Program Listing for File CudaMemsetOperation.cpp

↰ Return to documentation for file (umpire/op/CudaMemsetOperation.cpp)

//////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2016-20, Lawrence Livermore National Security, LLC and Umpire
// project contributors. See the COPYRIGHT file for details.
//
// SPDX-License-Identifier: (MIT)
//////////////////////////////////////////////////////////////////////////////
#include "umpire/op/CudaMemsetOperation.hpp"

#include <cuda_runtime_api.h>

#include "umpire/util/Macros.hpp"

namespace umpire {
namespace op {

void CudaMemsetOperation::apply(
    void* src_ptr, util::AllocationRecord* UMPIRE_UNUSED_ARG(allocation),
    int value, std::size_t length)
{
  cudaError_t error = ::cudaMemset(src_ptr, value, length);

  if (error != cudaSuccess) {
    UMPIRE_ERROR("cudaMemset( src_ptr = "
                 << src_ptr << ", value = " << value << ", length = " << length
                 << ") failed with error: " << cudaGetErrorString(error));
  }

  UMPIRE_RECORD_STATISTIC("CudaMemsetOperation", "src_ptr",
                          reinterpret_cast<uintptr_t>(src_ptr), "value", value,
                          "size", length, "event", "memset");
}

camp::resources::Event CudaMemsetOperation::apply_async(
    void* src_ptr, util::AllocationRecord* UMPIRE_UNUSED_ARG(allocation),
    int value, std::size_t length, camp::resources::Resource& ctx)
{
  auto device = ctx.get<camp::resources::Cuda>();
  auto stream = device.get_stream();

  cudaError_t error = ::cudaMemsetAsync(src_ptr, value, length, stream);

  if (error != cudaSuccess) {
    UMPIRE_ERROR("cudaMemset( src_ptr = "
                 << src_ptr << ", value = " << value << ", length = " << length
                 << ") failed with error: " << cudaGetErrorString(error));
  }

  UMPIRE_RECORD_STATISTIC("CudaMemsetOperation", "src_ptr",
                          reinterpret_cast<uintptr_t>(src_ptr), "value", value,
                          "size", length, "event", "memset");

  return ctx.get_event();
}

} // end of namespace op
} // end of namespace umpire