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Re: Emacs using too much CPU


From: Satya Mishra
Subject: Re: Emacs using too much CPU
Date: 18 May 2004 12:09:12 -0600
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3

>>>>> "Stefan" == Stefan Monnier <address@hidden> writes:

    >> I found that the auto-save-timeout was at 30 seconds. So CPU
    >> usage was going up every 30 seconds. Hopefully that takes care
    >> of most problems.

    Stefan> auto-save shouldn't use much CPU if any (it's run rarely
    Stefan> for one, and even when it's run it should be quick, and
    Stefan> even if it takes a non-negligible amount of time (say for
    Stefan> a very large buffer, most of that time is spent waiting
    Stefan> for the disk rather than using the CPU).

 I think auto-save itself doesn't take that much time. But auto-save
also triggers gc, from the documentation of auto-save-timeout. I am
guessing that takes some CPU. Again my understanding is really very
limited. But these changes seem to have helped getting emacs to be
more responsive.

Satya

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