Dheemanth b7c5481c55
Release v13.3 of the CUDA samples with CUDA 13.3 Toolkit (#435)
This is the release of the CUDA 13.3 samples, which include additions for CUDA Tile C++, and updated CCCL and Python samples.
2026-05-27 16:50:59 -05:00

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4.2 KiB
C++

/* Copyright (c) 2026, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of NVIDIA CORPORATION nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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 COPYRIGHT OWNER 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.
*/
#pragma once
#include "backend_common.h"
#include <cstdio>
#include <cstdlib>
#include <filesystem>
#include <iostream>
#include <string>
#include <system_error>
#include <vector>
inline CompiledKernel compileFileWithNVCC(const char *filename,
int sm_value,
int block_m, int block_n, int block_k,
const std::vector<std::string>& extra_flags) {
// Check CUDA include path for cuda_fp16.h
const char *include_path = CUDA_INCLUDE_PATH;
if (include_path[0] == '\0') {
printf("\n ERROR: unable to locate CUDA include directory containing cuda_fp16.h\n");
exit(EXIT_FAILURE);
}
std::filesystem::path keep_dir = makeTempPath("matmul_nvcc_keep", "");
std::error_code ec;
if (!std::filesystem::create_directory(keep_dir, ec)) {
std::cerr << "\nerror: unable to create " << keep_dir.string()
<< " (" << ec.message() << ")\n";
exit(EXIT_FAILURE);
}
std::string base = baseNameWithoutExtension(filename);
#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
const char *object_suffix = ".obj";
#else
const char *object_suffix = ".o";
#endif
std::filesystem::path object_file = keep_dir / (base + object_suffix);
std::filesystem::path tile_cubin_file = keep_dir / (base + ".tile.cubin");
std::vector<std::string> args = {
NVCC_PATH,
"--enable-tile",
"-std=c++20",
"-arch=sm_" + std::to_string(sm_value),
"-lineinfo",
"-c",
filename,
"-o",
object_file.string(),
"--keep",
"--keep-dir",
keep_dir.string(),
"-I",
include_path
};
appendTileBlockMacroOptions(args, block_m, block_n, block_k);
for (const auto& flag : extra_flags) {
args.push_back(flag);
}
std::string cmd = joinShellCommand(args);
std::cerr << "\nCompiling file with NVCC\n";
int ret = system(cmd.c_str());
if (ret != 0) {
fprintf(stderr, "Error: nvcc compilation failed with code %d\n", ret);
fprintf(stderr, "Command: %s\n", cmd.c_str());
std::filesystem::remove_all(keep_dir);
exit(EXIT_FAILURE);
}
if (!std::filesystem::exists(tile_cubin_file)) {
fprintf(stderr, "Error: nvcc did not produce expected Tile cubin %s\n",
tile_cubin_file.string().c_str());
std::filesystem::remove_all(keep_dir);
exit(EXIT_FAILURE);
}
CompiledKernel kernel;
kernel.image = readBinaryFile(tile_cubin_file.string());
std::filesystem::remove_all(keep_dir);
return kernel;
}