120 lines
3.6 KiB
C++
120 lines
3.6 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <err.h>
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#include <langinfo.h>
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#include <locale.h>
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#include <stdlib.h>
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#include <benchmark/benchmark.h>
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#include "util.h"
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static void BM_stdlib_malloc_free(benchmark::State& state) {
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const size_t nbytes = state.range(0);
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void* c;
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while (state.KeepRunning()) {
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c = malloc(nbytes);
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free(c);
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}
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state.SetBytesProcessed(uint64_t(state.iterations()) * uint64_t(nbytes));
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}
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BIONIC_BENCHMARK(BM_stdlib_malloc_free);
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static void BM_stdlib_mbstowcs(benchmark::State& state) {
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const size_t buf_alignment = state.range(0);
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const size_t widebuf_alignment = state.range(1);
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std::vector<char> buf;
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std::vector<wchar_t> widebuf;
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setlocale(LC_CTYPE, "C.UTF-8")
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|| setlocale(LC_CTYPE, "en_US.UTF-8")
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|| setlocale(LC_CTYPE, "en_GB.UTF-8")
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|| setlocale(LC_CTYPE, "en.UTF-8")
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|| setlocale(LC_CTYPE, "de_DE-8")
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|| setlocale(LC_CTYPE, "fr_FR-8");
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if (strcmp(nl_langinfo(CODESET), "UTF-8")) {
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errx(1, "ERROR: unable to set locale in BM_stdlib_mbstowcs");
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}
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char* buf_aligned = GetAlignedPtr(&buf, buf_alignment, 500000);
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wchar_t* widebuf_aligned = GetAlignedPtr(&widebuf, widebuf_alignment, 500000);
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size_t i, j, k, l;
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l = 0;
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for (i=0xc3; i<0xe0; i++)
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for (j=0x80; j<0xc0; j++)
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buf[l++] = i, buf[l++] = j;
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for (i=0xe1; i<0xed; i++)
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for (j=0x80; j<0xc0; j++)
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for (k=0x80; k<0xc0; k++)
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buf[l++] = i, buf[l++] = j, buf[l++] = k;
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for (i=0xf1; i<0xf4; i++)
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for (j=0x80; j<0xc0; j++)
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for (k=0x80; k<0xc0; k++)
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buf[l++] = i, buf[l++] = j, buf[l++] = 0x80, buf[l++] = k;
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buf[l++] = 0;
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volatile size_t c __attribute__((unused)) = 0;
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while (state.KeepRunning()) {
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c = mbstowcs(widebuf_aligned, buf_aligned, 500000);
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}
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state.SetBytesProcessed(uint64_t(state.iterations()) * uint64_t(500000));
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}
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BIONIC_BENCHMARK(BM_stdlib_mbstowcs);
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static void BM_stdlib_mbrtowc(benchmark::State& state) {
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const size_t buf_alignment = state.range(0);
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std::vector<char> buf;
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setlocale(LC_CTYPE, "C.UTF-8")
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|| setlocale(LC_CTYPE, "en_US.UTF-8")
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|| setlocale(LC_CTYPE, "en_GB.UTF-8")
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|| setlocale(LC_CTYPE, "en.UTF-8")
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|| setlocale(LC_CTYPE, "de_DE-8")
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|| setlocale(LC_CTYPE, "fr_FR-8");
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if (strcmp(nl_langinfo(CODESET), "UTF-8")) {
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errx(1, "ERROR: unable to set locale in BM_stdlib_mbrtowc");
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}
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char* buf_aligned = GetAlignedPtr(&buf, buf_alignment, 500000);
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size_t i, j, k, l;
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l = 0;
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for (i=0xc3; i<0xe0; i++)
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for (j=0x80; j<0xc0; j++)
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buf[l++] = i, buf[l++] = j;
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for (i=0xe1; i<0xed; i++)
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for (j=0x80; j<0xc0; j++)
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for (k=0x80; k<0xc0; k++)
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buf[l++] = i, buf[l++] = j, buf[l++] = k;
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for (i=0xf1; i<0xf4; i++)
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for (j=0x80; j<0xc0; j++)
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for (k=0x80; k<0xc0; k++)
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buf[l++] = i, buf[l++] = j, buf[l++] = 0x80, buf[l++] = k;
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buf[l++] = 0;
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wchar_t wc = 0;
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while (state.KeepRunning()) {
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for (j = 0; buf_aligned[j]; j+=mbrtowc(&wc, buf_aligned + j, 4, NULL)) {
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}
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}
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state.SetBytesProcessed(uint64_t(state.iterations()) * uint64_t(500000));
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}
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BIONIC_BENCHMARK(BM_stdlib_mbrtowc);
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