Re: Slow pthread_create() under high load

From: Robert de Vries (rhdv@rhdv.cistron.nl)
Date: Sun Mar 26 2000 - 05:26:14 EST

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On 25 Mar 2000, Ulrich Drepper wrote:

> Matthew Kirkwood <weejock@ferret.lmh.ox.ac.uk> writes:
>
> > > Pointers/authors/search keys for these patches?
> >
> > CLONE_PPID, CLONE_PARENT, CLONE_PPIDOK.
>
> ...and one patch to implement a shared signal queue.

That would be my patch:

http://www.rhdv.cistron.nl/sigqueue.html

It is beta however. It works, but the signal delivery seems a bit slow on
my single processor machine. Normal signal delivery takes < 2 microsecs,
using a shared queue, it takes 8 or 10 microsecs or so.

Robert

-- Robert de Vries rhdv@rhdv.cistron.nl

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