cs240a-mpi

cs240a-mpi - CS 240A: Models of parallel programming:...

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CS 240A: Models of parallel programming: Distributed memory and MPI
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Generic Parallel Machine Architecture Key architecture question: Where and how fast are the interconnects? Key algorithm question: Where is the data? Proc Cache L2 Cache L3 Cache Memory Storage Hierarchy Proc Cache L2 Cache L3 Cache Memory Proc Cache L2 Cache L3 Cache Memory p o t e n i a l r c s
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Parallel programming languages Many have been invented – *much* less consensus on what are the best languages than in the sequential world. Could have a whole course on them; we’ll look just a few. Languages you’ll use in homework : C with MPI (very widely used, very old-fashioned) Cilk++ (a newer upstart) Use any language you like for the final project!
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Some models of parallel computation Computational model Shared memory SPMD / Message passing SIMD / Data parallel Partitioned global address space (PGAS) Hybrids … Languages Cilk, OpenMP, Pthreads … MPI Cuda, Matlab, OpenCL, … UPC, CAF, Titanium ???
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This note was uploaded on 12/27/2011 for the course CMPSC 240A taught by Professor Gilbert during the Fall '09 term at UCSB.

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cs240a-mpi - CS 240A: Models of parallel programming:...

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