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Article #3122

Re: How do I give a batch program high execution priority?

#3122
From: Kai Uwe Rommel
Date: Sun, 20 Dec 1992 20:53
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In article <1gsr80INN7cb@gap.caltech.edu> brooke@cco.caltech.edu (Brooke Paul Anderson) writes:
>I'm running some very time-intensive number-crunching programs,
>and I need to know how to give them high execution priority.  On
>UNIX, you can give background jobs high priority -- at least, when
>the machine is idle (even if the screen saver turns on), the job
>uses most of the processor time.  On OS/2, it seems that is not the
>case (at least as things are set up by default).
>
>Does anyone know how I can make sure my program gets lots of processor
>time even when lockup has turned on (i.e., when I am running the program
>over night)?

The OS/2 version of the GNU shell utilities contains a program called
"nice" which does exactly what it's supposed to do - but has a few
more options to deal with OS/2's different priority classes.

Note, since OS/2 program always run (default) at the lowest priority
in their class (unless they change that themselves), only a command
like "nice -n -10 <job>" makes sense, i.e. increasing the priority as
if you were root on a Unix box.

Kai Uwe Rommel

--
/* Kai Uwe Rommel                                      Muenchen, Germany *
 * rommel@jonas.gold.sub.org                       Phone +49 89 723 4101 *
 * rommel@informatik.tu-muenchen.de                  Fax +49 89 723 7889 */

DOS ... is still a real mode only non-reentrant interrupt
handler, and always will be.                -Russell Williams
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From: rommel@jonas.gold.sub.org (Kai Uwe Rommel)
Newsgroups: comp.os.os2.programmer
Subject: Re: How do I give a batch program high execution priority?
Message-ID: <724884832rommel.root@jonas.gold.sub.org>
Date: 20 Dec 92 20:53:52 GMT
References: <1gsr80INN7cb@gap.caltech.edu>
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