[20251111] Ko3n1g/chore/main to dev

.github/copy-pr-bot.yaml

@@ -1,4 +1,4 @@
 enabled: true
 auto_sync_draft: false
 auto_sync_ready: true
-trustees_override: ["AAnoosheh", "ArEsKay3", "Autumn1998", "BestJuly", "BoxiangW", "ChenhanYu", "FDecaYed", "HaochenYuan", "ISEEKYAN", "JRD971000", "QiZhangNV", "ShriyaRishab", "Victarry", "Wohox", "ZhiyuLi-Nvidia", "aklife97", "ananthsub", "asolergi-nv", "buptzyb", "chtruong814", "cspades", "cuichenx", "deepakn94", "dimapihtar", "duncanriach", "erhoo82", "ericharper", "fanshiqing", "gautham-kollu", "hxbai", "jaredcasper", "jkamalu", "jon-barker", "kanz-nv", "kevalmorabia97", "ko3n1g", "kunlunl", "kvareddy", "layalir", "lhb8125", "lmcafee-nvidia", "maanug-nv", "mathemakitten", "matthieule", "mkhona-nvidia", "pablo-garay", "pthombre", "rogerwaleffe", "sanandaraj5597", "santhnm2", "sbak5", "shanmugamr1992", "sidsingh-nvidia", "skyw", "tdene", "theothermike", "thomasdhc", "trintamaki", "tylerpoon", "wdykas", "xiaoyao0115", "yanring", "yaox12", "yaoyu-33", "yashaswikarnati", "yobibyte", "youngeunkwon0405", "yuzhongw-nvidia", "zhongbozhu"]
+trustees_override: ["AAnoosheh", "ArEsKay3", "Autumn1998", "BestJuly", "BoxiangW", "ChenhanYu", "FDecaYed", "HaochenYuan", "ISEEKYAN", "JRD971000", "QiZhangNV", "ShriyaRishab", "Victarry", "Wohox", "ZhiyuLi-Nvidia", "aklife97", "ananthsub", "asolergi-nv", "buptzyb", "chtruong814", "cspades", "cuichenx", "deepakn94", "dimapihtar", "duncanriach", "erhoo82", "ericharper", "fanshiqing", "gautham-kollu", "hxbai", "jaredcasper", "jiemingz", "jkamalu", "jon-barker", "kanz-nv", "kevalmorabia97", "ko3n1g", "kunlunl", "kvareddy", "layalir", "lhb8125", "lmcafee-nvidia", "maanug-nv", "mathemakitten", "matthieule", "mehraakash", "mkhona-nvidia", "pablo-garay", "parthmannan", "pthombre", "rogerwaleffe", "sanandaraj5597", "santhnm2", "sbak5", "shanmugamr1992", "shifangx", "shjwudp", "sidsingh-nvidia", "skyw", "tdene", "theothermike", "thomasdhc", "trintamaki", "tylerpoon", "wdykas", "xiaoyao0115", "xuwchen", "yanring", "yaox12", "yaoyu-33", "yashaswikarnati", "yobibyte", "youngeunkwon0405", "yuzhongw-nvidia", "zhongbozhu"]

.github/workflows/auto-update-copy-pr-bot.yml

@@ -9,6 +9,7 @@ jobs:
   auto-update-copy-pr-bot:
     runs-on: ubuntu-latest
     environment: nemo-ci
+    if: github.repository == 'NVIDIA/Megatron-LM'
     steps:
       - name: Checkout code
         uses: actions/checkout@v3

.github/workflows/cicd-main.yml

@@ -233,11 +233,26 @@ jobs:
         with:
           python-version: 3.12
 
+      - name: Install GH CLI
+        shell: bash -x -e -u -o pipefail {0}
+        run: |
+          apt-get update
+          apt-get install -y gh
+
       - name: Get PR info
         id: get-pr-info
         if: startsWith(github.ref, 'refs/heads/pull-request/')
         uses: nv-gha-runners/get-pr-info@main
 
+      - name: Has lts label
+        id: has-lts-label
+        env:
+          GH_TOKEN: ${{ secrets.PAT }}
+        run: |
+          PR_NUMBER=${{ fromJSON(steps.get-pr-info.outputs.pr-info || '{}').number }}
+          HAS_LTS_LABEL=$(gh pr view $PR_NUMBER --json labels | jq '[.labels[].name] | any(. == "container::lts")') || echo "false"
+          echo "main=$HAS_LTS_LABEL" | tee -a $GITHUB_OUTPUT
+
       - name: Download test data
         shell: bash
         env:
@@ -276,6 +291,22 @@ jobs:
           echo "$LAST_PRS" | tee -a $GITHUB_OUTPUT
           echo "EOF" | tee -a $GITHUB_OUTPUT
 
+      - name: Parse baseimage
+        shell: bash
+        id: base-image
+        env:
+          HAS_LTS_LABEL: ${{ steps.has-lts-label.outputs.main }}
+        run: |
+          if [ "$HAS_LTS_LABEL" == "true" ]; then
+            NGC_VERSION=$(cat docker/.ngc_version.lts)
+            echo "version=$NGC_VERSION" | tee -a $GITHUB_OUTPUT
+            echo "image_type=lts" | tee -a $GITHUB_OUTPUT
+          else
+            NGC_VERSION=$(cat docker/.ngc_version.dev)
+            echo "version=$NGC_VERSION" | tee -a $GITHUB_OUTPUT
+            echo "image_type=dev" | tee -a $GITHUB_OUTPUT
+          fi
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -287,7 +318,8 @@ jobs:
           context: .
           target: main
           build-args: |
-            FROM_IMAGE_NAME=nvcr.io/nvidia/pytorch:25.09-py3
+            FROM_IMAGE_NAME=${{ steps.base-image.outputs.version }}
+            IMAGE_TYPE=${{ steps.base-image.outputs.image_type }}
           cache-from: |
             type=registry,ref=${{ env.container-registry }}/megatron-lm:${{ fromJSON(steps.get-pr-info.outputs.pr-info || '{}').number || 0 }}-buildcache,mode=max
             type=registry,ref=${{ env.container-registry }}/megatron-lm:main-buildcache,mode=max

.gitlab/stages/01.build.yml

@@ -53,10 +53,12 @@ test:build_image:
   parallel:
     matrix:
       - IMAGE: CI_MCORE_LTS_IMAGE
-        FILE: Dockerfile.ci.lts
-        BASE_IMAGE: nvcr.io/nvidia/pytorch:24.01-py3
+        FILE: Dockerfile.ci.dev
+        IMAGE_TYPE: lts
+        BASE_IMAGE: nvcr.io/nvidia/pytorch:25.09-py3
       - IMAGE: CI_MCORE_DEV_IMAGE
         FILE: Dockerfile.ci.dev
+        IMAGE_TYPE: dev
         BASE_IMAGE: nvcr.io/nvidia/pytorch:25.09-py3
       - IMAGE: UTILITY_IMAGE
         FILE: Dockerfile.linting

docker/.ngc_version.dev

@@ -0,0 +1 @@
+nvcr.io/nvidia/pytorch:25.09-py3

docker/.ngc_version.lts

@@ -0,0 +1 @@
+nvcr.io/nvidia/pytorch:25.09-py3

docker/Dockerfile.ci.dev

@@ -1,8 +1,6 @@
 # syntax=docker/dockerfile:1.3-labs
 
 ARG FROM_IMAGE_NAME
-ARG WHEEL_DIR=/workspace/wheels
-
 FROM ${FROM_IMAGE_NAME} as main
 ENV PIP_CONSTRAINT=""
 ENV DEBIAN_FRONTEND=noninteractive
@@ -25,16 +23,16 @@ RUN bash -ex <<"EOF"
     curl -LsSf https://astral.sh/uv/${UV_VERSION}/install.sh | sh
 EOF
 
-ARG WHEEL_DIR
 COPY README.md pyproject.toml uv.lock /workspace/
 COPY megatron/core/__init__.py /workspace/megatron/core/
 COPY megatron/core/package_info.py /workspace/megatron/core/
+ARG IMAGE_TYPE=dev
 RUN --mount=type=cache,target=/root/.cache/uv \
     bash -ex <<"EOF"
     export NVTE_CUDA_ARCHS="80;90;100"
     uv venv ${UV_PROJECT_ENVIRONMENT} --system-site-packages
     uv sync --only-group build
-    uv sync --extra dev --extra mlm --link-mode copy --locked \
+    uv sync --extra ${IMAGE_TYPE} --extra mlm --link-mode copy --locked \
         --no-install-package torch \
         --no-install-package torchvision \
         --no-install-package triton \