Experiments with Node bindings optimisation

.github/workflows/osrm-backend.yml

@@ -653,7 +653,7 @@ jobs:
   benchmarks:
     if: github.event_name == 'pull_request'
     needs: [format-taginfo-docs]
-    runs-on: ubuntu-24.04
+    runs-on: self-hosted
     env:
       CCOMPILER: clang-16
       CXXCOMPILER: clang++-16
@@ -664,37 +664,17 @@ jobs:
       GITHUB_REPOSITORY: ${{ github.repository }}
       RUN_BIG_BENCHMARK: ${{ contains(github.event.pull_request.labels.*.name, 'Performance') }}
     steps: 
-      - name: Enable data.osm.pbf cache
-        if: ${{ ! env.RUN_BIG_BENCHMARK }}        
-        uses: actions/cache@v4
-        with:
-          path: ~/data.osm.pbf
-          key: v1-data-osm-pbf
-          restore-keys: |
-            v1-data-osm-pbf
-      - name: Enable compiler cache
-        uses: actions/cache@v4
-        with:
-          path: ~/.ccache
-          key: v1-ccache-benchmarks-${{ github.sha }}
-          restore-keys: |
-            v1-ccache-benchmarks-
-      - name: Enable Conan cache
-        uses: actions/cache@v4
-        with:
-          path: ~/.conan
-          key: v1-conan-benchmarks-${{ github.sha }}
-          restore-keys: |
-            v1-conan-benchmarks-
       - name: Checkout PR Branch
         uses: actions/checkout@v4
         with:
           ref: ${{ github.head_ref }}
           path: pr
-      - name: Install dependencies
+      - name: Activate virtualenv
-        run: | 
+        run: |
-          python3 -m pip install "conan<2.0.0" "requests==2.31.0" "numpy==1.26.4" --break-system-packages
+          python3 -m venv .venv
-          sudo apt-get update -y && sudo apt-get install ccache
+          source .venv/bin/activate
+          echo PATH=$PATH >> $GITHUB_ENV
+          pip install "conan<2.0.0" "requests==2.31.0" "numpy==1.26.4" 
       - name: Prepare data
         run: |
           if [ "$RUN_BIG_BENCHMARK" = "true" ]; then
@@ -722,50 +702,67 @@ jobs:
           path: base
       - name: Build Base Branch
         run: |
+          cd base
+          npm ci --ignore-scripts
+          cd ..
           mkdir base/build
           cd base/build
-          cmake -DENABLE_CONAN=ON -DCMAKE_BUILD_TYPE=Release ..
+          cmake -DENABLE_CONAN=ON -DCMAKE_BUILD_TYPE=Release -DENABLE_NODE_BINDINGS=ON ..
           make -j$(nproc)
           make -j$(nproc) benchmarks
           cd ..
           make -C test/data 
       - name: Build PR Branch
         run: |
+          cd pr
+          npm ci --ignore-scripts
+          cd ..
           mkdir -p pr/build
           cd pr/build
-          cmake -DENABLE_CONAN=ON -DCMAKE_BUILD_TYPE=Release ..
+          cmake -DENABLE_CONAN=ON -DCMAKE_BUILD_TYPE=Release -DENABLE_NODE_BINDINGS=ON ..
           make -j$(nproc) 
           make -j$(nproc) benchmarks
           cd ..
           make -C test/data 
       # we run benchmarks in tmpfs to avoid impact of disk IO
       - name: Create folder for tmpfs 
-        run: mkdir -p /opt/benchmarks
+        run: |
+          # if by any chance it was mounted before(e.g. due to previous job failed), unmount it
+          sudo umount ~/benchmarks | true
+          rm -rf ~/benchmarks 
+          mkdir -p ~/benchmarks
+      # see https://llvm.org/docs/Benchmarking.html
       - name: Run PR Benchmarks 
         run: |
-          sudo mount -t tmpfs -o size=4g none /opt/benchmarks
+          sudo cset shield -c 2-3 -k on
-          cp -rf pr/build /opt/benchmarks/build
+          sudo mount -t tmpfs -o size=4g none ~/benchmarks
-          mkdir -p /opt/benchmarks/test
+          cp -rf pr/build ~/benchmarks/build
-          cp -rf pr/test/data /opt/benchmarks/test/data
+          cp -rf pr/lib ~/benchmarks/lib
-          cp -rf pr/profiles /opt/benchmarks/profiles
+          mkdir -p ~/benchmarks/test
+          cp -rf pr/test/data ~/benchmarks/test/data
+          cp -rf pr/profiles ~/benchmarks/profiles
 
-          ./pr/scripts/ci/run_benchmarks.sh -f /opt/benchmarks -r $(pwd)/pr_results -s $(pwd)/pr -b /opt/benchmarks/build -o ~/data.osm.pbf -g ~/gps_traces.csv
+          sudo cset shield --exec -- ./pr/scripts/ci/run_benchmarks.sh -f ~/benchmarks -r $(pwd)/pr_results -s $(pwd)/pr -b ~/benchmarks/build -o ~/data.osm.pbf -g ~/gps_traces.csv
-          sudo umount /opt/benchmarks
+          sudo umount ~/benchmarks
+          sudo cset shield --reset
       - name: Run Base Benchmarks
         run: |
-          sudo mount -t tmpfs -o size=4g none /opt/benchmarks
+          sudo cset shield -c 2-3 -k on
-          cp -rf base/build /opt/benchmarks/build
+          sudo mount -t tmpfs -o size=4g none ~/benchmarks
-          mkdir -p /opt/benchmarks/test
+          cp -rf base/build ~/benchmarks/build
-          cp -rf base/test/data /opt/benchmarks/test/data
+          cp -rf base/lib ~/benchmarks/lib
-          cp -rf base/profiles /opt/benchmarks/profiles
+          mkdir -p ~/benchmarks/test
+          cp -rf base/test/data ~/benchmarks/test/data
+          cp -rf base/profiles ~/benchmarks/profiles
 
           # TODO: remove it when base branch will have this file at needed location
-          if [ ! -f /opt/benchmarks/test/data/portugal_to_korea.json ]; then
+          if [ ! -f ~/benchmarks/test/data/portugal_to_korea.json ]; then
-            cp base/src/benchmarks/portugal_to_korea.json /opt/benchmarks/test/data/portugal_to_korea.json
+            cp base/src/benchmarks/portugal_to_korea.json ~/benchmarks/test/data/portugal_to_korea.json
           fi
           # we intentionally use scripts from PR branch to be able to update them and see results in the same PR
-          ./pr/scripts/ci/run_benchmarks.sh -f /opt/benchmarks -r $(pwd)/base_results -s $(pwd)/pr -b /opt/benchmarks/build -o ~/data.osm.pbf -g ~/gps_traces.csv
+          sudo cset shield --exec -- cset shield --exec -- ./pr/scripts/ci/run_benchmarks.sh -f ~/benchmarks -r $(pwd)/base_results -s $(pwd)/pr -b ~/benchmarks/build -o ~/data.osm.pbf -g ~/gps_traces.csv
-          sudo umount /opt/benchmarks
+          sudo umount ~/benchmarks
+          sudo cset shield --reset
       - name: Post Benchmark Results
         run: |
           python3 pr/scripts/ci/post_benchmark_results.py base_results pr_results

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Unreleased
   - Changes from 5.27.1
     - Features
+      - ADDED: Route pedestrians over highway=platform [#6993](https://github.com/Project-OSRM/osrm-backend/pull/6993)
       - REMOVED: Remove all core-CH left-overs [#6920](https://github.com/Project-OSRM/osrm-backend/pull/6920)
       - ADDED: Add support for a keepalive_timeout flag. [#6674](https://github.com/Project-OSRM/osrm-backend/pull/6674)
       - ADDED: Add support for a default_radius flag. [#6575](https://github.com/Project-OSRM/osrm-backend/pull/6575)

features/foot/access.feature

@@ -26,7 +26,15 @@ Feature: Foot - Access tags on ways
             | motorway | no     |      |       |
             | motorway | no     | yes  | x     |
             | motorway | no     | no   |       |
-
+            | platform |        |      | x     |
+            | platform |        | yes  | x     |
+            | platform |        | no   |       |
+            | platform | yes    |      | x     |
+            | platform | yes    | yes  | x     |
+            | platform | yes    | no   |       |
+            | platform | no     |      |       |
+            | platform | no     | yes  | x     |
+            | platform | no     | no   |       |
 
     Scenario: Foot - Overwriting implied acccess on ways
         Then routability should be

include/nodejs/json_v8_renderer.hpp

@@ -11,57 +11,85 @@ namespace node_osrm
 
 struct V8Renderer
 {
-    explicit V8Renderer(const Napi::Env &env, Napi::Value &out) : env(env), out(out) {}
+    explicit V8Renderer(const Napi::Env &env) : env(env) {}
 
-    void operator()(const osrm::json::String &string) const
+    Napi::Value operator()(const osrm::json::String &string) const
     {
-        out = Napi::String::New(env, string.value);
+        return Napi::String::New(env, string.value);
     }
 
-    void operator()(const osrm::json::Number &number) const
+    Napi::Value operator()(const osrm::json::Number &number) const
     {
-        out = Napi::Number::New(env, number.value);
+        return Napi::Number::New(env, number.value);
     }
 
-    void operator()(const osrm::json::Object &object) const
+    Napi::Value operator()(const osrm::json::Object &object) const
     {
         Napi::Object obj = Napi::Object::New(env);
         for (const auto &keyValue : object.values)
         {
-            Napi::Value child;
+            obj.Set(keyValue.first, visit(*this, keyValue.second));
-            std::visit(V8Renderer(env, child), keyValue.second);
-            obj.Set(keyValue.first, child);
         }
-        out = obj;
+        return obj;
     }
 
-    void operator()(const osrm::json::Array &array) const
+    Napi::Value operator()(const osrm::json::Array &array) const
     {
         Napi::Array a = Napi::Array::New(env, array.values.size());
         for (auto i = 0u; i < array.values.size(); ++i)
         {
-            Napi::Value child;
+            a.Set(i, visit(*this, array.values[i]));
-            std::visit(V8Renderer(env, child), array.values[i]);
-            a.Set(i, child);
         }
-        out = a;
+        return a;
     }
 
-    void operator()(const osrm::json::True &) const { out = Napi::Boolean::New(env, true); }
+    Napi::Value operator()(const osrm::json::True &) const { return Napi::Boolean::New(env, true); }
 
-    void operator()(const osrm::json::False &) const { out = Napi::Boolean::New(env, false); }
+    Napi::Value operator()(const osrm::json::False &) const
+    {
+        return Napi::Boolean::New(env, false);
+    }
 
-    void operator()(const osrm::json::Null &) const { out = env.Null(); }
+    Napi::Value operator()(const osrm::json::Null &) const { return env.Null(); }
+
+  private:
+    Napi::Value visit(const V8Renderer &renderer, const osrm::json::Value &value) const
+    {
+        switch (value.index())
+        {
+        case 0:
+            return renderer(std::get<osrm::json::String>(value));
+            break;
+        case 1:
+            return renderer(std::get<osrm::json::Number>(value));
+            break;
+        case 2:
+            return renderer(std::get<osrm::json::Object>(value));
+            break;
+        case 3:
+            return renderer(std::get<osrm::json::Array>(value));
+            break;
+        case 4:
+            return renderer(std::get<osrm::json::True>(value));
+            break;
+        case 5:
+            return renderer(std::get<osrm::json::False>(value));
+            break;
+        case 6:
+            return renderer(std::get<osrm::json::Null>(value));
+            break;
+        }
+        return env.Null();
+    }
 
   private:
     const Napi::Env &env;
-    Napi::Value &out;
 };
 
 inline void renderToV8(const Napi::Env &env, Napi::Value &out, const osrm::json::Object &object)
 {
-    V8Renderer renderer(env, out);
+    V8Renderer renderer(env);
-    renderer(object);
+    out = renderer(object);
 }
 } // namespace node_osrm
 

include/util/meminfo.hpp

@@ -2,6 +2,7 @@
 #define MEMINFO_HPP
 
 #include "util/log.hpp"
+#include <cstddef>
 
 #ifndef _WIN32
 #include <sys/resource.h>
@@ -10,22 +11,31 @@
 namespace osrm::util
 {
 
-inline void DumpMemoryStats()
+inline size_t PeakRAMUsedInBytes()
 {
 #ifndef _WIN32
     rusage usage;
     getrusage(RUSAGE_SELF, &usage);
 #ifdef __linux__
     // Under linux, ru.maxrss is in kb
-    util::Log() << "RAM: peak bytes used: " << usage.ru_maxrss * 1024;
+    return usage.ru_maxrss * 1024;
 #else  // __linux__
     // Under BSD systems (OSX), it's in bytes
-    util::Log() << "RAM: peak bytes used: " << usage.ru_maxrss;
+    return usage.ru_maxrss;
 #endif // __linux__
+#else  // _WIN32
+    return 0;
+#endif // _WIN32
+}
+
+inline void DumpMemoryStats()
+{
+#ifndef _WIN32
+    util::Log() << "RAM: peak bytes used: " << PeakRAMUsedInBytes();
 #else  // _WIN32
     util::Log() << "RAM: peak bytes used: <not implemented on Windows>";
 #endif // _WIN32
 }
 } // namespace osrm::util
 
-#endif
+#endif

package-lock.json

@@ -10,7 +10,8 @@
       "hasInstallScript": true,
       "license": "BSD-2-Clause",
       "dependencies": {
-        "@mapbox/node-pre-gyp": "^1.0.11"
+        "@mapbox/node-pre-gyp": "^1.0.11",
+        "seedrandom": "^3.0.5"
       },
       "devDependencies": {
         "@babel/cli": "^7.18.10",
@@ -14652,6 +14653,11 @@
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
       "devOptional": true
     },
+    "node_modules/seedrandom": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/seedrandom/-/seedrandom-3.0.5.tgz",
+      "integrity": "sha512-8OwmbklUNzwezjGInmZ+2clQmExQPvomqjL7LFqOYqtmuxRgQYqOD3mHaU+MvZn5FLUeVxVfQjwLZW/n/JFuqg=="
+    },
     "node_modules/semver": {
       "version": "5.7.2",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",
@@ -30296,6 +30302,11 @@
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
       "devOptional": true
     },
+    "seedrandom": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/seedrandom/-/seedrandom-3.0.5.tgz",
+      "integrity": "sha512-8OwmbklUNzwezjGInmZ+2clQmExQPvomqjL7LFqOYqtmuxRgQYqOD3mHaU+MvZn5FLUeVxVfQjwLZW/n/JFuqg=="
+    },
     "semver": {
       "version": "5.7.2",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",

package.json

@@ -4,7 +4,8 @@
   "private": false,
   "description": "The Open Source Routing Machine is a high performance routing engine written in C++ designed to run on OpenStreetMap data.",
   "dependencies": {
-    "@mapbox/node-pre-gyp": "^1.0.11"
+    "@mapbox/node-pre-gyp": "^1.0.11",
+    "seedrandom": "^3.0.5"
   },
   "browserify": {
     "transform": [
@@ -57,6 +58,7 @@
     "jsonpath": "^1.1.1",
     "mkdirp": "^0.5.6",
     "node-addon-api": "^5.0.0",
+    "node-cmake": "^2.5.1",
     "node-timeout": "0.0.4",
     "polyline": "^0.2.0",
     "request": "^2.88.2",
@@ -64,12 +66,13 @@
     "tape": "^4.16.0",
     "turf": "^3.0.14",
     "uglify-js": "^3.17.0",
-    "xmlbuilder": "^4.2.1",
+    "xmlbuilder": "^4.2.1"
-    "node-cmake": "^2.5.1"
   },
   "main": "lib/index.js",
   "binary": {
-    "napi_versions": [8],
+    "napi_versions": [
+      8
+    ],
     "module_name": "node_osrm",
     "module_path": "./lib/binding_napi_v{napi_build_version}/",
     "host": "https://github.com",

profiles/foot.lua

@@ -90,6 +90,7 @@ function setup()
         path            = walking_speed,
         steps           = walking_speed,
         pedestrian      = walking_speed,
+        platform        = walking_speed,
         footway         = walking_speed,
         pier            = walking_speed,
       },

scripts/ci/bench.js

@@ -0,0 +1,211 @@
+const fs = require('fs');
+const path = require('path');
+const readline = require('readline');
+const seedrandom = require('seedrandom');
+
+
+let RNG;
+
+class GPSData {
+    constructor(gpsTracesFilePath) {
+        this.tracks = {};
+        this.coordinates = [];
+        this.trackIds = [];
+        this._loadGPSTraces(gpsTracesFilePath);
+    }
+
+    _loadGPSTraces(gpsTracesFilePath) {
+        const expandedPath = path.resolve(gpsTracesFilePath);
+        const data = fs.readFileSync(expandedPath, 'utf-8');
+        const lines = data.split('\n');
+        const headers = lines[0].split(',');
+
+        const latitudeIndex = headers.indexOf('Latitude');
+        const longitudeIndex = headers.indexOf('Longitude');
+        const trackIdIndex = headers.indexOf('TrackID');
+
+        for (let i = 1; i < lines.length; i++) {
+            if (lines[i].trim() === '') continue;
+            const row = lines[i].split(',');
+
+            const latitude = parseFloat(row[latitudeIndex]);
+            const longitude = parseFloat(row[longitudeIndex]);
+            const trackId = row[trackIdIndex];
+
+            const coord = [longitude, latitude];
+            this.coordinates.push(coord);
+
+            if (!this.tracks[trackId]) {
+                this.tracks[trackId] = [];
+            }
+            this.tracks[trackId].push(coord);
+        }
+
+        this.trackIds = Object.keys(this.tracks);
+    }
+
+    getRandomCoordinate() {
+        const randomIndex = Math.floor(RNG() * this.coordinates.length);
+        return this.coordinates[randomIndex];
+    }
+
+    getRandomTrack() {
+        const randomIndex = Math.floor(RNG() * this.trackIds.length);
+        const trackId = this.trackIds[randomIndex];
+        return this.tracks[trackId];
+    }
+};
+
+async function runOSRMMethod(osrm, method, coordinates) {
+    const time = await new Promise((resolve, reject) => {
+        const startTime = process.hrtime();
+        osrm[method]({coordinates}, (err, result) => {
+            if (err) {
+                if (['NoSegment', 'NoMatch', 'NoRoute', 'NoTrips'].includes(err.message)) {
+                    resolve(null);
+                } else {
+
+                reject(err);
+                }
+            } else {
+                const endTime = process.hrtime(startTime);
+                resolve(endTime[0] + endTime[1] / 1e9);
+            }
+        });
+    });
+    return time;
+}
+
+async function nearest(osrm, gpsData) {
+    const times = [];
+    for (let i = 0; i < 1000; i++) {
+        const coord = gpsData.getRandomCoordinate();
+        times.push(await runOSRMMethod(osrm, 'nearest', [coord]));
+    }
+    return times;
+}
+
+async function route(osrm, gpsData) {
+    const times = [];
+    for (let i = 0; i < 1000; i++) {
+        const from = gpsData.getRandomCoordinate();
+        const to = gpsData.getRandomCoordinate();
+
+        
+        times.push(await runOSRMMethod(osrm, 'route', [from, to]));
+    }
+    return times;
+}
+
+async function table(osrm, gpsData) {
+    const times = [];
+    for (let i = 0; i < 250; i++) {
+        const numPoints = Math.floor(RNG() * 3) + 15;
+        const coordinates = [];
+        for (let i = 0; i < numPoints; i++) {
+            coordinates.push(gpsData.getRandomCoordinate());
+        }
+
+        
+        times.push(await runOSRMMethod(osrm, 'table', coordinates));
+    }
+    return times;
+}
+
+async function match(osrm, gpsData) {
+    const times = [];
+    for (let i = 0; i < 1000; i++) {
+        const numPoints = Math.floor(RNG() * 50) + 50;
+        const coordinates = gpsData.getRandomTrack().slice(0, numPoints);
+
+        
+        times.push(await runOSRMMethod(osrm, 'match', coordinates));
+    }
+    return times;
+}
+
+async function trip(osrm, gpsData) {
+    const times = [];
+    for (let i = 0; i < 250; i++) {
+        const numPoints = Math.floor(RNG() * 2) + 5;
+        const coordinates = [];
+        for (let i = 0; i < numPoints; i++) {
+            coordinates.push(gpsData.getRandomCoordinate());
+        }
+
+        
+        times.push(await runOSRMMethod(osrm, 'trip', coordinates));
+    }
+    return times;
+}
+
+function bootstrapConfidenceInterval(data, numSamples = 1000, confidenceLevel = 0.95) {
+    let means = [];
+    let dataLength = data.length;
+
+    for (let i = 0; i < numSamples; i++) {
+        let sample = [];
+        for (let j = 0; j < dataLength; j++) {
+            let randomIndex = Math.floor(RNG() * dataLength);
+            sample.push(data[randomIndex]);
+        }
+        let sampleMean = sample.reduce((a, b) => a + b, 0) / sample.length;
+        means.push(sampleMean);
+    }
+
+    means.sort((a, b) => a - b);
+    let lowerBoundIndex = Math.floor((1 - confidenceLevel) / 2 * numSamples);
+    let upperBoundIndex = Math.floor((1 + confidenceLevel) / 2 * numSamples);
+    let mean = means.reduce((a, b) => a + b, 0) / means.length;
+    let lowerBound = means[lowerBoundIndex];
+    let upperBound = means[upperBoundIndex];
+
+    return { mean: mean, lowerBound: lowerBound, upperBound: upperBound };
+}
+
+function calculateConfidenceInterval(data) {
+    let { mean, lowerBound, upperBound } = bootstrapConfidenceInterval(data);
+    let bestValue = Math.max(...data);
+    let errorMargin = (upperBound - lowerBound) / 2;
+
+    return { mean, errorMargin, bestValue };
+}
+
+async function main() {
+    const args = process.argv.slice(2);
+
+    const {OSRM} = require(args[0]);
+    const path = args[1];
+    const algorithm = args[2].toUpperCase();
+    const method = args[3];
+    const gpsTracesFilePath = args[4];
+    const iterations = parseInt(args[5]);
+
+    const gpsData = new GPSData(gpsTracesFilePath);
+    const osrm = new OSRM({path, algorithm});
+
+
+    const functions = {
+        route: route,
+        table: table,
+        nearest: nearest,
+        match: match,
+        trip: trip
+    };
+    const func = functions[method];
+    if (!func) {
+        throw new Error('Unknown method');
+    }
+    const allTimes = [];
+    for (let i = 0; i < iterations; i++) {
+        RNG = seedrandom(42);
+        allTimes.push((await func(osrm, gpsData)).filter(t => t !== null));
+    }
+
+    const opsPerSec = allTimes.map(times => times.length / times.reduce((a, b) => a + b, 0));
+    const { mean, errorMargin, bestValue } = calculateConfidenceInterval(opsPerSec);
+    console.log(`Ops: ${mean.toFixed(1)} ± ${errorMargin.toFixed(1)} ops/s. Best: ${bestValue.toFixed(1)} ops/s`);
+
+}
+
+main();

scripts/ci/run_benchmarks.sh

@@ -53,6 +53,7 @@ function run_benchmarks_for_folder {
     mkdir -p $RESULTS_FOLDER
 
     BENCHMARKS_FOLDER="$BINARIES_FOLDER/src/benchmarks"
+
     echo "Running match-bench MLD"
     $BENCHMARKS_FOLDER/match-bench "$FOLDER/test/data/mld/monaco.osrm" mld > "$RESULTS_FOLDER/match_mld.bench"
     echo "Running match-bench CH"
@@ -81,6 +82,18 @@ function run_benchmarks_for_folder {
     echo "Running osrm-contract"
     measure_peak_ram_and_time "$BINARIES_FOLDER/osrm-contract $FOLDER/data.osrm" "$RESULTS_FOLDER/osrm_contract.bench"
 
+
+    for ALGORITHM in ch mld; do
+        for BENCH in nearest table trip route match; do
+            echo "Running node $BENCH $ALGORITHM"
+            START=$(date +%s.%N)
+            node $SCRIPTS_FOLDER/scripts/ci/bench.js $FOLDER/lib/binding/node_osrm.node $FOLDER/data.osrm $ALGORITHM $BENCH $GPS_TRACES > "$RESULTS_FOLDER/node_${BENCH}_${ALGORITHM}.bench" 5
+            END=$(date +%s.%N)
+            DIFF=$(echo "$END - $START" | bc)
+            echo "Took: ${DIFF}s"
+        done
+    done
+    
     for ALGORITHM in ch mld; do
         for BENCH in nearest table trip route match; do
             echo "Running random $BENCH $ALGORITHM"

src/benchmarks/bench.cpp

@@ -16,8 +16,8 @@
 #include "osrm/osrm.hpp"
 #include "osrm/status.hpp"
 
+#include "util/meminfo.hpp"
 #include <boost/assert.hpp>
-
 #include <boost/optional/optional.hpp>
 #include <cstdlib>
 #include <exception>
@@ -655,6 +655,12 @@ try
         std::cerr << "Unknown benchmark: " << benchmarkToRun << std::endl;
         return EXIT_FAILURE;
     }
+
+    std::cout << "Peak RAM: " << std::setprecision(3)
+              << static_cast<double>(osrm::util::PeakRAMUsedInBytes()) /
+                     static_cast<double>((1024 * 1024))
+              << "MB" << std::endl;
+
     return EXIT_SUCCESS;
 }
 catch (const std::exception &e)