Incorporate determinism into GPU heuristics + parallel determinsitic B&B+GPU exploration

.claude-plugin/marketplace.json

@@ -5,7 +5,7 @@
   },
   "metadata": {
     "description": "Agent skills for NVIDIA cuOpt: routing (VRP, TSP, PDP), LP/MILP/QP, installation (Python/C/developer), and REST server.",
-    "version": "26.04.00"
+    "version": "26.06.00"
   },
   "plugins": [
     {

.cursor-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "nvidia-cuopt-skills",
   "description": "Agent skills for NVIDIA cuOpt: routing (VRP, TSP, PDP), LP/MILP/QP, installation (Python/C/developer), and REST server. Use when building or solving optimization with cuOpt.",
-  "version": "26.04.00",
+  "version": "26.06.00",
   "author": {
     "name": "NVIDIA"
   },

.github/CODEOWNERS

@@ -1,3 +1,6 @@
+# Default owner for paths with no later, more specific match
+*                  @nvidia/cuopt-infra-codeowners
+
 #cpp code owners
 cpp/               @nvidia/cuopt-engine-codeowners
 

.github/workflows/build.yaml

@@ -45,7 +45,7 @@ concurrency:
 jobs:
   cpp-build:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-build.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-build.yaml@main
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -55,7 +55,7 @@ jobs:
   python-build:
     needs: [cpp-build]
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-python-build.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/conda-python-build.yaml@main
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -65,15 +65,15 @@ jobs:
   upload-conda:
     needs: [cpp-build, python-build]
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-upload-packages.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/conda-upload-packages.yaml@main
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
       date: ${{ inputs.date }}
       sha: ${{ inputs.sha }}
   wheel-build-cuopt-mps-parser:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@main
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -88,7 +88,7 @@ jobs:
   wheel-publish-cuopt-mps-parser:
     needs: wheel-build-cuopt-mps-parser
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@main
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -99,7 +99,7 @@ jobs:
   wheel-build-libcuopt:
     needs: wheel-build-cuopt-mps-parser
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@main
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -112,7 +112,7 @@ jobs:
   wheel-publish-libcuopt:
     needs: wheel-build-libcuopt
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@main
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -123,7 +123,7 @@ jobs:
   wheel-build-cuopt:
     needs: [wheel-build-cuopt-mps-parser, wheel-build-libcuopt]
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@main
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -135,7 +135,7 @@ jobs:
   wheel-publish-cuopt:
     needs: wheel-build-cuopt
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@main
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -145,7 +145,7 @@ jobs:
       package-type: python
   wheel-build-cuopt-server:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@main
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -160,7 +160,7 @@ jobs:
   wheel-publish-cuopt-server:
     needs: wheel-build-cuopt-server
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@main
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -171,7 +171,7 @@ jobs:
   docs-build:
     needs: [python-build]
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/custom-job.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/custom-job.yaml@main
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       node_type: "gpu-l4-latest-1"
@@ -181,11 +181,11 @@ jobs:
       arch: "amd64"
       file_to_upload: "docs/cuopt/build/html/"
       artifact-name: "cuopt_docs"
-      container_image: "rapidsai/ci-conda:26.04-latest"
+      container_image: "rapidsai/ci-conda:26.06-latest"
       script: "ci/build_docs.sh"
   wheel-build-cuopt-sh-client:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@main
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -201,7 +201,7 @@ jobs:
   wheel-publish-cuopt-sh-client:
     needs: wheel-build-cuopt-sh-client
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@main
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}

.github/workflows/build_test_publish_images.yaml

@@ -55,7 +55,7 @@ jobs:
   compute-matrix:
     runs-on: ubuntu-latest
     container:
-      image: rapidsai/ci-conda:26.04-latest
+      image: rapidsai/ci-conda:26.06-latest
     outputs:
       MATRIX: ${{ steps.compute-matrix.outputs.MATRIX }}
       CUOPT_VER: ${{ steps.compute-cuopt-ver.outputs.CUOPT_VER }}

.github/workflows/pr.yaml

@@ -34,7 +34,7 @@ jobs:
       - wheel-build-cuopt-sh-client
       - test-self-hosted-server
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/pr-builder.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/pr-builder.yaml@main
     if: always()
     with:
       needs: ${{ toJSON(needs) }}
@@ -111,7 +111,7 @@ jobs:
 
   changed-files:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/changed-files.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/changed-files.yaml@main
     with:
       files_yaml: |
         build_docs:
@@ -279,20 +279,20 @@ jobs:
           - '!gemini-extension.json'
   checks:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/checks.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/checks.yaml@main
     with:
       enable_check_generated_files: false
   conda-cpp-build:
     needs: [checks, compute-matrix-filters]
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-build.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-build.yaml@main
     with:
       build_type: pull-request
       script: ci/build_cpp.sh
       matrix_filter: ${{ needs.compute-matrix-filters.outputs.conda_lean_filter }}
   conda-cpp-tests:
     needs: [conda-cpp-build, changed-files, compute-matrix-filters]
-    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-tests.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-tests.yaml@main
     if: fromJSON(needs.changed-files.outputs.changed_file_groups).test_cpp
     with:
       build_type: pull-request
@@ -308,14 +308,14 @@ jobs:
   conda-python-build:
     needs: [conda-cpp-build, compute-matrix-filters]
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-python-build.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/conda-python-build.yaml@main
     with:
       build_type: pull-request
       script: ci/build_python.sh
       matrix_filter: ${{ needs.compute-matrix-filters.outputs.conda_test_filter }}
   conda-python-tests:
     needs: [conda-python-build, changed-files, compute-matrix-filters]
-    uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@main
     if: fromJSON(needs.changed-files.outputs.changed_file_groups).test_python_conda
     with:
       run_codecov: false
@@ -332,20 +332,20 @@ jobs:
   docs-build:
     needs: [conda-python-build, changed-files]
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/custom-job.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/custom-job.yaml@main
     if: fromJSON(needs.changed-files.outputs.changed_file_groups).build_docs
     with:
       build_type: pull-request
       node_type: "gpu-l4-latest-1"
       arch: "amd64"
       file_to_upload: "docs/cuopt/build/html/"
       artifact-name: "cuopt_docs"
-      container_image: "rapidsai/ci-conda:26.04-latest"
+      container_image: "rapidsai/ci-conda:26.06-latest"
       script: "ci/build_docs.sh"
   wheel-build-cuopt-mps-parser:
     needs: compute-matrix-filters
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@main
     with:
       build_type: pull-request
       script: ci/build_wheel_cuopt_mps_parser.sh
@@ -357,7 +357,7 @@ jobs:
   wheel-build-libcuopt:
     needs: [wheel-build-cuopt-mps-parser, compute-matrix-filters]
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@main
     with:
       # build for every combination of arch and CUDA version, but only for the latest Python
       matrix_filter: ${{ needs.compute-matrix-filters.outputs.libcuopt_filter }}
@@ -368,7 +368,7 @@ jobs:
   wheel-build-cuopt:
     needs: [wheel-build-cuopt-mps-parser, wheel-build-libcuopt, compute-matrix-filters]
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@main
     with:
       build_type: pull-request
       script: ci/build_wheel_cuopt.sh
@@ -377,7 +377,7 @@ jobs:
       matrix_filter: ${{ needs.compute-matrix-filters.outputs.wheel_lean_filter }}
   wheel-tests-cuopt:
     needs: [wheel-build-cuopt, wheel-build-cuopt-mps-parser, wheel-build-cuopt-sh-client, changed-files, compute-matrix-filters]
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@main
     if: fromJSON(needs.changed-files.outputs.changed_file_groups).test_python_wheels
     with:
       build_type: pull-request
@@ -393,7 +393,7 @@ jobs:
   wheel-build-cuopt-server:
     needs: [checks, compute-matrix-filters]
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@main
     with:
       build_type: pull-request
       script: ci/build_wheel_cuopt_server.sh
@@ -405,7 +405,7 @@ jobs:
   wheel-build-cuopt-sh-client:
     needs: compute-matrix-filters
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@main
     with:
       build_type: pull-request
       script: ci/build_wheel_cuopt_sh_client.sh
@@ -417,7 +417,7 @@ jobs:
       matrix_filter: ${{ needs.compute-matrix-filters.outputs.cuopt_sh_client_filter }}
   wheel-tests-cuopt-server:
     needs: [wheel-build-cuopt, wheel-build-cuopt-server, changed-files, compute-matrix-filters]
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@main
     if: fromJSON(needs.changed-files.outputs.changed_file_groups).test_python_wheels
     with:
       build_type: pull-request

.github/workflows/test.yaml

@@ -27,7 +27,7 @@ on:
 
 jobs:
   conda-cpp-tests:
-    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-tests.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-tests.yaml@main
     with:
       build_type: ${{ inputs.build_type }}
       branch: ${{ inputs.branch }}
@@ -42,7 +42,7 @@ jobs:
       script-env-secret-3-key: CUOPT_AWS_SECRET_ACCESS_KEY
       script-env-secret-3-value: ${{ secrets.CUOPT_AWS_SECRET_ACCESS_KEY }}
   conda-python-tests:
-    uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@main
     with:
       run_codecov: false
       build_type: ${{ inputs.build_type }}
@@ -58,7 +58,7 @@ jobs:
       script-env-secret-3-key: CUOPT_AWS_SECRET_ACCESS_KEY
       script-env-secret-3-value: ${{ secrets.CUOPT_AWS_SECRET_ACCESS_KEY }}
   wheel-tests-cuopt:
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@main
     with:
       build_type: ${{ inputs.build_type }}
       branch: ${{ inputs.branch }}
@@ -73,7 +73,7 @@ jobs:
       script-env-secret-3-key: CUOPT_AWS_SECRET_ACCESS_KEY
       script-env-secret-3-value: ${{ secrets.CUOPT_AWS_SECRET_ACCESS_KEY }}
   wheel-tests-cuopt-server:
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@main
     with:
       build_type: ${{ inputs.build_type }}
       branch: ${{ inputs.branch }}
@@ -89,13 +89,13 @@ jobs:
       script-env-secret-3-value: ${{ secrets.CUOPT_AWS_SECRET_ACCESS_KEY }}
   conda-notebook-tests:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/custom-job.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/custom-job.yaml@main
     with:
       build_type: ${{ inputs.build_type }}
       branch: ${{ inputs.branch }}
       date: ${{ inputs.date }}
       sha: ${{ inputs.sha }}
       node_type: "gpu-l4-latest-1"
       arch: "amd64"
-      container_image: "rapidsai/ci-conda:26.04-latest"
+      container_image: "rapidsai/ci-conda:26.06-latest"
       script: ci/test_notebooks.sh

.github/workflows/trigger-breaking-change-alert.yaml

@@ -15,7 +15,7 @@ jobs:
   trigger-notifier:
     if: contains(github.event.pull_request.labels.*.name, 'breaking')
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/breaking-change-alert.yaml@release/26.04
+    uses: rapidsai/shared-workflows/.github/workflows/breaking-change-alert.yaml@main
     with:
       sender_login: ${{ github.event.sender.login }}
       sender_avatar: ${{ github.event.sender.avatar_url }}

CONTRIBUTING.md

@@ -117,7 +117,7 @@ Architecture:
 - Clone the repository:
 
 ```bash
-CUOPT_HOME=$(pwd)/cuopt
+export CUOPT_HOME=$(pwd)/cuopt
 git clone https://github.com/NVIDIA/cuopt.git $CUOPT_HOME
 cd $CUOPT_HOME
 ```
@@ -193,19 +193,20 @@ To build all libraries and tests, simply run
 To run the C++ tests, run
 
 ```bash
-cd $CUOPT_HOME/datasets && get_test_data.sh
+cd $CUOPT_HOME/datasets && ./get_test_data.sh
 cd $CUOPT_HOME && datasets/linear_programming/download_pdlp_test_dataset.sh
 datasets/mip/download_miplib_test_dataset.sh
 export RAPIDS_DATASET_ROOT_DIR=$CUOPT_HOME/datasets/
-ctest --test-dir ${CUOPT_HOME}/cpp/build  # libcuopt
+ctest --test-dir ${CUOPT_HOME}/cpp/build -E L1TEST  # libcuopt
 ```
+`L1TEST`s are excluded because they are expensive and not run as part of the typical development process.
 
 To run python tests, run
 
 - To run `cuopt` tests:
 ```bash
 
-cd $CUOPT_HOME/datasets && get_test_data.sh
+cd $CUOPT_HOME/datasets && ./get_test_data.sh
 cd $CUOPT_HOME && datasets/linear_programming/download_pdlp_test_dataset.sh
 datasets/mip/download_miplib_test_dataset.sh
 export RAPIDS_DATASET_ROOT_DIR=$CUOPT_HOME/datasets/

RAPIDS_BRANCH

@@ -1 +1 @@
-release/26.04
+main