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from b_asic.core_operations import Addition, Butterfly, ConstantMultiplication
from b_asic.core_schedulers import (
ALAPScheduler,
ASAPScheduler,
EarliestDeadlineScheduler,
)
from b_asic.sfg_generators import direct_form_1_iir, radix_2_dif_fft
class TestASAPScheduler:
def test_empty_sfg(self, sfg_empty):
with pytest.raises(
ValueError, match="Empty signal flow graph cannot be scheduled."
):
Schedule(sfg_empty, scheduler=ASAPScheduler())
def test_direct_form_1_iir(self):
sfg = direct_form_1_iir([1, 2, 3], [4, 5, 6])
sfg.set_latency_of_type(ConstantMultiplication.type_name(), 2)
sfg.set_execution_time_of_type(ConstantMultiplication.type_name(), 1)
sfg.set_latency_of_type(Addition.type_name(), 3)
sfg.set_execution_time_of_type(Addition.type_name(), 1)
schedule = Schedule(sfg, scheduler=ASAPScheduler())
assert schedule.start_times == {
"in0": 0,
"cmul0": 0,
"cmul1": 0,
"cmul2": 0,
"cmul3": 0,
"cmul4": 0,
"add3": 2,
"add1": 2,
"add0": 5,
"add2": 8,
"out0": 11,
}
assert schedule.schedule_time == 11
def test_direct_form_2_iir(self, sfg_direct_form_iir_lp_filter):
sfg_direct_form_iir_lp_filter.set_latency_of_type(Addition.type_name(), 5)
sfg_direct_form_iir_lp_filter.set_latency_of_type(
ConstantMultiplication.type_name(), 4
)
schedule = Schedule(sfg_direct_form_iir_lp_filter, scheduler=ASAPScheduler())
"in0": 0,
"cmul1": 0,
"cmul4": 0,
"cmul2": 0,
"cmul3": 0,
"add3": 4,
"add1": 4,
"add0": 9,
"cmul0": 14,
"add2": 18,
"out0": 23,
}
assert schedule.schedule_time == 23
def test_direct_form_2_iir_with_scheduling_time(
self, sfg_direct_form_iir_lp_filter
):
sfg_direct_form_iir_lp_filter.set_latency_of_type(Addition.type_name(), 5)
sfg_direct_form_iir_lp_filter.set_latency_of_type(
ConstantMultiplication.type_name(), 4
)
schedule = Schedule(
sfg_direct_form_iir_lp_filter, scheduler=ASAPScheduler(), schedule_time=30
)
"in0": 0,
"cmul1": 0,
"cmul4": 0,
"cmul2": 0,
"cmul3": 0,
"add3": 4,
"add1": 4,
"add0": 9,
"cmul0": 14,
"add2": 18,
"out0": 23,
}
assert schedule.schedule_time == 30
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def test_radix_2_fft_8_points(self):
sfg = radix_2_dif_fft(points=8)
sfg.set_latency_of_type(ConstantMultiplication.type_name(), 2)
sfg.set_execution_time_of_type(ConstantMultiplication.type_name(), 1)
sfg.set_latency_of_type(Butterfly.type_name(), 1)
sfg.set_execution_time_of_type(Butterfly.type_name(), 1)
schedule = Schedule(sfg, scheduler=ASAPScheduler())
assert schedule.start_times == {
"in0": 0,
"in1": 0,
"in2": 0,
"in3": 0,
"in4": 0,
"in5": 0,
"in6": 0,
"in7": 0,
"bfly0": 0,
"bfly6": 0,
"bfly8": 0,
"bfly11": 0,
"cmul3": 1,
"bfly7": 1,
"cmul2": 1,
"bfly1": 1,
"cmul0": 1,
"cmul4": 2,
"bfly9": 2,
"bfly5": 3,
"bfly2": 3,
"out0": 3,
"out4": 3,
"bfly10": 4,
"cmul1": 4,
"bfly3": 4,
"out1": 5,
"out2": 5,
"out5": 5,
"out6": 5,
"bfly4": 6,
"out3": 7,
"out7": 7,
}
assert schedule.schedule_time == 7
class TestALAPScheduler:
def test_empty_sfg(self, sfg_empty):
with pytest.raises(
ValueError, match="Empty signal flow graph cannot be scheduled."
):
Schedule(sfg_empty, scheduler=ALAPScheduler())
def test_direct_form_1_iir(self):
sfg = direct_form_1_iir([1, 2, 3], [4, 5, 6])
sfg.set_latency_of_type(ConstantMultiplication.type_name(), 2)
sfg.set_execution_time_of_type(ConstantMultiplication.type_name(), 1)
sfg.set_latency_of_type(Addition.type_name(), 3)
sfg.set_execution_time_of_type(Addition.type_name(), 1)
schedule = Schedule(sfg, scheduler=ALAPScheduler())
assert schedule.start_times == {
"cmul3": 0,
"cmul4": 0,
"add1": 2,
"in0": 3,
"cmul0": 3,
"cmul1": 3,
"cmul2": 3,
"add3": 5,
"add0": 5,
"add2": 8,
"out0": 11,
}
assert schedule.schedule_time == 11
def test_direct_form_2_iir(self, sfg_direct_form_iir_lp_filter):
sfg_direct_form_iir_lp_filter.set_latency_of_type(Addition.type_name(), 5)
sfg_direct_form_iir_lp_filter.set_latency_of_type(
ConstantMultiplication.type_name(), 4
)
schedule = Schedule(sfg_direct_form_iir_lp_filter, scheduler=ALAPScheduler())
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"cmul3": 0,
"cmul4": 0,
"add1": 4,
"in0": 9,
"cmul2": 9,
"cmul1": 9,
"add0": 9,
"add3": 13,
"cmul0": 14,
"add2": 18,
"out0": 23,
}
assert schedule.schedule_time == 23
def test_direct_form_2_iir_with_scheduling_time(
self, sfg_direct_form_iir_lp_filter
):
sfg_direct_form_iir_lp_filter.set_latency_of_type(Addition.type_name(), 5)
sfg_direct_form_iir_lp_filter.set_latency_of_type(
ConstantMultiplication.type_name(), 4
)
schedule = Schedule(
sfg_direct_form_iir_lp_filter, scheduler=ALAPScheduler(), schedule_time=30
)
"cmul3": 7,
"cmul4": 7,
"add1": 11,
"in0": 16,
"cmul2": 16,
"cmul1": 16,
"add0": 16,
"add3": 20,
"cmul0": 21,
"add2": 25,
"out0": 30,
}
assert schedule.schedule_time == 30
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def test_radix_2_fft_8_points(self):
sfg = radix_2_dif_fft(points=8)
sfg.set_latency_of_type(ConstantMultiplication.type_name(), 2)
sfg.set_execution_time_of_type(ConstantMultiplication.type_name(), 1)
sfg.set_latency_of_type(Butterfly.type_name(), 1)
sfg.set_execution_time_of_type(Butterfly.type_name(), 1)
schedule = Schedule(sfg, scheduler=ALAPScheduler())
assert schedule.start_times == {
"in3": 0,
"in7": 0,
"in1": 0,
"in5": 0,
"bfly6": 0,
"bfly8": 0,
"cmul2": 1,
"cmul3": 1,
"in2": 2,
"in6": 2,
"bfly11": 2,
"bfly7": 3,
"cmul0": 3,
"bfly5": 3,
"in0": 4,
"in4": 4,
"cmul4": 4,
"cmul1": 4,
"bfly0": 4,
"bfly1": 5,
"bfly2": 5,
"bfly9": 6,
"bfly10": 6,
"bfly3": 6,
"bfly4": 6,
"out0": 7,
"out1": 7,
"out2": 7,
"out3": 7,
"out4": 7,
"out5": 7,
"out6": 7,
"out7": 7,
}
assert schedule.schedule_time == 7
class TestEarliestDeadlineScheduler:
def test_empty_sfg(self, sfg_empty):
with pytest.raises(
ValueError, match="Empty signal flow graph cannot be scheduled."
):
Schedule(sfg_empty, scheduler=EarliestDeadlineScheduler())
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def test_direct_form_1_iir(self):
sfg = direct_form_1_iir([1, 2, 3], [4, 5, 6])
sfg.set_latency_of_type(ConstantMultiplication.type_name(), 2)
sfg.set_execution_time_of_type(ConstantMultiplication.type_name(), 1)
sfg.set_latency_of_type(Addition.type_name(), 3)
sfg.set_execution_time_of_type(Addition.type_name(), 1)
resources = {Addition.type_name(): 1, ConstantMultiplication.type_name(): 1}
schedule = Schedule(
sfg, scheduler=EarliestDeadlineScheduler(max_resources=resources)
)
assert schedule.start_times == {
"cmul4": 0,
"cmul3": 1,
"in0": 2,
"cmul0": 2,
"add1": 3,
"cmul1": 3,
"cmul2": 4,
"add3": 6,
"add0": 7,
"add2": 10,
"out0": 13,
}
assert schedule.schedule_time == 13
def test_direct_form_2_iir_inf_resources_no_exec_time(
self, sfg_direct_form_iir_lp_filter
):
sfg_direct_form_iir_lp_filter.set_latency_of_type(Addition.type_name(), 5)
sfg_direct_form_iir_lp_filter.set_latency_of_type(
ConstantMultiplication.type_name(), 4
)
schedule = Schedule(
sfg_direct_form_iir_lp_filter, scheduler=EarliestDeadlineScheduler()
)
# should be the same as for ASAP due to infinite resources, except for input
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"in0": 9,
"cmul1": 0,
"cmul4": 0,
"cmul2": 0,
"cmul3": 0,
"add3": 4,
"add1": 4,
"add0": 9,
"cmul0": 14,
"add2": 18,
"out0": 23,
}
assert schedule.schedule_time == 23
def test_direct_form_2_iir_1_add_1_mul_no_exec_time(
self, sfg_direct_form_iir_lp_filter
):
sfg_direct_form_iir_lp_filter.set_latency_of_type(Addition.type_name(), 5)
sfg_direct_form_iir_lp_filter.set_latency_of_type(
ConstantMultiplication.type_name(), 4
)
max_resources = {ConstantMultiplication.type_name(): 1, Addition.type_name(): 1}
schedule = Schedule(
sfg_direct_form_iir_lp_filter,
scheduler=EarliestDeadlineScheduler(max_resources),
)
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"cmul4": 0,
"cmul3": 4,
"cmul1": 8,
"add1": 8,
"cmul2": 12,
"in0": 13,
"add0": 13,
"add3": 18,
"cmul0": 18,
"add2": 23,
"out0": 28,
}
assert schedule.schedule_time == 28
def test_direct_form_2_iir_1_add_1_mul_exec_time_1(
self, sfg_direct_form_iir_lp_filter
):
sfg_direct_form_iir_lp_filter.set_latency_of_type(
ConstantMultiplication.type_name(), 3
)
sfg_direct_form_iir_lp_filter.set_latency_of_type(Addition.type_name(), 2)
sfg_direct_form_iir_lp_filter.set_execution_time_of_type(
ConstantMultiplication.type_name(), 1
)
sfg_direct_form_iir_lp_filter.set_execution_time_of_type(
Addition.type_name(), 1
)
max_resources = {ConstantMultiplication.type_name(): 1, Addition.type_name(): 1}
schedule = Schedule(
sfg_direct_form_iir_lp_filter,
scheduler=EarliestDeadlineScheduler(max_resources),
)
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"cmul4": 0,
"cmul3": 1,
"cmul1": 2,
"cmul2": 3,
"add1": 4,
"in0": 6,
"add0": 6,
"add3": 7,
"cmul0": 8,
"add2": 11,
"out0": 13,
}
assert schedule.schedule_time == 13
def test_direct_form_2_iir_2_add_3_mul_exec_time_1(
self, sfg_direct_form_iir_lp_filter
):
sfg_direct_form_iir_lp_filter.set_latency_of_type(
ConstantMultiplication.type_name(), 3
)
sfg_direct_form_iir_lp_filter.set_latency_of_type(Addition.type_name(), 2)
sfg_direct_form_iir_lp_filter.set_execution_time_of_type(
ConstantMultiplication.type_name(), 1
)
sfg_direct_form_iir_lp_filter.set_execution_time_of_type(
Addition.type_name(), 1
)
max_resources = {ConstantMultiplication.type_name(): 3, Addition.type_name(): 2}
schedule = Schedule(
sfg_direct_form_iir_lp_filter,
scheduler=EarliestDeadlineScheduler(max_resources),
)
"cmul1": 0,
"cmul4": 0,
"cmul3": 0,
"cmul2": 1,
"add1": 3,
"add3": 4,
"in0": 5,
"add0": 5,
"cmul0": 7,
"add2": 10,
"out0": 12,
}
assert schedule.schedule_time == 12
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def test_radix_2_fft_8_points(self):
sfg = radix_2_dif_fft(points=8)
sfg.set_latency_of_type(ConstantMultiplication.type_name(), 2)
sfg.set_execution_time_of_type(ConstantMultiplication.type_name(), 1)
sfg.set_latency_of_type(Butterfly.type_name(), 1)
sfg.set_execution_time_of_type(Butterfly.type_name(), 1)
resources = {Butterfly.type_name(): 2, ConstantMultiplication.type_name(): 2}
schedule = Schedule(
sfg, scheduler=EarliestDeadlineScheduler(max_resources=resources)
)
assert schedule.start_times == {
"in1": 0,
"in3": 0,
"in5": 0,
"in7": 0,
"bfly6": 0,
"bfly8": 0,
"in2": 1,
"in6": 1,
"cmul2": 1,
"cmul3": 1,
"bfly11": 1,
"bfly7": 1,
"in0": 2,
"in4": 2,
"cmul0": 2,
"bfly0": 2,
"cmul4": 2,
"bfly5": 3,
"bfly1": 3,
"cmul1": 4,
"bfly2": 4,
"bfly9": 4,
"bfly10": 5,
"bfly3": 5,
"out0": 5,
"out4": 5,
"bfly4": 6,
"out1": 6,
"out2": 6,
"out5": 6,
"out6": 6,
"out7": 7,
"out3": 7,
}
assert schedule.schedule_time == 7