[Python-Dev] [ python-Patches-876206 ] scary frame speed hacks

[Greg Ewing]

Raymond Hettinger <python at rcn.com>:

> The patch eliminates the freelist in favor of keeping a single
> pre-made frame for each code block.  In addition to saving 
> a call to malloc(), the advantage is that the pre-made frame
> is custom to the code block and only half of fields need to
> be updated each time the code block is called.  

How about keeping a list of pre-made frames for each
code block? That would give you the best of both while
still only having two initialisation cases.

Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury,	   | A citizen of NewZealandCorp, a	  |
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