Default value for numCapabilities?
bulat.ziganshin at gmail.com
Tue Apr 27 12:45:14 EDT 2010
Tuesday, April 27, 2010, 8:09:49 PM, you wrote:
a few months ago i asked SimonM about using all cores by default, but
he said that it dramatically reduces performance in some cases
> As a followup to the discussion  about the portable way to find the
> number of CPUs/cores: how is the default value of numCapabilities 
> set when +RTS -N is not on the command line?
> Does GHC runtime figure out the number of cores itself, or it is by
> default 1 unless specified on the command line?
>  http://haskell.org/pipermail/haskell-cafe/2010-April/076911.html
Bulat mailto:Bulat.Ziganshin at gmail.com
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