| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <err.h> |
| #include <langinfo.h> |
| #include <locale.h> |
| #include <malloc.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| |
| #include <benchmark/benchmark.h> |
| #include "util.h" |
| |
| static void MallocFree(benchmark::State& state) { |
| const size_t nbytes = state.range(0); |
| int pagesize = getpagesize(); |
| |
| for (auto _ : state) { |
| void* ptr; |
| benchmark::DoNotOptimize(ptr = malloc(nbytes)); |
| MakeAllocationResident(ptr, nbytes, pagesize); |
| free(ptr); |
| } |
| |
| state.SetBytesProcessed(uint64_t(state.iterations()) * uint64_t(nbytes)); |
| } |
| |
| static void BM_stdlib_malloc_free_default(benchmark::State& state) { |
| #if defined(__BIONIC__) |
| // The default is expected to be a zero decay time. |
| mallopt(M_DECAY_TIME, 0); |
| #endif |
| |
| MallocFree(state); |
| } |
| BIONIC_BENCHMARK_WITH_ARG(BM_stdlib_malloc_free_default, "AT_COMMON_SIZES"); |
| |
| #if defined(__BIONIC__) |
| static void BM_stdlib_malloc_free_decay1(benchmark::State& state) { |
| mallopt(M_DECAY_TIME, 1); |
| |
| MallocFree(state); |
| |
| mallopt(M_DECAY_TIME, 0); |
| } |
| BIONIC_BENCHMARK_WITH_ARG(BM_stdlib_malloc_free_decay1, "AT_COMMON_SIZES"); |
| #endif |
| |
| static void CallocFree(benchmark::State& state) { |
| const size_t nbytes = state.range(0); |
| int pagesize = getpagesize(); |
| |
| for (auto _ : state) { |
| void* ptr; |
| benchmark::DoNotOptimize(ptr = calloc(1, nbytes)); |
| MakeAllocationResident(ptr, nbytes, pagesize); |
| free(ptr); |
| } |
| |
| state.SetBytesProcessed(uint64_t(state.iterations()) * uint64_t(nbytes)); |
| } |
| |
| static void BM_stdlib_calloc_free_default(benchmark::State& state) { |
| #if defined(__BIONIC__) |
| // The default is expected to be a zero decay time. |
| mallopt(M_DECAY_TIME, 0); |
| #endif |
| |
| CallocFree(state); |
| } |
| BIONIC_BENCHMARK_WITH_ARG(BM_stdlib_calloc_free_default, "AT_COMMON_SIZES"); |
| |
| #if defined(__BIONIC__) |
| static void BM_stdlib_calloc_free_decay1(benchmark::State& state) { |
| mallopt(M_DECAY_TIME, 1); |
| |
| CallocFree(state); |
| |
| mallopt(M_DECAY_TIME, 0); |
| } |
| BIONIC_BENCHMARK_WITH_ARG(BM_stdlib_calloc_free_decay1, "AT_COMMON_SIZES"); |
| #endif |
| |
| static void MallocMultiple(benchmark::State& state, size_t nbytes, size_t numAllocs) { |
| int pagesize = getpagesize(); |
| void* ptrs[numAllocs]; |
| for (auto _ : state) { |
| for (size_t i = 0; i < numAllocs; i++) { |
| benchmark::DoNotOptimize(ptrs[i] = reinterpret_cast<uint8_t*>(malloc(nbytes))); |
| MakeAllocationResident(ptrs[i], nbytes, pagesize); |
| } |
| state.PauseTiming(); // Stop timers while freeing pointers. |
| for (size_t i = 0; i < numAllocs; i++) { |
| free(ptrs[i]); |
| } |
| state.ResumeTiming(); |
| } |
| |
| state.SetBytesProcessed(uint64_t(state.iterations()) * uint64_t(nbytes) * numAllocs); |
| } |
| |
| void BM_stdlib_malloc_forty_default(benchmark::State& state) { |
| |
| #if defined(__BIONIC__) |
| // The default is expected to be a zero decay time. |
| mallopt(M_DECAY_TIME, 0); |
| #endif |
| |
| MallocMultiple(state, state.range(0), 40); |
| } |
| BIONIC_BENCHMARK_WITH_ARG(BM_stdlib_malloc_forty_default, "AT_COMMON_SIZES"); |
| |
| #if defined(__BIONIC__) |
| void BM_stdlib_malloc_forty_decay1(benchmark::State& state) { |
| mallopt(M_DECAY_TIME, 1); |
| |
| MallocMultiple(state, state.range(0), 40); |
| |
| mallopt(M_DECAY_TIME, 0); |
| } |
| BIONIC_BENCHMARK_WITH_ARG(BM_stdlib_malloc_forty_decay1, "AT_COMMON_SIZES"); |
| #endif |
| |
| void BM_stdlib_malloc_multiple_8192_allocs_default(benchmark::State& state) { |
| #if defined(__BIONIC__) |
| // The default is expected to be a zero decay time. |
| mallopt(M_DECAY_TIME, 0); |
| #endif |
| |
| MallocMultiple(state, 8192, state.range(0)); |
| } |
| BIONIC_BENCHMARK_WITH_ARG(BM_stdlib_malloc_multiple_8192_allocs_default, "AT_SMALL_SIZES"); |
| |
| #if defined(__BIONIC__) |
| void BM_stdlib_malloc_multiple_8192_allocs_decay1(benchmark::State& state) { |
| mallopt(M_DECAY_TIME, 1); |
| |
| MallocMultiple(state, 8192, state.range(0)); |
| |
| mallopt(M_DECAY_TIME, 0); |
| } |
| BIONIC_BENCHMARK_WITH_ARG(BM_stdlib_malloc_multiple_8192_allocs_decay1, "AT_SMALL_SIZES"); |
| #endif |
| |
| static void BM_stdlib_mbstowcs(benchmark::State& state) { |
| const size_t buf_alignment = state.range(0); |
| const size_t widebuf_alignment = state.range(1); |
| |
| std::vector<char> buf; |
| std::vector<wchar_t> widebuf; |
| |
| setlocale(LC_CTYPE, "C.UTF-8") |
| || setlocale(LC_CTYPE, "en_US.UTF-8") |
| || setlocale(LC_CTYPE, "en_GB.UTF-8") |
| || setlocale(LC_CTYPE, "en.UTF-8") |
| || setlocale(LC_CTYPE, "de_DE-8") |
| || setlocale(LC_CTYPE, "fr_FR-8"); |
| if (strcmp(nl_langinfo(CODESET), "UTF-8")) { |
| errx(1, "ERROR: unable to set locale in BM_stdlib_mbstowcs"); |
| } |
| |
| char* buf_aligned = GetAlignedPtr(&buf, buf_alignment, 500000); |
| wchar_t* widebuf_aligned = GetAlignedPtr(&widebuf, widebuf_alignment, 500000); |
| size_t i, j, k, l; |
| l = 0; |
| for (i=0xc3; i<0xe0; i++) |
| for (j=0x80; j<0xc0; j++) |
| buf[l++] = i, buf[l++] = j; |
| for (i=0xe1; i<0xed; i++) |
| for (j=0x80; j<0xc0; j++) |
| for (k=0x80; k<0xc0; k++) |
| buf[l++] = i, buf[l++] = j, buf[l++] = k; |
| for (i=0xf1; i<0xf4; i++) |
| for (j=0x80; j<0xc0; j++) |
| for (k=0x80; k<0xc0; k++) |
| buf[l++] = i, buf[l++] = j, buf[l++] = 0x80, buf[l++] = k; |
| buf[l++] = 0; |
| |
| for (auto _ : state) { |
| benchmark::DoNotOptimize(mbstowcs(widebuf_aligned, buf_aligned, 500000)); |
| } |
| |
| state.SetBytesProcessed(uint64_t(state.iterations()) * uint64_t(500000)); |
| } |
| BIONIC_BENCHMARK_WITH_ARG(BM_stdlib_mbstowcs, "0 0"); |
| |
| static void BM_stdlib_mbrtowc(benchmark::State& state) { |
| const size_t buf_alignment = state.range(0); |
| |
| std::vector<char> buf; |
| |
| setlocale(LC_CTYPE, "C.UTF-8") |
| || setlocale(LC_CTYPE, "en_US.UTF-8") |
| || setlocale(LC_CTYPE, "en_GB.UTF-8") |
| || setlocale(LC_CTYPE, "en.UTF-8") |
| || setlocale(LC_CTYPE, "de_DE-8") |
| || setlocale(LC_CTYPE, "fr_FR-8"); |
| if (strcmp(nl_langinfo(CODESET), "UTF-8")) { |
| errx(1, "ERROR: unable to set locale in BM_stdlib_mbrtowc"); |
| } |
| |
| char* buf_aligned = GetAlignedPtr(&buf, buf_alignment, 500000); |
| size_t i, j, k, l; |
| l = 0; |
| for (i=0xc3; i<0xe0; i++) |
| for (j=0x80; j<0xc0; j++) |
| buf[l++] = i, buf[l++] = j; |
| for (i=0xe1; i<0xed; i++) |
| for (j=0x80; j<0xc0; j++) |
| for (k=0x80; k<0xc0; k++) |
| buf[l++] = i, buf[l++] = j, buf[l++] = k; |
| for (i=0xf1; i<0xf4; i++) |
| for (j=0x80; j<0xc0; j++) |
| for (k=0x80; k<0xc0; k++) |
| buf[l++] = i, buf[l++] = j, buf[l++] = 0x80, buf[l++] = k; |
| buf[l++] = 0; |
| |
| wchar_t wc = 0; |
| for (auto _ : state) { |
| for (j = 0; buf_aligned[j]; j+=mbrtowc(&wc, buf_aligned + j, 4, nullptr)) { |
| } |
| } |
| |
| state.SetBytesProcessed(uint64_t(state.iterations()) * uint64_t(500000)); |
| } |
| BIONIC_BENCHMARK_WITH_ARG(BM_stdlib_mbrtowc, "0"); |
| |
| BIONIC_TRIVIAL_BENCHMARK(BM_stdlib_atoi, atoi(" -123")); |
| BIONIC_TRIVIAL_BENCHMARK(BM_stdlib_atol, atol(" -123")); |
| BIONIC_TRIVIAL_BENCHMARK(BM_stdlib_strtol, strtol(" -123", nullptr, 0)); |
| BIONIC_TRIVIAL_BENCHMARK(BM_stdlib_strtoll, strtoll(" -123", nullptr, 0)); |
| BIONIC_TRIVIAL_BENCHMARK(BM_stdlib_strtoul, strtoul(" -123", nullptr, 0)); |
| BIONIC_TRIVIAL_BENCHMARK(BM_stdlib_strtoull, strtoull(" -123", nullptr, 0)); |