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78 lines
2.2 KiB
78 lines
2.2 KiB
#include "benchmark/benchmark.h"
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#include <cassert>
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#include <iostream>
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#include <set>
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#include <vector>
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class ArgsProductFixture : public ::benchmark::Fixture {
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public:
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ArgsProductFixture()
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: expectedValues({{0, 100, 2000, 30000},
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{1, 15, 3, 8},
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{1, 15, 3, 9},
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{1, 15, 7, 8},
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{1, 15, 7, 9},
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{1, 15, 10, 8},
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{1, 15, 10, 9},
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{2, 15, 3, 8},
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{2, 15, 3, 9},
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{2, 15, 7, 8},
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{2, 15, 7, 9},
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{2, 15, 10, 8},
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{2, 15, 10, 9},
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{4, 5, 6, 11}}) {}
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void SetUp(const ::benchmark::State& state) {
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std::vector<int64_t> ranges = {state.range(0), state.range(1),
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state.range(2), state.range(3)};
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assert(expectedValues.find(ranges) != expectedValues.end());
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actualValues.insert(ranges);
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}
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// NOTE: This is not TearDown as we want to check after _all_ runs are
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// complete.
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virtual ~ArgsProductFixture() {
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if (actualValues != expectedValues) {
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std::cout << "EXPECTED\n";
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for (auto v : expectedValues) {
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std::cout << "{";
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for (int64_t iv : v) {
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std::cout << iv << ", ";
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}
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std::cout << "}\n";
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}
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std::cout << "ACTUAL\n";
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for (auto v : actualValues) {
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std::cout << "{";
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for (int64_t iv : v) {
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std::cout << iv << ", ";
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}
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std::cout << "}\n";
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}
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}
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}
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std::set<std::vector<int64_t>> expectedValues;
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std::set<std::vector<int64_t>> actualValues;
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};
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BENCHMARK_DEFINE_F(ArgsProductFixture, Empty)(benchmark::State& state) {
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for (auto _ : state) {
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int64_t product =
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state.range(0) * state.range(1) * state.range(2) * state.range(3);
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for (int64_t x = 0; x < product; x++) {
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benchmark::DoNotOptimize(x);
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}
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}
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}
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BENCHMARK_REGISTER_F(ArgsProductFixture, Empty)
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->Args({0, 100, 2000, 30000})
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->ArgsProduct({{1, 2}, {15}, {3, 7, 10}, {8, 9}})
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->Args({4, 5, 6, 11});
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BENCHMARK_MAIN();
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