From beb05b82d381f9344e724752c2fb61dc38da9a6d Mon Sep 17 00:00:00 2001
From: Aaron Jomy <aaronjomyjoseph@gmail.com>
Date: Tue, 3 Feb 2026 14:27:06 +0100
Subject: [PATCH] [ci] Run Cppyy tests in multithreaded mode

---
 .github/actions/Build_and_Test_cppyy/action.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/actions/Build_and_Test_cppyy/action.yml b/.github/actions/Build_and_Test_cppyy/action.yml
index b4c890cfd..28f340c56 100644
--- a/.github/actions/Build_and_Test_cppyy/action.yml
+++ b/.github/actions/Build_and_Test_cppyy/action.yml
@@ -82,13 +82,13 @@ runs:
         echo ::endgroup::
         echo ::group::Run complete test suite
         set -o pipefail
-        python -m pytest -sv -ra | tee complete_testrun.log 2>&1
+        python -m pytest -sv -ra -n ${{ env.ncpus }} | tee complete_testrun.log 2>&1
         set +o pipefail
         echo ::group::Crashing Test Logs
         # See if we don't have a crash that went away
         # Comment out all xfails but the ones that have a run=False condition.
         find . -name "*.py" -exec sed -i '/run=False/!s/^ *@mark.xfail\(.*\)/#&/' {} \;
-        python -m pytest -n 1 -m "xfail" --runxfail -sv -ra --max-worker-restart 512 | tee test_crashed.log 2>&1 || true
+        python -m pytest -n ${{ env.ncpus }} -m "xfail" --runxfail -sv -ra --max-worker-restart 512 | tee test_crashed.log 2>&1 || true
         git checkout .
         echo ::endgroup::
         echo ::group::XFAIL Test Logs
@@ -96,7 +96,7 @@ runs:
         # avoid conditionally crashing xfails
         find . -name "*.py" -exec sed -i -E 's/(^ *)@mark.xfail\(run=(.*)/\1@mark.skipif(condition=not \2/g' {} \;
         # See if we don't have an xfail that went away
-        python -m pytest --runxfail -sv -ra  | tee test_xfailed.log 2>&1 || true
+        python -m pytest --runxfail -sv -ra -n ${{ env.ncpus }} | tee test_xfailed.log 2>&1 || true
         git checkout .
         echo ::endgroup::
         echo ::group::Passing Test Logs
@@ -122,7 +122,7 @@ runs:
             SUPPRESSION_FILE="../etc/${CLANG_INTERPRETER}${CLANG_VERSION}-valgrind.supp"
           fi
           export IS_VALGRIND=true
-          valgrind --show-error-list=yes --error-exitcode=1 --track-origins=yes --gen-suppressions=all --suppressions="${SUPPRESSION_FILE}" --suppressions=../etc/valgrind-cppyy-cling.supp python -m pytest -m "not xfail" -sv -ra --ignore=test_leakcheck.py
+          valgrind --show-error-list=yes --error-exitcode=1 --track-origins=yes --gen-suppressions=all --suppressions="${SUPPRESSION_FILE}" --suppressions=../etc/valgrind-cppyy-cling.supp python -m pytest -m "not xfail" -sv -ra -n ${{ env.ncpus }} --ignore=test_leakcheck.py
           unset IS_VALGRIND
         fi
         export RETCODE=+$?