diff options
author | Andy Pan <panjf2000@gmail.com> | 2023-02-28 16:39:15 +0800 |
---|---|---|
committer | Damien Neil <dneil@google.com> | 2023-11-17 23:16:28 +0000 |
commit | f664031bc17629080332a1c7bede38d67fd32e47 (patch) | |
tree | 3b45f0b089e5030276472d119909923ad952f72c /api | |
parent | f67b2d8f0bcadb59461b7a33bc1c23649ce8eb85 (diff) | |
download | go-f664031bc17629080332a1c7bede38d67fd32e47.tar.gz go-f664031bc17629080332a1c7bede38d67fd32e47.zip |
net,os: arrange zero-copy of os.File and net.TCPConn to net.UnixConn
Fixes #58808
goos: linux
goarch: amd64
pkg: net
cpu: DO-Premium-Intel
│ old │ new │
│ sec/op │ sec/op vs base │
Splice/tcp-to-unix/1024-4 3.783µ ± 10% 3.201µ ± 7% -15.40% (p=0.001 n=10)
Splice/tcp-to-unix/2048-4 3.967µ ± 13% 3.818µ ± 16% ~ (p=0.971 n=10)
Splice/tcp-to-unix/4096-4 4.988µ ± 16% 4.590µ ± 11% ~ (p=0.089 n=10)
Splice/tcp-to-unix/8192-4 6.981µ ± 13% 5.236µ ± 9% -25.00% (p=0.000 n=10)
Splice/tcp-to-unix/16384-4 10.192µ ± 9% 7.350µ ± 7% -27.89% (p=0.000 n=10)
Splice/tcp-to-unix/32768-4 19.65µ ± 13% 10.28µ ± 16% -47.69% (p=0.000 n=10)
Splice/tcp-to-unix/65536-4 41.89µ ± 18% 15.70µ ± 13% -62.52% (p=0.000 n=10)
Splice/tcp-to-unix/131072-4 90.05µ ± 11% 29.55µ ± 10% -67.18% (p=0.000 n=10)
Splice/tcp-to-unix/262144-4 170.24µ ± 15% 52.66µ ± 4% -69.06% (p=0.000 n=10)
Splice/tcp-to-unix/524288-4 326.4µ ± 13% 109.3µ ± 11% -66.52% (p=0.000 n=10)
Splice/tcp-to-unix/1048576-4 651.4µ ± 9% 228.3µ ± 14% -64.95% (p=0.000 n=10)
geomean 29.42µ 15.62µ -46.90%
│ old │ new │
│ B/s │ B/s vs base │
Splice/tcp-to-unix/1024-4 258.2Mi ± 11% 305.2Mi ± 8% +18.21% (p=0.001 n=10)
Splice/tcp-to-unix/2048-4 492.5Mi ± 15% 511.7Mi ± 13% ~ (p=0.971 n=10)
Splice/tcp-to-unix/4096-4 783.5Mi ± 14% 851.2Mi ± 12% ~ (p=0.089 n=10)
Splice/tcp-to-unix/8192-4 1.093Gi ± 11% 1.458Gi ± 8% +33.36% (p=0.000 n=10)
Splice/tcp-to-unix/16384-4 1.497Gi ± 9% 2.076Gi ± 7% +38.67% (p=0.000 n=10)
Splice/tcp-to-unix/32768-4 1.553Gi ± 11% 2.969Gi ± 14% +91.17% (p=0.000 n=10)
Splice/tcp-to-unix/65536-4 1.458Gi ± 23% 3.888Gi ± 11% +166.69% (p=0.000 n=10)
Splice/tcp-to-unix/131072-4 1.356Gi ± 10% 4.131Gi ± 9% +204.72% (p=0.000 n=10)
Splice/tcp-to-unix/262144-4 1.434Gi ± 13% 4.637Gi ± 4% +223.32% (p=0.000 n=10)
Splice/tcp-to-unix/524288-4 1.497Gi ± 15% 4.468Gi ± 10% +198.47% (p=0.000 n=10)
Splice/tcp-to-unix/1048576-4 1.501Gi ± 10% 4.277Gi ± 16% +184.88% (p=0.000 n=10)
geomean 1.038Gi 1.954Gi +88.28%
│ old │ new │
│ B/op │ B/op vs base │
Splice/tcp-to-unix/1024-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/2048-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/4096-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/8192-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/16384-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/32768-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/65536-4 1.000 ± ? 0.000 ± 0% -100.00% (p=0.001 n=10)
Splice/tcp-to-unix/131072-4 2.000 ± 0% 0.000 ± 0% -100.00% (p=0.000 n=10)
Splice/tcp-to-unix/262144-4 4.000 ± 25% 0.000 ± 0% -100.00% (p=0.000 n=10)
Splice/tcp-to-unix/524288-4 7.500 ± 33% 0.000 ± 0% -100.00% (p=0.000 n=10)
Splice/tcp-to-unix/1048576-4 17.00 ± 12% 0.00 ± 0% -100.00% (p=0.000 n=10)
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 │ new │
│ allocs/op │ allocs/op vs base │
Splice/tcp-to-unix/1024-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/2048-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/4096-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/8192-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/16384-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/32768-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/65536-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/131072-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/262144-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/524288-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
Splice/tcp-to-unix/1048576-4 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10) ¹
geomean ² +0.00% ²
¹ all samples are equal
² summaries must be >0 to compute geomean
Change-Id: I829061b009a0929a8ef1a15c183793c0b9104dde
Reviewed-on: https://go-review.googlesource.com/c/go/+/472475
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Diffstat (limited to 'api')
-rw-r--r-- | api/next/58808.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/api/next/58808.txt b/api/next/58808.txt new file mode 100644 index 0000000000..f1105c3168 --- /dev/null +++ b/api/next/58808.txt @@ -0,0 +1,2 @@ +pkg net, method (*TCPConn) WriteTo(io.Writer) (int64, error) #58808 +pkg os, method (*File) WriteTo(io.Writer) (int64, error) #58808 |