[Numpy-discussion] Python and Numpy compiled on Athlon

Rob Rob
Thu Nov 16 16:52:29 CST 2006


optimized gcc3.01

Just for kicks last night I installed gcc3.01 which claims to have Athlon
optimization, ie. -march=athlon.  I recompiled Python and Numpy, and then
ran a big simulation.  The new compiler ran 200 seconds slower than the
old gcc2.95 with plain -march=pentium.  I need to go to the gcc website
and see just what optimization they are claiming.  Maybe I should have
also used -02.   Rob.


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