"Fred L. Drake, Jr." wrote: > > 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 Note that if you really want to see a speedup for x86 boxes then you should take a look at PGCC, the Pentium GCC compiler group: http://www.goof.com/pcg/ You can then adjust the compiler to various x86 CPUs and take advantage of some special optimizations they have intergrated into 2.95.2.1. -- Marc-Andre Lemburg CEO eGenix.com Software GmbH ______________________________________________________________________ Company & Consulting: http://www.egenix.com/ Python Software: http://www.lemburg.com/python/
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