Re: General Runtime Information - Requests given to unlinkd

From: Chris Wedgwood <>
Date: Sun, 20 Sep 1998 15:23:47 +1200

On Sat, Sep 19, 1998 at 08:57:34PM -0600, Alex Rousskov wrote:

> Care to benchmark the performance of a Unix pipe compared to a
> shared memory with locks? Any known studies that have done that?

Done right, shared memory with user-space locks typically take 10s of
cycles or less.

Using a pipe or fifo is going to take 100 times or longer.

Not that either of these things are necessarily relevant to squid.

Received on Tue Jul 29 2003 - 13:15:54 MDT

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