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Article #23436Re: Win95 performance counter interface?
From: Andy Glew
Date: Fri, 04 Dec 1998 00:00
Date: Fri, 04 Dec 1998 00:00
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1632 bytes
> Imagine how slow your computer would be if there was a routine which > was called on every cache miss! Surely that would bias the results > though... So go off and take an interrupt every 1000 cache misses, or every 10,000,000 cache misses, or, better yet, a random number no small than 1000, with Poisson statistics, and mean time to deliver 10,000,000. Statistical sampling. It's good for what performance problems ail you.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 114917,80c509bc716c6415 X-Google-Attributes: gid114917,public X-Google-Thread: f9d87,80c509bc716c6415 X-Google-Attributes: gidf9d87,public X-Google-Thread: 110292,80c509bc716c6415 X-Google-Attributes: gid110292,public X-Google-Thread: 102b75,80c509bc716c6415 X-Google-Attributes: gid102b75,public From: Andy Glew <glew@cs.wisc.edu> Subject: Re: Win95 performance counter interface? Date: 1998/12/04 Message-ID: <7493nu$bar$1@winter.news.rcn.net> X-Deja-AN: 418661568 Content-Transfer-Encoding: 7bit Approved: <johnfine@erols.com> References: <72kj98$lpj$1@autumn.news.rcn.net> <73p61n$3tr$1@winter.news.rcn.net> <73ppdc$bif$1@winter.news.rcn.net> <742ipp$gm8$6@winter.news.rcn.net> <747amm$5da$1@winter.news.rcn.net> <747nvg$o2q$3@winter.news.rcn.net> X-Accept-Language: en Content-Type: text/plain; charset=us-ascii X-Mozilla-Status: 0801 X-Complaints-To: abuse@rcn.com X-Trace: 0ZZJkjZ6pVBDG+GQ79PLKtYRSrnxwGqrIlLiXjAisYQ= Organization: U Wisc CS (& Intel) Mime-Version: 1.0 NNTP-Posting-Date: 4 Dec 1998 16:47:58 GMT Newsgroups: comp.arch,comp.lang.asm.x86,comp.sys.intel,intel.microprocessors.pentium_ii