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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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563efdd3 |
| 17-Jul-2024 |
Strahinja Stanišić <strajabot@FreeBSD.org> |
libc: scalar memchr() in RISC-V assembly
Added an optimized memchr() implementation in RISC-V assembly and updated
the relevant manpage.
│ memchr_baseline │ memchr_scalar
libc: scalar memchr() in RISC-V assembly
Added an optimized memchr() implementation in RISC-V assembly and updated
the relevant manpage.
│ memchr_baseline │ memchr_scalar │
│ sec/op │ sec/op vs base │
Short 636.6µ ± 1% 495.9µ ± 1% -22.10% (p=0.000 n=20)
Mid 279.7µ ± 1% 224.1µ ± 1% -19.87% (p=0.000 n=20)
Long 138.8µ ± 0% 124.9µ ± 0% -10.00% (p=0.000 n=20)
geomean 291.3µ 240.3µ -17.48%
│ memchr_baseline │ memchr_scalar │
│ B/s │ B/s vs base │
Short 187.3Mi ± 1% 240.4Mi ± 1% +28.37% (p=0.000 n=20)
Mid 426.2Mi ± 1% 531.9Mi ± 1% +24.79% (p=0.000 n=20)
Long 859.0Mi ± 0% 954.4Mi ± 0% +11.11% (p=0.000 n=20)
geomean 409.3Mi 496.0Mi +21.19%
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/D46023
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