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Re: [Fkt-devel] performance issues in fxt


From: Samuel Thibault
Subject: Re: [Fkt-devel] performance issues in fxt
Date: Thu, 25 Aug 2011 17:23:23 +0200
User-agent: Mutt/1.5.21+34 (58baf7c9f32f) (2010-12-30)

François Trahay, le Thu 25 Aug 2011 17:19:53 +0200, a écrit :
> Actually fxt_next_ev calls 'read' several times, leading to a large overhead. 
> I managed to modify it so it reads 4KB blocks (reducing the number of calls 
> to 
> read and thus the total overhead) and the performance increases a lot: each 
> call to fxt_next_ev now cost approx 200ns.

Mmm, shouldn't we be able to simply use fread & co instead of read & co?

Samuel



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