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24cdeaf12e
This is not useful on micro-architecture with a weak NEON implementation (only 64 bits); the native version is slower & the byteswap barely faster than scalar. On A53 or A57, it's a small improvement on scalar but OK for byteswap. Results from an A53 system: 0 0 0x01 -1 0 1499068294333000 1499101101878000 implementation native byteswap scalar 1008227510 755880264 aarch64_neon 1198098720 1044818671 fastest aarch64_neon aarch64_neon Results from a A57 system: 0 0 0x01 -1 0 4407214734807033 4407233933777404 implementation native byteswap scalar 2302071241 1124873346 aarch64_neon 2542214946 2245570352 fastest aarch64_neon aarch64_neon Reviewed-by: Gvozden Neskovic <neskovic@gmail.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Romain Dolbeau <romain.dolbeau@atos.net> Closes #5248 |
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| .. | ||
| Makefile.in | ||
| zfs_comutil.c | ||
| zfs_deleg.c | ||
| zfs_fletcher_aarch64_neon.c | ||
| zfs_fletcher_avx512.c | ||
| zfs_fletcher_intel.c | ||
| zfs_fletcher_sse.c | ||
| zfs_fletcher.c | ||
| zfs_namecheck.c | ||
| zfs_prop.c | ||
| zfs_uio.c | ||
| zpool_prop.c | ||
| zprop_common.c | ||