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48 lines
1.3 KiB
48 lines
1.3 KiB
#include <benchmark/benchmark.h>
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#include <fxdiv.h>
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static void fxdiv_quotient_uint32_t(benchmark::State& state) {
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const fxdiv_divisor_uint32_t divisor = fxdiv_init_uint32_t(UINT32_C(65537));
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uint32_t x = 0;
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while (state.KeepRunning()) {
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uint32_t quotient = fxdiv_quotient_uint32_t(x++, divisor);
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benchmark::DoNotOptimize(quotient);
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}
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}
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BENCHMARK(fxdiv_quotient_uint32_t);
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static void fxdiv_quotient_uint64_t(benchmark::State& state) {
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const fxdiv_divisor_uint64_t divisor = fxdiv_init_uint64_t(UINT64_C(4294967311));
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uint64_t x = 0;
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while (state.KeepRunning()) {
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uint64_t quotient = fxdiv_quotient_uint64_t(x++, divisor);
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benchmark::DoNotOptimize(quotient);
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}
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}
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BENCHMARK(fxdiv_quotient_uint64_t);
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static void native_quotient_uint32_t(benchmark::State& state) {
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uint32_t divisor = UINT32_C(65537);
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benchmark::DoNotOptimize(&divisor);
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uint32_t x = UINT32_MAX;
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while (state.KeepRunning()) {
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uint32_t quotient = x-- / divisor;
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benchmark::DoNotOptimize(quotient);
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}
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}
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BENCHMARK(native_quotient_uint32_t);
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static void native_quotient_uint64_t(benchmark::State& state) {
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uint64_t divisor = UINT64_C(4294967311);
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benchmark::DoNotOptimize(&divisor);
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uint64_t x = UINT64_MAX;
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while (state.KeepRunning()) {
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const uint64_t quotient = x-- / divisor;
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benchmark::DoNotOptimize(quotient);
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}
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}
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BENCHMARK(native_quotient_uint64_t);
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BENCHMARK_MAIN();
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