From 0f8c6ffe9e904b71c710e48987080ef8b75cc8a2 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Sat, 25 Oct 2025 15:38:25 +0200
Subject: [PATCH] Run the bulk of pytest in parallel

---
 .github/workflows/ci.yml         | 3 ++-
 src/ifcopenshell-python/Makefile | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 98efade0ba..75c2a93e77 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -50,6 +50,7 @@ jobs:
           pip install xmlschema xsdata numpy lxml pytest isodate lark networkx tabulate python-dateutil shapely
           pip install src/bcf --no-deps
           pip install git+https://github.com/zdhoward/aud
+          pip install pytest-xdist==3.8.0
 
       - name: Install C++ dependencies
         run: |
@@ -143,7 +144,7 @@ jobs:
           mv ifcopenshell ifcopenshell-local # Force testing on installed module
           pip install -e ../ifcpatch --no-deps # Needed for sql.py tests.
           ERROR=0
-          make test || ERROR=1
+          make test-parallel || ERROR=1
           cd ../bcf && make test || ERROR=1
           pip install requests
           cd ../bsdd && make test || ERROR=1
diff --git a/src/ifcopenshell-python/Makefile b/src/ifcopenshell-python/Makefile
index 17042a9693..13fb5d596c 100644
--- a/src/ifcopenshell-python/Makefile
+++ b/src/ifcopenshell-python/Makefile
@@ -76,6 +76,11 @@ build-urls:
 test:
 	pytest -p no:pytest-blender test --ignore=test/util/test_shape_builder.py
 
+.PHONY: test-parallel
+test-parallel:
+	@NPROCS=$$(nproc); \
+	pytest -p no:pytest-blender -n $$NPROCS test --ignore=test/util/test_shape_builder.py
+
 .PHONY: test-mathutils
 test-mathutils:
 	pytest -p no:pytest-blender test/util/test_shape_builder.py