Tom Deakin
GitHub
commit
53547ff664
@ -113,6 +113,7 @@ register_model(ACC ACC ACCStream.cpp)
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# defining RAJA collides with the RAJA namespace so USE_RAJA
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register_model(RAJA USE_RAJA RAJAStream.cpp)
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register_model(TBB TBB TBBStream.cpp)
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register_model(THRUST THRUST ThrustStream.cu) # Thrust uses cu, even for rocThrust
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set(USAGE ON CACHE BOOL "Whether to print all custom flags for the selected model")
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91
THRUST.cmake
Normal file
91
THRUST.cmake
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@ -0,0 +1,91 @@
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register_flag_optional(THRUST_IMPL
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"Which Thrust implementation to use, supported options include:
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- CUDA (via https://github.com/NVIDIA/thrust)
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- ROCM (via https://github.com/ROCmSoftwarePlatform/rocThrust)
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"
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"CUDA")
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register_flag_optional(SDK_DIR
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"Path to the selected Thrust implementation (e.g `/opt/nvidia/hpc_sdk/Linux_x86_64/21.9/cuda/include` for NVHPC, `/opt/rocm` for ROCm)"
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"")
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register_flag_optional(BACKEND
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"[THRUST_IMPL==CUDA] CUDA's Thrust implementation supports the following backends:
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- CUDA
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- OMP
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- TBB
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"
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"CUDA")
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register_flag_optional(CMAKE_CUDA_COMPILER
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"[THRUST_IMPL==CUDA] Path to the CUDA nvcc compiler"
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"")
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# XXX we may want to drop this eventually and use CMAKE_CUDA_ARCHITECTURES directly
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register_flag_optional(CUDA_ARCH
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"[THRUST_IMPL==CUDA] Nvidia architecture, will be passed in via `-arch=` (e.g `sm_70`) for nvcc"
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"")
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register_flag_optional(CUDA_EXTRA_FLAGS
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"[THRUST_IMPL==CUDA] Additional CUDA flags passed to nvcc, this is appended after `CUDA_ARCH`"
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"")
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macro(setup)
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set(CMAKE_CXX_STANDARD 14)
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if (${THRUST_IMPL} STREQUAL "CUDA")
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# see CUDA.cmake, we're only adding a few Thrust related libraries here
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if (POLICY CMP0104)
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cmake_policy(SET CMP0104 OLD)
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endif ()
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# add -forward-unknown-to-host-compiler for compatibility reasons
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set(CMAKE_CUDA_FLAGS ${CMAKE_CUDA_FLAGS} "--expt-extended-lambda -forward-unknown-to-host-compiler -arch=${CUDA_ARCH}" ${CUDA_EXTRA_FLAGS})
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enable_language(CUDA)
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# CMake defaults to -O2 for CUDA at Release, let's wipe that and use the global RELEASE_FLAG
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# appended later
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wipe_gcc_style_optimisation_flags(CMAKE_CUDA_FLAGS_${BUILD_TYPE})
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message(STATUS "NVCC flags: ${CMAKE_CUDA_FLAGS} ${CMAKE_CUDA_FLAGS_${BUILD_TYPE}}")
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if (SDK_DIR)
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find_package(CUB REQUIRED CONFIG PATHS ${SDK_DIR}/cub)
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find_package(Thrust REQUIRED CONFIG PATHS ${SDK_DIR}/thrust)
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else ()
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find_package(CUB REQUIRED CONFIG)
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find_package(Thrust REQUIRED CONFIG)
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endif ()
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message(STATUS "Using Thrust backend: ${BACKEND}")
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# this creates the interface that we can link to
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thrust_create_target(Thrust HOST CPP DEVICE ${BACKEND})
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register_link_library(Thrust)
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elseif (${THRUST_IMPL} STREQUAL "ROCM")
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if (SDK_DIR)
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find_package(rocprim REQUIRED CONFIG PATHS ${SDK_DIR}/rocprim)
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find_package(rocthrust REQUIRED CONFIG PATHS ${SDK_DIR}/rocthrust)
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else ()
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find_package(rocprim REQUIRED CONFIG)
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find_package(rocthrust REQUIRED CONFIG)
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endif ()
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# for HIP we treat *.cu files as CXX otherwise CMake doesn't compile them
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set_source_files_properties(${IMPL_SOURCES} PROPERTIES LANGUAGE CXX)
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register_link_library(roc::rocthrust)
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else ()
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message(FATAL_ERROR "Unsupported THRUST_IMPL provided: ${THRUST_IMPL}")
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endif ()
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endmacro()
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235
ThrustStream.cu
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235
ThrustStream.cu
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@ -0,0 +1,235 @@
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// Copyright (c) 2020 Tom Deakin
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// University of Bristol HPC
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//
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// For full license terms please see the LICENSE file distributed with this
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// source code
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#include "ThrustStream.h"
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#include <thrust/inner_product.h>
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#include <thrust/device_vector.h>
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#include <thrust/iterator/zip_iterator.h>
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#include <thrust/zip_function.h>
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static inline void synchronise()
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{
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// rocThrust doesn't synchronise between thrust calls
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#if defined(THRUST_DEVICE_SYSTEM_HIP) && THRUST_DEVICE_SYSTEM == THRUST_DEVICE_SYSTEM_HIP
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hipDeviceSynchronize();
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#endif
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}
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template <class T>
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ThrustStream<T>::ThrustStream(const int ARRAY_SIZE, int device)
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: array_size{ARRAY_SIZE}, a(array_size), b(array_size), c(array_size) {
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std::cout << "Using CUDA device: " << getDeviceName(device) << std::endl;
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std::cout << "Driver: " << getDeviceDriver(device) << std::endl;
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std::cout << "Thrust version: " << THRUST_VERSION << std::endl;
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#if THRUST_DEVICE_SYSTEM == 0
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// as per Thrust docs, 0 is reserved for undefined backend
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std::cout << "Thrust backend: undefined" << std::endl;
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#elif THRUST_DEVICE_SYSTEM == THRUST_DEVICE_SYSTEM_CUDA
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std::cout << "Thrust backend: CUDA" << std::endl;
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#elif THRUST_DEVICE_SYSTEM == THRUST_DEVICE_SYSTEM_OMP
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std::cout << "Thrust backend: OMP" << std::endl;
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#elif THRUST_DEVICE_SYSTEM == THRUST_DEVICE_SYSTEM_TBB
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std::cout << "Thrust backend: TBB" << std::endl;
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#elif THRUST_DEVICE_SYSTEM == THRUST_DEVICE_SYSTEM_CPP
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std::cout << "Thrust backend: CPP" << std::endl;
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#elif THRUST_DEVICE_SYSTEM == THRUST_DEVICE_SYSTEM_TBB
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std::cout << "Thrust backend: TBB" << std::endl;
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#else
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#if defined(THRUST_DEVICE_SYSTEM_HIP) && THRUST_DEVICE_SYSTEM == THRUST_DEVICE_SYSTEM_HIP
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std::cout << "Thrust backend: HIP" << std::endl;
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#else
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std::cout << "Thrust backend: " << THRUST_DEVICE_SYSTEM << "(unknown)" << std::endl;
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#endif
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#endif
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}
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template <class T>
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void ThrustStream<T>::init_arrays(T initA, T initB, T initC)
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{
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thrust::fill(a.begin(), a.end(), initA);
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thrust::fill(b.begin(), b.end(), initB);
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thrust::fill(c.begin(), c.end(), initC);
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synchronise();
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}
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template <class T>
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void ThrustStream<T>::read_arrays(std::vector<T>& h_a, std::vector<T>& h_b, std::vector<T>& h_c)
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{
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thrust::copy(a.begin(), a.end(), h_a.begin());
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thrust::copy(b.begin(), b.end(), h_b.begin());
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thrust::copy(c.begin(), c.end(), h_c.begin());
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}
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template <class T>
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void ThrustStream<T>::copy()
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{
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thrust::copy(a.begin(), a.end(),c.begin());
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synchronise();
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}
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template <class T>
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void ThrustStream<T>::mul()
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{
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const T scalar = startScalar;
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thrust::transform(
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c.begin(),
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c.end(),
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b.begin(),
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[=] __device__ __host__ (const T &ci){
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return ci * scalar;
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}
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);
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synchronise();
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}
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template <class T>
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void ThrustStream<T>::add()
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{
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thrust::transform(
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thrust::make_zip_iterator(thrust::make_tuple(a.begin(), b.begin())),
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thrust::make_zip_iterator(thrust::make_tuple(a.end(), b.end())),
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c.begin(),
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thrust::make_zip_function(
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[] __device__ __host__ (const T& ai, const T& bi){
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return ai + bi;
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})
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);
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synchronise();
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}
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template <class T>
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void ThrustStream<T>::triad()
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{
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const T scalar = startScalar;
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thrust::transform(
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thrust::make_zip_iterator(thrust::make_tuple(b.begin(), c.begin())),
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thrust::make_zip_iterator(thrust::make_tuple(b.end(), c.end())),
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a.begin(),
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thrust::make_zip_function(
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[=] __device__ __host__ (const T& bi, const T& ci){
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return bi + scalar * ci;
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})
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);
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synchronise();
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}
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template <class T>
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void ThrustStream<T>::nstream()
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{
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const T scalar = startScalar;
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thrust::transform(
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thrust::make_zip_iterator(thrust::make_tuple(a.begin(), b.begin(), c.begin())),
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thrust::make_zip_iterator(thrust::make_tuple(a.end(), b.end(), c.end())),
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a.begin(),
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thrust::make_zip_function(
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[=] __device__ __host__ (const T& ai, const T& bi, const T& ci){
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return ai + bi + scalar * ci;
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})
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);
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synchronise();
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}
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template <class T>
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T ThrustStream<T>::dot()
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{
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return thrust::inner_product(a.begin(), a.end(), b.begin(), T{});
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}
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#if THRUST_DEVICE_SYSTEM == THRUST_DEVICE_SYSTEM_CUDA || \
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(defined(THRUST_DEVICE_SYSTEM_HIP) && THRUST_DEVICE_SYSTEM_HIP == THRUST_DEVICE_SYSTEM)
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#ifdef __NVCC__
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#define IMPL_FN__(fn) cuda ## fn
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#define IMPL_TYPE__(tpe) cuda ## tpe
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#elif defined(__HIP_PLATFORM_HCC__)
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#define IMPL_FN__(fn) hip ## fn
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#define IMPL_TYPE__(tpe) hip ## tpe ## _t
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#else
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# error Unsupported compiler for Thrust
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#endif
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void check_error(void)
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{
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IMPL_FN__(Error_t) err = IMPL_FN__(GetLastError());
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if (err != IMPL_FN__(Success))
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{
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std::cerr << "Error: " << IMPL_FN__(GetErrorString(err)) << std::endl;
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exit(err);
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}
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}
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void listDevices(void)
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{
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// Get number of devices
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int count;
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IMPL_FN__(GetDeviceCount(&count));
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check_error();
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// Print device names
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if (count == 0)
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{
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std::cerr << "No devices found." << std::endl;
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}
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else
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{
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std::cout << std::endl;
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std::cout << "Devices:" << std::endl;
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for (int i = 0; i < count; i++)
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{
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std::cout << i << ": " << getDeviceName(i) << std::endl;
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}
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std::cout << std::endl;
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}
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}
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std::string getDeviceName(const int device)
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{
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IMPL_TYPE__(DeviceProp) props = {};
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IMPL_FN__(GetDeviceProperties(&props, device));
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check_error();
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return std::string(props.name);
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}
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std::string getDeviceDriver(const int device)
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{
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IMPL_FN__(SetDevice(device));
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check_error();
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int driver;
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IMPL_FN__(DriverGetVersion(&driver));
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check_error();
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return std::to_string(driver);
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}
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#undef IMPL_FN__
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#undef IMPL_TPE__
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#else
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void listDevices(void)
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{
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std::cout << "0: CPU" << std::endl;
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}
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std::string getDeviceName(const int)
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{
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return std::string("(device name unavailable)");
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}
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std::string getDeviceDriver(const int)
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{
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return std::string("(device driver unavailable)");
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}
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#endif
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template class ThrustStream<float>;
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template class ThrustStream<double>;
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43
ThrustStream.h
Normal file
43
ThrustStream.h
Normal file
@ -0,0 +1,43 @@
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// Copyright (c) 2020 Tom Deakin
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// University of Bristol HPC
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//
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// For full license terms please see the LICENSE file distributed with this
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// source code
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#pragma once
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#include <iostream>
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#include <vector>
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#include <thrust/device_vector.h>
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#include "Stream.h"
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#define IMPLEMENTATION_STRING "Thrust"
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template <class T>
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class ThrustStream : public Stream<T>
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{
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protected:
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// Size of arrays
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int array_size;
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thrust::device_vector<T> a;
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thrust::device_vector<T> b;
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thrust::device_vector<T> c;
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public:
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ThrustStream(const int, int);
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~ThrustStream() = default;
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virtual void copy() override;
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virtual void add() override;
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virtual void mul() override;
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virtual void triad() override;
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virtual void nstream() override;
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virtual T dot() override;
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virtual void init_arrays(T initA, T initB, T initC) override;
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virtual void read_arrays(std::vector<T>& a, std::vector<T>& b, std::vector<T>& c) override;
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};
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@ -135,17 +135,20 @@ setup_aocc() {
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setup_nvhpc() {
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echo "Preparing Nvidia HPC SDK"
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local tarball="nvhpc.tar.gz"
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# local url="http://localhost:8000/nvhpc_2021_215_Linux_x86_64_cuda_11.3.tar.gz"
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local url="https://developer.download.nvidia.com/hpc-sdk/21.5/nvhpc_2021_215_Linux_x86_64_cuda_11.3.tar.gz"
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# local url="http://localhost:8000/nvhpc_2021_219_Linux_x86_64_cuda_11.4.tar.gz"
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local url="https://developer.download.nvidia.com/hpc-sdk/21.9/nvhpc_2021_219_Linux_x86_64_cuda_11.4.tar.gz"
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get_and_untar "$tarball" "$url"
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local sdk_dir="$PWD/nvhpc_2021_215_Linux_x86_64_cuda_11.3/install_components/Linux_x86_64/21.5"
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local sdk_dir="$PWD/nvhpc_2021_219_Linux_x86_64_cuda_11.4/install_components/Linux_x86_64/21.9"
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local bin_dir="$sdk_dir/compilers/bin"
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"$bin_dir/makelocalrc" "$bin_dir" -x
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export_var NVHPC_SDK_DIR "$sdk_dir"
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export_var NVHPC_CUDA_DIR "$sdk_dir/cuda/11.4"
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export_var NVHPC_NVCXX "$bin_dir/nvc++"
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export_var NVHPC_NVCC "$sdk_dir/cuda/11.3/bin/nvcc"
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export_var NVHPC_CUDA_DIR "$sdk_dir/cuda/11.3"
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export_var NVHPC_NVCC "$sdk_dir/cuda/11.4/bin/nvcc"
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echo "Installed CUDA versions:"
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ls "$sdk_dir/cuda"
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verify_bin_exists "$NVHPC_NVCXX"
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@ -249,10 +252,11 @@ setup_clang_gcc() {
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setup_rocm() {
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wget -q -O - "https://repo.radeon.com/rocm/rocm.gpg.key" | sudo apt-key add -
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echo 'deb [arch=amd64] https://repo.radeon.com/rocm/apt/debian/ xenial main' | sudo tee /etc/apt/sources.list.d/rocm.list
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echo 'deb [arch=amd64] https://repo.radeon.com/rocm/apt/4.5 ubuntu main' | sudo tee /etc/apt/sources.list.d/rocm.list
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sudo apt-get update -qq
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sudo apt-get install -y -qq rocm-dev
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sudo apt-get install -y -qq rocm-dev rocthrust-dev
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export_var ROCM_PATH "/opt/rocm"
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export_var PATH "$ROCM_PATH/bin:$PATH" # ROCm needs this for many of their libraries' CMake build to work
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export_var HIP_CXX "$ROCM_PATH/bin/hipcc"
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verify_bin_exists "$HIP_CXX"
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"$HIP_CXX" --version
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@ -57,7 +57,7 @@ run_build() {
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local cmake_code=$?
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"$CMAKE_BIN" --build "$build" -j "$(nproc)" &>>"$log"
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"$CMAKE_BIN" --build "$build" --target install -j "$(nproc)" &>>"$log"
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"$CMAKE_BIN" --build "$build" --target install -j "$(nproc)" &>>"$log"
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local cmake_code=$?
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set -e
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@ -92,11 +92,11 @@ run_build() {
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# GCC_CXX="/usr/bin/g++"
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# CLANG_CXX="/usr/bin/clang++"
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# NVSDK="/home/tom/Downloads/nvhpc_2021_212_Linux_x86_64_cuda_11.2/install_components/Linux_x86_64/21.2/"
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# NVHPC_NVCXX="$NVSDK/compilers/bin/nvc++"
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# NVHPC_NVCC="$NVSDK/cuda/11.2/bin/nvcc"
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# NVHPC_CUDA_DIR="$NVSDK/cuda/11.2"
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# "$NVSDK/compilers/bin/makelocalrc" "$NVSDK/compilers/bin/" -x
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# NVHPC_SDK_DIR="/home/tom/Downloads/nvhpc_2021_212_Linux_x86_64_cuda_11.2/install_components/Linux_x86_64/21.2/"
|
||||
# NVHPC_NVCXX="$NVHPC_SDK_DIR/compilers/bin/nvc++"
|
||||
# NVHPC_NVCC="$NVHPC_SDK_DIR/cuda/11.2/bin/nvcc"
|
||||
# NVHPC_CUDA_DIR="$NVHPC_SDK_DIR/cuda/11.2"
|
||||
# "$NVHPC_SDK_DIR/compilers/bin/makelocalrc" "$NVHPC_SDK_DIR/compilers/bin/" -x
|
||||
|
||||
# AOCC_CXX="/opt/AMD/aocc-compiler-2.3.0/bin/clang++"
|
||||
# AOMP_CXX="/usr/lib/aomp/bin/clang++"
|
||||
@ -124,7 +124,7 @@ run_build() {
|
||||
|
||||
AMD_ARCH="gfx_903"
|
||||
NV_ARCH="sm_70"
|
||||
NV_ARCH_CCXY="cuda11.3,cc80"
|
||||
NV_ARCH_CCXY="cuda11.4,cc80"
|
||||
|
||||
build_gcc() {
|
||||
local name="gcc_build"
|
||||
@ -171,6 +171,28 @@ build_gcc() {
|
||||
# -DCUDA_TOOLKIT_ROOT_DIR=${NVHPC_CUDA_DIR:?} \
|
||||
# -DCUDA_ARCH=$NV_ARCH"
|
||||
|
||||
|
||||
# CMake >= 3.15 only due to Nvidia's Thrust CMake requirements
|
||||
local current=$("$CMAKE_BIN" --version | head -n 1 | cut -d ' ' -f3)
|
||||
local required="3.15.0"
|
||||
if [ "$(printf '%s\n' "$required" "$current" | sort -V | head -n1)" = "$required" ]; then
|
||||
run_build $name "${GCC_CXX:?}" THRUST "$cxx -DCMAKE_CUDA_COMPILER=${NVHPC_NVCC:?} -DCUDA_ARCH=$NV_ARCH -DSDK_DIR=$NVHPC_CUDA_DIR/include -DTHRUST_IMPL=CUDA -DBACKEND=CUDA"
|
||||
run_build $name "${GCC_CXX:?}" THRUST "$cxx -DCMAKE_CUDA_COMPILER=${NVHPC_NVCC:?} -DCUDA_ARCH=$NV_ARCH -DSDK_DIR=$NVHPC_CUDA_DIR/include -DTHRUST_IMPL=CUDA -DBACKEND=OMP"
|
||||
run_build $name "${GCC_CXX:?}" THRUST "$cxx -DCMAKE_CUDA_COMPILER=${NVHPC_NVCC:?} -DCUDA_ARCH=$NV_ARCH -DSDK_DIR=$NVHPC_CUDA_DIR/include -DTHRUST_IMPL=CUDA -DBACKEND=CPP"
|
||||
|
||||
# FIXME CUDA Thrust + TBB throws the following error:
|
||||
# /usr/lib/gcc/x86_64-linux-gnu/9/include/avx512fintrin.h(9146): error: identifier "__builtin_ia32_rndscaless_round" is undefined
|
||||
# /usr/lib/gcc/x86_64-linux-gnu/9/include/avx512fintrin.h(9155): error: identifier "__builtin_ia32_rndscalesd_round" is undefined
|
||||
# /usr/lib/gcc/x86_64-linux-gnu/9/include/avx512fintrin.h(14797): error: identifier "__builtin_ia32_rndscaless_round" is undefined
|
||||
# /usr/lib/gcc/x86_64-linux-gnu/9/include/avx512fintrin.h(14806): error: identifier "__builtin_ia32_rndscalesd_round" is undefined
|
||||
# /usr/lib/gcc/x86_64-linux-gnu/9/include/avx512dqintrin.h(1365): error: identifier "__builtin_ia32_fpclassss" is undefined
|
||||
# /usr/lib/gcc/x86_64-linux-gnu/9/include/avx512dqintrin.h(1372): error: identifier "__builtin_ia32_fpclasssd" is undefined
|
||||
|
||||
# run_build $name "${GCC_CXX:?}" THRUST "$cxx -DCMAKE_CUDA_COMPILER=${NVHPC_NVCC:?} -DCUDA_ARCH=$NV_ARCH -DSDK_DIR=$NVHPC_CUDA_DIR/include -DTHRUST_IMPL=CUDA -DBACKEND=TBB"
|
||||
else
|
||||
echo "CMake version ${current} < ${required}, skipping Thrust models"
|
||||
fi
|
||||
|
||||
}
|
||||
|
||||
build_clang() {
|
||||
@ -193,7 +215,7 @@ build_clang() {
|
||||
run_build $name "${CLANG_CXX:?}" OCL "$cxx -DOpenCL_LIBRARY=${OCL_LIB:?}"
|
||||
run_build $name "${CLANG_CXX:?}" STD "$cxx -DCXX_EXTRA_LIBRARIES=${CLANG_STD_PAR_LIB:-}"
|
||||
# run_build $name "${LANG_CXX:?}" STD20 "$cxx -DCXX_EXTRA_LIBRARIES=${CLANG_STD_PAR_LIB:-}" # not yet supported
|
||||
|
||||
|
||||
run_build $name "${CLANG_CXX:?}" TBB "$cxx -DONE_TBB_DIR=$TBB_LIB"
|
||||
run_build $name "${CLANG_CXX:?}" TBB "$cxx" # build TBB again with the system TBB
|
||||
|
||||
@ -219,7 +241,11 @@ build_aomp() {
|
||||
}
|
||||
|
||||
build_hip() {
|
||||
run_build hip_build "${HIP_CXX:?}" HIP "-DCMAKE_CXX_COMPILER=${HIP_CXX:?}"
|
||||
local name="hip_build"
|
||||
|
||||
run_build $name "${HIP_CXX:?}" HIP "-DCMAKE_CXX_COMPILER=${HIP_CXX:?}"
|
||||
|
||||
run_build $name "${GCC_CXX:?}" THRUST "-DCMAKE_CXX_COMPILER=${HIP_CXX:?} -DSDK_DIR=$ROCM_PATH -DTHRUST_IMPL=ROCM"
|
||||
}
|
||||
|
||||
build_icpx() {
|
||||
|
||||
6
main.cpp
6
main.cpp
@ -27,6 +27,8 @@
|
||||
#include "STD20Stream.hpp"
|
||||
#elif defined(TBB)
|
||||
#include "TBBStream.hpp"
|
||||
#elif defined(THRUST)
|
||||
#include "ThrustStream.h"
|
||||
#elif defined(HIP)
|
||||
#include "HIPStream.h"
|
||||
#elif defined(HC)
|
||||
@ -272,6 +274,10 @@ void run()
|
||||
// Use the C++20 implementation
|
||||
stream = new TBBStream<T>(ARRAY_SIZE, deviceIndex);
|
||||
|
||||
#elif defined(THRUST)
|
||||
// Use the Thrust implementation
|
||||
stream = new ThrustStream<T>(ARRAY_SIZE, deviceIndex);
|
||||
|
||||
#elif defined(ACC)
|
||||
// Use the OpenACC implementation
|
||||
stream = new ACCStream<T>(ARRAY_SIZE, deviceIndex);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user