In this guest feature, QLogic’s Joe Yaworski writes about improving collective performance on InfiniBand. Today’s HPC clusters tend to be larger in terms of node count, and each node is now using ...
One of the key themes to improving the performance of clusters running simulations has been the offloading of common routines from the central processors in the servers to accelerators in the network ...
Cisco’s Jeff Squyres writes that the MPI-3 non-blocking “barrier” collective (MPI_Ibarrier) may seem counter-intuitive, but it is actually very useful. I mean, why would you block while waiting?
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