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Diffstat (limited to 'benchmarks/CUDA/DG/readme')
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diff --git a/benchmarks/CUDA/DG/readme b/benchmarks/CUDA/DG/readme new file mode 100644 index 0000000..cd2e7e6 --- /dev/null +++ b/benchmarks/CUDA/DG/readme @@ -0,0 +1,73 @@ +# ------------------------------------------------------------------------ +# see the copyright information for MIDG in license.midg +# MIDG: a MIni Discontinuous Galerkin solver for CPUs or GPUS with MPI parallelism +# Copyright (c) 2008, Tim Warburton +# http://www.nudg.org +# ------------------------------------------------------------------------ + +# The following simulation codes all run in parallel +# using ParMetis for mesh partitioning and MPI for +# parallel computation. + +# First compile the ParMetis library +cd 3rdParty/ParMetis-3.1/ +make + +# you may need to adjust the paths for the MPI compilers in the Makefiles + +# ------------------------------------------------------------------------ + +# To compile the CPU/MPI only codes: + +# CPU+MPI+2d time-domain Maxwells (TM mode) with N=6 +make -f MakefileCPU2d N=6 clean +make -f MakefileCPU2d N=6 + +# CPU+MPI+3d timw-domain Maxwells with N=6 +make -f MakefileCPU3d N=6 clean +make -f MakefileCPU3d N=6 + +# ------------------------------------------------------------------------ + +# To compile the GPU/MPI only codes: + +# NOTE FOR GPU CODES: +# 1. you may wish to change the device assignment made +# near the start of the main function in MaxwellsDriver#d.m +# 2. you will need to have nvidia's cuda framework installed +# and may need to adjust the path that the Makefiles use +# to search for the nvcc compiler, libraries and include +# files + +# GPU+MPI+2d time-domain Maxwells (TM mode) with N=6 +make -f MakefileGPU2d N=6 clean +make -f MakefileGPU2d N=6 + +# GPU+MPI+3d timw-domain Maxwells with N=6 +make -f MakefileGPU3d N=6 clean +make -f MakefileGPU3d N=6 + + +# ------------------------------------------------------------------------ + +# To run the various configurations (in serial) with sample meshes: + +./MaxwellsCPU2d Meshes/block2.neu +./MaxwellsCPU3d Meshes/cubeK268.neu +./MaxwellsGPU2d Meshes/block2.neu +./MaxwellsGPU3d Meshes/cubeK268.neu + +# ------------------------------------------------------------------------ + +# To run the various configurations (in parallel using MPI) with sample meshes: + +mpirun -np 2 ./MaxwellsCPU2d Meshes/block2.neu +mpirun -np 2 ./MaxwellsCPU3d Meshes/cubeK268.neu + +mpirun -np 2 ./MaxwellsGPU2d Meshes/block2.neu +mpirun -np 2 ./MaxwellsGPU3d Meshes/cubeK268.neu + +# When running with multiple GPUs you may wish to adjust the device +# used by each cpu. + +# ------------------------------------------------------------------------ |