MPI

Parallel code, benefits and pit-falls

hpc, MPI, programming
Most high end platforms for high performance computing are equipped with multi-core CPUs.  In order to fully utilize the CPUs multiple jobs must be run on each platform or the code must be changed to utilize multiple CPUs.  There are…
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C vs Fortran

MPI, programming
Surprisingly, given the proliferation of C code, Fortran out-performs C in many areas.  Fortran allows better numerical array manipulation, provides a rich set of highly optimized precision numeric functions making it more predictable and faster than C and also provides…
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CHPC Parallel Architecture Course

hpc, MPI, programming
Timothy Carr and Andrew Lewis attended a 3 day parallel architecture course at the Center for High Performance Computing in Mowbray.  The course covered new chip designs as well as programming methdology for OpenMP and MPI.  The course was run…
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