yappi 0.51 released

Discussion in 'Python' started by k3xji, May 15, 2010.

  1. k3xji

    k3xji Guest

    Hi all,

    Yappi (Yet Another Python Profiler) 0.51 released. See the version
    highlights:

    * OPTIMIZATION:Use per-pit cpc for better accuracy in different
    timing_sample values. Now timing_sample is not linearly decreasing the
    timing accuracy for most of the applications tested. We reduced the
    runtime of the profiler from 3.2 secs to 0.7 by giving away ~%2 timing
    accuracy. This means yappi can now run 4x-7x times faster than the
    standart cProfile by increasing timing_sample values with very little
    accuracy defect.
    * Python 2.6.5 gives import yappi Dll load failed error. This is
    due to VC2008 compile. Unfortunately, we need to use VC Express Mingw
    is not working because of MSVCR dll files on 2.6.5 on some machines.
    * Use snprintf for stat handling code. There may be some buffer
    overflow situations. Use PyOS_snprintf for platform differences.
    (Thanks to Dave Peticolas)
    * Format stat STRINGs from left, instead of right. (Thanks to Dave
    Peticolas)
    * OPTIMIZATION:Move ctx calculation code to callback function.
    Optimize call_XXX functions as much as possible.
    * Move timing calculation code from header to the C file.
    * MACRO defining code in setup.py is broken for some compilers,
    use DEFINE_MACRO keyword.
    * OPTIMIZATION:Disable HASH table linked list swapping code, it is
    not adapting to the profiler nature very well. Rollback to simple hash-
    table-bucketing.

    See below for more and download:
    http://code.google.com/p/yappi/

    Thanks,
    twitter.com/sumercip
     
    k3xji, May 15, 2010
    #1
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