From: Austin Clements <austin@google.com>
Date: Mon, 7 Dec 2020 22:15:06 +0000 (-0500)
Subject: doc/go1.16: update linker stats
X-Git-Tag: go1.16beta1~69
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=6362d01c152071751bd594bdf10c301514fc2d4e;p=gostls13.git

doc/go1.16: update linker stats

benchstat v2 comparison vs HEAD:

                    1.15.6                    1.16
                    sec/op       sec/op           vs base
LinkIstio-48        4.44 ± 1%   3.43 ± 1%  -22.79% (p=0.000 n=20)
LinkKubelet-48     10.89 ± 1%   8.42 ± 1%  -22.63% (p=0.000 n=20)
LinkDiscovery-48    1.43 ± 1%   1.06 ± 1%  -25.68% (p=0.000 n=20)
LinkIstio-4         4.50 ± 1%   3.52 ± 1%  -21.84% (p=0.000 n=20)
LinkKubelet-4      10.84 ± 2%   8.55 ± 1%  -21.09% (p=0.000 n=20)
LinkDiscovery-4     1.45 ± 2%   1.11 ± 2%  -23.81% (p=0.000 n=20)

                     1.15.6                      1.16
                  max-RSS-bytes  max-RSS-bytes         vs base
LinkIstio-48       1085Mi ± 1%    1006Mi ± 0%    -7.32% (p=0.000 n=20)
LinkKubelet-48     1.60Gi ± 5%    1.46Gi ± 1%    -8.57% (p=0.000 n=20)
LinkDiscovery-48    392Mi ± 1%     362Mi ± 2%    -7.71% (p=0.000 n=20)
LinkIstio-4        1022Mi ± 6%     958Mi ± 1%    -6.26% (p=0.000 n=20)
LinkKubelet-4      1.63Gi ± 2%    1.44Gi ± 0%   -11.44% (p=0.000 n=20)
LinkDiscovery-4     400Mi ± 0%     353Mi ± 1%   -11.83% (p=0.000 n=20)

                     1.15.6                    1.16
                   exe-bytes     exe-bytes           vs base
LinkIstio-48       97.7Mi ± 0%   93.4Mi ± 0%  -4.38% (p=0.000 n=20)
LinkKubelet-48      129Mi ± 0%    127Mi ± 0%  -1.17% (p=0.000 n=20)
LinkDiscovery-48   31.9Mi ± 0%   29.1Mi ± 0%  -8.67% (p=0.000 n=20)
LinkIstio-4        97.7Mi ± 0%   93.4Mi ± 0%  -4.38% (p=0.000 n=20)
LinkKubelet-4       129Mi ± 0%    127Mi ± 0%  -1.17% (p=0.000 n=20)
LinkDiscovery-4    31.9Mi ± 0%   29.1Mi ± 0%  -8.67% (p=0.000 n=20)

https://perf.golang.org/search?q=upload:20201207.6

For #40700.

Change-Id: I3f7b3e08db4fb7980d2472f15e5fc04503e95ea0
Reviewed-on: https://go-review.googlesource.com/c/go/+/275912
Trust: Austin Clements <austin@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
---

diff --git a/doc/go1.16.html b/doc/go1.16.html
index a1f07c10fd..da8f560f85 100644
--- a/doc/go1.16.html
+++ b/doc/go1.16.html
@@ -361,13 +361,10 @@ Do not send CLs removing the interior tags from such phrases.
   supported architecture/OS combinations (the 1.15 performance improvements
   were primarily focused on <code>ELF</code>-based OSes and
   <code>amd64</code> architectures).  For a representative set of
-  large Go programs, linking is 20-35% faster than 1.15 and requires
+  large Go programs, linking is 20-25% faster than 1.15 and requires
   5-15% less memory on average for <code>linux/amd64</code>, with larger
-  improvements for other architectures and OSes.
-</p>
-
-<p>
-  TODO: update with final numbers later in the release.
+  improvements for other architectures and OSes. Most binaries are
+  also smaller as a result of more aggressive symbol pruning.
 </p>
 
 <p><!-- CL 255259 -->