From: Xavier Roche <roche+kml2@exalead.com>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: Inter-process send()/recv() using zero-copy ?
Date: Wed, 23 Sep 2009 09:04:25 +0200 [thread overview]
Message-ID: <4AB9C879.1090709@exalead.com> (raw)
In-Reply-To: <20090923084314.78283f24@infradead.org>
Arjan van de Ven wrote:
> 1) memory copies are cheap
> (say, 3000 cycles/page or less)
Yes, but this case would be more than useful for large memory blocks
(typically memory_size/N, with N typically 2..10) -- something you
generally have when you deal with mmap'ed blocks.
prev parent reply other threads:[~2009-09-23 7:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-23 6:01 Inter-process send()/recv() using zero-copy ? Xavier Roche
2009-09-23 6:43 ` Arjan van de Ven
2009-09-23 6:51 ` Nikita V. Youshchenko
2009-09-23 7:04 ` Xavier Roche [this message]
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