Conversation with #inferno at Tue Aug  3 02:27:02 2010 on powerman-asdf@irc.freenode.net (irc)
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(03:43:04) vsrinivas: hi world!
(03:43:07) vsrinivas: anyone around?
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(05:05:38) me is now known as me____
(05:05:40) me____: hi world!
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(05:55:25) mennis is now known as world
(05:55:36) world: hello me____ !
(05:55:41) world is now known as mennis
(07:10:56) me____: i was waving to world since i put a patch into inferno-npe thati'd wanted comments on.
(07:11:22) me____: anyone feeling like looking?
(07:23:32) me____: in front of *malloc/free in emu/port/alloc.c (allocate from the mainmem pool), i added a small set of caches for allocated blocks. 
(07:24:25) me____: they're spaced closely, but not powers-of-2, up to 256 by.
(07:25:22) me____: they speed up a few things by a bit, don't change others.
(07:25:30) me____: thread-ring is about the same speed as before.
(07:26:08) me____: however, fcp got faster - i shaved a second and a half off of time required to fcp -r -R 16 -W 16 cwfs from sources to my memfs.
(07:26:32) me____: (total time from ~9 to ~7.5sec)
(07:27:03) me____: in addition, i added counters to /dev/vmstat for number of mallocs, frees. (just from main pool)
(07:27:36) me____: inferno makes a ton of allocations, all the time! also, its Bhdr structure means even very small allocations take a hefty amount of space.
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(08:26:58) EthanG: sounds good me____ 
(08:28:45) me____: thanks... if you get a chance, could you look at the diff  / try it ?
(08:30:23) EthanG: I'll certainly try it
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(11:55:07) EthanG: inferno-npe not building: http://sprunge.us/TIhB
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