Re: [PATCH] Teach "git add" and friends to be paranoid

From: Dmitry Potapov <dpotapov@gmail.com>
Date: Feb 22, 2010, 16:01 UTC
Message-ID: <37fcd2781002220801q2bdb553g15c0a99301a27283@mail.gmail.com>
In-Reply-To: <alpine.LFD.2.00.1002221033120.1946@xanadu.home>

On Mon, Feb 22, 2010 at 6:40 PM, Nicolas Pitre <nico@fluxnic.net> wrote:

>
> read() is not always a winner.  A read() call will always have the data
> duplicated in memory.  Especially with large files, it is more efficient
> on the system as a whole to mmap() a 50 MB file rather than allocating

Agreed. I meant it was faster on data that I measured, which was <=1Mb. IMHO, read() should be used up to 64Kb.

Dmitry

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