Re: Mercurial 0.3 vs git benchmarks

From: H. Peter Anvin <hpa@zytor.com>
Date: Apr 27, 2005, 20:35 UTC
Message-ID: <426FF799.4000501@zytor.com>
In-Reply-To: <20050427190144.GA28848@cip.informatik.uni-erlangen.de>

Thomas Glanzmann wrote:

Show 13 quoted lines

> Hello,
> 
> 
>>Directory hashing slows down operations that do linear sweeps through 
>>the filesystem reading every single file, simply because without 
>>dir_index, there is likely to be a correlation between inode order and 
>>directory order, whereas with dir_index, readdir() returns entries in 
>>hash order.
> 
> 
> thank you for the awareness training. Than mutt should be slower, too.
> Maybe I should repeat that tests.
>

Only if you read every single file in each directory every time. I thought mutt did header indexing and thus didn't need to do that.

	-hpa

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