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From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@9fans.net
Subject: Re: [9fans] Question about fossil
Date: Sun,  8 Jun 2014 13:06:01 -0400	[thread overview]
Message-ID: <b82bb4ded2d9b768c4a5a3694d738c1b@brasstown.quanstro.net> (raw)
In-Reply-To: <20140608165601.19C4DB827@mail.bitblocks.com>

> The last time I measured this (Aug 2012) raw disk write was
> 10MB/s, file writes were 2MB/s. On the same h/w & disk linux
> got 25MB/s (don't recall file throughput). And Linux gets
> 11.3MB/s ethernet throughput compared 3.7MB/s on 9pi (both
> with ttcp). Linux tcp throughput is close to linespeed.

i can push the usb hard enough to trigger bugs.  :-)
i usually get about 6MB/s.

there's only one trick: use qmalloc instead of pool.
pool astounds with its slowness.  the code is in 9atom.

- erik



  reply	other threads:[~2014-06-08 17:06 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-07 20:39 Riddler
2014-06-07 23:17 ` Steve Simon
2014-06-07 23:49   ` Riddler
2014-06-08  8:04     ` erik quanstrom
2014-06-09 20:25       ` Riddler
2014-06-08  8:30     ` Steve Simon
2014-06-08  8:39       ` erik quanstrom
2014-06-08  7:03 ` Bakul Shah
2014-06-08  7:56   ` erik quanstrom
2014-06-08 16:56     ` Bakul Shah
2014-06-08 17:06       ` erik quanstrom [this message]
2014-06-10 10:59       ` Nicolas Bercher
2014-06-09 20:21   ` Riddler
2014-06-09 21:12     ` Lyndon Nerenberg
2014-06-09 21:25       ` erik quanstrom
2014-06-09 21:52         ` Bakul Shah
2014-06-09 22:22           ` erik quanstrom
2014-06-09 22:36             ` Bakul Shah
2014-06-10  0:15               ` Brian L. Stuart
2014-06-10  4:24                 ` Bakul Shah

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