Add oneDPL for std models
This commit is contained in:
Tom Lin
parent
5197a4e561
commit
dfb4eb06b2
@ -76,13 +76,15 @@ option(USE_TBB "Enable oneTBB library for *supported* models. Enabling this on m
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model on how this is used." OFF)
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if (USE_TBB)
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include(FetchContent)
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FetchContent_Declare(
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TBB
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GIT_REPOSITORY https://github.com/oneapi-src/oneTBB.git
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GIT_TAG faaf43c4ab22cb4b4267d65d5e218fa58800eea8
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)
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# Not using FetchContent_MakeAvailable because we need EXCLUDE_FROM_ALL
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# Don't fail builds on waring (TBB has -Wall while not being free of warnings from unused symbols...)
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set(CMAKE_POLICY_DEFAULT_CMP0077 NEW)
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set(TBB_STRICT OFF)
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# Not using FetchContent_MakeAvailable (CMake>= 3.14) because we need EXCLUDE_FROM_ALL
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FetchContent_GetProperties(TBB)
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if (NOT TBB_POPULATED)
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FetchContent_Populate(TBB)
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@ -90,6 +92,25 @@ if (USE_TBB)
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endif ()
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endif ()
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option(USE_TBB "Enable oneDPL library for *supported* models. Enabling this on models that
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don't explicitly link against DPL is a no-op, see description of your selected
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model on how this is used." OFF)
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if (USE_ONEDPL)
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FetchContent_Declare(
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oneDPL
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GIT_REPOSITORY https://github.com/oneapi-src/oneDPL.git
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GIT_TAG oneDPL-2021.7.0-release
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)
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# Not using FetchContent_MakeAvailable (CMake>= 3.14) because we need EXCLUDE_FROM_ALL
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FetchContent_GetProperties(oneDPL)
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if (NOT oneDPL_POPULATED)
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FetchContent_Populate(oneDPL)
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add_subdirectory(${onedpl_SOURCE_DIR} ${onedpl_BINARY_DIR} EXCLUDE_FROM_ALL)
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endif ()
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endif()
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# include our macros
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include(cmake/register_models.cmake)
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@ -170,6 +191,7 @@ include_directories(src)
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add_executable(${EXE_NAME} ${IMPL_SOURCES} src/main.cpp)
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target_link_libraries(${EXE_NAME} PUBLIC ${LINK_LIBRARIES})
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target_compile_definitions(${EXE_NAME} PUBLIC ${IMPL_DEFINITIONS})
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target_include_directories(${EXE_NAME} PUBLIC ${IMPL_DIRECTORIES})
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if (CXX_EXTRA_LIBRARIES)
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target_link_libraries(${EXE_NAME} PUBLIC ${CXX_EXTRA_LIBRARIES})
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@ -71,6 +71,10 @@ macro(register_definitions)
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list(APPEND IMPL_DEFINITIONS ${ARGN})
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endmacro()
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macro(register_directories)
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list(APPEND IMPL_DIRECTORIES ${ARGN})
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endmacro()
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macro(register_flag_required NAME DESCRIPTION)
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list(APPEND CUSTOM_FLAGS_TRIPLE "${NAME}" "${DESCRIPTION}" ON "")
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endmacro()
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27
cmake/shim_onedpl.cmake
Normal file
27
cmake/shim_onedpl.cmake
Normal file
@ -0,0 +1,27 @@
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if (USE_ONEDPL)
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# # XXX see https://www.intel.com/content/www/us/en/develop/documentation/oneapi-dpcpp-library-guide/top/oneapi-dpc-library-onedpl-overview.html
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# # this is to avoid the system TBB headers (if exists) from having precedence which isn't compatible with oneDPL's par implementation
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# register_definitions(
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# PSTL_USE_PARALLEL_POLICIES=0
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# _GLIBCXX_USE_TBB_PAR_BACKEND=0
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# )
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register_definitions(USE_ONEDPL)
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if (USE_ONEDPL STREQUAL "TBB")
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register_definitions(ONEDPL_USE_TBB_BACKEND=1)
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# TBB will either be linked later (USE_TBB==ON) or via extra libraries, don't do anything here
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elseif (USE_ONEDPL STREQUAL "OPENMP")
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register_definitions(ONEDPL_USE_OPENMP_BACKEND=1)
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# Link OpenMP via CMAKE
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find_package(OpenMP REQUIRED)
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register_link_library(OpenMP::OpenMP_CXX)
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elseif (USE_ONEDPL STREQUAL "SYCL")
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register_definitions(ONEDPL_USE_DPCPP_BACKEND=1)
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# This needs a SYCL compiler, will fail if CXX doesn't SYCL2020
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register_append_cxx_flags(ANY -fsycl-unnamed-lambda -fsycl)
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else ()
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message(FATAL_ERROR "Unsupported USE_ONEDPL backend: ${USE_ONEDPL}, see USE_ONEDPL flag description for available values.")
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endif ()
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register_directories(ANY ${onedpl_SOURCE_DIR}/include)
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endif ()
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75
src/dpl_shim.h
Normal file
75
src/dpl_shim.h
Normal file
@ -0,0 +1,75 @@
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#pragma once
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#include <cstdlib>
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#include <cstddef>
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#ifndef ALIGNMENT
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#define ALIGNMENT (2*1024*1024) // 2MB
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#endif
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#ifdef USE_ONEDPL
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// oneDPL C++17 PSTL
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#include <oneapi/dpl/execution>
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#include <oneapi/dpl/algorithm>
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#include <oneapi/dpl/numeric>
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#ifdef ONEDPL_USE_DPCPP_BACKEND
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#include <CL/sycl.hpp>
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const static auto exe_policy = oneapi::dpl::execution::device_policy<>{
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oneapi::dpl::execution::make_device_policy(cl::sycl::default_selector{})
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};
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template<typename T> using Allocator = sycl::usm_allocator<T, sycl::usm::alloc::shared>;
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template<class T>
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constexpr Allocator<T> alloc_vec() { return {exe_policy.queue()}; };
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template<typename T>
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T *alloc_raw(size_t size) { return sycl::malloc_shared<T>(size, exe_policy.queue()); }
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template<typename T>
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void dealloc_raw(T *ptr) { sycl::free(ptr, exe_policy.queue()); }
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#else
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// auto exe_policy = dpl::execution::seq;
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// auto exe_policy = dpl::execution::par;
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static constexpr auto exe_policy = dpl::execution::par_unseq;
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#define USE_STD_PTR_ALLOC_DEALLOC
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#endif
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#else
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// Normal C++17 PSTL
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#include <algorithm>
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#include <execution>
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#include <numeric>
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// auto exe_policy = std::execution::seq;
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// auto exe_policy = std::execution::par;
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static constexpr auto exe_policy = std::execution::par_unseq;
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#define USE_STD_PTR_ALLOC_DEALLOC
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#endif
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#ifdef USE_STD_PTR_ALLOC_DEALLOC
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template<typename T> using Allocator = std::allocator<T>;
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template<class T>
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constexpr Allocator<T> alloc_vec() { return {}; };
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template<typename T>
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T *alloc_raw(size_t size) { return (T *) aligned_alloc(ALIGNMENT, sizeof(T) * size); }
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template<typename T>
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void dealloc_raw(T *ptr) { free(ptr); }
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#endif
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@ -6,14 +6,6 @@
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#include "STDDataStream.h"
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#include <algorithm>
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#include <execution>
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#include <numeric>
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#ifndef ALIGNMENT
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#define ALIGNMENT (2*1024*1024) // 2MB
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#endif
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#ifdef USE_VECTOR
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#define BEGIN(x) (x).begin()
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#define END(x) (x).end()
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@ -22,23 +14,39 @@
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#define END(x) ((x) + array_size)
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#endif
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// There are three execution policies:
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// auto exe_policy = std::execution::seq;
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// auto exe_policy = std::execution::par;
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constexpr auto exe_policy = std::execution::par_unseq;
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template <class T>
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STDDataStream<T>::STDDataStream(const int ARRAY_SIZE, int device)
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noexcept : array_size{ARRAY_SIZE},
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#ifdef USE_VECTOR
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a(ARRAY_SIZE), b(ARRAY_SIZE), c(ARRAY_SIZE)
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a(ARRAY_SIZE, alloc_vec<T>()), b(ARRAY_SIZE, alloc_vec<T>()), c(ARRAY_SIZE, alloc_vec<T>())
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#else
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a((T *) aligned_alloc(ALIGNMENT, sizeof(T) * ARRAY_SIZE)),
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b((T *) aligned_alloc(ALIGNMENT, sizeof(T) * ARRAY_SIZE)),
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c((T *) aligned_alloc(ALIGNMENT, sizeof(T) * ARRAY_SIZE))
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a(alloc_raw<T>(ARRAY_SIZE)), b(alloc_raw<T>(ARRAY_SIZE)), c(alloc_raw<T>(ARRAY_SIZE))
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#endif
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{ std::cout <<"Backing storage typeid: " << typeid(a).name() << std::endl; }
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{
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std::cout << "Backing storage typeid: " << typeid(a).name() << std::endl;
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#if USE_ONEDPL
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std::cout << "Using oneDPL backend: ";
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#if defined(ONEDPL_USE_DPCPP_BACKEND)
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std::cout << "SYCL USM (device=" << exe_policy.queue().get_device().get_info<sycl::info::device::name>() << ")";
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#elif defined(ONEDPL_USE_TBB_BACKEND)
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std::cout << "TBB " TBB_VERSION_STRING;
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#elif defined(ONEDPL_USE_OPENMP_BACKEND)
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std::cout << "OpenMP";
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#else
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std::cout << "Default";
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#endif
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std::cout << std::endl;
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#endif
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}
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template<class T>
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STDDataStream<T>::~STDDataStream() {
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#ifndef USE_VECTOR
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dealloc_raw(a);
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dealloc_raw(b);
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dealloc_raw(c);
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#endif
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}
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template <class T>
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void STDDataStream<T>::init_arrays(T initA, T initB, T initC)
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@ -5,6 +5,7 @@
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// source code
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#pragma once
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#include "dpl_shim.h"
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#include <iostream>
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#include <stdexcept>
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@ -22,7 +23,7 @@ class STDDataStream : public Stream<T>
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// Device side pointers
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#ifdef USE_VECTOR
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std::vector<T> a, b, c;
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std::vector<T, Allocator<T>> a, b, c;
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#else
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T *a, *b, *c;
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#endif
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@ -30,7 +31,7 @@ class STDDataStream : public Stream<T>
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public:
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STDDataStream(const int, int) noexcept;
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~STDDataStream() = default;
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~STDDataStream();
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virtual void copy() override;
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virtual void add() override;
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@ -27,18 +27,32 @@ register_flag_optional(USE_TBB
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"No-op if ONE_TBB_DIR is set. Link against an in-tree oneTBB via FetchContent_Declare, see top level CMakeLists.txt for details."
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"OFF")
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register_flag_optional(USE_ONEDPL
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"Link oneDPL which implements C++17 executor policies (via execution_policy_tag) for different backends.
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Possible values are:
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OPENMP - Implements policies using OpenMP.
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CMake will handle any flags needed to enable OpenMP if the compiler supports it.
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TBB - Implements policies using TBB.
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TBB must be linked via USE_TBB or be available in LD_LIBRARY_PATH.
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SYCL - Implements policies through SYCL2020.
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This requires the DPC++ compiler (other SYCL compilers are untested), required SYCL flags are added automatically."
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"OFF")
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macro(setup)
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set(CMAKE_CXX_STANDARD 17)
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include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/shim_onedpl.cmake)
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if (NVHPC_OFFLOAD)
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set(NVHPC_FLAGS -stdpar -gpu=${NVHPC_OFFLOAD})
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# propagate flags to linker so that it links with the gpu stuff as well
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register_append_cxx_flags(ANY ${NVHPC_FLAGS})
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register_append_link_flags(${NVHPC_FLAGS})
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endif ()
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if(USE_VECTOR)
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if (USE_VECTOR)
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register_definitions(USE_VECTOR)
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endif()
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endif ()
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if (USE_TBB)
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register_link_library(TBB::tbb)
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endif ()
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@ -22,22 +22,39 @@
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#define END(x) ((x) + array_size)
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#endif
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// There are three execution policies:
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// auto exe_policy = std::execution::seq;
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// auto exe_policy = std::execution::par;
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constexpr auto exe_policy = std::execution::par_unseq;
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template <class T>
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STDIndicesStream<T>::STDIndicesStream(const int ARRAY_SIZE, int device)
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noexcept : array_size{ARRAY_SIZE}, range(0, array_size),
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noexcept : array_size{ARRAY_SIZE}, range(0, array_size),
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#ifdef USE_VECTOR
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a(ARRAY_SIZE), b(ARRAY_SIZE), c(ARRAY_SIZE)
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a(ARRAY_SIZE, alloc_vec<T>()), b(ARRAY_SIZE, alloc_vec<T>()), c(ARRAY_SIZE, alloc_vec<T>())
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#else
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a((T *) aligned_alloc(ALIGNMENT, sizeof(T) * ARRAY_SIZE)),
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b((T *) aligned_alloc(ALIGNMENT, sizeof(T) * ARRAY_SIZE)),
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c((T *) aligned_alloc(ALIGNMENT, sizeof(T) * ARRAY_SIZE))
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a(alloc_raw<T>(ARRAY_SIZE)), b(alloc_raw<T>(ARRAY_SIZE)), c(alloc_raw<T>(ARRAY_SIZE))
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#endif
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{ std::cout <<"Backing storage typeid: " << typeid(a).name() << std::endl; }
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{
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std::cout << "Backing storage typeid: " << typeid(a).name() << std::endl;
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#if USE_ONEDPL
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std::cout << "Using oneDPL backend: ";
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#if defined(ONEDPL_USE_DPCPP_BACKEND)
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std::cout << "SYCL USM (device=" << exe_policy.queue().get_device().get_info<sycl::info::device::name>() << ")";
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#elif defined(ONEDPL_USE_TBB_BACKEND)
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std::cout << "TBB " TBB_VERSION_STRING;
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#elif defined(ONEDPL_USE_OPENMP_BACKEND)
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std::cout << "OpenMP";
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#else
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std::cout << "Default";
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#endif
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std::cout << std::endl;
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#endif
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}
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template<class T>
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STDIndicesStream<T>::~STDIndicesStream() {
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#ifndef USE_VECTOR
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dealloc_raw(a);
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dealloc_raw(b);
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dealloc_raw(c);
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#endif
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}
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template <class T>
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void STDIndicesStream<T>::init_arrays(T initA, T initB, T initC)
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@ -5,19 +5,14 @@
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// source code
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#pragma once
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#include "dpl_shim.h"
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#include <iostream>
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#include <stdexcept>
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#include "Stream.h"
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#ifdef USE_SPAN
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#include <span>
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#endif
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#define IMPLEMENTATION_STRING "STD (index-oriented)"
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// A lightweight counting iterator which will be used by the STL algorithms
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// NB: C++ <= 17 doesn't have this built-in, and it's only added later in ranges-v3 (C++2a) which this
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// implementation doesn't target
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@ -78,7 +73,7 @@ class STDIndicesStream : public Stream<T>
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// Device side pointers
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#ifdef USE_VECTOR
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std::vector<T> a, b, c;
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std::vector<T, Allocator<T>> a, b, c;
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#else
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T *a, *b, *c;
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#endif
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@ -86,7 +81,7 @@ class STDIndicesStream : public Stream<T>
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public:
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STDIndicesStream(const int, int) noexcept;
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~STDIndicesStream() = default;
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~STDIndicesStream();
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virtual void copy() override;
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virtual void add() override;
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@ -27,19 +27,30 @@ register_flag_optional(USE_TBB
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"Link against an in-tree oneTBB via FetchContent_Declare, see top level CMakeLists.txt for details."
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"OFF")
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register_flag_optional(USE_ONEDPL
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"Link oneDPL which implements C++17 executor policies (via execution_policy_tag) for different backends.
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Possible values are:
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OPENMP - Implements policies using OpenMP.
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CMake will handle any flags needed to enable OpenMP if the compiler supports it.
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TBB - Implements policies using TBB.
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TBB must be linked via USE_TBB or be available in LD_LIBRARY_PATH.
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SYCL - Implements policies through SYCL2020.
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This requires the DPC++ compiler (other SYCL compilers are untested), required SYCL flags are added automatically."
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"OFF")
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macro(setup)
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set(CMAKE_CXX_STANDARD 17)
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include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/shim_onedpl.cmake)
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if (NVHPC_OFFLOAD)
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set(NVHPC_FLAGS -stdpar -gpu=${NVHPC_OFFLOAD})
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# propagate flags to linker so that it links with the gpu stuff as well
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register_append_cxx_flags(ANY ${NVHPC_FLAGS})
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register_append_link_flags(${NVHPC_FLAGS})
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endif ()
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if(USE_VECTOR)
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if (USE_VECTOR)
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register_definitions(USE_VECTOR)
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endif()
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endif ()
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if (USE_TBB)
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register_link_library(TBB::tbb)
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endif ()
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@ -22,22 +22,39 @@
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#define END(x) ((x) + array_size)
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#endif
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// There are three execution policies:
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// auto exe_policy = std::execution::seq;
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// auto exe_policy = std::execution::par;
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constexpr auto exe_policy = std::execution::par_unseq;
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template <class T>
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STDRangesStream<T>::STDRangesStream(const int ARRAY_SIZE, int device)
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: array_size{ARRAY_SIZE},
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noexcept : array_size{ARRAY_SIZE},
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#ifdef USE_VECTOR
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a(ARRAY_SIZE), b(ARRAY_SIZE), c(ARRAY_SIZE)
|
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a(ARRAY_SIZE, alloc_vec<T>()), b(ARRAY_SIZE, alloc_vec<T>()), c(ARRAY_SIZE, alloc_vec<T>())
|
||||
#else
|
||||
a((T *) aligned_alloc(ALIGNMENT, sizeof(T) * ARRAY_SIZE)),
|
||||
b((T *) aligned_alloc(ALIGNMENT, sizeof(T) * ARRAY_SIZE)),
|
||||
c((T *) aligned_alloc(ALIGNMENT, sizeof(T) * ARRAY_SIZE))
|
||||
a(alloc_raw<T>(ARRAY_SIZE)), b(alloc_raw<T>(ARRAY_SIZE)), c(alloc_raw<T>(ARRAY_SIZE))
|
||||
#endif
|
||||
{ std::cout <<"Backing storage typeid: " << typeid(a).name() << std::endl; }
|
||||
{
|
||||
std::cout << "Backing storage typeid: " << typeid(a).name() << std::endl;
|
||||
#if USE_ONEDPL
|
||||
std::cout << "Using oneDPL backend: ";
|
||||
#if defined(ONEDPL_USE_DPCPP_BACKEND)
|
||||
std::cout << "SYCL USM (device=" << exe_policy.queue().get_device().get_info<sycl::info::device::name>() << ")";
|
||||
#elif defined(ONEDPL_USE_TBB_BACKEND)
|
||||
std::cout << "TBB " TBB_VERSION_STRING;
|
||||
#elif defined(ONEDPL_USE_OPENMP_BACKEND)
|
||||
std::cout << "OpenMP";
|
||||
#else
|
||||
std::cout << "Default";
|
||||
#endif
|
||||
std::cout << std::endl;
|
||||
#endif
|
||||
}
|
||||
|
||||
template<class T>
|
||||
STDRangesStream<T>::~STDRangesStream() {
|
||||
#ifndef USE_VECTOR
|
||||
dealloc_raw(a);
|
||||
dealloc_raw(b);
|
||||
dealloc_raw(c);
|
||||
#endif
|
||||
}
|
||||
|
||||
template <class T>
|
||||
void STDRangesStream<T>::init_arrays(T initA, T initB, T initC)
|
||||
|
||||
@ -5,10 +5,10 @@
|
||||
// source code
|
||||
|
||||
#pragma once
|
||||
#include "dpl_shim.h"
|
||||
|
||||
#include <iostream>
|
||||
#include <vector>
|
||||
|
||||
#include <stdexcept>
|
||||
#include "Stream.h"
|
||||
|
||||
#define IMPLEMENTATION_STRING "STD C++ ranges"
|
||||
@ -22,14 +22,14 @@ class STDRangesStream : public Stream<T>
|
||||
|
||||
// Device side pointers
|
||||
#ifdef USE_VECTOR
|
||||
std::vector<T> a, b, c;
|
||||
std::vector<T, Allocator<T>> a, b, c;
|
||||
#else
|
||||
T *a, *b, *c;
|
||||
#endif
|
||||
|
||||
public:
|
||||
STDRangesStream(const int, int);
|
||||
~STDRangesStream() = default;
|
||||
STDRangesStream(const int, int) noexcept;
|
||||
~STDRangesStream();
|
||||
|
||||
virtual void copy() override;
|
||||
virtual void add() override;
|
||||
|
||||
@ -11,6 +11,18 @@ register_flag_optional(USE_TBB
|
||||
"No-op if ONE_TBB_DIR is set. Link against an in-tree oneTBB via FetchContent_Declare, see top level CMakeLists.txt for details."
|
||||
"OFF")
|
||||
|
||||
register_flag_optional(USE_ONEDPL
|
||||
"Link oneDPL which implements C++17 executor policies (via execution_policy_tag) for different backends.
|
||||
|
||||
Possible values are:
|
||||
OPENMP - Implements policies using OpenMP.
|
||||
CMake will handle any flags needed to enable OpenMP if the compiler supports it.
|
||||
TBB - Implements policies using TBB.
|
||||
TBB must be linked via USE_TBB or be available in LD_LIBRARY_PATH.
|
||||
SYCL - Implements policies through SYCL2020.
|
||||
This requires the DPC++ compiler (other SYCL compilers are untested), required SYCL flags are added automatically."
|
||||
"OFF")
|
||||
|
||||
macro(setup)
|
||||
|
||||
# TODO this needs to eventually be removed when CMake adds proper C++20 support or at least update the flag used here
|
||||
@ -21,9 +33,10 @@ macro(setup)
|
||||
unset(CMAKE_CXX_STANDARD) # drop any existing standard we have set by default
|
||||
# and append our own:
|
||||
register_append_cxx_flags(ANY -std=c++2a)
|
||||
if(USE_VECTOR)
|
||||
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/shim_onedpl.cmake)
|
||||
if (USE_VECTOR)
|
||||
register_definitions(USE_VECTOR)
|
||||
endif()
|
||||
endif ()
|
||||
if (USE_TBB)
|
||||
register_link_library(TBB::tbb)
|
||||
endif ()
|
||||
|
||||
Loading…
Reference in New Issue
Block a user