From 1b75a1c0d143543d779047a44c81258cfea954e0 Mon Sep 17 00:00:00 2001
From: Juan Ignacio Polanco <juan-ignacio.polanco@cnrs.fr>
Date: Fri, 13 Sep 2024 16:00:49 +0200
Subject: [PATCH 1/3] CI: add tests on M1 macos

---
 .github/workflows/ci.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7c70b6e2b..d8d6a180b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,6 +34,11 @@ jobs:
             os: ubuntu-24.04
             experimental: true
             arch: x64
+          # Out of curiosity: does it run on apple M1? (ARM-based)
+          - julia-version: 'pre'
+            os: macos-14
+            experimental: true
+
     steps:
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v2

From 415b321922cd7dcb928e72c1f09b237787245a56 Mon Sep 17 00:00:00 2001
From: Juan Ignacio Polanco <juan-ignacio.polanco@cnrs.fr>
Date: Fri, 13 Sep 2024 16:13:51 +0200
Subject: [PATCH 2/3] Try to fix CI

---
 .github/workflows/ci.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d8d6a180b..26c2a8299 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,6 +38,7 @@ jobs:
           - julia-version: 'pre'
             os: macos-14
             experimental: true
+            arch: aarch64
 
     steps:
       - uses: actions/checkout@v4
@@ -74,6 +75,7 @@ jobs:
       #     files: lcov.info
 
       - name: Generate coverage HTML
+        if: runner.os == 'Linux'
         run: |
           sudo apt-get update -qq
           sudo apt-get install -qq lcov  # provides genhtml

From 0a3bb6a162ff4e0bb763d8d03aaf6f1d79736b1d Mon Sep 17 00:00:00 2001
From: Juan Ignacio Polanco <juan-ignacio.polanco@cnrs.fr>
Date: Fri, 13 Sep 2024 16:26:49 +0200
Subject: [PATCH 3/3] Try to use 3 threads on macos

---
 .github/workflows/ci.yml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 26c2a8299..8aa589e01 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,13 +10,15 @@ on:
       - master
     tags: '*'
 
+# See https://docs.github.com/en/actions/using-github-hosted-runners/using-github-hosted-runners/about-github-hosted-runners#standard-github-hosted-runners-for-public-repositories
+# for available runners
 jobs:
   test:
     name: Julia ${{ matrix.julia-version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
     runs-on: ${{ matrix.os }}
     continue-on-error: ${{ matrix.experimental }}
     env:
-      JULIA_NUM_THREADS: 4
+      JULIA_NUM_THREADS: 4  # Linux runners have 4 CPUs available
       JULIA_DISABLE_JET_KA_TESTS: true  # disable JET.jl tests involving KernelAbstractions kernels (they generally fail...)
     strategy:
       fail-fast: true
@@ -34,9 +36,10 @@ jobs:
             os: ubuntu-24.04
             experimental: true
             arch: x64
-          # Out of curiosity: does it run on apple M1? (ARM-based)
+          # Does it run on apple M1? (ARM-based)
           - julia-version: 'pre'
             os: macos-14
+            env: JULIA_NUM_THREADS=3  # macos-14 runners have 3 CPUs available
             experimental: true
             arch: aarch64