On Sep 17, 2006, at 9:29 PM, Jack Jansen wrote: > Just wondering: is it a good idea in the first place to create a > universal 32/64 bit Python on MacOSX? > > On MacOS you don't pay a penalty or anything for running in 32-bit > mode on any current hardware, so the choice of whether to use 32 or > 64 bits really depends on the application. A single Python > interpreter that can run in both 32 and 64 bit mode would possibly > make this more difficult rather than easier. I think I'd prefer a > situation where we have python32 and python64 (with both being ppc/ > intel fat) and python being a symlink to either, at the end-users' > discretion. > > For extension modules it's different, though: there it would be nice > to be able to have a single module that could load into any Python > (32/64 bit, Intel/PPC) on any applicable MacOSX version. A 4-way universal python framework could be useful, but I agree that the python executable shouldn't be 64-bit. I'm not too happy about a symlink that selects which version you get to use, wouldn't 'python' (32-bit) and 'python-64' (64-bit) be just as good. That way the user doesn't have to set up anything and it helps to reinforce the message that 64-bit isn't necessarily better than 32-bit. Having a 4-way universal framework would IMO be preferable over two seperate python installs, that would just increase the confusion. There are too many python distributions for the mac anyway. A major stumbling-block for a 4-way universal installation is the availability of binary packages for (popular) 3th party packages, this is not really relevant for python-dev but I'd prefer not having 64-bit support in the default installer over a 64-bit capable installation where it is very hard to get popular packages to work. BTW. several sites on the interweb claim that x86-64 runs faster than plain x86 due to a larger register set. All my machines are 32-bit so I can't check if this is relevant for Python (let alone Python on OSX). Ronald > -- > Jack Jansen, <Jack.Jansen at cwi.nl>, http://www.cwi.nl/~jack > If I can't dance I don't want to be part of your revolution -- Emma > Goldman > > > _______________________________________________ > Python-Dev mailing list > Python-Dev at python.org > http://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: http://mail.python.org/mailman/options/python-dev/ > ronaldoussoren%40mac.com -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/pkcs7-signature Size: 2157 bytes Desc: not available Url : http://mail.python.org/pipermail/python-dev/attachments/20060917/2d174016/attachment-0001.bin
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