On Mon, 25 Mar 2013, Sašo Kiselkov wrote:
I *thought* that's what the original poster was decrying, his memory
throughput, as measured via in-memory tmpfs.
I understand that that's what his issue was, however, I'm not aware of
tmpfs having been designed with hundreds of MB/s of throughput in
mind... If he wants to test raw memory throughput, why not simply
On my 2-socket E5 system (2.7GHz variety) with 128GB RAM, I see 1.4
GB/s reported using the dd test:
% time dd if=/dev/zero of=/tmp/testfile1 bs=128k count=8k
8192+0 records in
8192+0 records out
1073741824 bytes (1.1 GB) copied, 0.741682 s, 1.4 GB/s
dd if=/dev/zero of=/tmp/testfile1 bs=128k count=8k 0.00s user 0.89s system 99%
cpu 0.898 total
Bob
--
Bob Friesenhahn
[email protected], http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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