On Monday, February 2, 2015 at 12:05:45 PM UTC-8, Peter Simon wrote: > > Do 0.3 and 0.4 use the same number of threads by default? You could try > calling blas_set_num_threads prior to peakflops to make sure. I get best > results when the number of threads is equal to (or slightly less than, for > 12 cores) the number of physical cores. > > --Peter > > Doesn't seem to make much difference.
Julia 0.3.4: julia> blas_set_num_threads(4) julia> peakflops() 9.094162579243195e10 Julia 0.4: julia> blas_set_num_threads(4) julia> peakflops() 1.6471473036802423e9
