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From Jeff Trawick <>
Subject Re: cvs commit: apache-2.0/src/modules/standard mod_include.c
Date Sat, 14 Oct 2000 05:48:13 GMT
"William A. Rowe, Jr." <> writes:

> We've indirected the bucket object's vtble into it's own object. What's
> the issue here?  Based on the cpu's cache and the frequency we hit these 
> vtbls (see Roy's latest lecture), they should already land in cache.
> I guess I want to know what performace hit you are seeing, it can't
> simply be the indirection.

In this case, in-the-cache means not as much extra overhead as there
could be.

> I like the thought of being able to extend -what- filters can do, and
> -how- they can do them.  Extending into the vast unknown future bucket
> types seems useful in ways we can't predict yet.  I'm just making certain
> that your performance issue is really the issue, or did we jam things up
> somewhere else?

Nobody is speaking against such an extension; I'm definitely for it.
What I'm speaking about is more code in the path which we don't need.

Jeff Trawick | | PGP public key at web site:
          Born in Roswell... married an alien...

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