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/* **************************************************************************
* Copyright (C) 2018-2024 Advanced Micro Devices, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* *************************************************************************/
#include <cstdlib>
#include <cstring>
#include <string>
#include <fmt/core.h>
#include <rocblas/rocblas.h>
#include "clients_utility.hpp"
#include "rocblas_random.hpp"
#ifdef _WIN32
#include <windows.h>
#if __has_include(<filesystem>)
#include <filesystem>
namespace fs = std::filesystem;
#else
#include <experimental/filesystem>
namespace fs = std::experimental::filesystem;
#endif
#else
#include <fcntl.h>
#endif
// Random number generator
// Note: We do not use random_device to initialize the RNG, because we want
// repeatability in case of test failure. TODO: Add seed as an optional CLI
// argument, and print the seed on output, to ensure repeatability.
const rocblas_rng_t rocblas_seed(69069); // A fixed seed to start at
// This records the main thread ID at startup
const std::thread::id main_thread_id = std::this_thread::get_id();
// For the main thread, we use rocblas_seed; for other threads, we start with a
// different seed but deterministically based on the thread id's hash function.
thread_local rocblas_rng_t rocblas_rng = get_seed();
// Return the path to the currently running executable
std::string rocsolver_exepath()
{
#ifdef _WIN32
std::vector<TCHAR> result(MAX_PATH + 1);
DWORD length = 0;
for(;;)
{
length = GetModuleFileNameA(nullptr, result.data(), result.size());
if(length < result.size() - 1)
{
result.resize(length + 1);
break;
}
result.resize(result.size() * 2);
}
fs::path exepath(result.begin(), result.end());
exepath = exepath.remove_filename();
exepath += exepath.empty() ? "" : "/";
return exepath.string();
#else
std::string pathstr;
char* path = realpath("/proc/self/exe", 0);
if(path)
{
char* p = strrchr(path, '/');
if(p)
{
p[1] = 0;
pathstr = path;
}
free(path);
}
return pathstr;
#endif
}
/* ============================================================================================
*/
/* device query and print out their ID and name; return number of
* compute-capable devices. */
rocblas_int query_device_property()
{
int device_count = 0;
hipError_t status = hipGetDeviceCount(&device_count);
if(status != hipSuccess)
{
fmt::print(stderr, "Query device error: cannot get device count\n");
return -1;
}
fmt::print("Query device success: there are {} devices\n", device_count);
for(int i = 0;; i++)
{
fmt::print("{:-<79}\n", ""); // horizontal rule
if(i >= device_count)
break;
hipDeviceProp_t props;
status = hipGetDeviceProperties(&props, i);
if(status != hipSuccess)
{
fmt::print(stderr, "Query device error: cannot get device ID {}'s property\n", i);
continue;
}
fmt::print("Device ID {} : {}\nwith {:3.1f} GB memory, max. SCLK {} MHz, "
"max. MCLK {} MHz, compute capability {}.{}\nmaxGridDimX {}, "
"sharedMemPerBlock {:3.1f} KB, maxThreadsPerBlock {}, warpSize {}\n",
i, props.name, props.totalGlobalMem / 1e9, int(props.clockRate / 1000),
int(props.memoryClockRate / 1000), props.major, props.minor, props.maxGridSize[0],
props.sharedMemPerBlock / 1e3, props.maxThreadsPerBlock, props.warpSize);
}
return device_count;
}
/* set current device to device_id */
void set_device(rocblas_int device_id)
{
hipError_t status = hipSetDevice(device_id);
if(status != hipSuccess)
fmt::print(stderr, "Set device error: cannot set device ID {}\n", device_id);
}
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