def align(self, schedule: Schedule) -> Schedule:
"""Reallocate instructions according to the policy.
Only top-level sub-schedules are aligned. If sub-schedules are nested,
nested schedules are not recursively aligned.
Args:
schedule: Schedule to align.
Returns:
Schedule with reallocated instructions.
"""
instruction_duration_validation(self.duration)
if self.duration < schedule.duration:
return schedule
aligned = Schedule.initialize_from(schedule)
for ind, (_, child) in enumerate(schedule.children):
_t_center = self.duration * self._func(ind + 1)
_t0 = int(_t_center - 0.5 * child.duration)
if _t0 < 0 or _t0 > self.duration:
PulseError(
"Invalid schedule position t=%d is specified at index=%d" %
(_t0, ind))
aligned.insert(_t0, child, inplace=True)
return aligned
def align(self, schedule: Schedule) -> Schedule:
"""Reallocate instructions according to the policy.
Only top-level sub-schedules are aligned. If sub-schedules are nested,
nested schedules are not recursively aligned.
Args:
schedule: Schedule to align.
Returns:
Schedule with reallocated instructions.
"""
duration = self._context_params[0]
instruction_duration_validation(duration)
if duration < schedule.duration:
return schedule
aligned = Schedule()
for ind, (_, child) in enumerate(schedule._children):
_t_center = duration * self._func(ind + 1)
_t0 = int(_t_center - 0.5 * child.duration)
if _t0 < 0 or _t0 > duration:
PulseError('Invalid schedule position t=%d is specified at index=%d' % (_t0, ind))
aligned.insert(_t0, child, inplace=True)
return pad(aligned, aligned.channels, until=duration, inplace=True)
def _get_timeslots(schedule: ScheduleComponent) -> TimeSlots:
"""Generate timeslots from given schedule component.
Args:
schedule: Input schedule component.
Raises:
PulseError: When invalid schedule type is specified.
"""
if isinstance(schedule, Instruction):
duration = schedule.duration
instruction_duration_validation(duration)
timeslots = {channel: [(0, duration)] for channel in schedule.channels}
elif isinstance(schedule, Schedule):
timeslots = schedule.timeslots
else:
raise PulseError('Invalid schedule type {} is specified.'.format(type(schedule)))
return timeslots
def align(self, schedule: Schedule) -> Schedule:
"""Reallocate instructions according to the policy.
Only top-level sub-schedules are aligned. If sub-schedules are nested,
nested schedules are not recursively aligned.
Args:
schedule: Schedule to align.
Returns:
Schedule with reallocated instructions.
"""
duration = self._context_params[0]
instruction_duration_validation(duration)
total_duration = sum([child.duration for _, child in schedule._children])
if duration < total_duration:
return schedule
total_delay = duration - total_duration
if len(schedule._children) > 1:
# Calculate the interval in between sub-schedules.
# If the duration cannot be divided by the number of sub-schedules,
# the modulo is appended and prepended to the input schedule.
interval, mod = np.divmod(total_delay, len(schedule._children) - 1)
else:
interval = 0
mod = total_delay
# Calculate pre schedule delay
delay, mod = np.divmod(mod, 2)
aligned = Schedule()
# Insert sub-schedules with interval
_t0 = int(aligned.stop_time + delay + mod)
for _, child in schedule._children:
aligned.insert(_t0, child, inplace=True)
_t0 = int(aligned.stop_time + interval)
return pad(aligned, aligned.channels, until=duration, inplace=True)
