go/api/next
Andy Pan f664031bc1 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>
2023-11-17 23:16:28 +00:00
..
50102.txt archive/tar: add FileInfoNames interface 2023-08-07 00:25:25 +00:00
50489.txt math/big: implement Rat.FloatPrec 2023-11-14 00:44:42 +00:00
51246.txt syscall: add support to get pidfd from ForkExec on Linux 2023-09-07 19:11:15 +00:00
51971.txt net/http: add ServeFileFS, FileServerFS, NewFileTransportFS 2023-08-07 17:07:12 +00:00
53693.txt encoding: add AppendEncode and AppendDecode 2023-08-17 16:23:42 +00:00
54898.txt archive/zip: add AddFS method to zip Writer 2023-07-31 18:10:41 +00:00
56353.txt slices: add Concat 2023-08-08 14:31:39 +00:00
57178.txt crypto/x509: implement AddCertWithConstraint 2023-11-09 19:41:40 +00:00
58000.txt archive/tar: add AddFS method to Writer 2023-09-13 13:59:01 +00:00
58808.txt net,os: arrange zero-copy of os.File and net.TCPConn to net.UnixConn 2023-11-17 23:16:28 +00:00
59599.txt reflect: deprecate PtrTo 2023-07-27 23:28:51 +00:00
60061.txt go/ast: add Unparen(Expr) helper 2023-07-20 20:19:51 +00:00
60088.txt reflect: add TypeFor 2023-07-31 15:50:15 +00:00
60204.txt cmp: add Or 2023-09-25 14:30:20 +00:00
60370.txt database/sql: add Null[T] 2023-08-07 14:26:37 +00:00
60665.txt crypto/x509: add new OID type and use it in Certificate 2023-10-31 19:22:19 +00:00
61410.txt net/http: implement path value methods on Request 2023-09-14 00:00:28 +00:00
61619.txt html/template: support parsing complex JS template literals 2023-10-02 15:18:39 +00:00
61642.txt net/netip: add AddrPort.Compare and Prefix.Compare 2023-09-11 20:26:41 +00:00
61716.txt math/rand/v2: delete Mitchell/Reeds source 2023-10-30 17:09:26 +00:00
61758.txt testing/slogtest: add Run to run cases as subtests 2023-09-08 20:37:12 +00:00
61870.txt io: add (*SectionReader).Outer() 2023-10-09 22:04:41 +00:00
61974.txt debug/elf,cmd/link: add additional MIPS64 relocation type 2023-09-08 04:32:10 +00:00
62037.txt go/types, types2: implement Info.PkgNameOf 2023-11-11 02:02:35 +00:00
62039.txt go/version: add new package 2023-11-06 23:20:32 +00:00
62418.txt log/slog: add LogLoggerLevel to enable setting level on the default logger 2023-11-10 21:25:30 +00:00
62605.txt go/types: export Info.FileVersions 2023-11-07 16:52:44 +00:00
63223.txt go/types, types2: implement Alias proposal (export API) 2023-11-13 20:18:45 +00:00
63725.txt debug/elf,cmd/link: add additional relocations for loong64 2023-11-02 19:46:03 +00:00