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From: Xavier Leroy <Xavier.Leroy@inria.fr>
To: William Chesters <williamc@dai.ed.ac.uk>, caml-list@inria.fr
Subject: Re: threads & OCamlTK
Date: Tue, 23 Mar 1999 17:08:33 +0100	[thread overview]
Message-ID: <19990323170833.09460@pauillac.inria.fr> (raw)
In-Reply-To: <199903222004.UAA06832@toy.william.bogus>; from William Chesters on Mon, Mar 22, 1999 at 08:04:33PM +0000

> Trevor Jim writes:
>  > I've been using camltk with threads for a while.  I find it is faster
>  > to run Tk as its own process -- the thread scheduler doesn't seem to
>  > do a good job with Tk involved.
>    Yes, I have found the same (Linux w/pthreads).  CPU usage varies
> between 20% at best and near zero at worst, depending on what else is
> going on (that's why I originally thought Tk blocked threads
> completely!).

Several users reported big slowdowns in CamlTk programs using native
threads.  I have no idea on what is causing this (Tcl/Tk itself, the
native threads interface, LinuxThreads, etc), but if anyone has a
small program that reproduces the problem, I'll look at it.

- Xavier Leroy




  reply	other threads:[~1999-03-24 14:16 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1999-03-15 15:05 Don Syme
1999-03-16 17:18 ` Francois Rouaix
1999-03-16 17:42   ` Jun P. Furuse
1999-03-22 18:39 ` Trevor Jim
1999-03-22 20:04   ` William Chesters
1999-03-23 16:08     ` Xavier Leroy [this message]
1999-03-23 15:07   ` Jerome Vouillon
1999-03-24 17:27     ` William Chesters
1999-03-16 17:32 William Chesters
1999-03-17 15:02 Don Syme
1999-03-17 15:57 ` William Chesters

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