On 2009-Sep-23 12:17:26 -0700, William Stein <wst...@gmail.com> wrote: >On Wed, Sep 23, 2009 at 10:31 AM, John H Palmieri ><jhpalmier...@gmail.com> wrote: >> I can't tell: is 128 a reasonable answer here? Is it okay to doctest >> Sage in parallel using 128 threads? > >Ouch. I tried running > 16 processes in parallel using >multiprocessing on t2 and got no speed up. I think 128 at once would >not be faster than 16 without doing something clever (that I totally >don't understand).
Given that sage is FP-intensive and a T-2 processor has 8 FPUs (ie the box t2 has 16 FPUs), there's probably little point in going beyond 16. -- Peter Jeremy
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