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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: File output and buffering
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Date: Wed, 20 Aug 2008 17:39:12 +0200
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Date: 2008-08-20T17:39:14+02:00
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On Wed, 20 Aug 2008 07:44:48 -0700 (PDT), Maciej Sobczak wrote:

> On 20 Sie, 11:21, "Dmitry A. Kazakov" <mail...@dmitry-kazakov.de>
> wrote:
> 
>> BTW, buffering does not make I/O faster. It obviously does the opposite.
> 
> You must be using some strange timer or a specially distorted
> definition of I/O.
> 
> Buffering allows to minimize the overhead that is there per each
> physical output operation.

Buffering is used to make I/O in an asynchronous and/or conveyered way.
That does not make I/O faster in terms of latencies.

Any language buffer on top of numerous layered buffers, typical for an OS,
adds nothing, but overhead.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de