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+The idea of IMB is to provide a concise set of elementary MPI
+benchmark kernels. With one executable, all of the supported
+benchmarks, or a subset specified by the command line, can be run.
+The rules, such as time measurement (including a repetitive call
+of the kernels for better clock synchronization), message lengths,
+selection of communicators to run a particular benchmark (inside
+the group of all started processes) are program parameters.
+
+WWW: http://www.intel.com/cd/software/products/asmo-na/eng/cluster/mpi/219848.htm