Merge pull request #322 from graalvm/archive-demos-3

[GR-60094] Review and move multithreading-demo demo to archive.

Author: olyagpl

.github/workflows/multithreading-demo.yml renamed to .github/workflows/archive-multithreading-demo.yml

@@ -1,43 +1,38 @@
-name: multithreading-demo
+name: archive/multithreading-demo
 on:
   push:
     paths:
-      - 'multithreading-demo/**'
-      - '.github/workflows/multithreading-demo.yml'
+      - 'archive/multithreading-demo/**'
+      - '.github/workflows/archive-multithreading-demo.yml'
   pull_request:
     paths:
-      - 'multithreading-demo/**'
-      - '.github/workflows/multithreading-demo.yml'
-  schedule:
-    - cron: "0 0 1 * *" # run every month
+      - 'archive/multithreading-demo/**'
+      - '.github/workflows/archive-multithreading-demo.yml'
   workflow_dispatch:
 permissions:
   contents: read
 jobs:
   run:
-    name: Run 'multithreading-demo'
+    name: Run 'archive/multithreading-demo'
     runs-on: ubuntu-latest
     timeout-minutes: 15
-    strategy:
-      matrix:
-        java-version: ['22', 'latest-ea']
     steps:
       - uses: actions/checkout@v4
       - uses: graalvm/setup-graalvm@v1
         with:
-          java-version: ${{ matrix.java-version }}
+          java-version: '21'
           distribution: 'graalvm'
           github-token: ${{ secrets.GITHUB_TOKEN }}
           cache: 'maven'
       - name: Run 'multithreading-demo-oversized'
         run: |
-          cd multithreading-demo/multithreading-demo-oversized
+          cd archive/multithreading-demo/multithreading-demo-oversized
           mvn --no-transfer-progress package
           java -jar target/multithreading-1.0-jar-with-dependencies.jar
           ./target/multithreading-image-oversized
       - name: Run 'multithreading-demo-improved'
         run: |
-          cd multithreading-demo/multithreading-demo-improved
+          cd archive/multithreading-demo/multithreading-demo-improved
           mvn --no-transfer-progress package
           java -jar target/multithreading-1.0-jar-with-dependencies.jar
           ./target/multithreading-image-improved

README.md

@@ -47,10 +47,6 @@ cd graalvm-demos
       <td align="left" width="30%"><a href="/java-simple-stream-benchmark/">java-simple-stream-benchmark</a><br><a href="https://github.com/graalvm/graalvm-demos/actions/workflows/java-simple-stream-benchmark.yml"><img alt="java-simple-stream-benchmark" src="https://github.com/graalvm/graalvm-demos/actions/workflows/java-simple-stream-benchmark.yml/badge.svg" /></a></td>
       <td align="left" width="70%">Demonstrates how the Graal compiler can achieve better performance for highly abstracted programs like those using Streams, Lambdas<br><strong>Technologies: </strong>Graal compiler, C2<br><strong>Reference: </strong><a href="https://luna.oracle.com/lab/d502417b-df66-45be-9fed-a3ac8e3f09b1/steps#task-2-run-demos-java-microbenchmark-harness-jmh">Simple Java Stream Benchmark</a></td>
     </tr>
-    <tr>
-      <td align="left" width="30%"><a href="/multithreading-demo/">multithreading-demo</a><br><a href="https://github.com/graalvm/graalvm-demos/actions/workflows/streams.yml"><img alt="streams" src="https://github.com/graalvm/graalvm-demos/actions/workflows/streams.yml/badge.svg" /></a></td>
-      <td align="left" width="70%">Demonstrates how to optimize a Java application that does synchronous and asynchronous threads execution<br><strong>Technologies: </strong>Native Image Build Reports, Native Build Tools Maven plugin <br><strong>Reference: </strong><a href="https://medium.com/graalvm/making-sense-of-native-image-contents-741a688dab4d">Making sense of Native Image contents</a></td>
-    </tr>
     <tr>
       <td align="left" width="30%"><a href="/native-image-configure-examples/">native-image-configure-examples</a><br><a href="https://github.com/graalvm/graalvm-demos/actions/workflows/streams.yml"><img alt="streams" src="https://github.com/graalvm/graalvm-demos/actions/workflows/streams.yml/badge.svg" /></a></td>
       <td align="left" width="70%">Demonstrates how you can influence the classes initialization at the image build time<br><strong>Technologies: </strong>Native Image, Maven<br><strong>Reference: </strong><a href="https://medium.com/graalvm/understanding-class-initialization-in-graalvm-native-image-generation-d765b7e4d6ed">Understanding Class Initialization in GraalVM Native Image Generation</a></td>

multithreading-demo/README.md renamed to archive/multithreading-demo/README.md

@@ -5,15 +5,15 @@ Each thread loops through exactly the same array of integers and generates a str
 The program calculates the time taken to perform the task synchronously and asynchronously.
 
 Multithreading demo is comprised of two sub-projects, each built with Maven: **Multithreading Demo Oversized** and **Multithreading Demo Improved**.
-The _pom.xml_ file of each sub-project includes the [Native Image Maven plugin](https://graalvm.github.io/native-build-tools/latest/maven-plugin.html), which instructs Maven to generate a native executable of a JAR file with all dependencies at the `mvn package` step.
+The _pom.xml_ file of each sub-project includes the [Maven plugin for Native Image building](https://graalvm.github.io/native-build-tools/latest/maven-plugin.html), which instructs Maven to generate a native executable of a JAR file with all dependencies at the `mvn package` step.
 
 The plugin also generates a report using the [Native Image Build Reports](https://www.graalvm.org/latest/reference-manual/native-image/overview/Options/#build-output-and-build-report) feature in the _target_ directory with useful visualizations and comprehensive insights into different metrics of the native executable and the build process itself.
 
 ```xml
 <plugin>
     <groupId>org.graalvm.buildtools</groupId>
     <artifactId>native-maven-plugin</artifactId>
-    <version>0.10.1</version>
+    <version>${org.graalvm.buildtools.version}</version>
     <extensions>true</extensions>
     <executions>
         <execution>
@@ -44,15 +44,15 @@ The plugin also generates a report using the [Native Image Build Reports](https:
 
 1. Download and install the latest GraalVM JDK using [SDKMAN!](https://sdkman.io/).
     ```bash
-    sdk install java 22.0.1-graal
+    sdk install java 21.0.1-graal
     ```
 
 2. Download or clone the repository and navigate into the `multithreading-demo/multithreading-demo-oversized_` directory:
     ```bash
     git clone https://github.com/graalvm/graalvm-demos
     ```
     ```bash
-    cd multithreading-demo/multithreading-demo-oversized
+    cd graalvm-demos/archive/multithreading-demo/multithreading-demo-oversized
     ```
 
 ## Multithreading Demo Oversized
@@ -89,6 +89,4 @@ Multithreading Demo Improved contains an enhanced version of the same program.
     ./target/multithreading-image-improved
     ```
 
-### Learn More
-
-Learn how you can optimize a Java application by applying Profile-guided optimization (PGO) and inspect a profile using [Native Image Build Reports](https://www.graalvm.org/jdk22/reference-manual/native-image/optimizations-and-performance/PGO/build-reports/).
+Continue reading about how you can inspect a profile and potentially optimize size of your native application using [Build Reports](https://www.graalvm.org/latest/reference-manual/native-image/guides/optimize-native-executable-size-using-build-report/).

multithreading-demo/multithreading-demo-improved/multithreading-demo.iml renamed to archive/multithreading-demo/multithreading-demo-improved/multithreading-demo.iml

@@ -9,9 +9,9 @@
     <version>1.0</version>
 
     <properties>
-        <native.maven.plugin.version>0.10.1</native.maven.plugin.version>
-        <maven.compiler.source>22</maven.compiler.source>
-        <maven.compiler.target>22</maven.compiler.target>
+        <native.maven.plugin.version>0.10.4</native.maven.plugin.version>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
     </properties>
 
     <dependencies>
@@ -87,9 +87,8 @@
                     <imageName>multithreading-image-improved</imageName>
                     <fallback>false</fallback>
                     <buildArgs>
-                        <buildArg>
-                        -H:+UnlockExperimentalVMOptions -H:+BuildReport --initialize-at-build-time
-                        </buildArg>
+                        <buildArg>-H:+UnlockExperimentalVMOptions -H:+BuildReport</buildArg>
+                        <buildArg>--initialize-at-build-time</buildArg>
                     </buildArgs>
                     <agent>
                         <enabled>true</enabled>

multithreading-demo/multithreading-demo-improved/pom.xml renamed to archive/multithreading-demo/multithreading-demo-improved/pom.xml

@@ -9,9 +9,9 @@
     <version>1.0</version>
 
     <properties>
-        <native.maven.plugin.version>0.10.1</native.maven.plugin.version>
-        <maven.compiler.source>22</maven.compiler.source>
-        <maven.compiler.target>22</maven.compiler.target>
+        <native.maven.plugin.version>0.10.4</native.maven.plugin.version>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
     </properties>
 
     <dependencies>
@@ -87,9 +87,8 @@
                     <imageName>multithreading-image-oversized</imageName>
                     <fallback>false</fallback>
                     <buildArgs>
-                        <buildArg>
-                        --no-fallback -H:+UnlockExperimentalVMOptions -H:+BuildReport --initialize-at-build-time
-                        </buildArg>
+                        <buildArg>-H:+UnlockExperimentalVMOptions -H:+BuildReport</buildArg>
+                        <buildArg>--initialize-at-build-time</buildArg>
                     </buildArgs>
                     <agent>
                         <enabled>true</enabled>