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From Justin Erenkrantz <jerenkra...@ebuilt.com>
Subject Re: [PATCH] new lock APIs, rwlocks, condition variables
Date Tue, 04 Sep 2001 05:11:18 GMT
On Mon, Sep 03, 2001 at 09:42:34PM -0700, Aaron Bannert wrote:
> Just a point of clarification: I have every expectation that the new lock
> API will indeed be faster. In my own performance tests using the new
> lock code, it is operating faster. When I say "slower" above, I should
> have said that in my changes to httpd-2.0 to implement the new locks,
> I was seeing a reduced requests/second rating. I expect this to go away
> when all the kinks are worked out of the API.
> 
> It implementation should be identical to the old API, with a small number
> of the function pointers removed, with some other small performance fixes.

I'd like to first figure out why the lock code is faster independently
(by the Stevens test - I know he was getting like 50% better 
performance), but httpd became *slower* when actually used.

Things that make httpd slower don't make me very happy.  =-) 

I'm chatting with Aaron to see what's up with this and if I can
reproduce his results.  I'm scratching my head at this.  -- justin


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