On Apr 6, 2006, at 10:00 PM, Bob Ippolito wrote: > On Apr 6, 2006, at 9:44 PM, Alex Martelli wrote: > >> I'm wondering about comparative performance -- shouldn't a Macbook >> Pro 2.0 GHz be VASTLY faster than a humble iBook G4 12" (1.33 GHz PPC >> G4)? >> >> And yet, pybench 1.0 tells me: 7806 ms on the iBook, 7721 on the >> Macbook; also, the iBook measures at 22026 pystones/sec, the Macbook >> at 22624. That's with 2.4.3 on both. Am I doing something wrong, >> are there problems with the recent 2.4.3 Universal release, or are >> the two machines REALLY that close...?! > > Make sure that the universal build is actually running i386. If you > are running a python binary compiled PPC that happens to link to the > universal framework, it's going to start up PPC under Rosetta. I'm > not going to have an Intel machine for probably another few weeks so > I can't test these things. > > You should see *exactly* the following output with a correctly > installed universal build (with of course a different platform > string): > > % lipo -info `which python` > Architectures in the fat file: /Library/Frameworks/Python.framework/ > Versions/Current/bin/python are: ppc i386 > > % lipo -info /Library/Frameworks/Python.framework/Python > Architectures in the fat file: /Library/Frameworks/Python.framework/ > Python are: ppc i386 > > % python -mplatform > Darwin-8.6.0-Power_Macintosh-powerpc-32bit >
Here's what my universal build says: [sprout:2000]> lipo -info `which python` ~ Architectures in the fat file: /usr/local/bin/python are: ppc i386 =============================================================== 2006-04-06 22:06[sprout:2001]> lipo -info /Library/Frameworks/ Python.framework/Python ~ Architectures in the fat file: /Library/Frameworks/Python.framework/ Python are: ppc i386 =============================================================== 2006-04-06 22:06[sprout:2002]> python - mplatform ~ Darwin-8.6.1-i386-32bit The python that Shane suggested that we build said this: [sprout:2004]> lipo -info python.exe ~/ tmp/py-24 Non-fat file: python.exe is architecture: i386 =============================================================== *** NOTE i didn't know what to put in here for the Framework line *** 2006-04-06 22:07[sprout:2005]> ./python.exe - mplatform ~/tmp/py-24 Darwin-8.6.1-i386-32bit Ted _______________________________________________ Pythonmac-SIG maillist - Pythonmac-SIG@python.org http://mail.python.org/mailman/listinfo/pythonmac-sig
