def _assemble_instructions(
schedule: Schedule, instruction_converter: InstructionToQobjConverter,
run_config: RunConfig,
user_pulselib: Dict[str,
Command]) -> Tuple[List[PulseQobjInstruction], int]:
"""Assembles the instructions in a schedule into a list of PulseQobjInstructions and returns
related metadata that will be assembled into the Qobj configuration. Lookup table for
pulses defined in all experiments are registered in ``user_pulselib``. This object should be
mutable python dictionary so that items are properly updated after each instruction assemble.
The dictionary is not returned to avoid redundancy.
Args:
schedule: Schedule to assemble.
instruction_converter: A converter instance which can convert PulseInstructions to
PulseQobjInstructions.
run_config: Configuration of the runtime environment.
user_pulselib: User pulse library from previous schedule.
Returns:
A list of converted instructions, the user pulse library dictionary (from pulse name to
pulse command), and the maximum number of readout memory slots used by this Schedule.
"""
max_memory_slot = 0
qobj_instructions = []
acquire_instruction_map = defaultdict(list)
for time, instruction in schedule.instructions:
if isinstance(instruction, ParametricInstruction): # deprecated
instruction = Play(instruction.command,
instruction.channels[0],
name=instruction.name)
if isinstance(instruction, Play) and isinstance(
instruction.pulse, ParametricPulse):
pulse_shape = ParametricPulseShapes(type(instruction.pulse)).name
if pulse_shape not in run_config.parametric_pulses:
instruction = Play(instruction.pulse.get_sample_pulse(),
instruction.channel,
name=instruction.name)
if isinstance(instruction, PulseInstruction): # deprecated
instruction = Play(SamplePulse(
name=name, samples=instruction.command.samples),
instruction.channels[0],
name=name)
if isinstance(instruction, Play) and isinstance(
instruction.pulse, SamplePulse):
name = hashlib.sha256(instruction.pulse.samples).hexdigest()
instruction = Play(SamplePulse(name=name,
samples=instruction.pulse.samples),
channel=instruction.channel,
name=name)
user_pulselib[name] = instruction.pulse.samples
if isinstance(instruction, (AcquireInstruction, Acquire)):
max_memory_slot = max(
max_memory_slot,
*[slot.index for slot in instruction.mem_slots])
# Acquires have a single AcquireChannel per inst, but we have to bundle them
# together into the Qobj as one instruction with many channels
acquire_instruction_map[(time,
instruction.command)].append(instruction)
continue
if isinstance(instruction, (DelayInstruction, Delay)):
# delay instructions are ignored as timing is explicit within qobj
continue
qobj_instructions.append(instruction_converter(time, instruction))
if acquire_instruction_map:
if hasattr(run_config, 'meas_map'):
_validate_meas_map(acquire_instruction_map, run_config.meas_map)
for (time, _), instructions in acquire_instruction_map.items():
qubits, mem_slots, reg_slots = _bundle_channel_indices(
instructions)
qobj_instructions.append(
instruction_converter.convert_single_acquires(
time,
instructions[0],
qubits=qubits,
memory_slot=mem_slots,
register_slot=reg_slots))
return qobj_instructions, max_memory_slot
def _assemble_instructions(
schedule: Schedule, instruction_converter: InstructionToQobjConverter,
run_config: RunConfig
) -> Tuple[List[PulseQobjInstruction], Dict[str, Command], int]:
"""Assembles the instructions in a schedule into a list of PulseQobjInstructions and returns
related metadata that will be assembled into the Qobj configuration.
Args:
schedule: Schedule to assemble.
instruction_converter: A converter instance which can convert PulseInstructions to
PulseQobjInstructions.
run_config: Configuration of the runtime environment.
Returns:
A list of converted instructions, the user pulse library dictionary (from pulse name to
pulse command), and the maximum number of readout memory slots used by this Schedule.
"""
max_memory_slot = 0
qobj_instructions = []
user_pulselib = {}
acquire_instruction_map = defaultdict(list)
for time, instruction in schedule.instructions:
if isinstance(instruction, ParametricInstruction):
pulse_shape = ParametricPulseShapes(type(instruction.command)).name
if pulse_shape not in run_config.parametric_pulses:
# Convert to SamplePulse if the backend does not support it
instruction = PulseInstruction(
instruction.command.get_sample_pulse(),
instruction.channels[0],
name=instruction.name)
if isinstance(instruction, PulseInstruction):
name = instruction.command.name
if name in user_pulselib and instruction.command != user_pulselib[
name]:
name = "{0}-{1:x}".format(
name, hash(instruction.command.samples.tostring()))
instruction = PulseInstruction(command=SamplePulse(
name=name, samples=instruction.command.samples),
name=instruction.name,
channel=instruction.channels[0])
# add samples to pulse library
user_pulselib[name] = instruction.command
if isinstance(instruction, AcquireInstruction):
max_memory_slot = max(
max_memory_slot,
*[slot.index for slot in instruction.mem_slots])
# Acquires have a single AcquireChannel per inst, but we have to bundle them
# together into the Qobj as one instruction with many channels
acquire_instruction_map[(time,
instruction.command)].append(instruction)
continue
if isinstance(instruction, DelayInstruction):
# delay instructions are ignored as timing is explicit within qobj
continue
qobj_instructions.append(instruction_converter(time, instruction))
if acquire_instruction_map:
if hasattr(run_config, 'meas_map'):
_validate_meas_map(acquire_instruction_map, run_config.meas_map)
for (time, _), instructions in acquire_instruction_map.items():
qubits, mem_slots, reg_slots = _bundle_channel_indices(
instructions)
qobj_instructions.append(
instruction_converter.convert_single_acquires(
time,
instructions[0],
qubits=qubits,
memory_slot=mem_slots,
register_slot=reg_slots))
return qobj_instructions, user_pulselib, max_memory_slot