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Date: Mon, 17 Aug 2015 13:49:27 +0200
Message-ID: <CAF-3MvM8-+KxP3xr4vF2=c7o4vqCRdPkzQWjHLECzf3Jx8sqxw@mail.gmail.com>
Subject: Re: ix(intel) vs mlxen(mellanox) 10Gb performance
From: Alban Hertroys <haramrae@gmail.com>
To: Slawa Olhovchenkov <slw@zxy.spb.ru>
Cc: Daniel Braniss <danny@cs.huji.ac.il>, FreeBSD Net <freebsd-net@freebsd.org>,
 FreeBSD stable <freebsd-stable@freebsd.org>
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On 17 August 2015 at 13:39, Slawa Olhovchenkov <slw@zxy.spb.ru> wrote:

> In any case, for 10Gb expect about 1200MGB/s.

Your usage of units is confusing. Above you claim you expect 1200
million gigabytes per second, or 1.2 * 10^18 Bytes/s. I don't think
any known network interface can do that, including highly experimental
ones.

I suspect you intended to claim that you expect 1.2GB/s (Gigabytes per
second) over that 10Gb/s (Gigabits per second) network.
That's still on the high side of what's possible. On TCP/IP there is
some TCP overhead, so 1.0 GB/s is probably more realistic.

WRT the actual problem you're trying to solve, I'm no help there.
-- 
If you can't see the forest for the trees,
Cut the trees and you'll see there is no forest.