[INFRA] Import NVIDIA/CCCL upstream as optimization reference library
CCCL (CUDA C++ Core Libraries) provides: - CUB: device/block/warp-level GPU primitives (reduce, scan, sort, topk) - Thrust: high-level parallel algorithms (transform_reduce, sort, scan) - libcudacxx: CUDA C++ standard library (atomics, barriers, memory) - cudax: experimental features (memory resources, allocators) - Tuning policies: per-SM hardware-specific algorithm parameters Competition optimization vectors mapped to CCCL: - Output TPS (83% weight): warp_reduce, block_reduce, device_topk - Input TPS (14% weight): device_scan, block_load, prefetch - Cache TPS (3% weight): prefix caching strategy patterns - Memory (0.9 util): pooled/cached/buddy allocators Source: https://github.com/NVIDIA/cccl (shallow clone, HEAD only) License: Apache-2.0
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EngineX CI
34
cccl_upstream/libcudacxx/test/maintenance/all-internal-headers
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34
cccl_upstream/libcudacxx/test/maintenance/all-internal-headers
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#!/usr/bin/env bash
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#this creates a set of tests, that ensures, that all internal headers can be build independently
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set -euo pipefail
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internal_headers=$(find ../../include -path "*cuda/std/__*/*" -not -path "*/__cuda/*")
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cd ../../test/libcxx/selftest/internal_headers
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for f in $internal_headers
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do
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short_path=${f##*../include/}
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test_name=${f##*include/}
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test_name=${test_name%.h}.pass.cpp
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mkdir -p -- "${test_name%/*}"
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cat > "$test_name" << EOL
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//===----------------------------------------------------------------------===//
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//
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// Part of libcu++, the C++ Standard Library for your entire system,
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// under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES.
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//
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//===----------------------------------------------------------------------===//
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#include <cuda/std/version>
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#include <$short_path>
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int main(int, char**) { return 0; }
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EOL
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done
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16
cccl_upstream/libcudacxx/test/maintenance/cuda-to-std
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cccl_upstream/libcudacxx/test/maintenance/cuda-to-std
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#!/usr/bin/env bash
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set -euo pipefail
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root_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
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stdlib_headers=$(<"${root_dir}/maintenance/stdlib-headers")
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# shellcheck disable=SC2001
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header_replacements=$(echo "${stdlib_headers}" | sed 's#<\(.*\)>#-e s:<cuda/std/\1>:<\1>:g#')
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find "${root_dir}/test" -name "*.cpp" |
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while read -r file
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do
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sed -i "${file}" "${header_replacements}"
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sed -i "${file}" -e 's/cuda::std::/std::/g'
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done
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16
cccl_upstream/libcudacxx/test/maintenance/std-to-cuda
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16
cccl_upstream/libcudacxx/test/maintenance/std-to-cuda
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#!/usr/bin/env bash
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set -euo pipefail
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root_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
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stdlib_headers=$(<"${root_dir}/maintenance/stdlib-headers")
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# shellcheck disable=SC2001
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header_replacements=$(echo "${stdlib_headers}" | sed 's#<\(.*\)>#-e s:<\1>:<cuda/std/\1>:g#')
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find "${root_dir}/test" -name "*.cpp" |
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while read -r file
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do
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sed -i "${file}" "${header_replacements}"
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perl -pi -e 's/((?<!cuda::))std::/\1cuda::std::/g' "${file}"
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done
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95
cccl_upstream/libcudacxx/test/maintenance/stdlib-headers
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95
cccl_upstream/libcudacxx/test/maintenance/stdlib-headers
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<algorithm>
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<any>
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<array>
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<atomic>
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<barrier>
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<bit>
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<bitset>
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<cassert>
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<ccomplex>
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<cctype>
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<cerrno>
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<cfenv>
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<cfloat>
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<charconv>
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<chrono>
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<cinttypes>
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<climits>
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<clocale>
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<cmath>
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<codecvt>
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<compare>
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<complex>
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<concepts>
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<condition_variable>
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<contract>
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<csetjmp>
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<csignal>
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<cstdarg>
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<cstddef>
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<cstdint>
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<cstdio>
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<cstdlib>
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<cstring>
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<ctime>
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<cuchar>
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<cwchar>
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<cwctype>
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<deque>
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<exception>
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<execution>
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<filesystem>
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<forward_list>
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<fstream>
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<functional>
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<future>
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<initializer_list>
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<iomanip>
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<ios>
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<iosfwd>
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<iostream>
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<istream>
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<iterator>
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<latch>
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<limits>
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<list>
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<locale>
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<map>
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<memory>
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<memory_resource>
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<mutex>
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<new>
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<numeric>
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<optional>
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<ostream>
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<queue>
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<random>
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<ranges>
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<ratio>
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<regex>
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<scoped_allocator>
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<semaphore>
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<set>
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<shared_mutex>
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<span>
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<sstream>
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<stack>
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<stdexcept>
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<streambuf>
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<string>
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<string_view>
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<strstream>
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<syncstream>
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<system_error>
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<thread>
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<tuple>
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<type_traits>
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<typeindex>
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<typeinfo>
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<unordered_map>
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<unordered_set>
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<utility>
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<valarray>
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<variant>
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<vector>
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<version>
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