diff options
Diffstat (limited to 'Misc/NEWS')
| -rw-r--r-- | Misc/NEWS | 13 |
1 files changed, 11 insertions, 2 deletions
@@ -48,8 +48,17 @@ Library without losing information). - Profile.calibrate() has a new implementation that should deliver - a better system-specific calibration constant. Calibration must still - be done manually (see the docs for the profile module). + a much better system-specific calibration constant. The constant can + now be specified in an instance constructor, or as a Profile class or + instance variable, instead of by editing profile.py's source code. + Calibration must still be done manually (see the docs for the profile + module). + + Note that Profile.calibrate() must be overriden by subclasses. + Improving the accuracy required exploiting detailed knowledge of + profiler internals; the earlier method abstracted away the details + and measured a simplified model instead, but consequently computed + a constant too small by a factor of 2 on some modern machines. - quopri's encode and decode methods take an optional header parameter, which indicates whether output is intended for the header 'Q' encoding. |