[Python-Dev] [ python-Patches-876206 ] scary frame speed hacks (original) (raw)

Tim Peters tim.one at comcast.net
Tue Mar 2 21:20:16 EST 2004

[Greg Ewing]

If you have a gazillion distinct functions in memory at once, you've got a gazillion code objects, plus associated function objects, arg name tuples, etc... Adding a stack frame to each of these probably won't make a huge difference, relatively speaking.

These aren't C frames -- PyFrameObject is an extraordinarily large struct (> 350 bytes baseline, for a bare frame with no locals, no cells, and no eval stack).

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