Merge pull request #2907 to speed up the continuous integration workflows

This should reduce the CI runtime, by checking fewer things on an open pull request, especially on the MacOS runners which are busier and slower.

Author: rwest

.github/workflows/CI.yml

@@ -12,20 +12,6 @@
 # them. These 'answers' are re-generated daily, or on any push to main, and retrieved whenever
 # a push is made to a non-main branch. The new proposed changes are referred to as "Dynamic".
 #
-#
-# Changelog:
-# 2023-04    - Jackson Burns - Added this header, regression tests, cleanup of action in
-#              in general, and documentation throughout the file.
-# 2023-05    - added Docker build steps
-# 2023-05-12 - added changes to allow running on forks
-# 2023-06-06 - added matrix build for libstdcxx-ng versions 12 and 13 on ubuntu. Only expect 12 to work.
-# 2023-06-07 - updated regression testing. Now fails if significant changes are detected.
-# 2023-06-15 - revert changes from 06-06, both now work
-# 2023-06-27 - add option to run from RMG-database with GitHub resuable workflows
-# 2023-07-17 - made it pass by default
-# 2023-07-21 - upload the regression results summary as artifact (for use as a comment on PRs)
-# 2023-07-31 - removed option to run from RMG-database with GitHub resuable workflows
-# 2024-10-01 - deprecated Mambaforge with Miniforge3 for environment creation
 
 name: Continuous Integration
 
@@ -68,6 +54,21 @@ jobs:
         python-version: ["3.9", "3.10", "3.11"]
         os: [macos-15-intel, macos-latest, ubuntu-latest]
         include-rms: ["", "with RMS"]
+        exclude:
+          # on macos, only check with RMS (assume it also works without RMS)
+          - os: macos-15-intel
+            include-rms: ""
+          - os: macos-latest
+            include-rms: ""
+          # on macos, only test with latest Python version
+          - os: macos-15-intel
+            python-version: "3.9"
+          - os: macos-latest
+            python-version: "3.9"
+          - os: macos-15-intel
+            python-version: "3.10"
+          - os: macos-latest
+            python-version: "3.10"
     runs-on: ${{ matrix.os }}
     name: Python ${{ matrix.python-version }} ${{ matrix.os }} Build and Test ${{ matrix.include-rms }}
     # skip scheduled runs from forks
@@ -123,8 +124,14 @@ jobs:
 
       # non-regression testing
       - name: Run Unit, Functional, and Database Tests
+        if: matrix.os == 'ubuntu-latest'
         run: make test-all
 
+      # for the less capable non-linux runners, we only run units tests
+      - name: Run Unit Tests
+        if: matrix.os != 'ubuntu-latest'
+        run: make test-unittests
+
   regression-test:
     runs-on: ubuntu-latest
     name: Regression Test

.github/workflows/conda_build.yml

@@ -18,6 +18,27 @@ jobs:
         os: [ubuntu-latest, macos-15-intel, macos-latest]
         numpy-version: ["1.26"]
         python-version: ["3.9", "3.10", "3.11"]
+        is_pr: ["${{ contains(github.event_name, 'pull_request') }}"]
+        exclude:
+        # for PRs just run a single build per platform to save time and resources
+          - is_pr: true
+            os: ubuntu-latest
+            python-version: "3.9"
+          - is_pr: true
+            os: ubuntu-latest
+            python-version: "3.10"
+          - is_pr: true
+            os: macos-15-intel
+            python-version: "3.9"
+          - is_pr: true
+            os: macos-15-intel
+            python-version: "3.10"
+          - is_pr: true
+            os: macos-latest
+            python-version: "3.9"
+          - is_pr: true
+            os: macos-latest
+            python-version: "3.10"
     runs-on: ${{ matrix.os }}
     name: Build ${{ matrix.os }} Python ${{ matrix.python-version }} Numpy ${{ matrix.numpy-version }}
     defaults:

.github/workflows/docs.yml

@@ -7,6 +7,7 @@ on:
   pull_request:
   schedule:
     # * is a special character in YAML so you have to quote this string
+    # weekly: runs at 8am UTC on Mondays
     - cron: "0 8 * * 1"
 
 jobs:
@@ -26,13 +27,13 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Setup Miniforge Python 3.9
+      - name: Setup Miniforge Python 3.11
         uses: conda-incubator/setup-miniconda@v3
         with:
           environment-file: environment.yml
           miniforge-variant: Miniforge3
           miniforge-version: latest
-          python-version: "3.9"
+          python-version: "3.11"
           activate-environment: rmg_env
           auto-update-conda: true
           show-channel-urls: true