In this day and age, it seems odd that we have to explicitly specify the number of cores. Detecting it would be pretty simple, on all systems I know of.
Before I go ahead and write a patch, I'd there some technical or political reason we're boy doing that? On 25 Feb 2013 00:58, "Kazu Yamamoto" <k...@iij.ad.jp> wrote: > > We should really publish a blog post about this. > > - If we will take benchmark, "+RTS -Nx -qa -Aym" should be specified > to a server. "y" should be changed according to "x", the number of > core. I'm using "+RTS -N10 -qa -A32m" on a 12 core machine. "-qa" > improves performance on Linux but not FreeBSD even if a "-qa" bug of > GHC on FreeBSD is fixed. > > http://hackage.haskell.org/trac/ghc/ticket/7708 > > - "ab" sucks. We should use "weighttp" instead. I use as > weighttp -n 1000000 -c 1000 -k -t 10 "http://X.Y.Z.W:8000/"; > which creates 10 native threads. > > For more information, please refer to: > http://gwan.com/en_apachebench_httperf.html > > http://www.iij.ad.jp/company/development/tech/activities/weighttp/index.html > (in Japanese, sorry) > > --Kazu > > _______________________________________________ > ghc-devs mailing list > ghc-devs@haskell.org > http://www.haskell.org/mailman/listinfo/ghc-devs >
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