TheRock/rocm-libraries/projects/miopen/test/gtest/platform.cpp

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#include <cstdio>
#include <cstdlib>
#include <stdexcept>
#include <gtest/gtest.h>
#include "platform.hpp"

#define THROW_PLATFORM_EXCEPTION(what) \
    throw std::runtime_error(what + std::string(" at ") + __FILE__ + ":" + std::to_string(__LINE__))

// ==================== Device ====================

Device::Device(miopenHandle_t) {}

Device::~Device() {}

DevMem Device::Malloc(size_t size) const { return {*this, size}; }

bool Device::Synchronize() const
{
    auto status = hipDeviceSynchronize();
    if(status != hipSuccess)
        return false;
    return true;
}

// ==================== DevMem ====================

DevMem::DevMem(const Device&, size_t size)
{
    auto status = hipMalloc(&ptr, size);
    if(status != hipSuccess)
    {
        THROW_PLATFORM_EXCEPTION("hipMalloc error");
    }
}

DevMem::~DevMem()
{
    // ASSERT_* cannot be used in destructors (generates illegal return-void).
    auto err = hipFree(ptr);
    if(err != hipSuccess)
    {
        fprintf(
            stderr, "hipFree failed: %s at %s:%d\n", hipGetErrorString(err), __FILE__, __LINE__);
        abort();
    }
}

void* DevMem::Data() const { return ptr; }

bool DevMem::CopyToDevice(const void* src, size_t size) const
{
    auto status = hipMemcpy(ptr, src, size, hipMemcpyHostToDevice);
    if(status != hipSuccess)
        return false;
    return true;
}

bool DevMem::CopyFromDevice(void* dst, size_t size) const
{
    auto status = hipMemcpy(dst, ptr, size, hipMemcpyDeviceToHost);
    if(status != hipSuccess)
        return false;
    return true;
}