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Revision tags: release/13.5.0-p6, release/14.3.0-p5, release/13.5.0-p5, release/14.2.0-p7, release/14.3.0-p4, release/14.3.0-p3, release/14.2.0-p6, release/13.5.0-p4, release/13.5.0-p3, release/14.2.0-p5, release/14.3.0-p2, release/14.3.0-p1, release/14.2.0-p4, release/13.5.0-p2, release/14.3.0, release/13.4.0-p5, release/13.5.0-p1, release/14.2.0-p3, release/13.5.0, release/14.2.0-p2, release/14.1.0-p8, release/13.4.0-p4, release/14.1.0-p7, release/14.2.0-p1, release/13.4.0-p3, release/14.2.0, release/13.4.0 |
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40a958d5 |
| 21-Jun-2024 |
Strahinja Stanišić <strajabot@FreeBSD.org> |
libc: scalar memset() in RISC-V assembly
Adds scalar implementation of memset for RISC-V
and updates the relevant manpage
os: FreeBSD
arch: riscv
│ ./results/memset/memset_baseline │ ./re
libc: scalar memset() in RISC-V assembly
Adds scalar implementation of memset for RISC-V
and updates the relevant manpage
os: FreeBSD
arch: riscv
│ ./results/memset/memset_baseline │ ./results/memset/memset_scalar │
│ sec/op │ sec/op vs base │
40 527.5µ ± 1% 479.4µ ± 1% -9.12% (p=0.000 n=20)
168 254.5µ ± 1% 216.7µ ± 1% -14.86% (p=0.000 n=20)
2k 169.5µ ± 1% 128.4µ ± 0% -24.24% (p=0.000 n=20)
256k 161.2µ ± 1% 118.6µ ± 1% -26.42% (p=0.000 n=20)
16m 56.58m ± 0% 53.91m ± 0% -4.72% (p=0.000 n=20)
geomean 730.2µ 611.2µ -16.29%
│ ./results/memset/memset_baseline │ ./results/memset/memset_scalar │
│ B/s │ B/s vs base │
40 452.0Mi ± 1% 497.3Mi ± 1% +10.04% (p=0.000 n=20)
168 936.9Mi ± 1% 1100.4Mi ± 1% +17.45% (p=0.000 n=20)
2k 1.373Gi ± 1% 1.813Gi ± 0% +32.00% (p=0.000 n=20)
256k 1.444Gi ± 1% 1.962Gi ± 1% +35.91% (p=0.000 n=20)
16m 269.7Mi ± 0% 283.1Mi ± 0% +4.96% (p=0.000 n=20)
geomean 750.1Mi 896.1Mi +19.47%
MFC after: 1 month
MFC to: stable/15
Approved by: mhorne, markj (mentor)
Reviewed by: fuz
Sponsored by: Google LLC (GSoc 2024)
Differential Revision: https://reviews.freebsd.org/D45730
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