Re: Thorough Python 2.7.3 Windows Build Documentation?

Discussion in 'Python' started by Terry Reedy, Jan 17, 2013.

  1. Terry Reedy

    Terry Reedy Guest

    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
    Terry Reedy, Jan 17, 2013
    #1
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