[build] add benchmark target

5 files changed, 177 insertions, 0 deletions

diff --git a/benchmark/benchmark.gypi b/benchmark/benchmark.gypi
new file mode 100644
index 0000000000..011ac16584
--- /dev/null
+++ b/benchmark/benchmark.gypi
@@ -0,0 +1,87 @@
+{
+  'targets': [
+    {
+      'target_name': 'benchmark-lib',
+      'type': 'static_library',
+      'standalone_static_library': 1,
+      'hard_dependency': 1,
+      'dependencies': [
+        'core',
+      ],
+
+      'include_dirs': [
+        '../include',
+        '../src',
+        '../platform/default',
+        'include',
+        'src',
+      ],
+
+      'sources': [
+        'parse/filter.cpp',
+
+
+        'src/mbgl/benchmark/benchmark.cpp'
+      ],
+
+      'variables': {
+        'cflags_cc': [
+          '<@(benchmark_cflags)',
+          '<@(rapidjson_cflags)',
+        ],
+        'ldflags': [
+          '<@(benchmark_ldflags)',
+        ],
+        'libraries': [
+          '<@(benchmark_static_libs)',
+        ],
+      },
+
+      'conditions': [
+        ['OS == "mac"', {
+          'xcode_settings': {
+            'OTHER_CPLUSPLUSFLAGS': [ '<@(cflags_cc)' ],
+          },
+        }, {
+         'cflags_cc': [ '<@(cflags_cc)' ],
+        }],
+      ],
+      'link_settings': {
+        'conditions': [
+          ['OS == "mac"', {
+            'libraries': [ '<@(libraries)' ],
+            'xcode_settings': { 'OTHER_LDFLAGS': [ '<@(ldflags)' ] }
+          }, {
+            'libraries': [ '<@(libraries)', '<@(ldflags)' ],
+          }]
+        ],
+      },
+
+      'direct_dependent_settings': {
+        'include_dirs': [
+          'include',
+        ],
+
+        # Force the linker to include all the objects from the lib-benchmark archive. Otherwise they'd
+        # be discarded because there are no undefined symbols to pull them in, and the resulting
+        # executable would run zero tests.
+
+        'conditions': [
+          ['OS == "mac"', {
+            'xcode_settings': {
+              'OTHER_LDFLAGS': [
+                '-Wl,-force_load,<(PRODUCT_DIR)/libbenchmark-lib.a',
+              ],
+            }
+          }, {
+            'link_settings': {
+              'ldflags': [
+                '-Wl,-whole-archive <(PRODUCT_DIR)/libbenchmark-lib.a -Wl,-no-whole-archive',
+              ],
+            },
+          }],
+        ],
+      },
+    },
+  ]
+}
diff --git a/benchmark/include/mbgl/benchmark.hpp b/benchmark/include/mbgl/benchmark.hpp
new file mode 100644
index 0000000000..1a9904de51
--- /dev/null
+++ b/benchmark/include/mbgl/benchmark.hpp
@@ -0,0 +1,7 @@
+#pragma once
+
+namespace mbgl {
+
+int runBenchmark(int argc, char* argv[]);
+
+} // namespace mbgl
diff --git a/benchmark/parse/filter.cpp b/benchmark/parse/filter.cpp
new file mode 100644
index 0000000000..9e47bcaca9
--- /dev/null
+++ b/benchmark/parse/filter.cpp
@@ -0,0 +1,65 @@
+#include <benchmark/benchmark.h>
+
+#include <mbgl/style/filter.hpp>
+#include <mbgl/style/filter_evaluator.hpp>
+#include <mbgl/style/parser.hpp>
+#include <mbgl/tile/geometry_tile.hpp>
+
+#include <rapidjson/document.h>
+
+#include <map>
+
+using namespace mbgl;
+
+typedef std::multimap<std::string, Value> Properties;
+
+class StubFeature : public GeometryTileFeature {
+public:
+    inline StubFeature(const Properties& properties_, FeatureType type_)
+        : properties(properties_), type(type_) {
+    }
+
+    optional<Value> getValue(const std::string& key) const override {
+        auto it = properties.find(key);
+        if (it == properties.end())
+            return optional<Value>();
+        return it->second;
+    }
+
+    FeatureType getType() const override {
+        return type;
+    }
+
+    GeometryCollection getGeometries() const override {
+        return GeometryCollection();
+    }
+
+private:
+    const Properties properties;
+    FeatureType type;
+};
+
+style::Filter parse(const char* expression) {
+    rapidjson::GenericDocument<rapidjson::UTF8<>, rapidjson::CrtAllocator> doc;
+    doc.Parse<0>(expression);
+    return style::parseFilter(doc);
+}
+
+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 Properties properties = { { "foo", std::string("bar") } };
+    const StubFeature feature(properties, FeatureType::Unknown);
+
+    while (state.KeepRunning()) {
+        style::Filter::visit(filter, style::FilterEvaluator{ feature });
+    }
+}
+
+BENCHMARK(Parse_Filter);
+BENCHMARK(Parse_EvaluateFilter);
diff --git a/benchmark/src/main.cpp b/benchmark/src/main.cpp
new file mode 100644
index 0000000000..afe785140f
--- /dev/null
+++ b/benchmark/src/main.cpp
@@ -0,0 +1,5 @@
+#include <mbgl/benchmark.hpp>
+
+int main(int argc, char* argv[]) {
+    return mbgl::runBenchmark(argc, argv);
+}
diff --git a/benchmark/src/mbgl/benchmark/benchmark.cpp b/benchmark/src/mbgl/benchmark/benchmark.cpp
new file mode 100644
index 0000000000..d408e7c5e1
--- /dev/null
+++ b/benchmark/src/mbgl/benchmark/benchmark.cpp
@@ -0,0 +1,13 @@
+#include <mbgl/benchmark.hpp>
+
+#include <benchmark/benchmark.h>
+
+namespace mbgl {
+
+int runBenchmark(int argc, char* argv[]) {
+    ::benchmark::Initialize(&argc, argv);
+    ::benchmark::RunSpecifiedBenchmarks();
+    return 0;
+}
+
+} // namespace mbgl