diff --git a/examples/secondorderdirectformiir_architecture.py b/examples/secondorderdirectformiir_architecture.py index cd2d62c0e61f442a0ddfcb6b8cea948630fc61c8..f10fa45f20701a0d31185bb3685b560850876d3c 100644 --- a/examples/secondorderdirectformiir_architecture.py +++ b/examples/secondorderdirectformiir_architecture.py @@ -1,7 +1,7 @@ """ -===================================== -Second-order IIR Filter with Schedule -===================================== +========================================= +Second-order IIR Filter with Architecture +========================================= """ @@ -14,7 +14,6 @@ from b_asic.special_operations import Delay, Input, Output in1 = Input("IN1") c0 = ConstantMultiplication(5, in1, "C0") add1 = Addition(c0, None, "ADD1") -# Not sure what operation "Q" is supposed to be in the example T1 = Delay(add1, 0, "T1") T2 = Delay(T1, 0, "T2") b2 = ConstantMultiplication(0.2, T2, "B2") @@ -39,37 +38,50 @@ sfg.set_execution_time_of_type(Addition.type_name(), 1) # %% # Create schedule - schedule = Schedule(sfg, cyclic=True) schedule.show() -# Rescheudle +# %% +# Rescheudle to only require one adder and one multiplier schedule.move_operation('add4', 3) -schedule.move_operation('cmul5', -1) -schedule.move_operation('cmul4', -1) -schedule.move_operation('cmul5', -3) -schedule.move_operation('cmul4', -3) -schedule.move_operation('cmul4', -1) -schedule.move_operation('cmul6', -1) -schedule.move_operation('cmul6', -1) +schedule.move_operation('cmul5', -5) +schedule.move_operation('cmul4', -4) +schedule.move_operation('cmul6', -2) schedule.move_operation('cmul3', 1) -schedule.move_operation('cmul4', 1) -schedule.move_operation('cmul5', -1) +schedule.show() -# ARch +# %% +# Extract operations and create processing elements operations = schedule.get_operations() adders = operations.get_by_type_name('add') +adders.show() mults = operations.get_by_type_name('cmul') +mults.show() inputs = operations.get_by_type_name('in') +inputs.show() outputs = operations.get_by_type_name('out') +outputs.show() + p1 = ProcessingElement(adders, entity_name="adder") p2 = ProcessingElement(mults, entity_name="cmul") p_in = ProcessingElement(inputs, entity_name='in') p_out = ProcessingElement(outputs, entity_name='out') +# %% +# Extract memory variables # Memories mem_vars = schedule.get_memory_variables() +mem_vars.show() direct, mem_vars = mem_vars.split_on_length() -mem = Memory(mem_vars, entity_name="memory") +direct.show() +mem_vars.show() +mem_vars_set = mem_vars.split_on_ports(read_ports=1, write_ports=1, total_ports=1) -arch = Architecture({p1, p2, p_in, p_out}, {mem}, direct_interconnects=direct) +memories = set() +for i, mem in enumerate(mem_vars_set): + memories.add(Memory(mem, entity_name=f"memory{i}")) + mem.show() + +# %% +# Create architecture +arch = Architecture({p1, p2, p_in, p_out}, memories, direct_interconnects=direct)