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#include <benchmark/benchmark.h>
#include <iostream>
#include "simdjson.h"
using namespace simdjson;
using namespace benchmark;
using namespace std;
const padded_string EMPTY_ARRAY("[]", 2);
const char *TWITTER_JSON = SIMDJSON_BENCHMARK_DATA_DIR "twitter.json";
const char *GSOC_JSON = SIMDJSON_BENCHMARK_DATA_DIR "gsoc-2018.json";
static void fast_minify_twitter(State& state) {
dom::parser parser;
padded_string docdata;
auto error = padded_string::load(TWITTER_JSON).get(docdata);
if(error) {
cerr << "could not parse twitter.json" << error << endl;
return;
}
std::unique_ptr<char[]> buffer{new char[docdata.size()]};
size_t bytes = 0;
for (simdjson_unused auto _ : state) {
size_t new_length{}; // It will receive the minified length.
auto error = simdjson::minify(docdata.data(), docdata.size(), buffer.get(), new_length);
bytes += docdata.size();
benchmark::DoNotOptimize(error);
}
// Gigabyte: https://en.wikipedia.org/wiki/Gigabyte
state.counters["Gigabytes"] = benchmark::Counter(
double(bytes), benchmark::Counter::kIsRate,
benchmark::Counter::OneK::kIs1000); // For GiB : kIs1024
state.counters["docs"] = Counter(double(state.iterations()), benchmark::Counter::kIsRate);
}
BENCHMARK(fast_minify_twitter)->Repetitions(10)->ComputeStatistics("max", [](const std::vector<double>& v) -> double {
return *(std::max_element(std::begin(v), std::end(v)));
})->DisplayAggregatesOnly(true);
static void fast_minify_gsoc(State& state) {
dom::parser parser;
padded_string docdata;
auto error = padded_string::load(GSOC_JSON).get(docdata);
if(error) {
cerr << "could not parse gsoc-2018.json" << error << endl;
return;
}
std::unique_ptr<char[]> buffer{new char[docdata.size()]};
size_t bytes = 0;
for (simdjson_unused auto _ : state) {
size_t new_length{}; // It will receive the minified length.
auto error = simdjson::minify(docdata.data(), docdata.size(), buffer.get(), new_length);
bytes += docdata.size();
benchmark::DoNotOptimize(error);
}
// Gigabyte: https://en.wikipedia.org/wiki/Gigabyte
state.counters["Gigabytes"] = benchmark::Counter(
double(bytes), benchmark::Counter::kIsRate,
benchmark::Counter::OneK::kIs1000); // For GiB : kIs1024
state.counters["docs"] = Counter(double(state.iterations()), benchmark::Counter::kIsRate);
}
BENCHMARK(fast_minify_gsoc)->Repetitions(10)->ComputeStatistics("max", [](const std::vector<double>& v) -> double {
return *(std::max_element(std::begin(v), std::end(v)));
})->DisplayAggregatesOnly(true);
static void unicode_validate_twitter(State& state) {
dom::parser parser;
padded_string docdata;
auto error = padded_string::load(TWITTER_JSON).get(docdata);
if(error) {
cerr << "could not parse twitter.json" << error << endl;
return;
}
// we do not want mem. alloc. in the loop.
error = parser.allocate(docdata.size());
if(error) {
cout << error << endl;
return;
}
size_t bytes = 0;
for (simdjson_unused auto _ : state) {
bool is_ok = simdjson::validate_utf8(docdata.data(), docdata.size());
bytes += docdata.size();
benchmark::DoNotOptimize(is_ok);
}
// Gigabyte: https://en.wikipedia.org/wiki/Gigabyte
state.counters["Gigabytes"] = benchmark::Counter(
double(bytes), benchmark::Counter::kIsRate,
benchmark::Counter::OneK::kIs1000); // For GiB : kIs1024
state.counters["docs"] = Counter(double(state.iterations()), benchmark::Counter::kIsRate);
}
BENCHMARK(unicode_validate_twitter)->Repetitions(10)->ComputeStatistics("max", [](const std::vector<double>& v) -> double {
return *(std::max_element(std::begin(v), std::end(v)));
})->DisplayAggregatesOnly(true);
static void parse_twitter(State& state) {
dom::parser parser;
padded_string docdata;
auto error = padded_string::load(TWITTER_JSON).get(docdata);
if(error) {
cerr << "could not parse twitter.json" << error << endl;
return;
}
// we do not want mem. alloc. in the loop.
error = parser.allocate(docdata.size());
if(error) {
cout << error << endl;
return;
}
size_t bytes = 0;
for (simdjson_unused auto _ : state) {
dom::element doc;
bytes += docdata.size();
if ((error = parser.parse(docdata).get(doc))) {
cerr << "could not parse twitter.json" << error << endl;
return;
}
benchmark::DoNotOptimize(doc);
}
// Gigabyte: https://en.wikipedia.org/wiki/Gigabyte
state.counters["Gigabytes"] = benchmark::Counter(
double(bytes), benchmark::Counter::kIsRate,
benchmark::Counter::OneK::kIs1000); // For GiB : kIs1024
state.counters["docs"] = Counter(double(state.iterations()), benchmark::Counter::kIsRate);
}
BENCHMARK(parse_twitter)->Repetitions(10)->ComputeStatistics("max", [](const std::vector<double>& v) -> double {
return *(std::max_element(std::begin(v), std::end(v)));
})->DisplayAggregatesOnly(true);
static void parse_gsoc(State& state) {
dom::parser parser;
padded_string docdata;
auto error = padded_string::load(GSOC_JSON).get(docdata);
if(error) {
cerr << "could not parse gsoc-2018.json" << error << endl;
return;
}
// we do not want mem. alloc. in the loop.
error = parser.allocate(docdata.size());
if(error) {
cout << error << endl;
return;
}
size_t bytes = 0;
for (simdjson_unused auto _ : state) {
bytes += docdata.size();
dom::element doc;
if ((error = parser.parse(docdata).get(doc))) {
cerr << "could not parse gsoc-2018.json" << error << endl;
return;
}
benchmark::DoNotOptimize(doc);
}
// Gigabyte: https://en.wikipedia.org/wiki/Gigabyte
state.counters["Gigabytes"] = benchmark::Counter(
double(bytes), benchmark::Counter::kIsRate,
benchmark::Counter::OneK::kIs1000); // For GiB : kIs1024
state.counters["docs"] = Counter(double(state.iterations()), benchmark::Counter::kIsRate);
}
BENCHMARK(parse_gsoc)->Repetitions(10)->ComputeStatistics("max", [](const std::vector<double>& v) -> double {
return *(std::max_element(std::begin(v), std::end(v)));
})->DisplayAggregatesOnly(true);
static void parser_parse_error_code(State& state) {
dom::parser parser;
if (parser.allocate(EMPTY_ARRAY.length())) { return; }
for (simdjson_unused auto _ : state) {
auto error = parser.parse(EMPTY_ARRAY).error();
if (error) { return; }
}
}
BENCHMARK(parser_parse_error_code);
#if SIMDJSON_EXCEPTIONS
static void parser_parse_exception(State& state) {
dom::parser parser;
if (parser.allocate(EMPTY_ARRAY.length())) { return; }
for (simdjson_unused auto _ : state) {
try {
simdjson_unused dom::element doc = parser.parse(EMPTY_ARRAY);
} catch(simdjson_error &j) {
cout << j.what() << endl;
return;
}
}
}
BENCHMARK(parser_parse_exception);
#endif // SIMDJSON_EXCEPTIONS
static void document_parse_error_code(State& state) {
for (simdjson_unused auto _ : state) {
dom::parser parser;
auto error = parser.parse(EMPTY_ARRAY).error();
if (error) { return; }
}
}
BENCHMARK(document_parse_error_code);
#if SIMDJSON_EXCEPTIONS
static void document_parse_exception(State& state) {
for (simdjson_unused auto _ : state) {
try {
dom::parser parser;
simdjson_unused dom::element doc = parser.parse(EMPTY_ARRAY);
} catch(simdjson_error &j) {
cout << j.what() << endl;
return;
}
}
}
BENCHMARK(document_parse_exception);
#endif // SIMDJSON_EXCEPTIONS
BENCHMARK_MAIN();
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