Date: Sat, 5 Oct 2002 04:40:17 GMT
Reply-To: "Richard A. DeVenezia" <radevenz@IX.NETCOM.COM>
Sender: "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From: "Richard A. DeVenezia" <radevenz@IX.NETCOM.COM>
Organization: EarthLink Inc. -- http://www.EarthLink.net
Subject: Re: SAS is slow? (cpu time, etc)
Content-Type: text/plain;
"Mauro Morandin" <my_family_name@libero.it> wrote in message
news:3D9E02D8.9030907@libero.it...
>
>
> Puddin' Man wrote:
> > Well, it appears that our subject line has
> > been usurped ... :-)
> >
> > Re: SAS is slow? (cpu time, etc)
snips
>
> Again you should ask SI as to what exactly gets reported as CPU time.
> I have the experience that CPU time IS CPU time, so idle time (like I/O
> waits) is not in here. You find it added to the real time reported by
> SAS. Anyway, with SAS writing in asynchronus mode to the filesystem the
> real time figure is of no importance.
>
On Windows, try "perfmon" to get a much better indication of SAS i/o and
memory performance.
> >
> > That appears to be the case for my little Whinney-Doze.
> > Of course, this means that "cpu time" doesn't necessarily
> > measure cpu cycle consumption correctly.
> >
>
> SAS again doesn't measure anything, it takes this info from the
> operating system. SAS is not an operating system. It seems that you are
> mixing things up a bit.
>
>
snips
--
Richard A. DeVenezia
http://www.devenezia.com/downloads/sas/macros/#FindFiles
|