Re: Performance regression in CVS HEAD's *compilation* buffer

[David Kastrup <dak@gnu.org>]

Stefan Monnier <monnier@iro.umontreal.ca> 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