0f6aab9da6
git-subtree-dir: third_party/flatbuffers git-subtree-split: 595bf0007ab1929570c7671f091313c8fc20644e
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
#include "benchmarks/cpp/flatbuffers/fb_bench.h"
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#include <cstdint>
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#include <memory>
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#include "benchmarks/cpp/bench.h"
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#include "benchmarks/cpp/flatbuffers/bench_generated.h"
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#include "flatbuffers/flatbuffers.h"
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using namespace flatbuffers;
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using namespace benchmarks_flatbuffers;
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namespace {
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struct FlatBufferBench : Bench {
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explicit FlatBufferBench(int64_t initial_size, Allocator *allocator)
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: fbb(initial_size, allocator, false) {}
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uint8_t *Encode(void *, int64_t &len) override {
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fbb.Clear();
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const int kVectorLength = 3;
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Offset<FooBar> vec[kVectorLength];
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for (int i = 0; i < kVectorLength; ++i) {
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Foo foo(0xABADCAFEABADCAFE + i, 10000 + i, '@' + i, 1000000 + i);
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Bar bar(foo, 123456 + i, 3.14159f + i, 10000 + i);
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auto name = fbb.CreateString("Hello, World!");
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auto foobar =
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CreateFooBar(fbb, &bar, name, 3.1415432432445543543 + i, '!' + i);
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vec[i] = foobar;
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}
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auto location = fbb.CreateString("http://google.com/flatbuffers/");
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auto foobarvec = fbb.CreateVector(vec, kVectorLength);
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auto foobarcontainer =
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CreateFooBarContainer(fbb, foobarvec, true, Enum_Bananas, location);
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fbb.Finish(foobarcontainer);
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len = fbb.GetSize();
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return fbb.GetBufferPointer();
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}
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int64_t Use(void *decoded) override {
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sum = 0;
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auto foobarcontainer = GetFooBarContainer(decoded);
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sum = 0;
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Add(foobarcontainer->initialized());
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Add(foobarcontainer->location()->Length());
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Add(foobarcontainer->fruit());
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for (unsigned int i = 0; i < foobarcontainer->list()->Length(); i++) {
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auto foobar = foobarcontainer->list()->Get(i);
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Add(foobar->name()->Length());
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Add(foobar->postfix());
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Add(static_cast<int64_t>(foobar->rating()));
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auto bar = foobar->sibling();
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Add(static_cast<int64_t>(bar->ratio()));
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Add(bar->size());
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Add(bar->time());
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auto &foo = bar->parent();
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Add(foo.count());
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Add(foo.id());
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Add(foo.length());
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Add(foo.prefix());
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}
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return sum;
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}
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void *Decode(void *buffer, int64_t) override { return buffer; }
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void Dealloc(void *) override {};
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FlatBufferBuilder fbb;
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};
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} // namespace
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std::unique_ptr<Bench> NewFlatBuffersBench(int64_t initial_size,
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Allocator *allocator) {
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return std::unique_ptr<FlatBufferBench>(
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new FlatBufferBench(initial_size, allocator));
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}
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