CN-122018635-A - Quantum measurement and control multi-layer synchronization method, device and equipment for heterogeneous fusion architecture

CN122018635ACN 122018635 ACN122018635 ACN 122018635ACN-122018635-A

Abstract

The embodiment of the invention discloses a quantum measurement and control multi-layer synchronization method, a device and equipment for an heterogeneous fusion architecture. The method comprises the steps of distributing reference clock signals to all quantum measurement and control boards through a master clock source after a system is started to enable all the quantum measurement and control boards to perform inter-board clock phase alignment, configuring a board trigger unit for all the quantum measurement and control boards, enabling a computing node to perform waveform data issuing and transmission synchronization according to a quantum line, enabling all the nodes to complete synchronization in a set timeout window in response to determining that all the nodes complete synchronization, enabling the master node to issue global trigger commands to enable all the quantum measurement and control boards to simultaneously send hardware trigger pulses at the edge of a unified clock, enabling all the quantum measurement and control boards to execute corresponding quantum operation based on the synchronous trigger signals, and adjusting dynamic self-adaptive synchronous parameters according to the coherence time of current quantum bits. The embodiment can realize multi-layer synchronization of the cross-node and the cross-board card from the bottom layer of the hardware to the upper layer of the software.

Inventors

WANG JUNCHAO
WANG ZEYUAN
LIU FUDONG
QI XUYAN
FEI YANGYANG
WANG LIXIN
YAO JINYANG
WANG FENG
LI LEI

Assignees

中国人民解放军网络空间部队信息工程大学

Dates

Publication Date: 20260512
Application Date: 20251224

Claims (8)

1. The quantum measurement and control multilayer synchronization method for the heterogeneous fusion architecture is characterized by comprising the following steps of: After a quantum measurement and control system oriented to a heterogeneous fusion architecture is started, the quantum measurement and control system distributes reference clock signals to each quantum measurement and control board card through a main clock source so as to align clock phases of the cross board cards of each quantum measurement and control board card; The quantum measurement and control system configures a board trigger unit for each quantum measurement and control board, wherein the configured board trigger unit is used for enabling the corresponding measurement and control board to respond to the synchronous trigger instruction in a unified clock period; The computing node performs waveform data issuing and transmission synchronization according to the quantum circuit; responding to the fact that all nodes complete synchronization within a set timeout window, and the master node transmits a global trigger instruction so that all quantum measurement and control boards transmit hardware trigger pulses at the same time on the edge of a unified clock; each quantum measurement and control board card executes corresponding quantum operation based on the synchronous trigger signal; and the quantum measurement and control system dynamically adapts to the synchronous parameter adjustment according to the coherence time of the current quantum bit.
2. The method of claim 1, wherein the computing node performs waveform data delivery and transmission synchronization according to the quantum wire and the distribution function, comprising: the computing nodes compile quantum wires into waveform data and distribute the waveform data to various nodes; the quantum measurement and control system transmits the waveform data from the classical computer to each quantum measurement and control board card through a pre-allocation locking memory page and DMA mechanism; in response to the DMA transfer being completed, the respective quantum board card immediately updates a status flag via an interrupt service routine and sends an event notification to the master node to complete the synchronous data transfer.
3. The method according to claim 1, wherein the method further comprises: In response to determining that there is a node that does not synchronize a response within the timeout window, the master node receives an error code, unsynchronized node information, and triggers a task rescheduling or error recovery step.
4. The method of claim 1, wherein the respective quantum measurement and control board performs a corresponding quantum operation based on a synchronization trigger signal, comprising: based on the synchronous trigger signals, each quantum measurement and control board card reads waveform data in parallel and outputs the waveform data through the radio frequency digital-to-analog converter so as to control the quantum chip to execute calculation operation; after the quantum evolution is completed, each quantum measurement and control board starts an analog-to-digital converter to collect signals, and data are returned to the classical computer through a reverse transmission path.
5. The method of claim 4, wherein the dynamically adaptive synchronization parameter adjustment based on the coherence time of the current qubit comprises: The quantum measurement and control system dynamically adjusts the overtime parameter according to the coherence time of the current quantum bit; in the feedback control task, dynamically optimizing a DMA transmission strategy and an interrupt response mechanism according to the real-time system load and delay condition; In multi-round task iteration, the quantum measurement and control system optimizes synchronous parameters in real time.
6. The utility model provides a quantum measurement and control multilayer synchronizer towards heterogeneous integration framework which characterized in that includes: The distribution unit is configured to respond to the system start and distribute reference clock signals to each quantum measurement and control board through a main clock source so as to enable each quantum measurement and control board to perform board-crossing clock phase alignment; the configuration unit is configured to configure a board trigger unit for each quantum measurement and control board, wherein the configured board trigger unit is used for enabling the corresponding measurement and control board to respond to the synchronous trigger instruction in a unified clock period; The data issuing unit is configured to synchronize waveform data issuing and transmission by the computing node according to the quantum circuit; The command issuing unit is configured to respond to the determination that all nodes complete synchronization within a set timeout window, and the master node issues a global trigger command so that all quantum measurement and control boards can issue hardware trigger pulses at the same time at the edge of a unified clock; The execution unit is configured to execute corresponding quantum operations based on the synchronous trigger signals by the quantum measurement and control boards; and a parameter adjustment unit configured to dynamically adapt the synchronization parameter adjustment according to the coherence time of the current qubit.
7. An electronic device, comprising: one or more processors; a storage device having one or more programs stored thereon; when executed by the one or more processors, causes the one or more processors to implement the method of any of claims 1 to 5.
8. A computer readable medium, characterized in that a computer program is stored thereon, wherein the computer program, when executed by a processor, implements the method according to any of claims 1 to 5.

Description

Quantum measurement and control multi-layer synchronization method, device and equipment for heterogeneous fusion architecture Technical Field The embodiment of the disclosure relates to the technical field of computers, in particular to a quantum measurement and control multi-layer synchronization method, device and equipment for a heterogeneous fusion architecture. Background Along with the gradual expansion of the scale of the superconducting quantum computing system, the measurement and control system architecture of the superconducting quantum computing system gradually presents the characteristics of distribution and isomerization, and the cooperative measurement and control of multiple nodes and multiple boards becomes necessary. In such a mixed system of classical and quantum, classical computing nodes are responsible for coordinating and controlling a plurality of quantum measurement and control boards, and then a quantum processor is driven by the plurality of boards to execute complex computing tasks. However, since quantum operations are highly sensitive to time sequences, and the classical computing architecture itself has uncertainty in communication and scheduling layers, the system faces multiple synchronization challenges in actual operation, namely clock deviation jitter and data transmission delay between boards and asynchronism between software and hardware execution flows of classical and quantum units, which severely restricts the fidelity of quantum gate operations and the instantaneity of feedback control, and hinders the improvement of system reliability and expansion capability. Disclosure of Invention The disclosure is in part intended to introduce concepts in a simplified form that are further described below in the detailed description. The disclosure is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter. Some embodiments of the present disclosure provide a quantum measurement and control multi-layer synchronization method, device and equipment for heterogeneous fusion architecture, so as to solve the technical problems mentioned in the background section above. According to the method, after a system is started, a reference clock signal is distributed to each quantum measurement and control board through a master clock source to align clock phases of the quantum measurement and control boards across the boards, a board trigger unit is configured for each quantum measurement and control board, the configured board trigger unit is used for enabling the corresponding measurement and control board to respond to a synchronous trigger instruction in a unified clock period, a calculation node performs waveform data sending and transmission synchronization according to a quantum circuit, each node completes synchronization in response to determination in a set timeout window, the master node sends a global trigger instruction to enable each quantum measurement and control board to send out hardware trigger pulses at the same time at the edge of the unified clock, each quantum measurement and control board is based on the synchronous trigger signal to execute corresponding quantum operation, and dynamic self-adaptive synchronous parameter adjustment is performed according to the coherence time of current quantum bits. In a second aspect, some embodiments of the present disclosure provide a quantum measurement and control multi-layer synchronization device for heterogeneous fusion architecture, where the device includes a distribution unit configured to respond to system start, and distribute a reference clock signal to each quantum measurement and control board through a master clock source, so as to align clock phases of the quantum measurement and control boards across the boards, a configuration unit configured to configure a board trigger unit for each quantum measurement and control board, where the configured board trigger unit is configured to enable a corresponding measurement and control board to respond to a synchronization trigger instruction in a unified clock period, a data issuing unit configured to perform waveform data issuing and transmission synchronization according to a quantum line, and an instruction issuing unit configured to respond to determination that each node completes synchronization within a set timeout window, and the master node issues a global trigger instruction so as to enable each quantum measurement and control board to issue a hardware trigger at the same time at the unified clock edge, and an execution unit configured to perform corresponding quantum operations based on the synchronization trigger signal, and a parameter adjustment unit configured to dynamically adapt to a synchronization parameter according to a coherence time of a current bit. In a third aspect, some embodiments of the present disclosure provide an electronic de