Trigger-Discipline: parallelize result plotting

parallel_plot_helper.py

@@ -0,0 +1,12 @@
+import multiprocessing
+
+
+def run_plot_task(task):
+    func, args = task
+    return func(*args)
+
+
+def run_plot_tasks_parallel(plot_tasks):
+    ctx = multiprocessing.get_context('fork')
+    with ctx.Pool() as pool:
+        pool.map(run_plot_task, plot_tasks)