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#include <benchmark/benchmark.h>
#include <frozen/set.h>
#include <frozen/string.h>
#include <set>
#include <array>
#include <string>
#include <algorithm>
static constexpr frozen::set<frozen::string, 32> Keywords{
"auto", "break", "case", "char", "const", "continue",
"default", "do", "double", "else", "enum", "extern",
"float", "for", "goto", "if", "int", "long",
"register", "return", "short", "signed", "sizeof", "static",
"struct", "switch", "typedef", "union", "unsigned", "void",
"volatile", "while"};
static auto const* volatile Some = &Keywords;
static void BM_StrInFzSet(benchmark::State& state) {
for (auto _ : state) {
for(auto kw : *Some) {
volatile bool status = Keywords.count(kw);
benchmark::DoNotOptimize(status);
}
}
}
BENCHMARK(BM_StrInFzSet);
static const std::set<frozen::string> Keywords_(Keywords.begin(), Keywords.end());
static void BM_StrInStdSet(benchmark::State& state) {
for (auto _ : state) {
for(auto kw : *Some) {
volatile bool status = Keywords_.count(kw);
benchmark::DoNotOptimize(status);
}
}
}
BENCHMARK(BM_StrInStdSet);
static const std::array<frozen::string, 32> Keywords__{
"auto", "break", "case", "char", "const", "continue",
"default", "do", "double", "else", "enum", "extern",
"float", "for", "goto", "if", "int", "long",
"register", "return", "short", "signed", "sizeof", "static",
"struct", "switch", "typedef", "union", "unsigned", "void",
"volatile", "while"};
static void BM_StrInStdArray(benchmark::State& state) {
for (auto _ : state) {
for(auto kw : *Some) {
volatile bool status = std::find(Keywords__.begin(), Keywords__.end(), kw) != Keywords__.end();
benchmark::DoNotOptimize(status);
}
}
}
BENCHMARK(BM_StrInStdArray);
static const frozen::string SomeStrings[32] = {
"auto0", "break0", "case0", "char0", "const0", "continue0",
"default0", "do0", "double0", "else0", "enum0", "extern0",
"float0", "for0", "goto0", "if0", "int0", "long0",
"register0", "return0", "short0", "signed0", "sizeof0", "static0",
"struct0", "switch0", "typedef0", "union0", "unsigned0", "void0",
"volatile0", "while0"};
static auto const * volatile SomeStringsPtr = &SomeStrings;
static void BM_StrNotInFzSet(benchmark::State& state) {
for (auto _ : state) {
for(auto kw : *SomeStringsPtr) {
volatile bool status = Keywords.count(kw);
benchmark::DoNotOptimize(status);
}
}
}
BENCHMARK(BM_StrNotInFzSet);
static void BM_StrNotInStdSet(benchmark::State& state) {
for (auto _ : state) {
for(auto kw : *SomeStringsPtr) {
volatile bool status = Keywords_.count(kw);
benchmark::DoNotOptimize(status);
}
}
}
BENCHMARK(BM_StrNotInStdSet);
static void BM_StrNotInStdArray(benchmark::State& state) {
for (auto _ : state) {
for(auto kw : *SomeStringsPtr) {
volatile bool status = std::find(Keywords__.begin(), Keywords__.end(), kw) != Keywords__.end();
benchmark::DoNotOptimize(status);
}
}
}
BENCHMARK(BM_StrNotInStdArray);
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