Performance numbers of MVAPICH2-X on Sandy Bridge Architecture (05/06/13)

• Experimental Testbed: Each node of our testbed has two 8-core 2.6 GHz Intel Xeon E5-2670 (Sandy Bridge) processors and 32 GB main memory. The nodes support 16x PCI Express Gen3 interfaces and are equipped with Mellanox ConnectX-3 FDR HCAs with PCI Express Gen3 interfaces. The operating system used was RedHat Enterprise Linux Server release 5.4 (Tikanga). The processes were bound to core 1 on both nodes

• MVAPICH2-X currently delivers UPC put latency of 0.4 microseconds for 4 bytes, UPC get latency of 1.7 microseconds for 4 bytes.