Quantum Circuit Compilation Cache for Overhead Reduction
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Solution Overview
Problem
The compilation of quantum computing programs in cloud-based quantum computing services is time-consuming, leading to significant overhead, as existing methods require repeated compilation of quantum circuits for each program execution.
Innovation Solution
Implementing a cache system within the quantum computing service that stores compiled quantum circuit files, allowing for reuse of pre-compiled files for similar programs, thereby reducing the need for repeated compilation and associated overhead.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If quantum computing programs are compiled repeatedly for each execution, then the quantum circuits can be adapted to different hardware configurations, but the compilation time increases significantly
Solution Approach 1:
The system pre-compiles quantum circuits into intermediate representations and stores them in a cache before actual execution. When a quantum program needs to be executed, the system retrieves pre-compiled circuits from the cache instead of compiling them anew, significantly reducing execution time while maintaining adaptability through the intermediate representation format
Solution Approach 2:
The patent creates copies of compiled quantum circuits in an intermediate representation format and stores them in a cache memory structure. These copies can be rapidly retrieved and reused for different hardware configurations without performing full compilation each time, thus reducing time loss while preserving adaptability
2Productivity
If a cache system is implemented to store pre-compiled quantum circuit files, then compilation overhead is reduced, but system complexity increases
Solution Approach 1:
The cache system is designed to store quantum circuits in a universal intermediate representation format that can be used across different quantum hardware configurations. This multi-functional cache structure handles multiple purposes: storing pre-compiled circuits, managing hardware configuration variations, and enabling rapid retrieval, thereby improving productivity without proportionally increasing complexity
Solution Approach 2:
The patent introduces an intermediate representation as a mediator between the high-level quantum program and the specific hardware implementation. This intermediate form is cached and reused, acting as a buffer that reduces the need for direct compilation to hardware-specific formats, thus improving compilation efficiency while managing system complexity through this intermediary layer
Data Source
AI summary
A quantum computing service may store, in a cache, one or more compiled files of respective quantum functions included in one or more quantum computing programs received one or more customers. When the quantum computing service receives another quantum computing program, from the same or a different customer, the quantum computing service may determine whether the quantum computing program may include one or more of the quantum functions corresponding to the compiled files in the cache. If so, the quantum computing service may use the compiled files in the cache to compile the quantum computing program.