Improve map matching benchmark (#6885)

Author: SiarheiFedartsou

src/benchmarks/match.cpp

@@ -11,14 +11,14 @@
 #include "osrm/status.hpp"
 
 #include <boost/assert.hpp>
-
+#include <cstdlib>
 #include <exception>
 #include <iostream>
+#include <optional>
+#include <stdexcept>
 #include <string>
 #include <utility>
 
-#include <cstdlib>
-
 int main(int argc, const char *argv[])
 try
 {
@@ -214,29 +214,54 @@ try
     params.coordinates.push_back(
         FloatCoordinate{FloatLongitude{7.415342330932617}, FloatLatitude{43.733251335381205}});
 
-    TIMER_START(routes);
-    auto NUM = 100;
-    for (int i = 0; i < NUM; ++i)
+    auto run_benchmark = [&](std::optional<double> radiusInMeters)
     {
-        engine::api::ResultT result = json::Object();
-        const auto rc = osrm.Match(params, result);
-        auto &json_result = result.get<json::Object>();
-        if (rc != Status::Ok ||
-            json_result.values.at("matchings").get<json::Array>().values.size() != 1)
+        params.radiuses = {};
+        if (radiusInMeters)
+        {
+            for (size_t index = 0; index < params.coordinates.size(); ++index)
+            {
+                params.radiuses.emplace_back(*radiusInMeters);
+            }
+        }
+
+        TIMER_START(routes);
+        auto NUM = 100;
+        for (int i = 0; i < NUM; ++i)
         {
-            return EXIT_FAILURE;
+            engine::api::ResultT result = json::Object();
+            const auto rc = osrm.Match(params, result);
+            auto &json_result = result.get<json::Object>();
+            if (rc != Status::Ok ||
+                json_result.values.at("matchings").get<json::Array>().values.size() != 1)
+            {
+                throw std::runtime_error{"Couldn't match"};
+            }
         }
+        TIMER_STOP(routes);
+        if (radiusInMeters)
+        {
+            std::cout << "Radius " << *radiusInMeters << "m: " << std::endl;
+        }
+        else
+        {
+            std::cout << "Default radius: " << std::endl;
+        }
+        std::cout << (TIMER_MSEC(routes) / NUM) << "ms/req at " << params.coordinates.size()
+                  << " coordinate" << std::endl;
+        std::cout << (TIMER_MSEC(routes) / NUM / params.coordinates.size()) << "ms/coordinate"
+                  << std::endl;
+    };
+
+    for (auto radius : std::vector<std::optional<double>>{std::nullopt, 5.0, 10.0, 15.0, 30.0})
+    {
+        run_benchmark(radius);
     }
-    TIMER_STOP(routes);
-    std::cout << (TIMER_MSEC(routes) / NUM) << "ms/req at " << params.coordinates.size()
-              << " coordinate" << std::endl;
-    std::cout << (TIMER_MSEC(routes) / NUM / params.coordinates.size()) << "ms/coordinate"
-              << std::endl;
 
     return EXIT_SUCCESS;
 }
 catch (const std::exception &e)
 {
     std::cerr << "Error: " << e.what() << std::endl;
     return EXIT_FAILURE;
-}
+}