Increase number of CPUs in CI

Author: adrien-berchet

.gitlab-ci.yml

@@ -13,22 +13,17 @@ include:
         - /ci/jobs/publish-docs.yml
         - /ci/jobs/tag.yml
 
-docs:
-  variables:
-    EXTRA_MODULES: archive/2021-05:py-mpi4py
-
-lint:
-  variables:
-    EXTRA_MODULES: archive/2021-05:py-mpi4py
+variables:
+  EXTRA_MODULES: archive/2021-05:py-mpi4py
 
 py36:
   variables:
-    EXTRA_MODULES: archive/2021-05:py-mpi4py
+    bb5_cpus_per_task: 6
 
 py37:
   variables:
-    EXTRA_MODULES: archive/2021-05:py-mpi4py
+    bb5_cpus_per_task: 6
 
 py38:
   variables:
-    EXTRA_MODULES: archive/2021-05:py-mpi4py
+    bb5_cpus_per_task: 6

tox.ini

@@ -7,6 +7,7 @@ testdeps =
     pytest-benchmark
     pytest-cov
     pytest-html
+    pytest-xdist
 
 [tox]
 envlist =
@@ -24,6 +25,7 @@ commands_pre =
     ipcluster start -n 2 --daemonize --log-to-file --cluster-id={[base]name}_{envname} --debug
 commands =
     pytest \
+    -n 2 \
     --basetemp={envtmpdir} \
     --cov={[base]name} \
     --cov-branch \