Java benchmarks support

.gitignore

@@ -188,5 +188,7 @@ cache
 .idea
 *.iml
 
+# Visual Studio Code files
+.vscode/
 # MacOS Finder
-**/.DS_Store
+**/.DS_Store

.mypy.ini

@@ -36,6 +36,9 @@ ignore_missing_imports = True
 [mypy-google.cloud.storage]
 ignore_missing_imports = True
 
+[mypy-google.cloud.devtools]
+ignore_missing_imports = True
+
 [mypy-google.api_core]
 ignore_missing_imports = True
 

CHANGELOG.md

@@ -15,6 +15,7 @@
   - Dynamic dependency resolution with CMake generation
   - Support for Boost, OpenCV, igraph, PyTorch, hiredis libraries
   - C++ implementations: 010.sleep, 210.thumbnailer, 501.graph-pagerank, 503.graph-bfs, 411.image-recognition
+* **Java benchmarks**: initial support for Java on all four platforms (#223), including benchmark **110.dynamic-html**.
 * **Python**: Updated support for Python 3.8, 3.9, 3.10, 3.11, 3.12
 * **Node.js**: Updated support for Node.js 14, 16, 18, 20
 
@@ -104,6 +105,8 @@ This release includes contributions from:
 * @lawrence910426 - Colored CLI output (#141)
 * @alevy - Documentation improvements (#139)
 * @skehrli - Local memory measurements (#101)
+* @mahlashrifi - Java benchmarks support (#223)
+* @xSurus - improvements and extensions to Java benchmarks (#223)
 * And many others who contributed bug reports, testing, and feedback!
 
 ## [1.1.0](https://github.com/spcl/serverless-benchmarks/compare/v1.0...v1.1) (2022-05-30)

README.md

@@ -187,3 +187,5 @@ To verify the correctness of installation, you can use [our regression testing](
 * [Prajin Khadka](https://github.com/prajinkhadka) - contributed new language versions, container support, and ARM builds.
 * [Horia Mercan](https://github.com/HoriaMercan) - contributed new benchmarks in C++.
 * [Dillon Elste (ETH Zurich)](https://github.com/DJAntivenom) - bugfixing in C++.
+* [Mahla Sharifi](https://github.com/mahlashrifi) - contributed support for Java benchmarks.
+* [Alexander Schlieper (ETH Zurich)](https://github.com/xSurus) - improved support for Java benchmarks.

benchmarks/000.microbenchmarks/010.sleep/config.json

@@ -1,6 +1,6 @@
 {
   "timeout": 120,
   "memory": 128,
-  "languages": ["python", "nodejs", "cpp"],
+  "languages": ["python", "nodejs", "java", "cpp"],
   "modules": []
 }

benchmarks/000.microbenchmarks/010.sleep/java/pom.xml

@@ -0,0 +1,60 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>function</groupId>
+  <artifactId>benchmark</artifactId>
+  <version>1.0</version>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <java.version>${env.JAVA_VERSION}</java.version>
+  </properties>
+
+  <dependencies>
+    <!-- PLATFORM_DEPENDENCIES -->
+  </dependencies>
+
+  <build>
+    <finalName>function</finalName>
+    <plugins>
+      <!-- Compiler Plugin using environment-sourced version -->
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.8.1</version>
+        <configuration>
+          <source>${java.version}</source>
+          <target>${java.version}</target>
+        </configuration>
+      </plugin>
+
+      <!-- Shade plugin to build fat JAR -->
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-shade-plugin</artifactId>
+        <version>3.2.4</version>
+        <executions>
+          <execution>
+            <phase>package</phase>
+            <goals><goal>shade</goal></goals>
+            <configuration>
+              <filters>
+                <filter>
+                  <artifact>*:*</artifact>
+                  <excludes>
+                    <exclude>module-info.class</exclude>
+                    <exclude>META-INF/*.SF</exclude>
+                    <exclude>META-INF/*.DSA</exclude>
+                    <exclude>META-INF/*.RSA</exclude>
+                  </excludes>
+                </filter>
+              </filters>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>

benchmarks/000.microbenchmarks/010.sleep/java/src/main/java/function/Function.java

@@ -0,0 +1,33 @@
+package function;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Function {
+
+    public Map<String, Object> handler(Map<String, Object> event) {
+        double sleepSeconds = parseSeconds(event.get("sleep"));
+        try {
+            Thread.sleep((long) (sleepSeconds * 1000));
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+        }
+        Map<String, Object> result = new HashMap<>();
+        result.put("result", sleepSeconds);
+        return result;
+    }
+
+    private double parseSeconds(Object value) {
+        if (value instanceof Number) {
+            return ((Number) value).doubleValue();
+        }
+        if (value instanceof String) {
+            try {
+                return Double.parseDouble((String) value);
+            } catch (NumberFormatException ignored) {
+                return 0;
+            }
+        }
+        return 0;
+    }
+}

benchmarks/100.webapps/110.dynamic-html/config.json

@@ -1,6 +1,6 @@
 {
   "timeout": 10,
   "memory": 128,
-  "languages": ["python", "nodejs"],
+  "languages": ["python", "nodejs", "java"],
   "modules": []
 }

benchmarks/100.webapps/110.dynamic-html/java/init.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+OUTPUT_DIR=$1
+
+# Copy templates directory to the output directory
+cp -r templates "$OUTPUT_DIR/"

benchmarks/100.webapps/110.dynamic-html/java/pom.xml

@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>function</groupId>
+    <artifactId>benchmark</artifactId>
+    <version>1.0</version>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <java.version>${env.JAVA_VERSION}</java.version>
+    </properties>
+    <dependencies>
+        <!-- Mustache templating engine -->
+        <dependency>
+            <groupId>com.github.spullara.mustache.java</groupId>
+            <artifactId>compiler</artifactId>
+            <version>0.9.10</version>
+        </dependency>
+        <!-- PLATFORM_DEPENDENCIES -->
+    </dependencies>
+    <build>
+        <!-- Force rebuild for Architecture fix -->
+        <finalName>function</finalName>
+        <resources>
+            <resource>
+                <directory>${project.basedir}/templates</directory>
+                <targetPath>templates</targetPath>
+                <includes>
+                    <include>**/*.html</include>
+                </includes>
+            </resource>
+        </resources>
+        <plugins>
+            <!-- Compiler Plugin using environment-sourced version -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
+            </plugin>
+
+            <!-- Shade plugin to build fat JAR -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.2.4</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <createDependencyReducedPom>false</createDependencyReducedPom>
+                            <filters>
+                                <filter>
+                                    <artifact>*:*</artifact>
+                                    <excludes>
+                                        <exclude>module-info.class</exclude>
+                                        <exclude>META-INF/*.SF</exclude>
+                                        <exclude>META-INF/*.RSA</exclude>
+                                        <exclude>META-INF/*.DSA</exclude>
+                                        <exclude>module-info.class</exclude>
+                                        <exclude>META-INF/versions/*/module-info.class</exclude>
+                                        <exclude>META-INF/versions/**/module-info.class</exclude>
+                                    </excludes>
+                                </filter>
+                            </filters>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

benchmarks/100.webapps/110.dynamic-html/java/src/main/java/function/Function.java

@@ -0,0 +1,100 @@
+package function;
+
+import com.github.mustachejava.DefaultMustacheFactory;
+import com.github.mustachejava.Mustache;
+import com.github.mustachejava.MustacheFactory;
+
+import java.io.*;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.*;
+
+public class Function {
+
+    private static final DateTimeFormatter DATE_FORMATTER = 
+        DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+
+    public Map<String, Object> handler(Map<String, Object> event) {
+        try {
+            // Get input parameters
+            String username = (String) event.getOrDefault("username", "Guest");
+            int randomLen = parseRandomLen(event.get("random_len"));
+
+            // Generate random numbers
+            List<Integer> randomNumbers = generateRandomNumbers(randomLen);
+
+            // Get current time
+            String currentTime = LocalDateTime.now().format(DATE_FORMATTER);
+
+            // Prepare template data
+            Map<String, Object> templateData = new HashMap<>();
+            templateData.put("username", username);
+            templateData.put("cur_time", currentTime);
+            templateData.put("random_numbers", randomNumbers);
+
+            // Render HTML
+            String html = renderTemplate(templateData);
+
+            // Return result
+            Map<String, Object> result = new HashMap<>();
+            result.put("result", html);
+            return result;
+
+        } catch (Exception e) {
+            // Return error as result to avoid crashing
+            Map<String, Object> result = new HashMap<>();
+            StringWriter sw = new StringWriter();
+            PrintWriter pw = new PrintWriter(sw);
+            e.printStackTrace(pw);
+            result.put("result", "<html><body><h1>Error</h1><pre>" + 
+                      sw.toString() + "</pre></body></html>");
+            return result;
+        }
+    }
+
+    private int parseRandomLen(Object value) {
+        if (value instanceof Number) {
+            return ((Number) value).intValue();
+        }
+        if (value instanceof String) {
+            try {
+                return Integer.parseInt((String) value);
+            } catch (NumberFormatException e) {
+                return 10; // default
+            }
+        }
+        return 10; // default
+    }
+
+    private List<Integer> generateRandomNumbers(int count) {
+        Random random = new Random();
+        List<Integer> numbers = new ArrayList<>(count);
+        for (int i = 0; i < count; i++) {
+            numbers.add(random.nextInt(1000000));
+        }
+        return numbers;
+    }
+
+    private String renderTemplate(Map<String, Object> data) throws Exception {
+        // Try to load template from classpath
+        InputStream templateStream = getClass().getClassLoader()
+            .getResourceAsStream("templates/template.html");
+
+        if (templateStream == null) {
+            throw new IOException("Template not found in classpath");
+        }
+
+        // Create Mustache factory and compile template
+        MustacheFactory mf = new DefaultMustacheFactory();
+        Mustache mustache;
+
+        try (InputStreamReader reader = new InputStreamReader(templateStream)) {
+            mustache = mf.compile(reader, "template");
+        }
+
+        // Render template
+        StringWriter writer = new StringWriter();
+        mustache.execute(writer, data).flush();
+        return writer.toString();
+    }
+}

benchmarks/100.webapps/110.dynamic-html/java/templates/template.html

@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Randomly generated data.</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link href="http://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" media="screen">
+    <style type="text/css">
+      .container {
+        max-width: 500px;
+        padding-top: 100px;
+      }
+    </style>
+  </head>
+  <body>
+    <div class="container">
+      <p>Welcome {{username}}!</p>
+      <p>Data generated at: {{cur_time}}!</p>
+      <p>Requested random numbers:</p>
+      <ul>
+        {{#random_numbers}}
+        <li>{{.}}</li>
+        {{/random_numbers}}
+      </ul>
+    </div>
+  </body>
+</html>