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Author SHA1 Message Date
Xiaolin Zhao 7a4a4d6bea salsa20: add loong64 SIMD implementation 
Benchmark results on Loongson-3C6000 @ 2.20GHz:

goos: linux
goarch: loong64
pkg: golang.org/x/crypto/salsa20
cpu: Loongson-3C6000/S @ 2200.00MHz
      |  old.bench   |              new.bench              |
      |    sec/op    |   sec/op     vs base                |
XOR1K   3835.5n ± 0%   493.9n ± 0%  -87.12% (p=0.000 n=10)

      |  old.bench   |               new.bench                |
      |     B/s      |      B/s       vs base                 |
XOR1K   254.6Mi ± 0%   1977.4Mi ± 0%  +676.64% (p=0.000 n=10)

Change-Id: I9f795e7f4e2c467ba9a41c9e6f460612536021ba
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/683255
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
 2026-09-21 00:02:45 -07:00
Michael Pratt 51f005cfd4 Revert "salsa20: add loong64 SIMD implementation" 
This reverts CL 663375.

Reason for revert: Does not build on 1.23 or 1.24

For golang/go#73354.

Change-Id: I251d598423b83c01cc2e04ddf6f49ae14095fa7c
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/665535
Auto-Submit: 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>
 2025-04-16 06:50:29 -07:00
Xiaolin Zhao 18f770732f salsa20: add loong64 SIMD implementation 
The performance gains on Loongson 3A6000 and 3A5000 are as follows:

goos: linux
goarch: loong64
pkg: golang.org/x/crypto/salsa20
cpu: Loongson-3A6000-HV @ 2500.00MHz
      |  bench.old   |              bench.new              |
      |    sec/op    |   sec/op     vs base                |
XOR1K   3175.0n ± 0%   435.4n ± 0%  -86.29% (p=0.000 n=20)

      |  bench.old   |               bench.new                |
      |     B/s      |      B/s       vs base                 |
XOR1K   307.6Mi ± 0%   2242.7Mi ± 0%  +629.13% (p=0.000 n=20)

goos: linux
goarch: loong64
pkg: golang.org/x/crypto/salsa20
cpu: Loongson-3A5000 @ 2500.00MHz
      |  bench.old   |              bench.new              |
      |    sec/op    |   sec/op     vs base                |
XOR1K   4125.0n ± 0%   864.0n ± 0%  -79.05% (p=0.000 n=20)

      |  bench.old   |               bench.new                |
      |     B/s      |      B/s       vs base                 |
XOR1K   236.7Mi ± 0%   1130.3Mi ± 0%  +377.41% (p=0.000 n=20)

Change-Id: Ib37f603e6654f1e3837985fad4b6dee10b5af993
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/663375
Reviewed-by: Carlos Amedee <carlos@golang.org>
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>
Auto-Submit: Carlos Amedee <carlos@golang.org>
 2025-04-11 13:55:20 -07:00