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Re: Elisp native profiler

From: Paul Eggert
Subject: Re: Elisp native profiler
Date: Mon, 01 Oct 2012 22:28:00 -0700
User-agent: Mozilla/5.0 (X11; Linux i686; rv:15.0) Gecko/20120912 Thunderbird/15.0.1

On 10/01/2012 07:06 PM, Stefan Monnier wrote:
> Isn't there another difference in that your code samples at a rate
> determined by the wall-clock time rather than the cpu-time of the process?

I'm afraid many POSIXish systems get this wrong too.  Some don't
even claim to support CPU-time timers.  Others claim to, but
silently substitute wall-clock time.  One really can't take sample
intervals as if they were gospel; they're not.  It's better to
think of them as just samples of the CPU.

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