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Re: Emacs 23.0 is much slower starting than Emacs 22.3

From: Eli Zaretskii
Subject: Re: Emacs 23.0 is much slower starting than Emacs 22.3
Date: Fri, 24 Oct 2008 11:30:37 +0200

> Date: Thu, 23 Oct 2008 23:47:51 +0100
> From: David De La Harpe Golden <address@hidden>
> CC: address@hidden, address@hidden, address@hidden
> Haven't got to that that - however, insert-file-contents may only 
> account for < 10% of the total time spent in find-file-noselect-1, at 
> least according to the elp profiler. Though it may not work right at all 
> on C functions? (note doubled call count) - However, I then wrapped the 
> insert-file-contents call in find-file-noselect-1 in an elisp helper 
> function (find-file-noselect-1-h below) and got a quasi-consistent 
> figure for it, see [1] below for results, suggesting it may really be 
> that small?

How do these measurements compare with Emacs 22?

> [Aside: Also turns out upping gc-cons-threshold shaves 2 secs off that 7 
> sec time for 180 files.  Just maybe opening a bunch of files one after 
> the other causes the memory usage to grow rapidly, causing the gc to 
> kick in... so that's one, though probably fairly necessary, slowdown]

Can you try to find out who does so much consing that triggers GC?
And how does this compare with Emacs 22?


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