On Thu, Mar 28, 2024 at 10:44:41AM -0700, Andre Glover wrote: > > Below is a table showing the latency improvements with zlib, between > zlib dynamic and zlib canned modes, and the compression ratio for > each mode while using a set of 4300 4KB pages sampled from SPEC > CPU17 workloads: > _________________________________________________________ > | Zlib Level | Canned Latency Gain | Comp Ratio | > |------------|-----------------------|------------------| > | | compress | decompress | dynamic | canned | > |____________|__________|____________|_________|________| > | 1 | 49% | 29% | 3.16 | 2.92 | > |------------|----------|------------|---------|--------| > | 6 | 27% | 28% | 3.35 | 3.09 | > |------------|----------|------------|---------|--------| > | 9 | 12% | 29% | 3.36 | 3.11 | > |____________|__________|____________|_________|________| So which kernel user (zswap I presume) is clamouring for this feature? We don't add new algorithms that have no in-kernel users. So we need to be sure that the kernel user actually want this. Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
