From: tmoran@acm.org
Subject: Re: Penalty of calling a protected operation or task-entry.
Date: Thu, 25 Sep 2003 19:30:44 GMT
Date: 2003-09-25T19:30:44+00:00 [thread overview]
Message-ID: <EnHcb.578044$Ho3.106949@sccrnsc03> (raw)
In-Reply-To: 8cGcb.25659$os2.355577@news2.e.nsc.no
>As I have understood there is a time-penalty when calling a protected
>operation or task-entry. Im thinking about adminstrative cost
Have you profiled your program and found that the protected
operations are the bottleneck?
>Is there some approach to remove penalty from the "read" operation?
If another task is doing a Write, then Read will have to suffer the
penalty of waiting. If not, then it depends on how efficient is your
particular system's implementation.
next prev parent reply other threads:[~2003-09-25 19:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-26 3:09 Penalty of calling a protected operation or task-entry Frank
2003-09-25 19:30 ` tmoran [this message]
2003-09-26 2:59 ` Steve
2003-09-26 18:00 ` Jeffrey Carter
-- strict thread matches above, loose matches on Subject: below --
2003-09-25 20:17 Beard, Frank Randolph CIV
2003-09-25 19:54 Beard, Frank Randolph CIV
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