Path: utzoo!attcan!uunet!wuarchive!texbell!texsun!newstop!sun!shukra!ram From: ram@shukra.Sun.COM (Renu Raman) Newsgroups: comp.arch Subject: Re: Cycle Counter Message-ID: <121192@sun.Eng.Sun.COM> Date: 12 Aug 89 23:04:18 GMT References: Sender: news@sun.Eng.Sun.COM Reply-To: ram@sun.UUCP (Renu Raman) Distribution: comp Organization: Sun Microsystems, Mountain View Lines: 17 In article grunwald@flute.cs.uiuc.edu writes: > >Hi, > >Another ``how much does this cost'' question. > >When doing performance monitoring, benchmarking or profiling, you want >a high-resolution timer. Some systems have microsecond timers, and >those are considered pretty snazzy; I know I was overjoyed when I >found one on the Encore. Normal machines, e.g., a Sun, have about 5 >millisecond resolution. That's pathetic. Depends on what kind of a "normal" Sun you have. Anything since SPARCstation should have a micro-second timer (only 21 bits tho') - so 2 second is all you have if you want to watch anything. renu raman