benchmark/parse/filter.benchmark.cpp


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#include <benchmark/benchmark.h>

#include <mbgl/style/filter.hpp>
#include <mbgl/style/conversion.hpp>
#include <mbgl/style/conversion/json.hpp>
#include <mbgl/style/conversion/filter.hpp>
#include <mbgl/tile/geometry_tile_data.hpp>
#include <mbgl/benchmark/stub_geometry_tile_feature.hpp>

using namespace mbgl;

style::Filter parse(const char* expression) {
    style::conversion::Error error;
    return *style::conversion::convertJSON<style::Filter>(expression, error);
}

static void Parse_Filter(benchmark::State& state) {
    while (state.KeepRunning()) {
        parse(R"FILTER(["==", "foo", "bar"])FILTER");
    }
}

static void Parse_EvaluateFilter(benchmark::State& state) {
    const style::Filter filter = parse(R"FILTER(["==", "foo", "bar"])FILTER");
    const StubGeometryTileFeature feature = { {}, FeatureType::Unknown , {},  {{ "foo", std::string("bar") }} };
    const style::expression::EvaluationContext context = { &feature };

    while (state.KeepRunning()) {
        filter(context);
    }
}

BENCHMARK(Parse_Filter);
BENCHMARK(Parse_EvaluateFilter);