diff options
Diffstat (limited to 'src/boost/libs/fiber/examples/hip')
-rw-r--r-- | src/boost/libs/fiber/examples/hip/Makefile | 29 | ||||
-rw-r--r-- | src/boost/libs/fiber/examples/hip/multiple_streams.cpp | 111 | ||||
-rw-r--r-- | src/boost/libs/fiber/examples/hip/single_stream.cpp | 96 |
3 files changed, 236 insertions, 0 deletions
diff --git a/src/boost/libs/fiber/examples/hip/Makefile b/src/boost/libs/fiber/examples/hip/Makefile new file mode 100644 index 00000000..d40e8c1a --- /dev/null +++ b/src/boost/libs/fiber/examples/hip/Makefile @@ -0,0 +1,29 @@ +HIP_PATH := /opt/rocm/hip + +HIPCC := $(HIP_PATH)/bin/hipcc + +CPPFLAGS := -O2 -std=c++11 +LDFLAGS := -L/usr/local/lib +INCLUDES := -I/usr/local/include -I$(HIP_PATH)/include +LIBRARIES := -lboost_fiber -lboost_context -lboost_system -lboost_filesystem + +all: build + +build: single_stream multiple_streams + +single_stream.o:single_stream.cpp + $(HIPCC) $(INCLUDES) $(CPPFLAGS) -o $@ -c $< + +single_stream: single_stream.o + $(HIPCC) $(LDFLAGS) -o $@ $+ $(LIBRARIES) + +multiple_streams.o:multiple_streams.cpp + $(HIPCC) $(INCLUDES) $(CPPFLAGS) -o $@ -c $< + +multiple_streams: multiple_streams.o + $(HIPCC) $(LDFLAGS) -o $@ $+ $(LIBRARIES) + +clean: + rm -f single_stream single_stream.o multiple_streams multiple_streams.o + +clobber: clean diff --git a/src/boost/libs/fiber/examples/hip/multiple_streams.cpp b/src/boost/libs/fiber/examples/hip/multiple_streams.cpp new file mode 100644 index 00000000..75a7449c --- /dev/null +++ b/src/boost/libs/fiber/examples/hip/multiple_streams.cpp @@ -0,0 +1,111 @@ + +// Copyright Oliver Kowalke 2017. +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +#include <chrono> +#include <cstdlib> +#include <iostream> +#include <memory> +#include <random> +#include <tuple> + +#include <hip/hip_runtime.h> + +#include <boost/assert.hpp> +#include <boost/bind.hpp> +#include <boost/intrusive_ptr.hpp> + +#include <boost/fiber/all.hpp> +#include <boost/fiber/hip/waitfor.hpp> + +__global__ +void vector_add(hipLaunchParm lp, int * a, int * b, int * c, int size) { + int idx = threadIdx.x + blockIdx.x * blockDim.x; + if ( idx < size) { + c[idx] = a[idx] + b[idx]; + } +} + +int main() { + try { + bool done = false; + boost::fibers::fiber f1( [&done]{ + std::cout << "f1: entered" << std::endl; + try { + hipStream_t stream0, stream1; + hipStreamCreate( & stream0); + hipStreamCreate( & stream1); + int size = 1024 * 1024; + int full_size = 20 * size; + int * host_a, * host_b, * host_c; + hipHostMalloc( & host_a, full_size * sizeof( int), hipHostMallocDefault); + hipHostMalloc( & host_b, full_size * sizeof( int), hipHostMallocDefault); + hipHostMalloc( & host_c, full_size * sizeof( int), hipHostMallocDefault); + int * dev_a0, * dev_b0, * dev_c0; + int * dev_a1, * dev_b1, * dev_c1; + hipMalloc( & dev_a0, size * sizeof( int) ); + hipMalloc( & dev_b0, size * sizeof( int) ); + hipMalloc( & dev_c0, size * sizeof( int) ); + hipMalloc( & dev_a1, size * sizeof( int) ); + hipMalloc( & dev_b1, size * sizeof( int) ); + hipMalloc( & dev_c1, size * sizeof( int) ); + std::minstd_rand generator; + std::uniform_int_distribution<> distribution(1, 6); + for ( int i = 0; i < full_size; ++i) { + host_a[i] = distribution( generator); + host_b[i] = distribution( generator); + } + for ( int i = 0; i < full_size; i += 2 * size) { + hipMemcpyAsync( dev_a0, host_a + i, size * sizeof( int), hipMemcpyHostToDevice, stream0); + hipMemcpyAsync( dev_a1, host_a + i + size, size * sizeof( int), hipMemcpyHostToDevice, stream1); + hipMemcpyAsync( dev_b0, host_b + i, size * sizeof( int), hipMemcpyHostToDevice, stream0); + hipMemcpyAsync( dev_b1, host_b + i + size, size * sizeof( int), hipMemcpyHostToDevice, stream1); + hipLaunchKernel( vector_add, dim3(size / 256), dim3(256), 0, stream0, dev_a0, dev_b0, dev_c0, size); + hipLaunchKernel( vector_add, dim3(size / 256), dim3(256), 0, stream1, dev_a1, dev_b1, dev_c1, size); + hipMemcpyAsync( host_c + i, dev_c0, size * sizeof( int), hipMemcpyDeviceToHost, stream0); + hipMemcpyAsync( host_c + i + size, dev_c1, size * sizeof( int), hipMemcpyDeviceToHost, stream1); + } + auto results = boost::fibers::hip::waitfor_all( stream0, stream1); + for ( auto & result : results) { + BOOST_ASSERT( stream0 == std::get< 0 >( result) || stream1 == std::get< 0 >( result) ); + BOOST_ASSERT( hipSuccess == std::get< 1 >( result) ); + } + std::cout << "f1: GPU computation finished" << std::endl; + hipHostFree( host_a); + hipHostFree( host_b); + hipHostFree( host_c); + hipFree( dev_a0); + hipFree( dev_b0); + hipFree( dev_c0); + hipFree( dev_a1); + hipFree( dev_b1); + hipFree( dev_c1); + hipStreamDestroy( stream0); + hipStreamDestroy( stream1); + done = true; + } catch ( std::exception const& ex) { + std::cerr << "exception: " << ex.what() << std::endl; + } + std::cout << "f1: leaving" << std::endl; + }); + boost::fibers::fiber f2([&done]{ + std::cout << "f2: entered" << std::endl; + while ( ! done) { + std::cout << "f2: sleeping" << std::endl; + boost::this_fiber::sleep_for( std::chrono::milliseconds( 1 ) ); + } + std::cout << "f2: leaving" << std::endl; + }); + f1.join(); + f2.join(); + std::cout << "done." << std::endl; + return EXIT_SUCCESS; + } catch ( std::exception const& e) { + std::cerr << "exception: " << e.what() << std::endl; + } catch (...) { + std::cerr << "unhandled exception" << std::endl; + } + return EXIT_FAILURE; +} diff --git a/src/boost/libs/fiber/examples/hip/single_stream.cpp b/src/boost/libs/fiber/examples/hip/single_stream.cpp new file mode 100644 index 00000000..1959528e --- /dev/null +++ b/src/boost/libs/fiber/examples/hip/single_stream.cpp @@ -0,0 +1,96 @@ + +// Copyright Oliver Kowalke 2017. +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +#include <chrono> +#include <cstdlib> +#include <iostream> +#include <memory> +#include <random> +#include <tuple> + +#include <hip/hip_runtime.h> + +#include <boost/assert.hpp> +#include <boost/bind.hpp> +#include <boost/intrusive_ptr.hpp> + +#include <boost/fiber/all.hpp> +#include <boost/fiber/hip/waitfor.hpp> + +__global__ +void vector_add(hipLaunchParm lp, int * a, int * b, int * c, int size) { + int idx = threadIdx.x + blockIdx.x * blockDim.x; + if ( idx < size) { + c[idx] = a[idx] + b[idx]; + } +} + +int main() { + try { + bool done = false; + boost::fibers::fiber f1([&done]{ + std::cout << "f1: entered" << std::endl; + try { + hipStream_t stream; + hipStreamCreate( & stream); + int size = 1024 * 1024; + int full_size = 20 * size; + int * host_a, * host_b, * host_c; + hipHostMalloc( & host_a, full_size * sizeof( int), hipHostMallocDefault); + hipHostMalloc( & host_b, full_size * sizeof( int), hipHostMallocDefault); + hipHostMalloc( & host_c, full_size * sizeof( int), hipHostMallocDefault); + int * dev_a, * dev_b, * dev_c; + hipMalloc( & dev_a, size * sizeof( int) ); + hipMalloc( & dev_b, size * sizeof( int) ); + hipMalloc( & dev_c, size * sizeof( int) ); + std::minstd_rand generator; + std::uniform_int_distribution<> distribution(1, 6); + for ( int i = 0; i < full_size; ++i) { + host_a[i] = distribution( generator); + host_b[i] = distribution( generator); + } + for ( int i = 0; i < full_size; i += size) { + hipMemcpyAsync( dev_a, host_a + i, size * sizeof( int), hipMemcpyHostToDevice, stream); + hipMemcpyAsync( dev_b, host_b + i, size * sizeof( int), hipMemcpyHostToDevice, stream); + hipLaunchKernel( vector_add, dim3(size / 256), dim3(256), 0, stream, dev_a, dev_b, dev_c, size); + hipMemcpyAsync( host_c + i, dev_c, size * sizeof( int), hipMemcpyDeviceToHost, stream); + } + auto result = boost::fibers::hip::waitfor_all( stream); + BOOST_ASSERT( stream == std::get< 0 >( result) ); + BOOST_ASSERT( hipSuccess == std::get< 1 >( result) ); + std::cout << "f1: GPU computation finished" << std::endl; + hipHostFree( host_a); + hipHostFree( host_b); + hipHostFree( host_c); + hipFree( dev_a); + hipFree( dev_b); + hipFree( dev_c); + hipStreamDestroy( stream); + done = true; + } catch ( std::exception const& ex) { + std::cerr << "exception: " << ex.what() << std::endl; + } + std::cout << "f1: leaving" << std::endl; + }); + boost::fibers::fiber f2([&done]{ + std::cout << "f2: entered" << std::endl; + while ( ! done) { + std::cout << "f2: sleeping" << std::endl; + boost::this_fiber::sleep_for( std::chrono::milliseconds( 1 ) ); + } + std::cout << "f2: leaving" << std::endl; + }); + f1.join(); + f2.join(); + std::cout << "done." << std::endl; + return EXIT_SUCCESS; + } catch ( std::exception const& e) { + std::cerr << "exception: " << e.what() << std::endl; + } catch (...) { + std::cerr << "unhandled exception" << std::endl; + } + return EXIT_FAILURE; +} |