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Showing content from https://mail.python.org/pipermail/python-dev/2002-January/019747.html below:

[Python-Dev] opcode performance measurements

[Python-Dev] opcode performance measurements [Python-Dev] opcode performance measurementsJeremy Hylton jeremy@alum.mit.edu
Thu, 31 Jan 2002 07:34:28 -0500
>>>>> "AM" == Aahz Maruch <aahz@rahul.net> writes:

  AM> My suggestion WRT SET_LINENO is to encourage the use of python
  AM> -O and PYTHONOPTIMIZE.

Vladimir submitted a patch long ago to dynamically recompile bytecode
to add/remove SET_LINENO as needed.  I find that approach much more
appealing, because you don't have to pay the SET_LINENO penalty just
because there's some chance you'd want to connect with a debugger.  A
long running server process is the prime use case; it benefits from -O
but may need to be debugged.

Jeremy





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