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-   -   Re: Thorough Python 2.7.3 Windows Build Documentation? (http://www.velocityreviews.com/forums/t956610-re-thorough-python-2-7-3-windows-build-documentation.html)

Terry Reedy 01-17-2013 03:55 PM

Re: Thorough Python 2.7.3 Windows Build Documentation?
 
On 1/17/2013 10:29 AM, Leonard, Arah wrote:
> Hello fellow Python programmers,
>
> I’m building a 32-bit CPython 2.7.3 distro for Windows using the MS
> Visual Studio Professional 2008 SP1 (and all hotfixes) MSVC 9 compiler.
> My build works, technically, but it also happens to benchmark over 30%
> slower than the precompiled binaries in the distributed Python 2.7.3
> MSI. Can anyone point me in the direction of some thoroughly detailed
> build documentation so that I can figure out how to get that 30% back
> with my build? The only documentation that I can find just says MSVC 9,
> period. There’s no mention of SP1 or not, hotfixes, nor of anyspecific
> compiler/linker optimizations used to build the official distro.
> Something, somewhere, has to be significantly different between our
> builds for a 30% performance difference, and it’d probably be handy for
> the Python community to know how to avoid the same pitfall that cost me
> performance so that we can all get the most out of Python. Any and all
> help will be greatly appreciated. Thanks.


The 'documentation' of how we build Python on Windows is the PCBuild
directory in the source tree.

--
Terry Jan Reedy




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