| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
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| 10 | |
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| 11 | #include <algorithm> |
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| 12 | #include <cassert> |
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| 13 | |
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| 14 | #include <benchmark/benchmark.h> |
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| 15 | #include "test_macros.h" |
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| 16 | |
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| 17 | void run_sizes(auto benchmark) { |
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| 18 | benchmark->Arg(1) |
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| 19 | ->Arg(2) |
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| 20 | ->Arg(3) |
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| 21 | ->Arg(4) |
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| 22 | ->Arg(5) |
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| 23 | ->Arg(6) |
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| 24 | ->Arg(7) |
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| 25 | ->Arg(8) |
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| 26 | ->Arg(9) |
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| 27 | ->Arg(10) |
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| 28 | ->Arg(11) |
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| 29 | ->Arg(12) |
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| 30 | ->Arg(13) |
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| 31 | ->Arg(14) |
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| 32 | ->Arg(15) |
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| 33 | ->Arg(16) |
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| 34 | ->Arg(17) |
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| 35 | ->Arg(18) |
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| 36 | ->Arg(19) |
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| 37 | ->Arg(20) |
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| 38 | ->Arg(21) |
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| 39 | ->Arg(22) |
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| 40 | ->Arg(23) |
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| 41 | ->Arg(24) |
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| 42 | ->Arg(25) |
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| 43 | ->Arg(26) |
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| 44 | ->Arg(27) |
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| 45 | ->Arg(28) |
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| 46 | ->Arg(29) |
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| 47 | ->Arg(30) |
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| 48 | ->Arg(31) |
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| 49 | ->Arg(32) |
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| 50 | ->Arg(64) |
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| 51 | ->Arg(512) |
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| 52 | ->Arg(1024) |
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| 53 | ->Arg(4000) |
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| 54 | ->Arg(4096) |
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| 55 | ->Arg(5500) |
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| 56 | ->Arg(64000) |
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| 57 | ->Arg(65536) |
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| 58 | ->Arg(70000); |
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| 59 | } |
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| 60 | |
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| 61 | template <class T> |
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| 62 | static void BM_std_min(benchmark::State& state) { |
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| 63 | std::vector<T> vec(state.range(), 3); |
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| 64 | |
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| 65 | for (auto _ : state) { |
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| 66 | benchmark::DoNotOptimize(vec); |
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| 67 | benchmark::DoNotOptimize(std::ranges::min(vec)); |
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| 68 | } |
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| 69 | } |
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| 70 | BENCHMARK(BM_std_min<char>)->Apply(func: run_sizes); |
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| 71 | BENCHMARK(BM_std_min<short>)->Apply(func: run_sizes); |
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| 72 | BENCHMARK(BM_std_min<int>)->Apply(func: run_sizes); |
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| 73 | BENCHMARK(BM_std_min<long long>)->Apply(func: run_sizes); |
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| 74 | #ifndef TEST_HAS_NO_INT128 |
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| 75 | BENCHMARK(BM_std_min<__int128>)->Apply(func: run_sizes); |
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| 76 | #endif |
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| 77 | BENCHMARK(BM_std_min<unsigned char>)->Apply(func: run_sizes); |
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| 78 | BENCHMARK(BM_std_min<unsigned short>)->Apply(func: run_sizes); |
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| 79 | BENCHMARK(BM_std_min<unsigned int>)->Apply(func: run_sizes); |
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| 80 | BENCHMARK(BM_std_min<unsigned long long>)->Apply(func: run_sizes); |
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| 81 | #ifndef TEST_HAS_NO_INT128 |
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| 82 | BENCHMARK(BM_std_min<unsigned __int128>)->Apply(func: run_sizes); |
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| 83 | #endif |
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| 84 | |
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| 85 | BENCHMARK_MAIN(); |
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| 86 | |
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