diff --git a/b_asic/signal_flow_graph.py b/b_asic/signal_flow_graph.py index c4a6545d9b385660218c4134816626e8fac1e563..bacdb6295e8eabbda57cf7f3836291791701a9d0 100644 --- a/b_asic/signal_flow_graph.py +++ b/b_asic/signal_flow_graph.py @@ -1451,3 +1451,9 @@ class SFG(AbstractOperation): if format is not None: dg.format = format dg.view() + + def critical_path(self): + # Import here needed to avoid circular imports + from b_asic.schedule import Schedule + + return Schedule(self, scheduling_algorithm="ASAP").schedule_time diff --git a/test/test_sfg.py b/test/test_sfg.py index 00079b7daec11c113de88db23b282b9947279d4d..57ddc39b3b1eee047b661d65b0a64ce97c5e26df 100644 --- a/test/test_sfg.py +++ b/test/test_sfg.py @@ -1559,3 +1559,11 @@ class TestSFGErrors: match=re.escape("Output index out of range (expected 0-0, got 1)"), ): sfg.inputs_required_for_output(1) + + +class TestCriticalPath: + def test_single_accumulator(self, sfg_simple_accumulator: SFG): + sfg_simple_accumulator.set_latency_of_type(Addition.type_name(), 5) + sfg_simple_accumulator.inputs[0].latency_offset = 0 + sfg_simple_accumulator.outputs[0].latency_offset = 0 + assert sfg_simple_accumulator.critical_path() == 5