Re: [PATCH] Split futex global spinlock futex_lock

From: Ulrich Drepper
Date: Wed Sep 10 2003 - 02:39:52 EST


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William Lee Irwin III wrote:

> This looks nice and straightforward. How much did it speed up the
> benchmarks?

I just tested it on a UP P4 HT machine. I wouldn't expect much
difference here, bigger machines should show more (I'll try to get
things to work on my 4p machine). Volano performance increased by a bit
(~1%) but this is close to the error range.

Before: about 15479 messages per second
Now: about 15615 messages per second

The glibc test suite still passes so the code should be fine.

- --
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Ulrich Drepper \ ,-----------------' \ Mountain View, CA 94041 USA
Red Hat `--' drepper at redhat.com `---------------------------
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