Subject: Re: MPC5200B memory performance

From: Matthias Fechner <[email-masked]>
Date: Wed, 16 May 2007 20:03:00 +0200

Hello Daniel,

* Daniel Schnell <[email-masked]> [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

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