Serious performance regression -- some tree optimizer questions

David Edelsohn dje@watson.ibm.com
Sat Dec 18 00:07:00 GMT 2004


	The new tree-level loop optimizations are, well, new.  They are a
work in progress and need some more tuning.  I believe that there are some
more patches in the wings that can help loop performance further.
However, there is a delicate balance between fixing performance
regressions and not introducing new bugs.  We need to see what changes the
fixes entail.

David



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