Re: [xz-devel] [RFC 2/2] Add xxHash, XX3 (128bit) for hashing.

2021-01-29 Thread Lasse Collin
On 2021-01-20 Sebastian Andrzej Siewior wrote: > On 2021-01-20 00:37:06 [+0100], Sebastian Andrzej Siewior wrote: > > So this is better than crc64 and close to none while doing > > something ;) > > xz -tv -T0 with crc64 reports: > > 100 % 10,2 GiB / 40,0 GiB = 0,255 1,1 GiB/s

Re: [xz-devel] [RFC 2/2] Add xxHash, XX3 (128bit) for hashing.

2021-01-20 Thread Sebastian Andrzej Siewior
On 2021-01-20 00:37:06 [+0100], Sebastian Andrzej Siewior wrote: > So this is better than crc64 and close to none while doing something ;) xz -tv -T0 with crc64 reports: 100 % 10,2 GiB / 40,0 GiB = 0,255 1,1 GiB/s 0:35 and the same archive with xxh3: 100 % 10,2 GiB

[xz-devel] [RFC 2/2] Add xxHash, XX3 (128bit) for hashing.

2021-01-19 Thread Sebastian Andrzej Siewior
From: Sebastian Andrzej Siewior After seeing the numbers of of openssl's sha256 vs intree, vs crc64 vs none I decided to look at xxHash 16byte version which got stable in the 0.8 version (given I understood the signs right): | Performance counter stats for './src/xz/.libs/xz -t xxh3.xz' (5