Tom,

> Having said that, I'm not sure it'd help your problem.  If your query is
> using more than 32 regexes concurrently, it likely is using $BIGNUM
> regexes concurrently.  How do we fix that?

Hmmm.  I think there's a lot of ground between 32 and $BIGNUM.  For example, 
where I'm hitting a wall is 300 regexes.  Some quick testing on my opteron 
text machine right now shows that the execution time difference between 20rx 
and 50rx is around 20x.

-- 
Josh Berkus
PostgreSQL @ Sun
San Francisco

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