1 Commits

Author	SHA1	Message	Date
Kashiwa	f6ba4abd2d	perf: improve copyZeroAlloc for File and TCPConn (#1893) ... Improve performance of `copyZeroAlloc` function ``` goos: linux goarch: amd64 pkg: github.com/valyala/fasthttp cpu: QEMU Virtual CPU version 2.5+ │ old6.txt │ new7.txt │ │ sec/op │ sec/op vs base │ CopyZeroAllocOSFileToBytesBuffer-8 1.802µ ± 3% 1.303µ ± 2% -27.69% (p=0.000 n=25) CopyZeroAllocBytesBufferToOSFile-8 1.066µ ± 17% 1.048µ ± 1% -1.69% (p=0.043 n=25) CopyZeroAllocOSFileToStringsBuilder-8 9.477µ ± 0% 1.345µ ± 2% -85.81% (p=0.000 n=25) CopyZeroAllocIOLimitedReaderToOSFile-8 1.031µ ± 1% 1.092µ ± 4% +5.92% (p=0.000 n=25) CopyZeroAllocOSFileToOSFile-8 12.132µ ± 1% 2.386µ ± 2% -80.33% (p=0.000 n=25) CopyZeroAllocOSFileToNetConn-8 2.009µ ± 2% 1.995µ ± 2% ~ (p=0.733 n=25) CopyZeroAllocNetConnToOSFile-8 21.86µ ± 2% 20.21µ ± 1% -7.56% (p=0.000 n=25) geomean 3.728µ 2.121µ -43.11% │ old6.txt │ new7.txt │ │ B/op │ B/op vs base │ CopyZeroAllocOSFileToBytesBuffer-8 40.00 ± 0% 0.00 ± 0% -100.00% (p=0.000 n=25) CopyZeroAllocBytesBufferToOSFile-8 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=25) ¹ CopyZeroAllocOSFileToStringsBuilder-8 32.04Ki ± 0% 0.00Ki ± 0% -100.00% (p=0.000 n=25) CopyZeroAllocIOLimitedReaderToOSFile-8 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=25) ¹ CopyZeroAllocOSFileToOSFile-8 32.06Ki ± 0% 0.00Ki ± 0% -100.00% (p=0.000 n=25) CopyZeroAllocOSFileToNetConn-8 96.00 ± 0% 96.00 ± 0% ~ (p=1.000 n=25) ¹ CopyZeroAllocNetConnToOSFile-8 16.000 ± 6% 8.000 ± 12% -50.00% (p=0.000 n=25) geomean ² ? ² ³ ¹ all samples are equal ² summaries must be >0 to compute geomean ³ ratios must be >0 to compute geomean │ old6.txt │ new7.txt │ │ allocs/op │ allocs/op vs base │ CopyZeroAllocOSFileToBytesBuffer-8 4.000 ± 0% 0.000 ± 0% -100.00% (p=0.000 n=25) CopyZeroAllocBytesBufferToOSFile-8 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=25) ¹ CopyZeroAllocOSFileToStringsBuilder-8 5.000 ± 0% 0.000 ± 0% -100.00% (p=0.000 n=25) CopyZeroAllocIOLimitedReaderToOSFile-8 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=25) ¹ CopyZeroAllocOSFileToOSFile-8 8.000 ± 0% 0.000 ± 0% -100.00% (p=0.000 n=25) CopyZeroAllocOSFileToNetConn-8 6.000 ± 0% 6.000 ± 0% ~ (p=1.000 n=25) ¹ CopyZeroAllocNetConnToOSFile-8 2.000 ± 0% 1.000 ± 0% -50.00% (p=0.000 n=25) geomean ² ? ² ³ ¹ all samples are equal ² summaries must be >0 to compute geomean ³ ratios must be >0 to compute geomean ``` ``` goos: windows goarch: amd64 pkg: github.com/valyala/fasthttp cpu: Intel(R) Core(TM) i5-8250U CPU @ 1.60GHz │ old_win.txt │ new_win.txt │ │ sec/op │ sec/op vs base │ CopyZeroAllocOSFileToBytesBuffer-8 4.347µ ± 7% 4.220µ ± 11% ~ (p=0.211 n=25) CopyZeroAllocBytesBufferToOSFile-8 1.408µ ± 12% 1.460µ ± 7% ~ (p=0.427 n=25) CopyZeroAllocOSFileToStringsBuilder-8 17.448µ ± 5% 3.613µ ± 9% -79.29% (p=0.000 n=25) CopyZeroAllocIOLimitedReaderToOSFile-8 1.324µ ± 8% 1.257µ ± 6% -5.06% (p=0.024 n=25) CopyZeroAllocOSFileToOSFile-8 19.953µ ± 8% 4.846µ ± 7% -75.71% (p=0.000 n=25) CopyZeroAllocOSFileToNetConn-8 18.18µ ± 8% 18.22µ ± 7% ~ (p=0.405 n=25) CopyZeroAllocNetConnToOSFile-8 74.75µ ± 2% 68.10µ ± 3% -8.90% (p=0.000 n=25) geomean 8.720µ 5.579µ -36.02% │ old_win.txt │ new_win.txt │ │ B/op │ B/op vs base │ CopyZeroAllocOSFileToBytesBuffer-8 8.000 ± 0% 0.000 ± 0% -100.00% (p=0.000 n=25) CopyZeroAllocBytesBufferToOSFile-8 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=25) ¹ CopyZeroAllocOSFileToStringsBuilder-8 32.01Ki ± 0% 0.00Ki ± 0% -100.00% (p=0.000 n=25) CopyZeroAllocIOLimitedReaderToOSFile-8 9.000 ± 0% 0.000 ± 0% -100.00% (p=0.000 n=25) CopyZeroAllocOSFileToOSFile-8 32.02Ki ± 0% 0.00Ki ± 0% -100.00% (p=0.000 n=25) CopyZeroAllocOSFileToNetConn-8 32.02Ki ± 0% 32.02Ki ± 0% ~ (p=1.000 n=25) ¹ CopyZeroAllocNetConnToOSFile-8 32.02Ki ± 0% 32.02Ki ± 0% -0.00% (p=0.012 n=25) geomean ² ? ² ³ ¹ all samples are equal ² summaries must be >0 to compute geomean ³ ratios must be >0 to compute geomean │ old_win.txt │ new_win.txt │ │ allocs/op │ allocs/op vs base │ CopyZeroAllocOSFileToBytesBuffer-8 1.000 ± 0% 0.000 ± 0% -100.00% (p=0.000 n=25) CopyZeroAllocBytesBufferToOSFile-8 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=25) ¹ CopyZeroAllocOSFileToStringsBuilder-8 2.000 ± 0% 0.000 ± 0% -100.00% (p=0.000 n=25) CopyZeroAllocIOLimitedReaderToOSFile-8 2.000 ± 0% 0.000 ± 0% -100.00% (p=0.000 n=25) CopyZeroAllocOSFileToOSFile-8 3.000 ± 0% 0.000 ± 0% -100.00% (p=0.000 n=25) CopyZeroAllocOSFileToNetConn-8 3.000 ± 0% 3.000 ± 0% ~ (p=1.000 n=25) ¹ CopyZeroAllocNetConnToOSFile-8 3.000 ± 0% 3.000 ± 0% ~ (p=1.000 n=25) ¹ geomean ² ? ² ³ ¹ all samples are equal ² summaries must be >0 to compute geomean ³ ratios must be >0 to compute geomean ```	2024-11-08 06:02:43 +01:00