87 lines
2.7 KiB
C++
87 lines
2.7 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 <vector>
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#include <random>
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namespace kostya {
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using namespace json_benchmark;
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static const simdjson::padded_string &get_built_json_array();
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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 void append_coordinate(std::default_random_engine &e, std::uniform_real_distribution<> &dis, std::stringstream &myss) {
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using std::endl;
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myss << R"( {)" << endl;
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myss << R"( "x": )" << dis(e) << "," << endl;
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myss << R"( "y": )" << dis(e) << "," << endl;
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myss << R"( "z": )" << dis(e) << "," << endl;
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myss << R"( "name": ")" << char('a'+dis(e)*25) << char('a'+dis(e)*25) << char('a'+dis(e)*25) << char('a'+dis(e)*25) << char('a'+dis(e)*25) << char('a'+dis(e)*25) << " " << int(dis(e)*10000) << "\"," << endl;
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myss << R"( "opts": {)" << endl;
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myss << R"( "1": [)" << endl;
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myss << R"( 1,)" << endl;
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myss << R"( true)" << endl;
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myss << R"( ])" << endl;
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myss << R"( })" << endl;
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myss << R"( })";
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}
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static std::string build_json_array(size_t N) {
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using namespace std;
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default_random_engine e;
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uniform_real_distribution<> dis(0, 1);
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stringstream myss;
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myss << R"({)" << endl;
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myss << R"( "coordinates": [)" << endl;
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for (size_t i=1; i<N; i++) {
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append_coordinate(e, dis, myss); myss << "," << endl;
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}
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append_coordinate(e, dis, myss); myss << endl;
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myss << R"( ],)" << endl;
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myss << R"( "info": "some info")" << endl;
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myss << R"(})" << endl;
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string answer = myss.str();
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cout << "Creating a source file spanning " << (answer.size() + 512) / 1024 << " KB " << 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(524288);
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return json;
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}
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struct simdjson_dom;
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template<typename I> simdjson_really_inline static void kostya(benchmark::State &state) {
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run_json_benchmark<runner<I>, runner<simdjson_dom>>(state);
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}
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} // namespace kostya
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