using 4x runner

Author: sandeepgupta12

.github/workflows/_binary-build-linux.yml

@@ -211,7 +211,7 @@ jobs:
 
       - name: Build Docker image for ppc64le
         run: |
-          docker build -f ./pytorch/.ci/docker/manywheel/Dockerfile_ppc64le -t pytorch/manylinuxppc64le-builder:cpu-ppc64le-main .
+          docker build --network=host -f ./pytorch/.ci/docker/manywheel/Dockerfile_ppc64le -t pytorch/manylinuxppc64le-builder:cpu-ppc64le-main .
       - name: Build PyTorch binary
         if: ${{ steps.filter.outputs.is-test-matrix-empty == 'False' }}
         run: |

.github/workflows/_linux-build.yml

@@ -169,7 +169,7 @@ jobs:
 
       - name: Build Docker image for ppc64le
         run: |
-          docker build --network=host -f .ci/docker/manywheel/Dockerfile_ppc64le -t manylinuxppc64le-builder .
+          docker build .ci/docker/manywheel/Dockerfile_ppc64le -t manylinuxppc64le-builder .
 
       - name: Calculate docker image
         id: calculate-docker-image

.github/workflows/generated-linux-ppc64le-binary-manywheel-nightly.yml

@@ -44,5 +44,5 @@ jobs:
     with:
       build-environment: linux-ppc64le-binary-manywheel
       docker-image-name: manylinuxppc64le-builder
-      runner: ubuntu-24.04-ppc64le-4xlarge
+      runner: ubuntu-24.04-ppc64le-2xlarge
     secrets: inherit