Faster checksum benchmark on system boot #17945
Description
System information
| Type | Version/Name |
|---|---|
| Distribution Name | Gentoo |
| Distribution Version | |
| Kernel Version | 6.12.41 |
| Architecture | x86_64 |
| OpenZFS Version | 2.2.8 + #17563, 2.3.4, 2.4.0_rc2 |
Describe the problem you're observing
During testing the patches for 2.2.9, the following behavior was observed on Gentoo after applying #17563.
implementation 1k 4k 16k 64k 256k 1m 4m 16m
edonr-generic 749 840 977 1628 0 1573 1558 1446
skein-generic 516 563 595 595 0 546 604 481
sha256-generic 101 107 111 110 0 110 111 110
sha256-x64 255 288 178 207 0 225 298 299
sha256-ssse3 328 366 376 373 0 377 377 366
sha512-generic 290 326 337 334 0 334 310 334
sha512-x64 400 452 462 478 0 475 465 463
blake3-generic 345 382 367 377 0 370 373 370
blake3-sse2 424 1242 1315 1415 0 1391 1337 1356
blake3-sse41 480 1444 1636 1676 0 1608 1549 1610
The issue also occurs on the 2.3 and 2.4 branches, which already include this patch.
Describe how to reproduce the problem
cat /proc/spl/kstat/zfs/chksum_bench
Is it reproducible on your systems?