Re: autotest speedups

[Paolo Bonzini]

Eric Blake wrote:
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And so it begins.  When compiling autoconf's tests/testsuite, we were
doing more than 7000 regex compilations just to determine the basename of
the current file; after this patch, only 24.

Anybody figured out where autotest spends time *at runtime*?  I tried to 
track something there, but never really got anywhere.

Paolo