2\u7d22\u4e86\u591a\u79cd\u7f13\u5b58 StatusCodeHttpResult \u5bf9\u8c61\u7684\u65b9\u6cd5\uff0c\u5e76\u5c55\u793a\u4e86\u6bcf\u79cd\u65b9\u6cd5\u7684\u6027\u80fd\u6570\u636e\u3002<\/p>\n\n\n\n\n\n\n\n\n\n\n
    \u5df2\u77e5\u72b6\u6001\u7801\uff08\u4f8b\u5982 200\uff09\uff1a<\/td>\n\u65b9\u6cd5<\/td>\n\u5747\u503c<\/td>\n\u9519\u8bef<\/td>\n\u6807\u51c6\u5dee<\/td>\n0\u4ee3<\/td>\n\u5df2\u5206\u914d<\/td>\n<\/tr>\n
    NoCache<\/td>\n2.725 ns<\/td>\n0.0285 ns<\/td>\n0.0253 ns<\/td>\n0.0001<\/td>\n24B<\/td>\n<\/td>\n<\/tr>\n
    StaticCacheWithDictionary<\/td>\n5.733 ns<\/td>\n0.0373 ns<\/td>\n0.0331 ns<\/td>\n\u2013<\/td>\n\u2013<\/td>\n<\/td>\n<\/tr>\n
    DynamicCacheWithFixedSizeArray<\/td>\n2.184 ns<\/td>\n0.0227 ns<\/td>\n0.0212 ns<\/td>\n\u2013<\/td>\n\u2013<\/td>\n<\/td>\n<\/tr>\n
    DynamicCacheWithFixedSizeArrayPerStatusGroup<\/td>\n3.371 ns<\/td>\n0.0151 ns<\/td>\n0.0134 ns<\/td>\n\u2013<\/td>\n\u2013<\/td>\n<\/td>\n<\/tr>\n
    DynamicCacheWithConcurrentDictionary<\/td>\n5.450 ns<\/td>\n0.1495 ns<\/td>\n0.1468 ns<\/td>\n\u2013<\/td>\n\u2013<\/td>\n<\/td>\n<\/tr>\n
    StaticCacheWithSwitchExpression<\/td>\n1.867 ns<\/td>\n0.0045 ns<\/td>\n0.0042 ns<\/td>\n\u2013<\/td>\n\u2013<\/td>\n<\/td>\n<\/tr>\n
    DynamicCacheWithSwitchExpression<\/td>\n1.889 ns<\/td>\n0.0143 ns<\/td>\n0.0119 ns<\/td>\n\u2013<\/td>\n\u2013<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
     <\/p>\n\n\n\n\n\n\n\n\n\n\n
    \u672a\u77e5\u72b6\u6001\u7801\uff08\u4f8b\u5982 150\uff09\uff1a<\/td>\n\u65b9\u6cd5<\/td>\n\u5747\u503c<\/td>\n\u9519\u8bef<\/td>\n\u6807\u51c6\u5dee<\/td>\n0\u4ee3<\/td>\n\u5df2\u5206\u914d<\/td>\n<\/tr>\n
    NoCache<\/td>\n2.477 ns<\/td>\n0.0818 ns<\/td>\n0.1005 ns<\/td>\n0.0001<\/td>\n24B<\/td>\n<\/td>\n<\/tr>\n
    StaticCacheWithDictionary<\/td>\n8.479 ns<\/td>\n0.0650 ns<\/td>\n0.0576 ns<\/td>\n0.0001<\/td>\n24B<\/td>\n<\/tr>\n
    DynamicCacheWithFixedSizeArray<\/td>\n2.234 ns<\/td>\n0.0361 ns<\/td>\n0.0302 ns<\/td>\n\u2013<\/td>\n\u2013<\/td>\n<\/tr>\n
    DynamicCacheWithFixedSizeArrayPerStatusGroup<\/td>\n4.809 ns<\/td>\n0.0360 ns<\/td>\n0.0281 ns<\/td>\n0.0001<\/td>\n24B<\/td>\n<\/tr>\n
    DynamicCacheWithConcurrentDictionary<\/td>\n6.076 ns<\/td>\n0.0672 ns<\/td>\n0.0595 ns<\/td>\n\u2013<\/td>\n\u2013<\/td>\n<\/tr>\n
    StaticCacheWithSwitchExpression<\/td>\n4.195 ns<\/td>\n0.0823 ns<\/td>\n0.0770 ns<\/td>\n0.0001<\/td>\n24B<\/td>\n<\/tr>\n
    DynamicCacheWithSwitchExpression<\/td>\n4.146 ns<\/td>\n0.0401 ns<\/td>\n0.0335 ns<\/td>\n0.0001<\/td>\n24B<\/p>\n
     <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \u6211\u4eec\u6700\u7ec8\u9009\u62e9\u4e86\u201cStaticCacheWithSwitchExpression\u201d\uff0c\u5b83\u4f7f\u7528 T4 \u6a21\u677f<\/a>\u4e3a\u4f17\u6240\u5468\u77e5\u7684\u72b6\u6001\u4ee3\u7801\u751f\u6210\u7f13\u5b58\u5b57\u6bb5\uff0c\u5e76\u4f7f\u7528 switch \u8868\u8fbe\u5f0f\u8fd4\u56de\u5b83\u4eec\u3002 \u8fd9\u79cd\u65b9\u6cd5\u4e3a\u5df2\u77e5\u72b6\u6001\u4ee3\u7801\u63d0\u4f9b\u4e86\u6700\u4f73\u6027\u80fd\uff0c\u8fd9\u5c06\u662f\u5927\u591a\u6570\u5e94\u7528\u7a0b\u5e8f\u7684\u5e38\u89c1\u60c5\u51b5\u3002<\/p>\n
    IndexOfAny<\/strong><\/p>\n
    \u6765\u81ea@martincostello \u7684dotnet\/aspnetcore#39743<\/a> \u6ce8\u610f\u5230\u6211\u4eec\u5c06\u957f\u5ea6\u4e3a2 \u7684char[]<\/span> \u4f20\u9012\u7ed9string.IndexOfAny<\/span> \u7684\u4e00\u4e9b\u5730\u65b9\u3002 char \u6570\u7ec4\u91cd\u8f7d\u6bd4\u5c06 2 \u4e2a\u5b57\u7b26\u76f4\u63a5\u4f20\u9012\u7ed9 ReadOnlySpan<char>.IndexOfAny<\/span> \u65b9\u6cd5\u8981\u6162\u3002 \u6b64\u66f4\u6539\u66f4\u65b0\u4e86\u591a\u4e2a\u8c03\u7528\u7ad9\u70b9\u4ee5\u5220\u9664 char[]<\/span> \u5e76\u4f7f\u7528\u66f4\u5feb\u7684\u65b9\u6cd5\u3002 \u8bf7\u6ce8\u610f\uff0cIndexOfAny<\/span> \u4e3a 2 \u548c 3 \u4e2a\u5b57\u7b26\u63d0\u4f9b\u6b64\u65b9\u6cd5\u3002<\/p>\n
    public class IndexOfAnyBenchmarks\r\n{\r\n    private const string AUrlWithAPathAndQueryString = \"http:\/\/www.example.com\/path\/to\/file.html?query=string\";\r\n    private static readonly char[] QueryStringAndFragmentTokens = new[] { '?', '#' };\r\n\r\n    [Benchmark(Baseline = true)]\r\n    public int IndexOfAny_String()\r\n    {\r\n        return AUrlWithAPathAndQueryString.IndexOfAny(QueryStringAndFragmentTokens);\r\n    }\r\n\r\n    [Benchmark]\r\n    public int IndexOfAny_Span_Array()\r\n    {\r\n        return AUrlWithAPathAndQueryString.AsSpan().IndexOfAny(QueryStringAndFragmentTokens);\r\n    }\r\n\r\n    [Benchmark]\r\n    public int IndexOfAny_Span_Two_Chars()\r\n    {\r\n        return AUrlWithAPathAndQueryString.AsSpan().IndexOfAny('?', '#');\r\n    }\r\n}<\/pre>\n\n\n\n\n\n\n
    \u65b9\u6cd5<\/td>\n\u5747\u503c<\/td>\n\u9519\u8bef<\/td>\n\u6807\u51c6\u5dee<\/td>\n\u6bd4\u7387<\/td>\n<\/tr>\n
    IndexOfAny_String<\/td>\n7.004 ns<\/td>\n0.1166 ns<\/td>\n0.1091 ns<\/td>\n1.00<\/td>\n<\/tr>\n
    IndexOfAny_Span_Array<\/td>\n6.847 ns<\/td>\n0.0371 ns<\/td>\n0.0347 ns<\/td>\n0.98<\/td>\n<\/tr>\n
    IndexOfAny_Span_Two_Chars<\/td>\n5.161 ns<\/td>\n0.0697 ns<\/td>\n0.0582 ns<\/td>\n0.73<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \u8fc7\u6ee4\u5668<\/strong><\/p>\n
    \u5728 .NET 7 \u4e2d\uff0c\u6211\u4eec\u4e3a Minimal API \u5f15\u5165\u4e86\u8fc7\u6ee4\u5668\u3002 \u5728\u8bbe\u8ba1\u8be5\u529f\u80fd\u65f6\uff0c\u6211\u4eec\u975e\u5e38\u6ce8\u91cd\u6027\u80fd\u3002 \u6211\u4eec\u5728\u9884\u89c8\u671f\u95f4\u5206\u6790\u4e86\u8fc7\u6ee4\u5668\uff0c\u4ee5\u627e\u5230\u5728\u529f\u80fd\u521d\u59cb\u5408\u5e76\u540e\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u6027\u80fd\u7684\u9886\u57df\u3002<\/p>\n
    dotnet\/aspnetcore#41740<\/a> \u4fee\u590d\u4e86\u6211\u4eec\u5728\u4f7f\u7528\u8fc7\u6ee4\u5668\u65f6\u4e3a\u6bcf\u4e2a\u5bf9\u65e0\u53c2\u6570\u7aef\u70b9\u7684\u8bf7\u6c42\u5206\u914d\u4e00\u4e2a\u7a7a\u6570\u7ec4\u7684\u60c5\u51b5\u3002 \u8fd9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 Array.Empty<object>() \u800c\u4e0d\u662f new object[0] \u6765\u89e3\u51b3\u3002 \u8fd9\u4f3c\u4e4e\u5f88\u660e\u663e\uff0c\u4f46\u662f\u5728\u7f16\u5199\u8868\u8fbe\u5f0f\u6811<\/a>\u65f6\uff0c\u8fd9\u5f88\u5bb9\u6613\u505a\u5230\u3002<\/p>\n
    dotnet\/aspnetcore#41379<\/a> \u5220\u9664\u4e86 Minimal API \u4e2d ValueTask<object> \u8fd4\u56de\u65b9\u6cd5\u7684\u88c5\u7bb1<\/a>\u5206\u914d\uff0c\u8fd9\u662f\u7528\u4e8e\u5305\u88c5\u7528\u6237\u63d0\u4f9b\u7684\u59d4\u6258\u7684\u8fc7\u6ee4\u5668\u3002 \u5220\u9664\u88c5\u7bb1\u4f7f\u5f97\u6dfb\u52a0\u8fc7\u6ee4\u5668\u7684\u552f\u4e00\u5f00\u9500\u662f\u5206\u914d\u4e00\u4e2a\u4e0a\u4e0b\u6587\u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u5141\u8bb8\u7528\u6237\u4ee3\u7801\u68c0\u67e5\u4ece\u8bf7\u6c42\u5230\u5176\u7aef\u70b9\u7684\u53c2\u6570\u3002<\/p>\n
    dotnet\/aspnetcore#41406<\/a> \u901a\u8fc7\u5728\u7aef\u70b9\u4e2d\u6dfb\u52a0 1 \u5230 10 \u4e2a\u53c2\u6570,\u53c2\u6570\u7684\u901a\u7528\u7c7b\u5b9e\u73b0\u6539\u8fdb\u4e86\u521b\u5efa\u8fc7\u6ee4\u4e0a\u4e0b\u6587\u5bf9\u8c61\u7684\u5206\u914d\u3002 \u6b64\u66f4\u6539\u907f\u514d\u4e86\u7528\u4e8e\u4fdd\u5b58\u53c2\u6570\u503c\u7684 object[] \u5206\u914d\u4ee5\u53ca\u4f7f\u7528\u7ed3\u6784\u53c2\u6570\u65f6\u53ef\u80fd\u53d1\u751f\u7684\u4efb\u4f55\u88c5\u7bb1\u3002 \u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u7b80\u5316\u7684\u793a\u4f8b\u6765\u663e\u793a\u6539\u8fdb\uff1a<\/p>\n
    [MemoryDiagnoser]\r\npublic class FilterContext\r\n{\r\n    internal abstract class Context\r\n    {\r\n        public abstract T GetArgument<T>(int index);\r\n    }\r\n\r\n    internal sealed class DefaultContext : Context\r\n    {\r\n        public DefaultContext(params object[] arguments)\r\n        {\r\n            Arguments = arguments;\r\n        }\r\n\r\n        private IList<object?> Arguments { get; }\r\n\r\n        public override T GetArgument<T>(int index)\r\n        {\r\n            return (T)Arguments[index]!;\r\n        }\r\n    }\r\n\r\n    internal sealed class Context<T0> : Context\r\n    {\r\n        public Context(T0 argument)\r\n        {\r\n            Arg0 = argument;\r\n        }\r\n\r\n        public T0 Arg0 { get; set; }\r\n\r\n        public override T GetArgument<T>(int index)\r\n        {\r\n            return index switch\r\n            {\r\n                0 => (T)(object)Arg0!,\r\n                _ => throw new IndexOutOfRangeException()\r\n            };\r\n        }\r\n    }\r\n\r\n    [Benchmark]\r\n    public TimeSpan GetArgBoxed()\r\n    {\r\n        var defaultContext = new DefaultContext(new TimeSpan());\r\n        return defaultContext.GetArgument<TimeSpan>(0);\r\n    }\r\n\r\n    [Benchmark]\r\n    public TimeSpan GetArg()\r\n    {\r\n        var typedContext = new Context<TimeSpan>(new TimeSpan());\r\n        return typedContext.GetArgument<TimeSpan>(0);\r\n    }\r\n}<\/pre>\n\n\n\n\n\n
    \u65b9\u6cd5<\/td>\n\u5747\u503c<\/td>\n\u9519\u8bef<\/td>\n\u6807\u51c6\u5dee<\/td>\n\u7b2c0\u4ee3<\/td>\n\u5df2\u5206\u914d<\/td>\n<\/tr>\n
    GetArgBoxed<\/td>\n16.865 ns<\/td>\n0.1878 ns<\/td>\n0.1466 ns<\/td>\n0.0102<\/td>\n80B<\/td>\n<\/tr>\n
    GetArg<\/td>\n3.292 ns<\/td>\n0.0806 ns<\/td>\n0.0792 ns<\/td>\n0.0031<\/td>\n24B<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n<\/strong>\u603b\u7ed3<\/strong><\/p>\n
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    \u611f\u8c22\u60a8\u6210\u4e3a.NET\u4e2d\u7684\u4e00\u5458\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
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