# Repository: https://gitlab.com/quantify-os/quantify-scheduler
# Licensed according to the LICENCE file on the main branch
"""Compiler base and utility classes for Qblox backend."""
# pylint: disable=too-many-lines
from __future__ import annotations
import json
import logging
from abc import ABC, ABCMeta, abstractmethod
from collections import defaultdict, deque
from functools import partial
from os import makedirs, path
from typing import Any, Callable, Dict, List, Literal, Optional, Set, Tuple, Union
from pathvalidate import sanitize_filename
from qcodes.utils.helpers import NumpyJSONEncoder
from quantify_core.data.handling import gen_tuid, get_datadir
from quantify_scheduler.backends.qblox import (
constants,
driver_version_check,
helpers,
q1asm_instructions,
register_manager,
)
from quantify_scheduler.backends.qblox.operation_handling.acquisitions import (
AcquisitionStrategyPartial,
)
from quantify_scheduler.backends.qblox.operation_handling.base import IOperationStrategy
from quantify_scheduler.backends.qblox.operation_handling.factory import (
get_operation_strategy,
)
from quantify_scheduler.backends.qblox.qasm_program import QASMProgram
from quantify_scheduler.backends.types.qblox import (
BasebandModuleSettings,
BaseModuleSettings,
OpInfo,
PulsarRFSettings,
PulsarSettings,
RFModuleSettings,
SequencerSettings,
StaticHardwareProperties,
)
from quantify_scheduler.enums import BinMode
from quantify_scheduler.helpers.schedule import (
_extract_acquisition_metadata_from_acquisitions,
)
[docs]logger = logging.getLogger(__name__)
logger.setLevel(logging.WARNING)
[docs]class InstrumentCompiler(ABC):
"""
Abstract base class that defines a generic instrument compiler. The subclasses that
inherit from this are meant to implement the compilation steps needed to compile the
lists of :class:`quantify_scheduler.backends.types.qblox.OpInfo` representing the
pulse and acquisition information to device-specific instructions.
Each device that needs to be part of the compilation process requires an associated
`InstrumentCompiler`.
"""
def __init__(
self,
parent, # No type hint due to circular import, added to docstring
name: str,
total_play_time: float,
hw_mapping: Dict[str, Any],
latency_corrections: Optional[Dict[str, float]] = None,
):
# pylint: disable=line-too-long
"""
Constructor for an InstrumentCompiler object.
Parameters
----------
parent: :class:`~quantify_scheduler.backends.qblox.compiler_container.CompilerContainer`
Reference to the parent object.
name
Name of the `QCoDeS` instrument this compiler object corresponds to.
total_play_time
Total time execution of the schedule should go on for. This parameter is
used to ensure that the different devices, potentially with different clock
rates, can work in a synchronized way when performing multiple executions of
the schedule.
hw_mapping
The hardware configuration dictionary for this specific device. This is one
of the inner dictionaries of the overall hardware config.
latency_corrections
Dict containing the delays for each port-clock combination. This is specified in
the top layer of hardware config.
"""
self.parent = parent
self.name = name
self.total_play_time = total_play_time
self.hw_mapping = hw_mapping
self.latency_corrections = latency_corrections or {}
[docs] def prepare(self) -> None:
"""
Method that can be overridden to implement logic before the main compilation
starts. This step is to extract all settings for the devices that are dependent
on settings of other devices. This step happens after instantiation of the
compiler object but before the start of the main compilation.
"""
@abstractmethod
[docs] def compile(self, repetitions: int) -> Any:
"""
An abstract method that should be overridden in a subclass to implement the
actual compilation. It should turn the pulses and acquisitions added to the
device into device-specific instructions.
Parameters
----------
repetitions
Number of times execution of the schedule is repeated.
Returns
-------
:
A data structure representing the compiled program. The type is
dependent on implementation.
"""
[docs]class ControlDeviceCompiler(InstrumentCompiler, metaclass=ABCMeta):
"""
Abstract class for any device requiring logic for acquisition and playback of
pulses.
"""
def __init__(
self,
parent, # No type hint due to circular import, added to docstring
name: str,
total_play_time: float,
hw_mapping: Dict[str, Any],
latency_corrections: Optional[Dict[str, float]] = None,
):
# pylint: disable=line-too-long
"""
Constructor for a ControlDeviceCompiler object.
Parameters
----------
parent: :class:`~quantify_scheduler.backends.qblox.compiler_container.CompilerContainer`
Reference to the parent object.
name
Name of the `QCoDeS` instrument this compiler object corresponds to.
total_play_time
Total time execution of the schedule should go on for. This parameter is
used to ensure that the different devices, potentially with different clock
rates, can work in a synchronized way when performing multiple executions of
the schedule.
hw_mapping
The hardware configuration dictionary for this specific device. This is one
of the inner dictionaries of the overall hardware config.
latency_corrections
Dict containing the delays for each port-clock combination. This is specified in
the top layer of hardware config.
"""
super().__init__(parent, name, total_play_time, hw_mapping, latency_corrections)
self._pulses = defaultdict(list)
self._acquisitions = defaultdict(list)
@property
@abstractmethod
[docs] def supports_acquisition(self) -> bool:
"""
Specifies whether the device can perform acquisitions.
Returns
-------
:
The maximum amount of sequencers
"""
[docs] def add_pulse(self, port: str, clock: str, pulse_info: OpInfo):
"""
Assigns a certain pulse to this device.
Parameters
----------
port
The port the pulse needs to be sent to.
clock
The clock for modulation of the pulse. Can be a BasebandClock.
pulse_info
Data structure containing all the information regarding this specific pulse
operation.
"""
self._pulses[(port, clock)].append(pulse_info)
[docs] def add_acquisition(self, port: str, clock: str, acq_info: OpInfo):
"""
Assigns a certain acquisition to this device.
Parameters
----------
port
The port the pulse needs to be sent to.
clock
The clock for modulation of the pulse. Can be a BasebandClock.
acq_info
Data structure containing all the information regarding this specific
acquisition operation.
"""
if not self.supports_acquisition:
raise RuntimeError(
f"{self.__class__.__name__} {self.name} does not support acquisitions. "
f"Attempting to add acquisition {repr(acq_info)} "
f"on port {port} with clock {clock}."
)
self._acquisitions[(port, clock)].append(acq_info)
@property
[docs] def portclocks_with_data(self) -> Set[Tuple[str, str]]:
"""
All the port-clock combinations associated with at least one pulse and/or
acquisition.
Returns
-------
:
A set containing all the port-clock combinations that are used by this
InstrumentCompiler.
"""
portclocks_used = set()
portclocks_used.update(self._pulses.keys())
portclocks_used.update(self._acquisitions.keys())
return portclocks_used
@abstractmethod
[docs] def compile(self, repetitions: int = 1) -> Dict[str, Any]:
"""
An abstract method that should be overridden by a subclass to implement the
actual compilation. Method turns the pulses and acquisitions added to the device
into device-specific instructions.
Parameters
----------
repetitions
Number of times execution the schedule is repeated.
Returns
-------
:
A data structure representing the compiled program.
"""
# pylint: disable=too-many-instance-attributes
[docs]class Sequencer:
"""
Class that performs the compilation steps on the sequencer level.
"""
# pylint: disable=too-many-arguments
def __init__(
self,
parent: QbloxBaseModule,
name: str,
portclock: Tuple[str, str],
static_hw_properties: StaticHardwareProperties,
connected_outputs: Union[Tuple[int], Tuple[int, int]],
seq_settings: Dict[str, Any],
latency_corrections: Dict[str, float],
lo_name: Optional[str] = None,
downconverter: bool = False,
):
"""
Constructor for the sequencer compiler.
Parameters
----------
parent
A reference to the parent instrument this sequencer belongs to.
name
Name of the sequencer. This is supposed to match ``"seq{index}"``.
portclock
Tuple that specifies the unique port and clock combination for this
sequencer. The first value is the port, second is the clock.
seq_settings
Sequencer settings dictionary.
latency_corrections
Dict containing the delays for each port-clock combination.
lo_name
The name of the local oscillator instrument connected to the same output via
an IQ mixer. This is used for frequency calculations.
downconverter
Boolean which expresses whether a downconverter is being used or not.
Defaults to `False`, in case case no downconverter is being used.
"""
self.parent = parent
self._name = name
self.port = portclock[0]
self.clock = portclock[1]
self.pulses: List[IOperationStrategy] = []
self.acquisitions: List[IOperationStrategy] = []
self.associated_ext_lo: str = lo_name
self.downconverter: bool = downconverter
self.static_hw_properties: StaticHardwareProperties = static_hw_properties
self.register_manager = register_manager.RegisterManager()
self.instruction_generated_pulses_enabled = seq_settings.get(
"instruction_generated_pulses_enabled", False
)
self._settings = SequencerSettings.initialize_from_config_dict(
seq_settings=seq_settings, connected_outputs=connected_outputs
)
[docs] self.qasm_hook_func: Optional[Callable] = seq_settings.get(
"qasm_hook_func", None
)
"""Allows the user to inject custom Q1ASM code into the compilation, just prior
to returning the final string."""
portclock_key = f"{seq_settings['port']}-{seq_settings['clock']}"
[docs] self.latency_correction: float = latency_corrections.get(portclock_key, 0)
"""Latency correction accounted for by delaying the start of the program."""
@property
[docs] def connected_outputs(self) -> Union[Tuple[int], Tuple[int, int]]:
"""
The indices of the output paths that this sequencer is producing awg
data for.
For the baseband modules, these indices correspond directly to a physical output
(e.g. index 0 corresponds to output 1 etc.).
For the RF modules, indexes 0 and 1 correspond to path0 and path1 of output 1,
respectively, while indexes 2 and 3 correspond to path0 and path1 of output 2.
"""
return self._settings.connected_outputs
@property
[docs] def output_mode(self) -> Literal["complex", "real", "imag"]:
"""
Specifies whether the sequencer is using only path0 (real), path1 (imag) or
both (complex).
If real or imag, the sequencer is restricted to only using real valued data.
"""
return helpers.output_mode_from_outputs(self._settings.connected_outputs)
@property
[docs] def portclock(self) -> Tuple[str, str]:
"""
A tuple containing the unique port and clock combination for this sequencer.
Returns
-------
:
The portclock.
"""
return self.port, self.clock
@property
[docs] def settings(self) -> SequencerSettings:
"""
Gives the current settings.
Returns
-------
:
The settings set to this sequencer.
"""
return self._settings
@property
[docs] def name(self) -> str:
"""
The name assigned to this specific sequencer.
Returns
-------
:
The name.
"""
return self._name
@property
[docs] def has_data(self) -> bool:
"""
Whether or not the sequencer has any data (meaning pulses or acquisitions)
assigned to it or not.
Returns
-------
:
Has data been assigned to this sequencer?
"""
return len(self.acquisitions) > 0 or len(self.pulses) > 0
@property
[docs] def frequency(self) -> float:
"""
The frequency used for modulation of the pulses.
Returns
-------
:
The frequency.
"""
return self._settings.modulation_freq
@frequency.setter
def frequency(self, freq: float):
"""
Assigns a modulation frequency to the sequencer.
Parameters
----------
freq
The frequency to be used for modulation.
Raises
------
ValueError
Attempting to set the modulation frequency to a new value even though a
different value has been previously assigned.
"""
if self._settings.modulation_freq != freq:
if self._settings.modulation_freq is not None:
raise ValueError(
f"Attempting to set the modulation frequency of {self._name} of "
f"{self.parent.name} to {freq}, while it has previously been set "
f"to {self._settings.modulation_freq}."
)
self._settings.modulation_freq = freq
if freq != 0:
self._settings.nco_en = True
[docs] def _generate_awg_dict(self) -> Dict[str, Any]:
"""
Generates the dictionary that contains the awg waveforms in the
format accepted by the driver.
Notes
-----
The final dictionary to be included in the json that is uploaded to the pulsar
is of the form:
.. code-block::
program
awg
waveform_name
data
index
acq
waveform_name
data
index
This function generates the awg dictionary.
Returns
-------
:
The awg dictionary.
Raises
------
ValueError
I or Q amplitude is being set outside of maximum range.
"""
wf_dict: Dict[str, Any] = {}
for pulse in self.pulses:
pulse.generate_data(wf_dict=wf_dict)
return wf_dict
[docs] def _generate_weights_dict(self) -> Dict[str, Any]:
"""
Generates the dictionary that corresponds that contains the acq weights
waveforms in the format accepted by the driver.
Notes
-----
The final dictionary to be included in the json that is uploaded to the pulsar
is of the form:
.. code-block::
program
awg
waveform_name
data
index
acq
waveform_name
data
index
This function generates the acq dictionary.
Returns
-------
:
The acq dictionary.
Raises
------
NotImplementedError
Currently, only two one dimensional waveforms can be used as acquisition
weights. This exception is raised when either or both waveforms contain
both a real and imaginary part.
"""
wf_dict: Dict[str, Any] = {}
for acq in self.acquisitions:
acq.generate_data(wf_dict)
return wf_dict
[docs] def _generate_acq_declaration_dict(
self,
acquisitions: List[IOperationStrategy],
repetitions: int,
) -> Dict[str, Any]:
"""
Generates the "acquisitions" entry of the program json. It contains declaration
of the acquisitions along with the number of bins and the corresponding index.
For the name of the acquisition (in the hardware), the acquisition channel
(cast to str) is used, and is thus identical to the index. Number of bins is
taken to be the highest acq_index specified for that channel.
Parameters
----------
acquisitions:
List of the acquisitions assigned to this sequencer.
repetitions:
The number of times to repeat execution of the schedule.
Returns
-------
:
The "acquisitions" entry of the program json as a dict. The keys correspond
to the names of the acquisitions (i.e. the acq_channel in the scheduler).
"""
acquisition_infos: List[OpInfo] = list(
map(lambda acq: acq.operation_info, acquisitions)
)
# acquisition metadata for acquisitions relevant to this sequencer only
acq_metadata = _extract_acquisition_metadata_from_acquisitions(
acquisition_infos
)
# initialize an empty dictionary for the format required by pulsar
acq_declaration_dict = {}
for acq_channel, acq_indices in acq_metadata.acq_indices.items():
# Some sanity checks on the input for easier debugging.
if min(acq_indices) != 0:
raise ValueError(
f"Please make sure the lowest bin index used is 0. "
f"Found: {min(acq_indices)} as lowest bin for channel "
f"{acq_channel}. Problem occurred for port {self.port} with"
f" clock {self.clock}, which corresponds to {self.name} of "
f"{self.parent.name}."
)
if len(acq_indices) != max(acq_indices) + 1:
raise ValueError(
f"Please make sure the used bins increment by 1 starting from "
f"0. Found: {max(acq_indices)} as the highest bin out of "
f"{len(acq_indices)} for channel {acq_channel}, indicating "
f"an acquisition_index was skipped. "
f"Problem occurred for port {self.port} with clock {self.clock},"
f"which corresponds to {self.name} of {self.parent.name}."
)
# Add the acquisition metadata to the acquisition declaration dict
if acq_metadata.bin_mode == BinMode.APPEND:
num_bins = repetitions * (max(acq_indices) + 1)
elif acq_metadata.bin_mode == BinMode.AVERAGE:
num_bins = max(acq_indices) + 1
else:
# currently the BinMode enum only has average and append.
# this check exists to catch unexpected errors if we add more
# BinModes in the future.
raise NotImplementedError(f"Unknown bin mode {acq_metadata.bin_mode}.")
if acq_metadata.acq_protocol == "looped_periodic_acquisition":
if len(acquisition_infos) > 1:
raise ValueError(
"only one acquisition allowed if "
"looped_periodic_acquisition is used"
)
num_bins = acquisition_infos[0].data["num_times"]
acq_declaration_dict[str(acq_channel)] = {
"num_bins": num_bins,
"index": acq_channel,
}
return acq_declaration_dict
[docs] def update_settings(self):
"""
Updates the sequencer settings to set all parameters that are determined by the
compiler.
"""
# pylint: disable=too-many-locals
[docs] def generate_qasm_program(
self,
total_sequence_time: float,
repetitions: Optional[int] = 1,
) -> str:
"""
Generates a QASM program for a sequencer. Requires the awg and acq dicts to
already have been generated.
Example of a program generated by this function:
.. code-block::
wait_sync 4
set_mrk 1
move 10,R0 # iterator for loop with label start
start:
wait 4
set_awg_gain 22663,10206 # setting gain for 9056793381316377208
play 0,1,4
wait 176
loop R0,@start
set_mrk 0
upd_param 4
stop
Parameters
----------
total_sequence_time
Total time the program needs to play for. If the sequencer would be done
before this time, a wait is added at the end to ensure synchronization.
repetitions
Number of times to repeat execution of the schedule.
Returns
-------
:
The generated QASM program.
"""
loop_label = "start"
marker_config = self.static_hw_properties.marker_configuration
qasm = QASMProgram(self.static_hw_properties, self.register_manager)
if marker_config.init is not None:
qasm.set_marker(marker_config.init)
qasm.emit(q1asm_instructions.UPDATE_PARAMETERS, constants.GRID_TIME)
# program header
qasm.emit(q1asm_instructions.WAIT_SYNC, constants.GRID_TIME)
qasm.emit(q1asm_instructions.UPDATE_PARAMETERS, constants.GRID_TIME)
if marker_config.start is not None:
qasm.set_marker(marker_config.start)
pulses = [] if self.pulses is None else self.pulses
acquisitions = [] if self.acquisitions is None else self.acquisitions
self._initialize_append_mode_registers(qasm, acquisitions)
# program body
op_list = pulses + acquisitions
op_list = sorted(
op_list,
key=lambda p: (p.operation_info.timing, p.operation_info.is_acquisition),
)
# Adds the latency correction, this needs to be a minimum of 4 ns,
# so all sequencers get delayed by at least that.
latency_correction_ns: int = self._get_latency_correction_ns(
self.latency_correction
)
qasm.auto_wait(
wait_time=constants.GRID_TIME + latency_correction_ns,
count_as_elapsed_time=False,
comment=f"latency correction of {constants.GRID_TIME} + "
f"{latency_correction_ns} ns",
)
with qasm.loop(label=loop_label, repetitions=repetitions):
qasm.emit(q1asm_instructions.RESET_PHASE)
qasm.emit(q1asm_instructions.UPDATE_PARAMETERS, constants.GRID_TIME)
op_queue = deque(op_list)
while len(op_queue) > 0:
operation = op_queue.popleft()
qasm.wait_till_start_operation(operation.operation_info)
operation.insert_qasm(qasm)
end_time = helpers.to_grid_time(total_sequence_time)
wait_time = end_time - qasm.elapsed_time
if wait_time < 0:
raise RuntimeError(
f"Invalid timing detected, attempting to insert wait "
f"of {wait_time} ns. The total duration of the "
f"schedule is {end_time} but {qasm.elapsed_time} ns "
f"already processed."
)
qasm.auto_wait(wait_time)
# program footer
if marker_config.end is not None:
qasm.set_marker(marker_config.end)
qasm.emit(q1asm_instructions.UPDATE_PARAMETERS, constants.GRID_TIME)
qasm.emit(q1asm_instructions.STOP)
if self.qasm_hook_func:
self.qasm_hook_func(qasm)
self._settings.integration_length_acq = qasm.integration_length_acq
return str(qasm)
[docs] def _initialize_append_mode_registers(
self, qasm: QASMProgram, acquisitions: List[AcquisitionStrategyPartial]
):
"""
Adds the instructions to initialize the registers needed to use the append
bin mode to the program. This should be added in the header.
Parameters
----------
qasm:
The program to add the instructions to.
acquisitions:
A list with all the acquisitions to consider.
"""
channel_to_reg = {}
for acq in acquisitions:
if acq.operation_info.data["bin_mode"] != BinMode.APPEND:
continue
channel = acq.operation_info.data["acq_channel"]
if channel in channel_to_reg:
acq_bin_idx_reg = channel_to_reg[channel]
else:
acq_bin_idx_reg = self.register_manager.allocate_register()
channel_to_reg[channel] = acq_bin_idx_reg
qasm.emit(
q1asm_instructions.MOVE,
0,
acq_bin_idx_reg,
comment=f"Initialize acquisition bin_idx for "
f"ch{acq.operation_info.data['acq_channel']}",
)
acq.bin_idx_register = acq_bin_idx_reg
[docs] def _get_latency_correction_ns(self, latency_correction: float) -> int:
if latency_correction == 0:
return 0
latency_correction_ns = int(round(latency_correction * 1e9))
if latency_correction_ns % 4 != 0:
logger.warning(
f"Latency correction of {latency_correction_ns} ns specified"
f" for {self.name} of {self.parent.name}, which is not a"
f" multiple of {constants.GRID_TIME} ns. This feature should"
f" be considered experimental and stable results are not guaranteed at "
f"this stage."
)
return latency_correction_ns
@staticmethod
@staticmethod
[docs] def compile(self, repetitions: int = 1) -> Optional[Dict[str, Any]]:
"""
Performs the full sequencer level compilation based on the assigned data and
settings. If no data is assigned to this sequencer, the compilation is skipped
and None is returned instead.
Parameters
----------
repetitions:
Number of times execution the schedule is repeated.
Returns
-------
:
The compiled program. If no data is assigned to this sequencer, the
compilation is skipped and None is returned instead.
"""
if not self.has_data:
return None
awg_dict = self._generate_awg_dict()
weights_dict = None
acq_declaration_dict = None
if self.parent.supports_acquisition:
weights_dict = (
self._generate_weights_dict() if len(self.acquisitions) > 0 else {}
)
acq_declaration_dict = (
self._generate_acq_declaration_dict(
acquisitions=self.acquisitions, repetitions=repetitions
)
if len(self.acquisitions) > 0
else {}
)
qasm_program = self.generate_qasm_program(
self.parent.total_play_time,
repetitions=repetitions,
)
wf_and_pr_dict = self._generate_waveforms_and_program_dict(
qasm_program, awg_dict, weights_dict, acq_declaration_dict
)
json_filename = self._dump_waveforms_and_program_json(
wf_and_pr_dict, f"{self.port}_{self.clock}"
)
self.update_settings()
settings_dict = self.settings.to_dict()
return {"seq_fn": json_filename, "settings": settings_dict}
[docs]class QbloxBaseModule(ControlDeviceCompiler, ABC):
"""
Qblox specific implementation of
:class:`quantify_scheduler.backends.qblox.compiler_abc.InstrumentCompiler`.
This class is defined as an abstract base class since the distinctions between the
different devices are defined in subclasses.
Effectively, this base class contains the functionality shared by all Qblox
devices and serves to avoid repeated code between them.
"""
def __init__(
self,
parent, # No type hint due to circular import, added to docstring
name: str,
total_play_time: float,
hw_mapping: Dict[str, Any],
latency_corrections: Optional[Dict[str, float]] = None,
):
# pylint: disable=line-too-long
"""
Constructor function.
Parameters
----------
parent: :class:`quantify_scheduler.backends.qblox.compiler_container.CompilerContainer`
Reference to the parent object.
name
Name of the `QCoDeS` instrument this compiler object corresponds to.
total_play_time
Total time execution of the schedule should go on for. This parameter is
used to ensure that the different devices, potentially with different clock
rates, can work in a synchronized way when performing multiple executions of
the schedule.
hw_mapping
The hardware configuration dictionary for this specific device. This is one
of the inner dictionaries of the overall hardware config.
latency_corrections
Dict containing the delays for each port-clock combination. This is specified in
the top layer of hardware config.
"""
super().__init__(parent, name, total_play_time, hw_mapping, latency_corrections)
driver_version_check.verify_qblox_instruments_version()
[docs] self.is_pulsar: bool = True
"""Specifies if it is a standalone Pulsar or a cluster module. To be overridden
by the cluster compiler if needed."""
self._settings: Union[
BaseModuleSettings, None
] = None # set in the prepare method.
self.sequencers: Dict[str, Sequencer] = {}
@property
[docs] def portclocks(self) -> List[Tuple[str, str]]:
"""Returns all the port-clock combinations that this device can target."""
portclocks = []
for io in self.static_hw_properties.valid_ios:
if io not in self.hw_mapping:
continue
portclock_configs = self.hw_mapping[io].get("portclock_configs", [])
if not portclock_configs:
raise KeyError(
f"No 'portclock_configs' entry found in '{io}' of {self.name}."
)
portclocks += [
(target["port"], target["clock"]) for target in portclock_configs
]
return portclocks
@property
@abstractmethod
[docs] def settings_type(self) -> PulsarSettings:
"""
Specifies the PulsarSettings class used by the instrument.
"""
@property
@abstractmethod
[docs] def static_hw_properties(self) -> StaticHardwareProperties:
"""
The static properties of the hardware. This effectively gathers all the
differences between the different modules.
"""
[docs] def _construct_sequencers(self) -> Dict[str, Sequencer]:
"""
Constructs `Sequencer` objects for each port and clock combination
belonging to this device.
Returns
-------
:
A dictionary containing the sequencer objects, the keys correspond to the
names of the sequencers.
Raises
------
ValueError
When the output names do not conform to the
`complex_output_X`/`real_output_X` norm,
where X is the index of the output.
KeyError
Raised if no 'portclock_configs' entry is found in the specific outputs of
the hardware config.
ValueError
Raised when the same port-clock is multiply assigned in the hardware config.
ValueError
Attempting to use more sequencers than available.
"""
sequencers: Dict[str, Sequencer] = {}
portclock_output_map: Dict[Tuple, str] = {}
for io, io_cfg in self.hw_mapping.items():
if not isinstance(io_cfg, dict):
continue
if io not in self.static_hw_properties.valid_ios:
raise ValueError(
f"Invalid hardware config. '{io}' of {self.name} is not a "
f"valid name of an input/output.\n\nSupported names:\n"
f"{self.static_hw_properties.valid_ios}"
)
lo_name = io_cfg.get("lo_name", None)
downconverter = io_cfg.get("downconverter", False)
portclock_configs: List[Dict[str, Any]] = io_cfg.get(
"portclock_configs", []
)
if not portclock_configs:
raise KeyError(
f"No 'portclock_configs' entry found in '{io}' of {self.name}."
)
for target in portclock_configs:
portclock = (target["port"], target["clock"])
if portclock in self.portclocks_with_data:
connected_outputs = helpers.output_name_to_outputs(io)
seq_name = f"seq{len(sequencers)}"
sequencers[seq_name] = Sequencer(
parent=self,
name=seq_name,
portclock=portclock,
static_hw_properties=self.static_hw_properties,
connected_outputs=connected_outputs,
seq_settings=target,
latency_corrections=self.latency_corrections,
lo_name=lo_name,
downconverter=downconverter,
)
# Check if the portclock was not multiply specified
if portclock in portclock_output_map:
raise ValueError(
f"Portclock {portclock} was assigned to multiple "
f"portclock_configs of {self.name}. This portclock was "
f"used in output '{io}' despite being already previously "
f"used in output '{portclock_output_map[portclock]}'."
)
portclock_output_map[portclock] = io
# Check if more portclock_configs than sequencers are active
if len(sequencers) > self.static_hw_properties.max_sequencers:
raise ValueError(
"Number of simultaneously active port-clock combinations exceeds "
"number of sequencers."
f"Maximum allowed for {self.name} ({self.__class__.__name__}) is "
f"{self.static_hw_properties.max_sequencers}!"
)
return sequencers
[docs] def distribute_data(self):
"""
Distributes the pulses and acquisitions assigned to this pulsar over the
different sequencers based on their portclocks. Raises an exception in case
the device does not support acquisitions.
"""
if len(self._acquisitions) > 0 and not self.supports_acquisition:
raise RuntimeError(
f"Attempting to add acquisitions to {self.__class__} {self.name}, "
f"which is not supported by hardware."
)
for portclock, pulse_data_list in self._pulses.items():
for seq in self.sequencers.values():
instr_gen_pulses = seq.instruction_generated_pulses_enabled
if seq.portclock == portclock or (
portclock[0] is None and portclock[1] == seq.clock
):
partial_func = partial(
get_operation_strategy,
instruction_generated_pulses_enabled=instr_gen_pulses,
output_mode=seq.output_mode,
)
func_map = map(
partial_func,
pulse_data_list,
)
if seq.pulses is None:
seq.pulses = []
for pulse_strategy in func_map:
seq.pulses.append(pulse_strategy)
for portclock, acq_data_list in self._acquisitions.items():
for seq in self.sequencers.values():
instr_gen_pulses = seq.instruction_generated_pulses_enabled
if seq.portclock == portclock:
partial_func = partial(
get_operation_strategy,
instruction_generated_pulses_enabled=instr_gen_pulses,
output_mode=seq.output_mode,
)
func_map = map(
partial_func,
acq_data_list,
)
seq.acquisitions = list(func_map)
@abstractmethod
[docs] def assign_frequencies(self, sequencer: Sequencer):
r"""
An abstract method that should be overridden. Meant to assign an IF frequency
to each sequencer, or an LO frequency to each output (if applicable).
For each sequencer, the following relation is obeyed:
:math:`f_{RF} = f_{LO} + f_{IF}`.
In this step it is thus expected that either the IF and/or the LO frequency has
been set during instantiation. Otherwise an error is thrown. If the frequency
is overconstraint (i.e. multiple values are somehow specified) an error is
thrown during assignment.
Raises
------
ValueError
Neither the LO nor the IF frequency has been set and thus contain
:code:`None` values.
"""
[docs] def prepare(self) -> None:
"""
Performs the logic needed before being able to start the compilation. In effect,
this means assigning the pulses and acquisitions to the sequencers and
calculating the relevant frequencies in case an external local oscillator is
used.
"""
self._settings = self.settings_type.extract_settings_from_mapping(
self.hw_mapping
)
self._settings = self._configure_mixer_offsets(self._settings, self.hw_mapping)
self.sequencers = self._construct_sequencers()
self.distribute_data()
self._determine_scope_mode_acquisition_sequencer()
for seq in self.sequencers.values():
self.assign_frequencies(seq)
@abstractmethod
[docs] def update_settings(self):
"""
Updates the settings to set all parameters that are determined by the
compiler.
"""
[docs] def _determine_scope_mode_acquisition_sequencer(self) -> None:
"""
Finds which sequencer has to perform raw trace acquisitions and adds it to the
`scope_mode_sequencer` of the settings.
Raises
------
ValueError
Multiple sequencers have to perform trace acquisition. This is not
supported by the hardware.
"""
def is_scope_acquisition(acquisition: OpInfo) -> bool:
return acquisition.data["protocol"] == "trace"
scope_acq_seq = None
for seq in self.sequencers.values():
op_infos = [acq.operation_info for acq in seq.acquisitions]
has_scope = any(map(is_scope_acquisition, op_infos))
if has_scope:
if scope_acq_seq is not None:
raise ValueError(
f"Both sequencer {seq.name} and {scope_acq_seq} of "
f"{self.name} are required to perform scope mode "
"acquisitions. Only one sequencer per device can "
"trigger raw trace capture.\n\nPlease ensure that "
"only one port and clock combination has to "
"perform raw trace acquisition per instrument."
)
scope_acq_seq = seq.name
self._settings.scope_mode_sequencer = scope_acq_seq
[docs] def compile(self, repetitions: int = 1) -> Optional[Dict[str, Any]]:
"""
Performs the actual compilation steps for this pulsar, by calling the sequencer
level compilation functions and combining them into a single dictionary. The
compiled program has a settings key, and keys for every sequencer.
Parameters
----------
repetitions
Number of times execution the schedule is repeated.
Returns
-------
:
The compiled program corresponding to this pulsar. It contains an entry for
every sequencer and general "settings". If the device is not actually used,
and an empty program is compiled, None is returned instead.
"""
program = {}
for seq_name, seq in self.sequencers.items():
seq_program = seq.compile(repetitions=repetitions)
if seq_program is not None:
program[seq_name] = seq_program
if len(program) == 0:
return None
self._settings.hardware_averages = repetitions
self.update_settings()
program["settings"] = self._settings.to_dict()
if self.supports_acquisition:
# Add both acquisition metadata (a summary) and acq_mapping
program["acq_metadata"] = {}
for sequencer in self.sequencers.values():
if not sequencer.acquisitions:
continue
acq_metadata = _extract_acquisition_metadata_from_acquisitions(
[acq.operation_info for acq in sequencer.acquisitions]
)
program["acq_metadata"][sequencer.name] = acq_metadata
acq_mapping = self._get_acquisition_mapping()
if acq_mapping is not None:
program["acq_mapping"] = acq_mapping
return program
[docs] def _get_acquisition_mapping(self) -> Optional[dict]:
"""
Generates a mapping of acq_channel, acq_index to sequencer name, protocol.
Returns
-------
:
A dictionary containing tuple(acq_channel, acq_index) as keys and
tuple(sequencer name, protocol) as value.
"""
def extract_mapping_item(acquisition: OpInfo) -> Tuple[Tuple[int, int], str]:
return (
(
acquisition.data["acq_channel"],
acquisition.data["acq_index"],
),
acquisition.data["protocol"],
)
acq_mapping = {}
for sequencer in self.sequencers.values():
mapping_items = map(
extract_mapping_item,
[acq.operation_info for acq in sequencer.acquisitions],
)
for item in mapping_items:
acq_mapping[item[0]] = (sequencer.name, item[1])
return acq_mapping if len(acq_mapping) > 0 else None
[docs]def _assign_frequency_with_ext_lo(sequencer: Sequencer, container):
if sequencer.clock not in container.resources:
return
clk_freq = container.resources[sequencer.clock]["freq"]
lo_compiler = container.instrument_compilers.get(sequencer.associated_ext_lo, None)
if lo_compiler is None:
sequencer.frequency = clk_freq
return
if_freq = sequencer.frequency
lo_freq = lo_compiler.frequency
# If downconverter is used, its frequency will be used when calculating the
# LO/IF frequency. If not, a frequency of 0 is considered, which will leave the
# LO/IF frequencies unchanged.
if sequencer.downconverter:
downconverter_freq = constants.DOWNCONVERTER_FREQ
clk_freq = -clk_freq
else:
downconverter_freq = 0
if lo_freq is None and if_freq is None:
raise ValueError(
f"Frequency settings underconstraint for sequencer {sequencer.name} "
f"with port {sequencer.port} and clock {sequencer.clock}. When using "
f"an external local oscillator it is required to either supply an "
f'"lo_freq" or an "interm_freq". Neither was given.'
)
if if_freq is not None:
lo_compiler.frequency = clk_freq - if_freq + downconverter_freq
if lo_freq is not None:
if_freq = clk_freq - lo_freq + downconverter_freq
sequencer.frequency = if_freq
if if_freq != 0 and if_freq is not None:
sequencer.settings.nco_en = True
[docs]class QbloxBasebandModule(QbloxBaseModule):
"""
Abstract class with all the shared functionality between the QRM and QCM baseband
modules.
"""
@property
[docs] def settings_type(self) -> type:
"""The settings type used by baseband-type devices."""
return PulsarSettings if self.is_pulsar else BasebandModuleSettings
[docs] def update_settings(self):
"""
Updates the settings to set all parameters that are determined by the
compiler.
"""
[docs] def assign_frequencies(self, sequencer: Sequencer):
r"""
Meant to assign an IF frequency
to each sequencer, or an LO frequency to each output (if applicable).
For each sequencer, the following relation is obeyed:
:math:`f_{RF} = f_{LO} + f_{IF}`.
In this step it is thus expected that either the IF and/or the LO frequency has
been set during instantiation. Otherwise an error is thrown. If the frequency
is overconstraint (i.e. multiple values are somehow specified) an error is
thrown during assignment.
Raises
------
ValueError
Neither the LO nor the IF frequency has been set and thus contain
:code:`None` values.
"""
if self.is_pulsar:
_assign_frequency_with_ext_lo(sequencer, self.parent)
else:
_assign_frequency_with_ext_lo(sequencer, self.parent.parent)
[docs]class QbloxRFModule(QbloxBaseModule):
"""
Abstract class with all the shared functionality between the QRM-RF and QCM-RF
modules.
"""
@property
[docs] def settings_type(self) -> type:
"""The settings type used by RF-type devices"""
return PulsarRFSettings if self.is_pulsar else RFModuleSettings
[docs] def update_settings(self):
"""
Updates the settings to set all parameters that are determined by the
compiler.
"""
[docs] def assign_frequencies(self, sequencer: Sequencer):
r"""
Meant to assign an IF frequency
to each sequencer, or an LO frequency to each output (if applicable).
For each sequencer, the following relation is obeyed:
:math:`f_{RF} = f_{LO} + f_{IF}`.
In this step it is thus expected that either the IF and/or the LO frequency has
been set during instantiation. Otherwise an error is thrown. If the frequency
is overconstraint (i.e. multiple values are somehow specified) an error is
thrown during assignment.
Raises
------
ValueError
Neither the LO nor the IF frequency has been set and thus contain
:code:`None` values.
"""
resources = (
self.parent.resources if self.is_pulsar else self.parent.parent.resources
)
if sequencer.clock not in resources:
return
clk_freq = resources[sequencer.clock]["freq"]
# Now we have to identify the LO the sequencer is outputting to
# We can do this by first checking the Sequencer-Output correspondence
# And then use the fact that LOX is connected to OutputX
self._validate_output_mode(sequencer)
for real_output in sequencer.connected_outputs:
if real_output % 2 != 0:
# We will only use real output 0 and 2,
# since 1 and 3 are part of the same
# complex outputs.
continue
complex_output = 0 if real_output == 0 else 1
if_freq = sequencer.frequency
lo_freq = (
self._settings.lo0_freq
if (complex_output == 0)
else self._settings.lo1_freq
)
if lo_freq is None and if_freq is None:
raise ValueError(
f"Frequency settings underconstraint for sequencer {sequencer.name}"
f" with port {sequencer.port} and clock {sequencer.clock}. It is "
f'required to either supply an "lo_freq" or an "interm_freq". '
f"Neither was given."
)
"""If downconverter is used, it's frequency will be used when calculating the
LO/IF frequency. If not, a frequency of 0 is considered, which will leave the
LO/IF frequencies unchanged"""
if sequencer.downconverter:
downconverter_freq = constants.DOWNCONVERTER_FREQ
clk_freq = -clk_freq
else:
downconverter_freq = 0
if if_freq is not None:
new_lo_freq = clk_freq - if_freq + downconverter_freq
if lo_freq is not None and new_lo_freq != lo_freq:
raise ValueError(
f"Attempting to set 'lo{complex_output}_freq' to frequency "
f"{new_lo_freq}, while it has previously already been set to "
f"{lo_freq}!"
)
if complex_output == 0:
self._settings.lo0_freq = new_lo_freq
elif complex_output == 1:
self._settings.lo1_freq = new_lo_freq
if lo_freq is not None:
sequencer.frequency = clk_freq - lo_freq + downconverter_freq
@classmethod
[docs] def _validate_output_mode(cls, sequencer: Sequencer):
if sequencer.output_mode != "complex":
raise ValueError(
f"Attempting to use {cls.__name__} in real "
f"mode, but this is not supported for Qblox RF modules."
)