On Sun, 2006-07-02 at 03:40 +1000, Nick Piggin wrote:
> What sort of test?
the one I did was long running FPU app (calculating PI using FPU)
> Any idea of the results for a best case microbenchmark
> (something like two threads ping-pong a couple of futexes between them,
> in between doing a single FPU op)
ok I wrote a test scenario for this; the performance gain I get with
this is 8.5%
the FPU part of the hot loop I used is
A = 0.3 * (A+B);
with A and B doubles
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