Software Development on Quest

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Stuck? Need help? quest-help@northwestern.edu OpenMP • API for writing multi-threaded applications. o Explicit parallelism. • Use the following compiler flags to "turn on" OpenMP compilations: GNU Intel -fopenmp -openmp • Set OMP_NUM_THREADS prior to program execution to a value no greater than the number of available cores on a target platform.
Stuck? Need help? quest-help@northwestern.edu Single core optimization • Iterative process. • Entirely application dependent. • Different ways to achieve it • Compiler options • Performance libraries • Code optimizations after identifying and modifying hotspots
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Page 11 and 12: Ideal for large codes, with many br
Page 13 and 14: Best for codes which are floating p
Page 17 and 18: program MAIN integer::ndim=2,niter=
Page 21 and 22: Step 1 Compile with PGO Stuck? Need
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Software Development on Quest

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