Chad Austin <c...@imvu.com> added the comment: IMVU's downloadable client is built atop CPython. 80% of our users use 32-bit Windows and 20% use 64-bit Windows. We do not intend to provide 64-bit builds of our application for many of the same reasons sketched out in http://blogs.msdn.com/b/ricom/archive/2009/06/10/visual-studio-why-is-there-no-64-bit-version.aspx
Process address space is one of our key bottlenecks: limiting the amount of cache we can mmap in, various runtime heap reserves, etc. For those 20% of users running 64-bit Windows, /LARGEADDRESSAWARE would give 32-bit Python access to 4 GB of address space, which would certainly help them. The other reason not to use 64-bit binaries is that they consume significantly more memory and cache, especially because Python is so pointer-heavy. In the meantime, we can use editbin /LARGEADDRESSAWARE to modify the shipped .exes. ---------- nosy: +Chad.Austin _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue1449496> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
