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Re: High run time variance

From: Andy Wingo
Subject: Re: High run time variance
Date: Thu, 05 Aug 2010 19:43:29 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux)

On Thu 05 Aug 2010 18:21, Luca Saiu <address@hidden> writes:

> Andy Wingo wrote:
>> The toplevel references to bitvector-set! don't get cached, so the
>> bitvector-set! gets looked up every time, and there is some unfortunate
>> allocation in scm_from_locale_symboln. If you put it in a function,
>> the variable gets cached, and there's no allocation.
> So that was a corner case.  Sorry for the noise.

Well, arguably it's still a bit stupid to be slow there, so it could be
our bug...


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