Barry A. Warsaw writes: > It'd be interesting to see if there are any performance > improvements, esp. on x86 boxen. GCC 2.95.3: cj42289-a(.../python/linux); time ./python -tt ../Lib/test/pystone.py Pystone(1.1) time for 10000 passes = 1.58 This machine benchmarks at 6329.11 pystones/second 1.66user 0.01system 0:03.40elapsed 49%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (280major+241minor)pagefaults 0swaps GCC 3.0: cj42289-a(.../python/linux); cd ../linux-gcc-3.0/ cj42289-a(.../python/linux-gcc-3.0); time ./python -tt ../Lib/test/pystone.py Pystone(1.1) time for 10000 passes = 1.65 This machine benchmarks at 6060.61 pystones/second 1.77user 0.01system 0:03.52elapsed 50%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (307major+239minor)pagefaults 0swaps There is a little variation with multiple run, but it varies less than 5% from the numbers above. Bumping up the LOOPS constant in pystone.py changes the numbers a small bit, but the relationship remains constant. This is one a Linux-Mandrake 7.2 installation with non-cooker updates installed, and still using the Linux 2.2 kernel: cj42289-a(.../python/linux-gcc-3.0); uname -a Linux cj42289-a.reston1.va.home.com 2.2.17-21mdk #1 Thu Oct 5 13:16:08 CEST 2000 i686 unknown -Fred -- Fred L. Drake, Jr. <fdrake at acm.org> PythonLabs at Digital Creations
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