Update CI workflow to not run montly; Remove demo entry from top-level README

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>