| #
5a52f070
|
| 04-Aug-2024 |
Strahinja Stanišić <strajabot@FreeBSD.org> |
libc: scalar strnlen() in RISC-V assembly
Optimized implementation of strnlen() in RISC-V assembly
Performance was measured using strperf on a HiFive Unmatched (SiFive HF105-001) board.
os: FreeBS
libc: scalar strnlen() in RISC-V assembly
Optimized implementation of strnlen() in RISC-V assembly
Performance was measured using strperf on a HiFive Unmatched (SiFive HF105-001) board.
os: FreeBSD
arch: riscv
│ strnlen_baseline │ strnlen_scalar │
│ sec/op │ sec/op vs base │
Short 787.0µ ± 0% 430.9µ ± 1% -45.24% (p=0.000 n=20)
Mid 621.6µ ± 0% 195.1µ ± 1% -68.61% (p=0.000 n=20)
Long 569.4µ ± 1% 100.6µ ± 0% -82.34% (p=0.000 n=20)
geomean 653.1µ 203.7µ -68.81%
│ strnlen_baseline │ strnlen_scalar │
│ MiB/s │ MiB/s vs base │
Short 158.8 ± 0% 290.1 ± 1% +82.62% (p=0.000 n=20)
Mid 201.1 ± 0% 640.6 ± 1% +218.59% (p=0.000 n=20)
Long 219.5 ± 1% 1242.9 ± 0% +466.19% (p=0.000 n=20)
geomean 191.4 613.5 +220.57%
MFC after: 1 month
MFC to: stable/15
Approved by: mhorne, markj (mentor)
Reviewed by: fuz, Jari Sihvola <jsihv@gmx.com>
Sponsored by: Google LLC (GSoC 2024)
Differential Revision: https://reviews.freebsd.org/D46230
show more ...
|
| #
5a52f070
|
| 04-Aug-2024 |
Strahinja Stanišić <strajabot@FreeBSD.org> |
libc: scalar strnlen() in RISC-V assembly
Optimized implementation of strnlen() in RISC-V assembly
Performance was measured using strperf on a HiFive Unmatched (SiFive HF105-001) board.
os: FreeBS
libc: scalar strnlen() in RISC-V assembly
Optimized implementation of strnlen() in RISC-V assembly
Performance was measured using strperf on a HiFive Unmatched (SiFive HF105-001) board.
os: FreeBSD
arch: riscv
│ strnlen_baseline │ strnlen_scalar │
│ sec/op │ sec/op vs base │
Short 787.0µ ± 0% 430.9µ ± 1% -45.24% (p=0.000 n=20)
Mid 621.6µ ± 0% 195.1µ ± 1% -68.61% (p=0.000 n=20)
Long 569.4µ ± 1% 100.6µ ± 0% -82.34% (p=0.000 n=20)
geomean 653.1µ 203.7µ -68.81%
│ strnlen_baseline │ strnlen_scalar │
│ MiB/s │ MiB/s vs base │
Short 158.8 ± 0% 290.1 ± 1% +82.62% (p=0.000 n=20)
Mid 201.1 ± 0% 640.6 ± 1% +218.59% (p=0.000 n=20)
Long 219.5 ± 1% 1242.9 ± 0% +466.19% (p=0.000 n=20)
geomean 191.4 613.5 +220.57%
MFC after: 1 month
MFC to: stable/15
Approved by: mhorne, markj (mentor)
Reviewed by: fuz, Jari Sihvola <jsihv@gmx.com>
Sponsored by: Google LLC (GSoC 2024)
Differential Revision: https://reviews.freebsd.org/D46230
show more ...
|
| #
5a52f070
|
| 04-Aug-2024 |
Strahinja Stanišić <strajabot@FreeBSD.org> |
libc: scalar strnlen() in RISC-V assembly
Optimized implementation of strnlen() in RISC-V assembly
Performance was measured using strperf on a HiFive Unmatched (SiFive HF105-001) board.
os: FreeBS
libc: scalar strnlen() in RISC-V assembly
Optimized implementation of strnlen() in RISC-V assembly
Performance was measured using strperf on a HiFive Unmatched (SiFive HF105-001) board.
os: FreeBSD
arch: riscv
│ strnlen_baseline │ strnlen_scalar │
│ sec/op │ sec/op vs base │
Short 787.0µ ± 0% 430.9µ ± 1% -45.24% (p=0.000 n=20)
Mid 621.6µ ± 0% 195.1µ ± 1% -68.61% (p=0.000 n=20)
Long 569.4µ ± 1% 100.6µ ± 0% -82.34% (p=0.000 n=20)
geomean 653.1µ 203.7µ -68.81%
│ strnlen_baseline │ strnlen_scalar │
│ MiB/s │ MiB/s vs base │
Short 158.8 ± 0% 290.1 ± 1% +82.62% (p=0.000 n=20)
Mid 201.1 ± 0% 640.6 ± 1% +218.59% (p=0.000 n=20)
Long 219.5 ± 1% 1242.9 ± 0% +466.19% (p=0.000 n=20)
geomean 191.4 613.5 +220.57%
MFC after: 1 month
MFC to: stable/15
Approved by: mhorne, markj (mentor)
Reviewed by: fuz, Jari Sihvola <jsihv@gmx.com>
Sponsored by: Google LLC (GSoC 2024)
Differential Revision: https://reviews.freebsd.org/D46230
show more ...
|