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Xiaolin Zhao b8ed752d6f internal/chacha8rand: implement func block in assembly
Benchmark result on Loongson-3A6000:
goos: linux
goarch: loong64
pkg: math/rand/v2 + internal/chacha8rand
cpu: Loongson-3A6000-HV @ 2500.00MHz
                         |  bench.old   |              bench.new              |
                         |    sec/op    |   sec/op     vs base                |
ChaCha8MarshalBinary        67.39n ± 0%   65.96n ± 0%   -2.12% (p=0.000 n=10)
ChaCha8MarshalBinaryRead    80.93n ± 0%   78.31n ± 0%   -3.23% (p=0.000 n=10)
ChaCha8                    10.610n ± 0%   5.129n ± 0%  -51.66% (p=0.000 n=10)
ChaCha8Read                 51.30n ± 0%   28.05n ± 0%  -45.31% (p=0.000 n=10)
Block                      218.50n ± 0%   45.48n ± 0%  -79.19% (p=0.000 n=10)
geomean                     57.86n        32.05n       -44.62%

Benchmark result on Loongson-3A5000:
goos: linux
goarch: loong64
pkg: math/rand/v2 + internal/chacha8rand
cpu: Loongson-3A5000 @ 2500.00MHz
                         |  bench.old   |              bench.new              |
                         |    sec/op    |   sec/op     vs base                |
ChaCha8MarshalBinary        116.3n ± 0%   116.6n ± 0%   +0.26% (p=0.015 n=10)
ChaCha8MarshalBinaryRead    142.6n ± 0%   142.0n ± 0%   -0.39% (p=0.000 n=10)
ChaCha8                    16.270n ± 0%   6.848n ± 0%  -57.91% (p=0.000 n=10)
ChaCha8Read                 78.65n ± 0%   47.39n ± 1%  -39.74% (p=0.000 n=10)
Block                      301.50n ± 0%   91.85n ± 0%  -69.53% (p=0.000 n=10)
geomean                     91.45n        54.79n       -40.09%

Change-Id: I64d80c81d2df288fecff80ae23ef89f0fb54cdfa
Reviewed-on: https://go-review.googlesource.com/c/go/+/664035
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2025-04-15 04:54:59 -07:00
.github .github: update language change proposal template 2024-08-08 19:02:29 +00:00
api sync: add WaitGroup.Go 2025-04-04 08:19:32 -07:00
doc doc/next: fix link 2025-04-07 13:59:43 -07:00
lib lib/time: build with Ubuntu backward compatibility options 2025-02-06 17:10:15 -08:00
misc misc/linkcheck: remove unused tool 2025-03-20 04:38:55 -07:00
src internal/chacha8rand: implement func block in assembly 2025-04-15 04:54:59 -07:00
test cmd/compile: set unalignedOK to make memcombine work properly on loong64 2025-04-09 09:18:20 -07:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore runtime,internal: move runtime/internal/sys to internal/runtime/sys 2024-07-23 19:05:35 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +00:00
LICENSE LICENSE: update per Google Legal 2024-08-09 14:54:31 +00:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README.md README: fix CC BY license name 2024-07-22 17:45:27 +00:00
SECURITY.md SECURITY.md: update the Reporting a Vulnerability link 2023-09-22 21:17:24 +00:00

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