Hello Dimitry, 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 > Hi, > As a followup to the discussion [1] about the portable way to find the > number of CPUs/cores: how is the default value of numCapabilities [2] > 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? > Thanks. > --------------------------- > [1] http://haskell.org/pipermail/haskell-cafe/2010-April/076911.html > [2] > http://hackage.haskell.org/packages/archive/base/latest/doc/html/GHC-Conc.html#v:numCapabilities -- Best regards, Bulat mailto:bulat.zigans...@gmail.com _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users