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OpenMP in Pyclaw#527

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Commits on Oct 16, 2015

• Implemented OpenMP in the PyClaw step3ds.f90 for the dimensioanlly split algorithm. The unsplit algorithm can also be updated. Usage requires setting the environment variable OMP_NUM_THREADS before…

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• Fixed bug when OMP_NUM_THREADS env variable is not set, and uses nthreads=1

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• Added a comment related to a hack of adding and subtracting a variable in a dimension size in order to trick f2py into not making nthreads an optional argument. Otherwise it used nthreads=shape(qad…

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Commits on Oct 19, 2015

• Update solver.py

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Commits on Oct 29, 2015

• Updated solver.py to set the default number of threads to the number of CPUs when the OMP_NUM_THREADS environment varibale is unset. This is consistent with what OpenMP returns for omp_get_num_thre…

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• Merge branch 'pyclaw_openmp' of https://github.com/weslowrie/pyclaw into pyclaw_openmp

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Commits on Nov 5, 2015

• Updated implementation to use 1 OpenMP thread by default and give a warning that the 'OMP_NUM_THREADS' environment varibale is unset. This allows an unaware user to run their codes without any chan…

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• small simplification to OMP_NUM_THREADS env variable check.

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Commits on Nov 6, 2015

• Updated OpenMP warning to use the PyClaw logging. This prints to the console and to the log file.

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Commits on Jul 5, 2016

• Implemented OpenMP in the PyClaw step3ds.f90 for the dimensioanlly split algorithm. The unsplit algorithm can also be updated. Usage requires setting the environment variable OMP_NUM_THREADS before…

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• Added F90 and f2py options for OpenMP (-fopenmp, and gomp => -lgomp) so that when compiling 'classic3.so' the openmp lines are compiled.

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• Fixed bug when OMP_NUM_THREADS env variable is not set, and uses nthreads=1

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• removed debugging print statement

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• Updated solver.py to set the default number of threads to the number of CPUs when the OMP_NUM_THREADS environment varibale is unset. This is consistent with what OpenMP returns for omp_get_num_thre…

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• Updated implementation to use 1 OpenMP thread by default and give a warning that the 'OMP_NUM_THREADS' environment varibale is unset. This allows an unaware user to run their codes without any chan…

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• small simplification to OMP_NUM_THREADS env variable check.

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• Updated OpenMP warning to use the PyClaw logging. This prints to the console and to the log file.

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• Merge branch 'master' of https://github.com/weslowrie/pyclaw into pyclaw_openmp

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Commits on Nov 23, 2017

• Various changes to pyclaw. Updates to properly handle restarts using hdf5

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Commits on Nov 27, 2017

• Revert "Various changes to pyclaw. Updates to properly handle restarts using hdf5"

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• after_step readded to commit, and comments to be able to quickly switch from dimensional split to non-dimensional split solver.

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• Merge branch 'master' of https://github.com/weslowrie/pyclaw into pyclaw_openmp

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• removed the dimensional/non-dimensional split comments.

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