On Feb 12, 2008 11:53 AM, Bruce Southey <[EMAIL PROTECTED]> wrote: > Hi, > > I have a Opteron 248 (2.66GHz) that with gcc 4.1.0 (SUSE10.1?) that gives > C qsort with C style compare: 0.650000 > C qsort with Python style compare: 0.640000 > NumPy newqsort: 0.360000 > > I did notice that -O3 was essential to get the performance gain as -O2 > gave: > C qsort with C style compare: 0.690000 > C qsort with Python style compare: 0.700000 > NumPy newqsort: 0.610000 >
Try -O2 -finline-functions, it should come in somewhere between -O2 and -O3 Chuck
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