74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
#pragma once
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#include "json_benchmark/string_runner.h"
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#include "json_benchmark/point.h"
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#include <random>
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namespace large_random {
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static const simdjson::padded_string &get_built_json_array();
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using namespace json_benchmark;
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simdjson_unused static std::ostream &operator<<(std::ostream &o, const point &p) {
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return o << p.x << "," << p.y << "," << p.z << std::endl;
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}
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template<typename I>
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struct runner : public string_runner<I> {
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std::vector<point> result;
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runner() : string_runner<I>(get_built_json_array()) {}
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bool before_run(benchmark::State &state) {
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if (!string_runner<I>::before_run(state)) { return false; }
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result.clear();
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return true;
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}
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bool run(benchmark::State &) {
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return this->implementation.run(this->json, result);
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}
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template<typename R>
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bool diff(benchmark::State &state, runner<R> &reference) {
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return diff_results(state, result, reference.result, I::DiffFlags);
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}
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size_t items_per_iteration() {
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return result.size();
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}
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};
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static std::string build_json_array(size_t N) {
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std::default_random_engine e;
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std::uniform_real_distribution<> dis(0, 1);
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std::stringstream myss;
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myss << "[" << std::endl;
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if(N > 0) {
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myss << "{ \"x\":" << dis(e) << ", \"y\":" << dis(e) << ", \"z\":" << dis(e) << "}" << std::endl;
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}
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for(size_t i = 1; i < N; i++) {
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myss << "," << std::endl;
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myss << "{ \"x\":" << dis(e) << ", \"y\":" << dis(e) << ", \"z\":" << dis(e) << "}";
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}
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myss << std::endl;
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myss << "]" << std::endl;
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std::string answer = myss.str();
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std::cout << "Creating a source file spanning " << (answer.size() + 512) / 1024 << " KB " << std::endl;
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return answer;
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}
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static const simdjson::padded_string &get_built_json_array() {
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static simdjson::padded_string json = build_json_array(1000000);
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return json;
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}
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struct simdjson_dom;
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template<typename T> static void large_random(benchmark::State &state) {
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run_json_benchmark<runner<T>, runner<simdjson_dom>>(state);
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}
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} // namespace large_random
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