updated dockerfile

Author: sandeepgupta12

.github/workflows/_linux-build.yml

@@ -132,6 +132,15 @@ jobs:
           role-session-name: gha-linux-build
           aws-region: us-east-1
 
+      - name: Download Docker image artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: manylinuxppc64le-builder-image
+  
+      - name: Load Docker image
+        run: |
+          docker load -i manylinuxppc64le-builder.tar
+          
       - name: Calculate docker image
         id: calculate-docker-image
         uses: pytorch/test-infra/.github/actions/calculate-docker-image@main

.github/workflows/ppc64le.yml

@@ -17,14 +17,25 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-          submodules: true
+        
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
       - name: Build Docker image for ppc64le
         run: |
           docker build -f .ci/docker/manywheel/Dockerfile_ppc64le -t manylinuxppc64le-builder .
+    
+      - name: Save Docker image to tarball
+        run: |
+          docker save manylinuxppc64le-builder -o manylinuxppc64le-builder.tar
+
+      - name: Upload image artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: manylinuxppc64le-builder-image
+          path: manylinuxppc64le-builder.tar
 
   linux-manylinux-2_28-py3-cpu-ppc64le-build:
 
@@ -35,4 +46,5 @@ jobs:
       build-environment: linux-ppc64le-binary-manywheel
       docker-image-name: manylinuxppc64le-builder
       runner: ubuntu-24.04-ppc64le
-    secrets: inherit
+    secrets: inherit
+