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alpaka n-body fixes #823

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merged 2 commits into from
Jan 5, 2024
Merged

alpaka n-body fixes #823

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985226b
Fix Intel GPU detection
bernhardmgruber Jan 4, 2024
dfb21ac
Fix wrong shared memory address computation
bernhardmgruber Jan 5, 2024
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5 changes: 3 additions & 2 deletions examples/alpaka/nbody/nbody.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -204,7 +204,7 @@ struct UpdateKernel
for(int blockOffset = 0; blockOffset < problemSize; blockOffset += SharedElementsPerBlock)
{
for(int j = 0; j < SharedElementsPerBlock; j += ThreadsPerBlock)
sharedView(j) = particles(blockOffset + tbi + j);
sharedView(tbi + j) = particles(blockOffset + tbi + j);
alpaka::syncBlockThreads(acc);
for(int j = 0; j < SharedElementsPerBlock; ++j)
pPInteraction(acc, pis, sharedView(j));
Expand All @@ -231,7 +231,8 @@ struct MoveKernel
};

template<typename Acc>
constexpr auto hasSharedMem = alpaka::accMatchesTags<Acc, alpaka::TagGpuCudaRt, alpaka::TagGpuHipRt>;
constexpr auto hasSharedMem
= alpaka::accMatchesTags<Acc, alpaka::TagGpuCudaRt, alpaka::TagGpuHipRt, alpaka::TagGpuSyclIntel>;

template<typename Acc, Mapping MappingGM, Mapping MappingSM>
void run(std::ostream& plotFile)
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