On Wed, Mar 21, 2007 at 08:40:43AM +1100, Hamish Moffatt wrote:
> Same here fwiw. Dual channel on socket 939 is giving 900Mb/sec on the
> hdparm cache test.

Hmm, how odd.  Either my measurements are wrong or something else is
odd.

I am using 2.6.11 kernel, Athlon 64 3500+, Socket 939, Asus A8V Deluxe
board (K8T800Pro chipset), hdparm version 6.1.

That gives 1680MB/s.

Now if I try it with hdparm version 6.9 I get 895MB/s.  So either the
old or the new hdparm is giving the wrong value.  How odd.

At least that explains why your values don't match mine.

The changelog for hdparm v6.9 has:
"fix X2 over-reporting of -T results" so I guess that might explain it.
Make sure you measure using v6.9 or above then on both systems.

--
Len Sorensen


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