Jason Evans wrote: > On Feb 17, 2006, at 10:34 AM, Mike Jakubik wrote: >> >> Great, too bad only 2% of my applications are threaded. I just don't >> see this change very positively, using 40MB of swap, where before was >> none does not seem to me like a speed improvement. I'm all for better >> performance of threaded apps, but the trade off seems too high. > > Are redzones enabled? (They are turned on by default in CURRENT.) > You can check by reading the output from something like: > > MALLOC_OPTIONS=P ls > > Keep in mind that they use up substantial extra memory -- 32 bytes per > allocation. Unless you have disabled redzones, you should expect much > higher memory usage with jemalloc than with phkmalloc. ___ Begin malloc statistics ___ Number of CPUs: 1 Number of arenas: 1 Cache slots: 256 Chunk size: 16777216 (2^24) Quantum size: 16 (2^4) Pointer size: 4 Number of bins: 128 Maximum bin size: 2096 Assertions enabled Redzone size: 16 Allocated: 22272, space used: 33554432 Does this mean they are enabled? and if so, how can i disable them? Which malloc is in -current now?Received on Fri Feb 17 2006 - 19:06:55 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:38:52 UTC