Re: [Libevent-users] patch for realtime signal events in libevent-1.4.3-stable

2008-05-15 Thread Nick Mathewson
On Mon, May 12, 2008 at 05:39:51PM -0400, Phil Budne wrote:
 I needed to do apples-to-apples comparison between rtsignals and epoll
 for a client, so I fixed rtsig.c from 1.3e (see an earlier post) to
 compile, then fixed it to work, and ported that to 1.4.3-stable.
 
 NOTE WELL! Used only for benchmarking: the rtsig_dealloc routine may
 not free everything it needs to!

Out of curiousity, how did the benchmarks turn out?  Any reason to try
to get rtsig working again in the mainline distribution?

-- 
Nick
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Re: [Libevent-users] patch for realtime signal events in libevent-1.4.3-stable

2008-05-15 Thread Phil Budne
on Thu, 15 May 2008 Nick Mathewson wrote:
 Out of curiousity, how did the benchmarks turn out?  Any reason to try
 to get rtsig working again in the mainline distribution?

 Nick

On Fedora 8 (2.6.24.5-85.fc8), the results were consistantly a little
worse than epoll. I didn't check whether the benchmark ever causes
signal queue overflow, which is the nightmarish part of using RT
signals.

You can view plots at:
http://www.ultimate.com/phil/temp/libevent/
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