Re: Distributing IPoIB interrupts

2013-01-14 Thread Ido Shamai
On 1/12/2013 6:52 PM, Christopher Mitchell wrote: Ido, These are dual-processor AMD Opteron systems with 8 physical cores per processor. I have libibverbs 1.1.6-1ubuntu1, libmlx4-1.0.4, and librdmacm 1.0.15-1 and friends, which appears to correspond to OFED 3.2 (cf. http://www.openfabrics.org/d

Re: Distributing IPoIB interrupts

2013-01-12 Thread Christopher Mitchell
Ido, These are dual-processor AMD Opteron systems with 8 physical cores per processor. I have libibverbs 1.1.6-1ubuntu1, libmlx4-1.0.4, and librdmacm 1.0.15-1 and friends, which appears to correspond to OFED 3.2 (cf. http://www.openfabrics.org/downloads/OFED/release_notes/OFED_3.2_rc1_release_not

Distributing IPoIB interrupts

2013-01-11 Thread Christopher Mitchell
Hi, One of my colleagues has been trying to benchmark the maximum performance of Mellanox ConnectX-3 Infiniband cards using IP over IB. He was able to use smp_affinity to distribute Ethernet packet-receive interrupts across many cores, and specify on which cores the interrupts occurred. With IPoIB