[Beowulf] Opteron memory rank limits with DDR-400

[Greg Lindahl]

On Wed, Jul 27, 2005 at 11:12:54PM +0200, Vincent Diepeveen wrote:

> How do i check what clock it runs the memory?

Use the lmbench lat_mem_rd program instead of your program, and
compare to the numbers reported by other people. You're just asking
for trouble when you measure several things at once, when all you want
to know is the clock that the RAM is running at, not anything about
TLB fills.

-- greg