Am Do., 22. Aug. 2019 um 16:41 Uhr schrieb Holger Hoffstätte <hol...@applied-asynchrony.com>: > but how does btrfs benefit from this compared to using crc32-intel?
As i know, crc32c is as far as ~3x faster than xxhash. But xxHash was created with a differend design goal. If you using a cpu without hardware crc32 support, xxHash provides you a maximum portability and speed. Look at arm, mips, power, etc. or old intel cpus like Core 2 Duo.