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bug#6600: [PATCH] sort: add --threads option to parallelize internal sor

From: Paul Eggert
Subject: bug#6600: [PATCH] sort: add --threads option to parallelize internal sort.
Date: Fri, 09 Jul 2010 19:54:26 -0700
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20100527 Thunderbird/3.0.5

On 07/09/10 18:07, Pádraig Brady wrote:
> Chen Guo wrote:
>> That happened when more than one instance of memcoll is called on the same
>> line at once, since memcoll replaces the eolchar with '\0'. Under our 
>> approach,
>> the same line shouldn't ever be compared at the same time, so we're fine.

Ah, sorry, I wasn't aware of that.

> I'm thinking of dropping
> the whole xmemcoll0() thing altogether assuming your
> statement above is correct, that a particular line will
> not be used at the same time by multiple threads.

Yes, that makes sense.  We can revert that change from gnulib, since it
makes gnulib bigger unnecessarily.

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