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Added Raw C++ benchmarks (#6924)

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This commit is contained in:
Derek Bailey
2021-11-15 15:19:03 -08:00
committed by GitHub
parent 0989fc5e59
commit 97a30171cb
5 changed files with 195 additions and 43 deletions
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95
benchmarks/cpp/benchmark_main.cpp
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@@ -3,20 +3,48 @@
#include "benchmarks/cpp/bench.h"
#include "benchmarks/cpp/flatbuffers/fb_bench.h"
#include "benchmarks/cpp/raw/raw_bench.h"
static inline void Encode(benchmark::State &state,
std::unique_ptr<Bench> &bench, uint8_t *buffer) {
int64_t length;
for (auto _ : state) {
bench->Encode(buffer, length);
benchmark::DoNotOptimize(length);
}
}
static inline void Decode(benchmark::State &state,
std::unique_ptr<Bench> &bench, uint8_t *buffer) {
int64_t length;
uint8_t *encoded = bench->Encode(buffer, length);
for (auto _ : state) {
void *decoded = bench->Decode(encoded, length);
benchmark::DoNotOptimize(decoded);
}
}
static inline void Use(benchmark::State &state, std::unique_ptr<Bench> &bench,
uint8_t *buffer, int64_t check_sum) {
int64_t length;
uint8_t *encoded = bench->Encode(buffer, length);
void *decoded = bench->Decode(encoded, length);
int64_t sum = 0;
for (auto _ : state) { sum = bench->Use(decoded); }
EXPECT_EQ(sum, check_sum);
}
static void BM_Flatbuffers_Encode(benchmark::State &state) {
const int64_t kBufferLength = 1024;
uint8_t buffer[kBufferLength];
int64_t length;
StaticAllocator allocator(&buffer[0]);
std::unique_ptr<Bench> bench = NewFlatBuffersBench(kBufferLength, &allocator);
for (auto _ : state) {
bench->Encode(buffer, length);
benchmark::DoNotOptimize(length);
}
Encode(state, bench, buffer);
}
BENCHMARK(BM_Flatbuffers_Encode);
@@ -24,17 +52,9 @@ static void BM_Flatbuffers_Decode(benchmark::State &state) {
const int64_t kBufferLength = 1024;
uint8_t buffer[kBufferLength];
int64_t length;
StaticAllocator allocator(&buffer[0]);
std::unique_ptr<Bench> bench = NewFlatBuffersBench(kBufferLength, &allocator);
uint8_t* encoded = bench->Encode(buffer, length);
for (auto _ : state) {
void* decoded = bench->Decode(encoded, length);
benchmark::DoNotOptimize(decoded);
}
Decode(state, bench, buffer);
}
BENCHMARK(BM_Flatbuffers_Decode);
@@ -42,20 +62,35 @@ static void BM_Flatbuffers_Use(benchmark::State &state) {
const int64_t kBufferLength = 1024;
uint8_t buffer[kBufferLength];
int64_t length;
StaticAllocator allocator(&buffer[0]);
std::unique_ptr<Bench> bench = NewFlatBuffersBench(kBufferLength, &allocator);
uint8_t* encoded = bench->Encode(buffer, length);
void* decoded = bench->Decode(encoded, length);
int64_t sum = 0;
for (auto _ : state) {
sum = bench->Use(decoded);
}
EXPECT_EQ(sum , 218812692406581874);
Use(state, bench, buffer, 218812692406581874);
}
BENCHMARK(BM_Flatbuffers_Use);
BENCHMARK(BM_Flatbuffers_Use);
static void BM_Raw_Encode(benchmark::State &state) {
const int64_t kBufferLength = 1024;
uint8_t buffer[kBufferLength];
std::unique_ptr<Bench> bench = NewRawBench();
Encode(state, bench, buffer);
}
BENCHMARK(BM_Raw_Encode);
static void BM_Raw_Decode(benchmark::State &state) {
const int64_t kBufferLength = 1024;
uint8_t buffer[kBufferLength];
std::unique_ptr<Bench> bench = NewRawBench();
Decode(state, bench, buffer);
}
BENCHMARK(BM_Raw_Decode);
static void BM_Raw_Use(benchmark::State &state) {
const int64_t kBufferLength = 1024;
uint8_t buffer[kBufferLength];
std::unique_ptr<Bench> bench = NewRawBench();
Use(state, bench, buffer, 218812692406581874);
}
BENCHMARK(BM_Raw_Use);