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Re: Performance regression in CVS HEAD's *compilation* buffer
From: |
David Kastrup |
Subject: |
Re: Performance regression in CVS HEAD's *compilation* buffer |
Date: |
Sat, 29 Jan 2011 07:24:22 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
Stefan Monnier <address@hidden> writes:
>> I updated my CVS tree to HEAD today (2009-02-03, around noon PST),
>> compiled it, and started using it. My previous sync had been around
>> 2008-12-01. During that interval, the performance of inserting long
>> lines into the *compilation* buffer has dropped by an order of
>> magnitude.
>
> I've only recently started taking a look at compile.el and haven't had
> a chance to investigate this problem, but I just tried:
>
> M-x compile RET echo C-u 6400 x RET
>
> and it finished instantly.
Because that would arrive batched. Try
M-x compile RET echo C-u 6400 x | dd obs=1 RET
--
David Kastrup