From: Matthias Fechner <idefix@fechner.net>
To: linuxppc-embedded@ozlabs.org
Subject: Re: MPC5200B memory performance
Date: Wed, 16 May 2007 20:03:00 +0200 [thread overview]
Message-ID: <20070516180259.GA23085@server.idefix.lan> (raw)
In-Reply-To: <DD39B5C3F4963040ADC9768BE7E430CB01EB1FEF@is-hdq-exchange.marel.net>
Hello Daniel,
* Daniel Schnell <daniel.schnell@marel.com> [15-05-07 11:22]:
> I get the following values on my board:
my result is:
Test (10000) memcpy of sizes (1024) ....
10000 memcpy. Time per memcpy: 1814 [nsec] (564 MB/sec)
finished.
Test (10000) memcpy of sizes (2048) ....
10000 memcpy. Time per memcpy: 3433 [nsec] (596 MB/sec)
finished.
Test (10000) memcpy of sizes (4096) ....
10000 memcpy. Time per memcpy: 6687 [nsec] (612 MB/sec)
finished.
Test (10000) memcpy of sizes (8192) ....
10000 memcpy. Time per memcpy: 21454 [nsec] (381 MB/sec)
finished.
Test (10000) memcpy of sizes (16384) ....
10000 memcpy. Time per memcpy: 205551 [nsec] (79 MB/sec)
finished.
Test (1000) memcpy of sizes (32768) ....
1000 memcpy. Time per memcpy: 379875 [nsec] (86 MB/sec)
finished.
Test (1000) memcpy of sizes (51200) ....
1000 memcpy. Time per memcpy: 588792 [nsec] (86 MB/sec)
finished.
Test (1000) memcpy of sizes (102400) ....
1000 memcpy. Time per memcpy: 1126511 [nsec] (90 MB/sec)
finished.
Test (100) memcpy of sizes (1048576) ....
100 memcpy. Time per memcpy: 11307890 [nsec] (92 MB/sec)
finished.
Test (10) memcpy of sizes (10485760) ....
10 memcpy. Time per memcpy: 120783600 [nsec] (86 MB/sec)
finished.
Test (5) memcpy of sizes (52428800) ....
5 memcpy. Time per memcpy: 673867800 [nsec] (77 MB/sec)
finished.
Best regards,
Matthias
--
"Programming today is a race between software engineers striving to
build bigger and better idiot-proof programs, and the universe trying to
produce bigger and better idiots. So far, the universe is winning." --
Rich Cook
next prev parent reply other threads:[~2007-05-16 18:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-15 11:22 MPC5200B memory performance Daniel Schnell
2007-05-16 18:03 ` Matthias Fechner [this message]
2007-05-18 10:27 ` Daniel Schnell
-- strict thread matches above, loose matches on Subject: below --
2007-05-15 15:14 Fillod Stephane
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