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GPU data management using OpenACC as well as OpenMP API #704

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merged 9 commits into from
Dec 9, 2021
Merged

GPU data management using OpenACC as well as OpenMP API #704

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97466ea
Add functions for using openmp or oacc
Dec 6, 2021
2a538ee
fix typo and merge: p -> h_ptr and CORENRN_PREFER_OPENMP_OFFLOAD -> C…
pramodk Dec 8, 2021
da86888
Fix update to => update from
Dec 8, 2021
6147642
More acc_* deletion
Dec 8, 2021
b5665fa
Fix missing pragmas
Dec 8, 2021
f4d3be5
Add -mp=gpu in order to link gpu runtime with tests as well
pramodk Dec 8, 2021
350fa55
temporary workaround for testing: IvocVect copying & association fail…
pramodk Dec 9, 2021
35d4cdf
Add nrn_assert for OpenMP target API checks
pramodk Dec 9, 2021
29b358a
Fix the issue with VecPlayContinious copy to gpu
pramodk Dec 9, 2021
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1 change: 1 addition & 0 deletions CMake/OpenAccHelper.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,7 @@ if(CORENRN_ENABLE_GPU)
# for a region then prefer OpenMP.
add_compile_definitions(CORENEURON_PREFER_OPENMP_OFFLOAD)
string(APPEND NVHPC_ACC_COMP_FLAGS " -mp=gpu -Minfo=mp")
string(APPEND NVHPC_ACC_LINK_FLAGS " -mp=gpu")
endif()
# avoid PGI adding standard compliant "-A" flags
set(CMAKE_CXX14_STANDARD_COMPILE_OPTION --c++14)
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