1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <err.h> 18 #include <langinfo.h> 19 #include <locale.h> 20 #include <stdlib.h> 21 22 #include <benchmark/benchmark.h> 23 #include "util.h" 24 25 static void BM_stdlib_malloc_free(benchmark::State& state) { 26 const size_t nbytes = state.range(0); 27 28 void* c; 29 while (state.KeepRunning()) { 30 c = malloc(nbytes); 31 free(c); 32 } 33 34 state.SetBytesProcessed(uint64_t(state.iterations()) * uint64_t(nbytes)); 35 } 36 BIONIC_BENCHMARK_WITH_ARG(BM_stdlib_malloc_free, "AT_COMMON_SIZES"); 37 38 static void BM_stdlib_mbstowcs(benchmark::State& state) { 39 const size_t buf_alignment = state.range(0); 40 const size_t widebuf_alignment = state.range(1); 41 42 std::vector<char> buf; 43 std::vector<wchar_t> widebuf; 44 45 setlocale(LC_CTYPE, "C.UTF-8") 46 || setlocale(LC_CTYPE, "en_US.UTF-8") 47 || setlocale(LC_CTYPE, "en_GB.UTF-8") 48 || setlocale(LC_CTYPE, "en.UTF-8") 49 || setlocale(LC_CTYPE, "de_DE-8") 50 || setlocale(LC_CTYPE, "fr_FR-8"); 51 if (strcmp(nl_langinfo(CODESET), "UTF-8")) { 52 errx(1, "ERROR: unable to set locale in BM_stdlib_mbstowcs"); 53 } 54 55 char* buf_aligned = GetAlignedPtr(&buf, buf_alignment, 500000); 56 wchar_t* widebuf_aligned = GetAlignedPtr(&widebuf, widebuf_alignment, 500000); 57 size_t i, j, k, l; 58 l = 0; 59 for (i=0xc3; i<0xe0; i++) 60 for (j=0x80; j<0xc0; j++) 61 buf[l++] = i, buf[l++] = j; 62 for (i=0xe1; i<0xed; i++) 63 for (j=0x80; j<0xc0; j++) 64 for (k=0x80; k<0xc0; k++) 65 buf[l++] = i, buf[l++] = j, buf[l++] = k; 66 for (i=0xf1; i<0xf4; i++) 67 for (j=0x80; j<0xc0; j++) 68 for (k=0x80; k<0xc0; k++) 69 buf[l++] = i, buf[l++] = j, buf[l++] = 0x80, buf[l++] = k; 70 buf[l++] = 0; 71 72 volatile size_t c __attribute__((unused)) = 0; 73 while (state.KeepRunning()) { 74 c = mbstowcs(widebuf_aligned, buf_aligned, 500000); 75 } 76 77 state.SetBytesProcessed(uint64_t(state.iterations()) * uint64_t(500000)); 78 } 79 BIONIC_BENCHMARK_WITH_ARG(BM_stdlib_mbstowcs, "0 0"); 80 81 static void BM_stdlib_mbrtowc(benchmark::State& state) { 82 const size_t buf_alignment = state.range(0); 83 84 std::vector<char> buf; 85 86 setlocale(LC_CTYPE, "C.UTF-8") 87 || setlocale(LC_CTYPE, "en_US.UTF-8") 88 || setlocale(LC_CTYPE, "en_GB.UTF-8") 89 || setlocale(LC_CTYPE, "en.UTF-8") 90 || setlocale(LC_CTYPE, "de_DE-8") 91 || setlocale(LC_CTYPE, "fr_FR-8"); 92 if (strcmp(nl_langinfo(CODESET), "UTF-8")) { 93 errx(1, "ERROR: unable to set locale in BM_stdlib_mbrtowc"); 94 } 95 96 char* buf_aligned = GetAlignedPtr(&buf, buf_alignment, 500000); 97 size_t i, j, k, l; 98 l = 0; 99 for (i=0xc3; i<0xe0; i++) 100 for (j=0x80; j<0xc0; j++) 101 buf[l++] = i, buf[l++] = j; 102 for (i=0xe1; i<0xed; i++) 103 for (j=0x80; j<0xc0; j++) 104 for (k=0x80; k<0xc0; k++) 105 buf[l++] = i, buf[l++] = j, buf[l++] = k; 106 for (i=0xf1; i<0xf4; i++) 107 for (j=0x80; j<0xc0; j++) 108 for (k=0x80; k<0xc0; k++) 109 buf[l++] = i, buf[l++] = j, buf[l++] = 0x80, buf[l++] = k; 110 buf[l++] = 0; 111 112 wchar_t wc = 0; 113 while (state.KeepRunning()) { 114 for (j = 0; buf_aligned[j]; j+=mbrtowc(&wc, buf_aligned + j, 4, NULL)) { 115 } 116 } 117 118 state.SetBytesProcessed(uint64_t(state.iterations()) * uint64_t(500000)); 119 } 120 BIONIC_BENCHMARK_WITH_ARG(BM_stdlib_mbrtowc, "0"); 121 122 void BM_stdlib_atoi(benchmark::State& state) { 123 while (state.KeepRunning()) { 124 benchmark::DoNotOptimize(atoi(" -123")); 125 } 126 } 127 BIONIC_BENCHMARK(BM_stdlib_atoi); 128 129 void BM_stdlib_atol(benchmark::State& state) { 130 while (state.KeepRunning()) { 131 benchmark::DoNotOptimize(atol(" -123")); 132 } 133 } 134 BIONIC_BENCHMARK(BM_stdlib_atol); 135 136 void BM_stdlib_strtol(benchmark::State& state) { 137 while (state.KeepRunning()) { 138 benchmark::DoNotOptimize(strtol(" -123", nullptr, 0)); 139 } 140 } 141 BIONIC_BENCHMARK(BM_stdlib_strtol); 142 143 void BM_stdlib_strtoll(benchmark::State& state) { 144 while (state.KeepRunning()) { 145 benchmark::DoNotOptimize(strtoll(" -123", nullptr, 0)); 146 } 147 } 148 BIONIC_BENCHMARK(BM_stdlib_strtoll); 149 150 void BM_stdlib_strtoul(benchmark::State& state) { 151 while (state.KeepRunning()) { 152 benchmark::DoNotOptimize(strtoul(" -123", nullptr, 0)); 153 } 154 } 155 BIONIC_BENCHMARK(BM_stdlib_strtoul); 156 157 void BM_stdlib_strtoull(benchmark::State& state) { 158 while (state.KeepRunning()) { 159 benchmark::DoNotOptimize(strtoull(" -123", nullptr, 0)); 160 } 161 } 162 BIONIC_BENCHMARK(BM_stdlib_strtoull); 163
