drop spurious debugging lines

src/sched_policies/component_stage.c

@@ -0,0 +1,59 @@
+/* StarPU --- Runtime system for heterogeneous multicore architectures.
+ *
+ * Copyright (C) 2019                                     Université de Bordeaux
+ *
+ * StarPU is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at
+ * your option) any later version.
+ *
+ * StarPU is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * See the GNU Lesser General Public License in COPYING.LGPL for more details.
+ */
+
+/* This component takes tasks from its parents in the parent order.
+ * It can be useful to make scheduling stages, pushing tasks of different stages
+ * to different schedulers, and this component will pick them up in the right
+ * order. */
+
+#include <starpu_sched_component.h>
+#include <starpu_scheduler.h>
+
+static int stage_push_task(struct starpu_sched_component * component, struct starpu_task * task)
+{
+	_STARPU_DISP("stage component is not supposed to be pushed to...\n");
+	STARPU_ASSERT(component->nchildren == 1);
+	return starpu_sched_component_push_task(component, component->children[0], task);
+}
+
+static int stage_can_push(struct starpu_sched_component * component, struct starpu_sched_component * to STARPU_ATTRIBUTE_UNUSED)
+{
+	_STARPU_DISP("stage component is not supposed to be pushed to...\n");
+	return starpu_sched_component_can_push(component, to);
+}
+
+static struct starpu_task * stage_pull_task(struct starpu_sched_component * component, struct starpu_sched_component * to STARPU_ATTRIBUTE_UNUSED)
+{
+	struct starpu_task *task;
+	task = starpu_sched_component_parents_pull_task(component, to);
+	return task;
+}
+
+int starpu_sched_component_is_stage(struct starpu_sched_component * component)
+{
+	return component->push_task == stage_push_task;
+}
+
+struct starpu_sched_component * starpu_sched_component_stage_create(struct starpu_sched_tree *tree, void *args STARPU_ATTRIBUTE_UNUSED)
+{
+	struct starpu_sched_component *component = starpu_sched_component_create(tree, "stage");
+	component->push_task = stage_push_task;
+	/* The default implementation happens to be doing staged pull from parents */
+	component->pull_task = stage_pull_task;
+	component->can_push = stage_can_push;
+
+	return component;
+}