Add externals for Alpaka and Cupla #5568
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cupla.spec
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| CXXFLAGS="-m64 -std=c++14 -g -O3 -DALPAKA_DEBUG=0 -I$CUDA_ROOT/include -I$TBB_ROOT/include -I$BOOST_ROOT/include -I$ALPAKA_ROOT/include -Iinclude" | ||
| HOST_FLAGS="-pthread -fPIC -Wall -Wextra -Wno-unknown-pragmas -Wno-unused-parameter -Wno-unused-local-typedefs -Wno-attributes -Wno-reorder -Wno-sign-compare" | ||
| NVCC_FLAGS="-w --generate-line-info --source-in-ptx --cudart=shared --expt-extended-lambda --expt-relaxed-constexpr -gencode arch=compute_35,code=sm_35 -gencode arch=compute_60,code=sm_60 -gencode arch=compute_70,code=sm_70" |
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These flags should match those in cuda-toolfile.spec.
@smuzaffar is there any way to make it automatic ?
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@fwyzard , only automatic way is to put these flags in a separate file e.g. cuda-flags.file and then include that file in both cuda-toolfile and here
## INLCUDE cuda-flags
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Mhm... I see.
However, the way in which the flags are used is a bit different:
in cupla.spec (simplified):
NVCC_FLAGS="--generate-line-info --source-in-ptx --expt-extended-lambda --expt-relaxed-constexpr -gencode arch=compute_35,code=sm_35 -gencode arch=compute_60,code=sm_60 -gencode arch=compute_70,code=sm_70 --cudart=shared"vs cuda-toolfile.spec (simplified):
<flags CUDA_FLAGS="--generate-line-info --source-in-ptx --expt-relaxed-constexpr --expt-extended-lambda -gencode arch=compute_35,code=sm_35 -gencode arch=compute_60,code=sm_60 -gencode arch=compute_70,code=sm_70 --cudart=shared "/>Would it work to define a spec macro in a separate file, e.g. cuda-flags.file
%define cuda_flags -O3 -std=c++14 --expt-relaxed-constexpr --expt-extended-lambda
%define cuda_flags %cuda_flags --generate-line-info --source-in-ptx
%ifarch x86_64 ppc64le
%define cuda_flags %cuda_flags -gencode arch=compute_35,code=sm_35
%define cuda_flags %cuda_flags -gencode arch=compute_60,code=sm_60
%define cuda_flags %cuda_flags -gencode arch=compute_70,code=sm_70
%endif
%ifarch aarch64
%define cuda_flags %cuda_flags -gencode arch=compute_70,code=sm_70
%define cuda_flags %cuda_flags -gencode arch=compute_72,code=sm_72
%endif
%define cuda_flags %cuda_flags --cudart=sharedand then include it with something like
## IMPORT cuda-flags
...
NVCC_FLAGS="%{cuda-flags}"and
## IMPORT cuda-flags
...
<flags CUDA_FLAGS="%{cuda-flags}"/>?
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Pull request #5568 was updated. |
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@cmsbuild, please test |
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@silviodonato @mrodozov from my side this is ready to be merged |
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+externals |
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This pull request is fully signed and it will be integrated in one of the next IB/CMSSW_11_1_X/master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @davidlange6, @silviodonato, @fabiocos (and backports should be raised in the release meeting by the corresponding L2) |
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The alpaka library is a header-only C++14 abstraction library for accelerator development. Its aim is to provide performance portability across accelerators through the abstraction of the underlying levels of parallelism.
Cupla is a simple user interface for the platform independent parallel kernel acceleration library alpaka.
Add externals and scram tools for alpaka 0.4.0 and cupla 0.2.0.