[issue13031] [PATCH] small speed-up for tarfile.py when unzipping tarballs
Changes by Lars Gustäbel l...@gustaebel.de: -- assignee: - lars.gustaebel nosy: +lars.gustaebel priority: normal - low versions: +Python 3.3 -Python 2.7, Python 3.2 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue13031 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue13031] [PATCH] small speed-up for tarfile.py when unzipping tarballs
poq p...@gmx.com added the comment: I don't think you even need the slice, if you use unpack_from. -- nosy: +poq ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue13031 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue13031] [PATCH] small speed-up for tarfile.py when unzipping tarballs
New submission from Justin Peel pee...@gmail.com: Attached small diff speeds up extracting a gzipped tarball on my machine using python 3.2 by 3-5%. It will probably be a larger percentage on machines that have faster hard drives (mine is 5400rpm). Basically, the changes speed up calculating the checksums by only doing one slice rather than four and call struct.unpack twice rather than four times. We are able to use less unpack calls because 'x' means to skip a byte. -- components: Library (Lib) files: cpython_tarfile.diff keywords: patch messages: 144436 nosy: jpeel priority: normal severity: normal status: open title: [PATCH] small speed-up for tarfile.py when unzipping tarballs versions: Python 2.7, Python 3.2 Added file: http://bugs.python.org/file23229/cpython_tarfile.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue13031 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue13031] [PATCH] small speed-up for tarfile.py when unzipping tarballs
Changes by Justin Peel pee...@gmail.com: -- type: - performance ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue13031 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
