[squeak-dev] Cosmetic: move or remove a few temps inside closures

Eliot Miranda eliot.miranda at gmail.com
Mon Dec 28 03:50:13 UTC 2009

On Sun, Dec 27, 2009 at 12:30 PM, Nicolas Cellier <
nicolas.cellier.aka.nice at gmail.com> wrote:

> Sorry for the high level of noise...
> I profited by the low traffic to apply Eliot mechanised tool (
> http://www.mirandabanda.org/cogblog/2008/11/14/mechanised-modifications-and-miscellaneous-measurements
> )
> + own manual changes to remove as much writes as possible (in a short
> time frame) to remote (external scope) temporaries from within a
> closure.
> This should fast up a little bit the image (probably not that much
> until Cog is available).
> We shall now take the habit of declaring temps in inner scope possible
> and avoid writing in outer temps if possible.
> By now, the cosmetic changes has at least a virtue of serving as
> examples...

This is not purely cosmetic.  Block-local temps are more efficient than
method-level temps assigned inside blocks.  The latter are indirect temps
and cost more to access and cause blocks that use them to cost more to

> Cheers
> Nicolas
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