Enable OpenMP back-ends for clang-cuda

alpaka-group · Sep 8, 2023 · 368f60f · 368f60f
1 parent 3fc6626
commit 368f60f
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Showing 3 changed files with 1 addition and 24 deletions.
diff --git a/cmake/alpakaCommon.cmake b/cmake/alpakaCommon.cmake
@@ -385,10 +385,6 @@ if(alpaka_ACC_GPU_CUDA_ENABLE)
                 message(WARNING "If you are using CUDA 11.3 please note of the following issue: https://github.com/alpaka-group/alpaka/issues/1857")
             endif()
 
-            if(alpaka_ACC_CPU_B_OMP2_T_SEQ_ENABLE OR alpaka_ACC_CPU_B_SEQ_T_OMP2_ENABLE)
-                message(FATAL_ERROR "Clang as a CUDA compiler does not support OpenMP 2!")
-            endif()
-
             target_compile_options(alpaka INTERFACE $<$<COMPILE_LANGUAGE:CUDA>:-Wno-unknown-cuda-version>)
 
             # This flag silences the warning produced by the Dummy.cpp files:

diff --git a/script/job_generator/alpaka_filter.py b/script/job_generator/alpaka_filter.py
@@ -45,14 +45,4 @@ def alpaka_post_filter(row: List) -> bool:
     ):
         return False
 
-    # OpenMP is not supported for clang as cuda compiler
-    # https://github.com/alpaka-group/alpaka/issues/639
-    if row_check_name(row, DEVICE_COMPILER, "==", CLANG_CUDA) and (
-        row_check_backend_version(row, ALPAKA_ACC_CPU_B_OMP2_T_SEQ_ENABLE, "==", ON_VER)
-        or row_check_backend_version(
-            row, ALPAKA_ACC_CPU_B_SEQ_T_OMP2_ENABLE, "==", ON_VER
-        )
-    ):
-        return False
-
     return True
diff --git a/script/job_generator/versions.py b/script/job_generator/versions.py
@@ -42,23 +42,14 @@
             ALPAKA_ACC_CPU_B_TBB_T_SEQ_ENABLE,
         ],
         # ALPAKA_ACC_CPU_B_OMP2_T_SEQ_ENABLE,
-        # nvcc
+        # nvcc and clang-cuda
         [
             ALPAKA_ACC_CPU_B_SEQ_T_SEQ_ENABLE,
             ALPAKA_ACC_CPU_B_SEQ_T_THREADS_ENABLE,
             ALPAKA_ACC_CPU_B_OMP2_T_SEQ_ENABLE,
             ALPAKA_ACC_CPU_B_SEQ_T_OMP2_ENABLE,
             ALPAKA_ACC_GPU_CUDA_ENABLE,
         ],
-        # clang-cuda
-        # OpenMP is not supported for clang as cuda compiler
-        # https://github.com/alpaka-group/alpaka/issues/639
-        # therefore a extra combination is required
-        [
-            ALPAKA_ACC_CPU_B_SEQ_T_SEQ_ENABLE,
-            ALPAKA_ACC_CPU_B_SEQ_T_THREADS_ENABLE,
-            ALPAKA_ACC_GPU_CUDA_ENABLE,
-        ],
         # hip
         [
             ALPAKA_ACC_CPU_B_SEQ_T_SEQ_ENABLE,