Hi!,

Today I needed to measure some memory bandwidths of these four architectures.

I have nodes of a cluster with the following features:

Dell PowerEdge M600:
– 2 sockets
– 2x Intel Xeon E5410, 4c (Harpetown), UMA with front-side-bus
– 15GiB FB-DIMM DDR2 667Mhz

Dell PowerEdge M605
– 2 sockets
– 2x AMD Opteron 2345, 4c (Barcelona), NUMA
– 32 GiB DDR2 800Mhz

Dell PowerEdge M610
– 2 sockets
– 2x Intel Xeon E5645, 6c (Westmere-EP), NUMA
– 32 GiB DDR3 1333Mhz

AMD Node
– 4 sockets
– 4x AMD Opteron 6272, 12c (Interlagos), NUMA
– 256GB (n/d)

Here is how I did it: Continue reading →