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Squashed 'thirdParty/cupla/' changes from 98dd7f2f6..22dfdf457
22dfdf457 Merge pull request ComputationalRadiationPhysics#194 from psychocoderHPC/topic-updateAlpakaTo0.6.0rc4 c598470d3 Merge pull request ComputationalRadiationPhysics#193 from psychocoderHPC/topic-CILatestContainer c54d1dec3 Merge commit 'b7ec15f0c9bbbcf983277bb119cb551ce7d2d2d2' into topic-updateAlpakaTo0.6.0rc4 b7ec15f0c Squashed 'alpaka/' changes from 01f22779da..daf599b113 e8f8952c1 CUDA 9.2 use GCC 6 0384a58c5 CI: update container to v1.1 git-subtree-dir: thirdParty/cupla git-subtree-split: 22dfdf4574d529b26523ce66368aaf2caea16566
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| Original file line number | Diff line number | Diff line change |
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| # | ||
| # Copyright 2014-2020 Erik Zenker, Benjamin Worpitz, Jan Stephan, Sergei Bastrakov | ||
| # | ||
| # This file exemplifies usage of alpaka. | ||
| # | ||
| # Permission to use, copy, modify, and/or distribute this software for any | ||
| # purpose with or without fee is hereby granted, provided that the above | ||
| # copyright notice and this permission notice appear in all copies. | ||
| # | ||
| # THE SOFTWARE IS PROVIDED “AS IS” AND ISC DISCLAIMS ALL WARRANTIES WITH | ||
| # REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
| # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY | ||
| # SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
| # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
| # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR | ||
| # IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
| # | ||
|
|
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| ################################################################################ | ||
| # Required CMake version. | ||
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| cmake_minimum_required(VERSION 3.15) | ||
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| set_property(GLOBAL PROPERTY USE_FOLDERS ON) | ||
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| ################################################################################ | ||
| # Project. | ||
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| set(_TARGET_NAME openMPSchedule) | ||
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| project(${_TARGET_NAME}) | ||
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| #------------------------------------------------------------------------------- | ||
| # Find alpaka. | ||
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| if(NOT TARGET alpaka::alpaka) | ||
| option(USE_ALPAKA_SOURCE_TREE "Use alpaka's source tree instead of an alpaka installation" OFF) | ||
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| if(USE_ALPAKA_SOURCE_TREE) | ||
| # Don't build the examples recursively | ||
| set(alpaka_BUILD_EXAMPLES OFF) | ||
| add_subdirectory("${CMAKE_CURRENT_LIST_DIR}/../.." "${CMAKE_BINARY_DIR}/alpaka") | ||
| else() | ||
| find_package(alpaka REQUIRED) | ||
| endif() | ||
| endif() | ||
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| #------------------------------------------------------------------------------- | ||
| # Add executable. | ||
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| alpaka_add_executable( | ||
| ${_TARGET_NAME} | ||
| src/openMPSchedule.cpp) | ||
| target_link_libraries( | ||
| ${_TARGET_NAME} | ||
| PUBLIC alpaka::alpaka) | ||
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| set_target_properties(${_TARGET_NAME} PROPERTIES FOLDER example) | ||
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| add_test(NAME ${_TARGET_NAME} COMMAND ${_TARGET_NAME}) |
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| Original file line number | Diff line number | Diff line change |
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| /* Copyright 2019-2020 Benjamin Worpitz, Erik Zenker, Sergei Bastrakov | ||
| * | ||
| * This file exemplifies usage of alpaka. | ||
| * | ||
| * Permission to use, copy, modify, and/or distribute this software for any | ||
| * purpose with or without fee is hereby granted, provided that the above | ||
| * copyright notice and this permission notice appear in all copies. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED “AS IS” AND ISC DISCLAIMS ALL WARRANTIES WITH | ||
| * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY | ||
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR | ||
| * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
| */ | ||
|
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| #include <alpaka/alpaka.hpp> | ||
| #include <alpaka/example/ExampleDefaultAcc.hpp> | ||
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| #include <cstdint> | ||
| #include <iostream> | ||
|
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| // This example only makes sense with alpaka AccCpuOmp2Blocks backend enabled | ||
| // and OpenMP runtime supporting at least 3.0. Disable it for other cases. | ||
| #if defined _OPENMP && _OPENMP >= 200805 && ALPAKA_ACC_CPU_B_OMP2_T_SEQ_ENABLED | ||
|
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| //############################################################################# | ||
| //! OpenMP schedule demonstration kernel | ||
| //! | ||
| //! Prints distribution of alpaka thread indices between OpenMP threads. | ||
| //! Its operator() is reused in other kernels of this example. | ||
| //! Sets no schedule explicitly, so the default is used, controlled by the OMP_SCHEDULE environment variable. | ||
| struct OpenMPScheduleDefaultKernel | ||
| { | ||
| //----------------------------------------------------------------------------- | ||
| template<typename TAcc> | ||
| ALPAKA_FN_ACC auto operator()(TAcc const& acc) const -> void | ||
| { | ||
| // For simplicity assume 1d index space throughout this example | ||
| using Idx = alpaka::Idx<TAcc>; | ||
| Idx const globalThreadIdx = alpaka::getIdx<alpaka::Grid, alpaka::Threads>(acc)[0]; | ||
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| // Print work distribution between threads for illustration | ||
| printf( | ||
| "alpaka global thread index %u is processed by OpenMP thread %d\n", | ||
| static_cast<std::uint32_t>(globalThreadIdx), | ||
| omp_get_thread_num()); | ||
| } | ||
| }; | ||
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| //############################################################################# | ||
| //! Kernel that sets the schedule via a static member. | ||
| //! We inherit OpenMPScheduleDefaultKernel just to reuse its operator(). | ||
| struct OpenMPScheduleMemberKernel : public OpenMPScheduleDefaultKernel | ||
| { | ||
| //! Static member to set OpenMP schedule to be used by the AccCpuOmp2Blocks accelerator. | ||
| //! This member is only checked for when the OmpSchedule trait is not specialized for this kernel type. | ||
| //! Note that constexpr is not required, however otherwise there has to be an external definition. | ||
| static constexpr auto ompSchedule = alpaka::omp::Schedule{alpaka::omp::Schedule::Static, 1}; | ||
| }; | ||
|
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| //############################################################################# | ||
| //! Kernel that sets the schedule via trait specialization. | ||
| //! We inherit OpenMPScheduleDefaultKernel just to reuse its operator(). | ||
| //! The schedule trait specialization is given underneath this struct. | ||
| //! It has a higher priority than the internal static member. | ||
| struct OpenMPScheduleTraitKernel : public OpenMPScheduleDefaultKernel | ||
| { | ||
| }; | ||
|
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||
| namespace alpaka | ||
| { | ||
| namespace traits | ||
| { | ||
| //! Schedule trait specialization for OpenMPScheduleTraitKernel. | ||
| //! This is the most general way to define a schedule. | ||
| //! In case neither the trait nor the member are provided, alpaka does not set any runtime schedule and the | ||
| //! schedule used is defined by omp_set_schedule() called on the user side, or otherwise by the OMP_SCHEDULE | ||
| //! environment variable. | ||
| template<typename TAcc> | ||
| struct OmpSchedule<OpenMPScheduleTraitKernel, TAcc> | ||
| { | ||
| template<typename TDim, typename... TArgs> | ||
| ALPAKA_FN_HOST static auto getOmpSchedule( | ||
| OpenMPScheduleTraitKernel const& kernelFnObj, | ||
| Vec<TDim, Idx<TAcc>> const& blockThreadExtent, | ||
| Vec<TDim, Idx<TAcc>> const& threadElemExtent, | ||
| TArgs const&... args) -> alpaka::omp::Schedule | ||
| { | ||
| // Determine schedule at runtime for the given kernel and run parameters. | ||
| // For this particular example kernel, TArgs is an empty pack and can be removed. | ||
| alpaka::ignore_unused(kernelFnObj); | ||
| alpaka::ignore_unused(blockThreadExtent); | ||
| alpaka::ignore_unused(threadElemExtent); | ||
| alpaka::ignore_unused(args...); | ||
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| return alpaka::omp::Schedule{alpaka::omp::Schedule::Dynamic, 2}; | ||
| } | ||
| }; | ||
| } // namespace traits | ||
| } // namespace alpaka | ||
|
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| auto main() -> int | ||
| { | ||
| // Fallback for the CI with disabled sequential backend | ||
| # if defined(ALPAKA_CI) && !defined(ALPAKA_ACC_CPU_B_SEQ_T_SEQ_ENABLED) | ||
| return EXIT_SUCCESS; | ||
| # else | ||
| using Idx = std::size_t; | ||
|
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| // OpenMP schedule illustrated by this example only has effect with | ||
| // with the AccCpuOmp2Blocks accelerator. | ||
| // This example also assumes 1d for simplicity. | ||
| using Acc = alpaka::AccCpuOmp2Blocks<alpaka::DimInt<1>, Idx>; | ||
| std::cout << "Using alpaka accelerator: " << alpaka::getAccName<Acc>() << std::endl; | ||
|
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| // Defines the synchronization behavior of a queue | ||
| using QueueProperty = alpaka::Blocking; | ||
| using Queue = alpaka::Queue<Acc, QueueProperty>; | ||
|
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| // Select a device | ||
| auto const devAcc = alpaka::getDevByIdx<Acc>(0u); | ||
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| // Create a queue on the device | ||
| Queue queue(devAcc); | ||
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| // Define the work division | ||
| Idx const threadsPerGrid = 16u; | ||
| Idx const elementsPerThread = 1u; | ||
| auto const workDiv = alpaka::getValidWorkDiv<Acc>( | ||
| devAcc, | ||
| threadsPerGrid, | ||
| elementsPerThread, | ||
| false, | ||
| alpaka::GridBlockExtentSubDivRestrictions::Unrestricted); | ||
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| // Run the kernel setting no schedule explicitly. | ||
| // In this case the schedule is controlled by the OMP_SCHEDULE environment variable. | ||
| std::cout << "OpenMPScheduleDefaultKernel setting no schedule explicitly:\n"; | ||
| alpaka::exec<Acc>(queue, workDiv, OpenMPScheduleDefaultKernel{}); | ||
| alpaka::wait(queue); | ||
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| // Run the kernel setting the schedule via a trait | ||
| std::cout << "\n\nOpenMPScheduleMemberKernel setting the schedule via a static member:\n"; | ||
| alpaka::exec<Acc>(queue, workDiv, OpenMPScheduleMemberKernel{}); | ||
| alpaka::wait(queue); | ||
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| // Run the kernel setting the schedule via a trait | ||
| std::cout << "\n\nOpenMPScheduleTraitKernel setting the schedule via trait:\n"; | ||
| alpaka::exec<Acc>(queue, workDiv, OpenMPScheduleTraitKernel{}); | ||
| alpaka::wait(queue); | ||
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| return EXIT_SUCCESS; | ||
| # endif | ||
| } | ||
| #else | ||
| auto main() -> int | ||
| { | ||
| std::cout << "This example is disabled, as it requires OpenMP runtime version >= 3.0 and alpaka accelerator" | ||
| << " AccCpuOmp2Blocks\n"; | ||
| return EXIT_SUCCESS; | ||
| } | ||
| #endif |
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