Re: [f2fs-dev] [PATCH v6] f2fs: compress: support compress level

Chao Yu
2020-12-04T07:10:22Z

On 2020/12/4 8:31, Gao Xiang wrote:
> could make more sense), could you leave some CR numbers about these
> algorithms on typical datasets (enwik9, silisia.tar or else.) with 16k
> cluster size?

Just from a quick test with enwik9 on vm:

Original blocks: 244382

lz4 lz4hc-9
compressed blocks 170647 163270
compress ratio 69.8% 66.8%
speed 16.4207 s, 60.9 MB/s 26.7299 s, 37.4 MB/s

compress ratio = after / before

Thanks,