Quantum Circuit Templates for Memory-Efficient Circuit Generation
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Solution Overview
Problem
The existing methods for generating quantum circuit information face challenges with exponentially increasing memory usage and processing time as the complexity and scale of quantum circuits grow, particularly for problems requiring large-scale quantum circuits, which can exceed the capabilities of classical computers.
Innovation Solution
A method that reduces memory usage and processing time by specifying types of partial circuits in a quantum circuit, storing only one piece of first circuit information for each type and using reference information to define the quantum circuit, thereby omitting redundant descriptions of repeated partial circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If quantum circuit information is stored in detail for each partial circuit, then the precision of quantum circuit definition is improved, but memory usage increases exponentially
Solution Approach 1:
The quantum circuit is divided into multiple partial circuits, each identified by a unique ID. Instead of storing complete circuit information for each partial circuit, the system segments the information storage by storing only essential identification data for each partial circuit while maintaining a separate library of template circuit information.
Solution Approach 2:
The system uses template copying where a partial circuit's information is defined once as a template and then referenced multiple times. When a partial circuit is encountered, the system copies the reference to the template information rather than storing redundant data, significantly reducing memory usage while preserving complete circuit definition capability.
2Measurement precision
If complete quantum circuit information is generated and stored, then the accuracy of circuit representation is improved, but processing time increases
Solution Approach 1:
Template circuit information is prepared and stored in advance in a library. When generating quantum circuit information, the system performs preliminary matching to identify which templates apply, then efficiently assembles the complete circuit information by combining template references with specific partial circuit parameters, reducing processing time while maintaining accuracy.
3Loss of information
If detailed information for all partial circuits is stored, then the completeness of quantum circuit data is improved, but device complexity increases
Solution Approach 1:
The data structure implements a nested organization where template circuit information contains embedded partial circuit references, which in turn may contain further nested references. This hierarchical nesting allows the system to maintain complete circuit information through multiple levels of abstraction without requiring a flat, complex data structure that would be difficult to manage.
Data Source
AI summary
A non-transitory computer-readable recording medium storing a quantum circuit information generation program for causing a computer to execute processing including: in a target quantum circuit that includes a plurality of partial circuits, specifying a type of a partial circuit that appears in the target quantum circuit; and storing, for each specified type, only one piece of first circuit information that enables generation of one partial circuit that belongs to the specified type, in a storage unit, and storing, in the storage unit, second circuit information that defines the target quantum circuit by representing, for each specified type, at least one partial circuit that belongs to the specified type by using reference information that enables reference to the first circuit information stored in the storage unit.