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Mail Archives: cygwin/1998/06/17/18:14:54

From: jason_zions AT interix DOT com (Jason Zions)
Subject: RE: using timers causes performance limit
17 Jun 1998 18:14:54 -0700 :
Message-ID: <31AA903A2A1FD111A06300805F4B6D6401A7402F.cygnus.gnu-win32@ssi2.opennt.com>
Mime-Version: 1.0
To: "'kh AT wg DOT icl DOT co DOT uk'" <kh AT wg DOT icl DOT co DOT uk>,
"Gnuwin95 (E-mail)"
<gnu-win32 AT cygnus DOT com>

Which timer are you using - ITIMER_REAL or some other timer?

Jason

-----Original Message-----
From: Kevin Hughes [mailto:kh AT wg DOT icl DOT co DOT uk]

I have noticed that my mill bound job is "throttled" when I use the "Unix"
timers. If I run the job without ever setting up a timer then I get 100% of
the mill. If I set a periodic timer - using the setitimer function then I
only get 50% of the CPU - the rest appears to be lost. By lost I mean I
don't get it nor does the system idle task.
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