Movatterモバイル変換
[0]ホーム
[Python-Dev] CPU vs Wall time Profiling
Guido van Rossumguido at python.org
Wed Feb 22 00:30:28 CET 2012
On Tue, Feb 21, 2012 at 1:00 PM, Sümer Cip <sumerc at gmail.com> wrote:> Is there a reason behind the fact that the Python profilers work with Wall> time by default? There are OS-dependent ways to get the CPU time of a> thread, and giving that choice to the user _somehow_ ( to use wall vs cpu> time) might be a good feature?The original reason was that the Unix wall clock was more accuratethan its CPU clock. If that's changed we should probably (perhaps in aplatform-dependent way) change the default to the most accurate clockavailable.-- --Guido van Rossum (python.org/~guido)
More information about the Python-Devmailing list
[8]ページ先頭