Always at least 1 task per node. I.e. even on a 2-core node, if we us…

…e 1/4 node, we should launch 1 task
casparvl · Jun 28, 2024 · 00c4795 · 00c4795
1 parent 70b1008
commit 00c4795
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/eessi/testsuite/hooks.py b/eessi/testsuite/hooks.py
@@ -241,8 +241,9 @@ def _assign_one_task_per_cpu(test: rfm.RegressionTest):
     # neither num_tasks_per_node nor num_cpus_per_task are set
     if not test.num_tasks_per_node and not test.num_cpus_per_task:
         check_proc_attribute_defined(test, 'num_cpus_per_core')
-        test.num_tasks_per_node = int(
-            test.default_num_cpus_per_node / test.current_partition.processor.num_cpus_per_core
+        test.num_tasks_per_node = min(
+            int(test.default_num_cpus_per_node / test.current_partition.processor.num_cpus_per_core),
+            1
         )
         test.num_cpus_per_task = int(test.default_num_cpus_per_node / test.num_tasks_per_node)