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Add hipstdpar support to BabelStream #195

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9d4cc72
Add support for hipstdpar
gsitaram Apr 29, 2024
9f67c5f
Remove --hipstdpar-path as it is not needed with ROCm 6.1 onwards
gsitaram Apr 30, 2024
6bd658c
Merge pull request #1 from gsitaram/hipstdpar
afanfa Apr 30, 2024
7e5c410
Change definition names to be more specific to AMD GPUs
gsitaram Jun 13, 2024
cf2e1b3
Merge pull request #2 from gsitaram/hipstdpar
gsitaram Jun 20, 2024
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24 changes: 24 additions & 0 deletions src/std-data/model.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,21 @@ register_flag_optional(USE_ONEDPL
This requires the DPC++ compiler (other SYCL compilers are untested), required SYCL flags are added automatically."
"OFF")

register_flag_optional(AMDGPU_TARGET_OFFLOAD
"Enable offloading support (via the non-standard `-stdpar`) for
Clang/LLVM. The values are AMDGPU processors (https://www.llvm.org/docs/AMDGPUUsage.html#processors)
which will be passed in via `--offload-arch=` argument.

Example values are:
gfx906 - Compile for Vega20 GPUs
gfx908 - Compile for CDNA1 GPUs
gfx90a - Compile for CDNA2 GPUs
gfx942 - Compile for CDNA3 GPUs
gfx1030 - Compile for RDNA2 NV21 GPUs
gfx1100 - Compile for RDNA3 NV31 GPUs"
"")


macro(setup)
set(CMAKE_CXX_STANDARD 17)
if (NVHPC_OFFLOAD)
Expand All @@ -50,4 +65,13 @@ macro(setup)
register_definitions(USE_ONEDPL)
register_link_library(oneDPL)
endif ()
if (AMDGPU_TARGET_OFFLOAD)
set(AMDGPU_TARGET_OFFLOAD_FLAGS --hipstdpar --offload-arch=${AMDGPU_TARGET_OFFLOAD})
if (NOT AMDGPU_TARGET_OFFLOAD MATCHES "^gfx9")
list(APPEND AMDGPU_TARGET_OFFLOAD_FLAGS --hipstdpar-interpose-alloc)
endif ()

register_append_cxx_flags(ANY ${AMDGPU_TARGET_OFFLOAD_FLAGS})
register_append_link_flags(--hipstdpar)
endif ()
endmacro()
25 changes: 25 additions & 0 deletions src/std-indices/model.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,22 @@ register_flag_optional(USE_ONEDPL
This requires the DPC++ compiler (other SYCL compilers are untested), required SYCL flags are added automatically."
"OFF")

register_flag_optional(AMDGPU_TARGET_OFFLOAD
"Enable offloading support (via the non-standard `-stdpar`) for
Clang/LLVM. The values are AMDGPU processors (https://www.llvm.org/docs/AMDGPUUsage.html#processors)
which will be passed in via `--offload-arch=` argument.

Example values are:
gfx906 - Compile for Vega20 GPUs
gfx908 - Compile for CDNA1 GPUs
gfx90a - Compile for CDNA2 GPUs
gfx942 - Compile for CDNA3 GPUs
gfx1030 - Compile for RDNA2 NV21 GPUs
gfx1100 - Compile for RDNA3 NV31 GPUs"
"")



macro(setup)
set(CMAKE_CXX_STANDARD 17)
if (NVHPC_OFFLOAD)
Expand All @@ -50,4 +66,13 @@ macro(setup)
register_definitions(USE_ONEDPL)
register_link_library(oneDPL)
endif ()
if (AMDGPU_TARGET_OFFLOAD)
set(AMDGPU_TARGET_OFFLOAD_FLAGS --hipstdpar --offload-arch=${AMDGPU_TARGET_OFFLOAD})
if (NOT AMDGPU_TARGET_OFFLOAD MATCHES "^gfx9")
list(APPEND AMDGPU_TARGET_OFFLOAD_FLAGS --hipstdpar-interpose-alloc)
endif ()

register_append_cxx_flags(ANY ${AMDGPU_TARGET_OFFLOAD_FLAGS})
register_append_link_flags(--hipstdpar)
endif ()
endmacro()