Adaptive error correction in quantum computing

A computer program product for adaptive error correction in quantum computing, the computer program product comprising:

• one or more computer readable storage media, and program instructions collectively stored on the one or more computer readable storage media, the program instructions comprising:
• program instructions to determine, by executing a calibration operation on a quantum processor, a set of parameters of the quantum processor, the calibration operation performing a set of operations on a plurality of qubits of the quantum processor;
• program instructions to determine, by analyzing a quantum circuit design intended for execution by the quantum processor using an initial state of the quantum processor, a number of qubits available for error correction while the quantum circuit design is executed by the quantum processor;
• program instructions to select, by the quantum processor, from a library of error correction techniques, a first error correction technique, the first error correction technique being implementable using the number of qubits available for error correction, the first error correction technique having a first runtime;
• program instructions to determine, by analyzing the quantum circuit design and the set of parameters, a number of iterations of the quantum circuit design to obtain a threshold level of accuracy when the quantum circuit design is executed by the quantum processor with an error rate determined by averaging together a set of outputs of multiple iterations;
• program instructions to probabilistically determine, by analyzing the quantum circuit design and the set of parameters, a second runtime required to execute, by the quantum processor, the number of iterations;
• and
• program instructions to execute, by the quantum processor responsive to determining that the first runtime is shorter than the second runtime, an error-corrected quantum circuit design, the error-corrected quantum circuit design comprising the quantum circuit design and the first error correction technique.

A computer system comprising one or more processors, one or more computer-readable memories, and one or more computer-readable storage devices, and program instructions stored on at least one of the one or more storage devices for execution by at least one of the one or more processors via at least one of the one or more memories, the stored program instructions comprising:

• program instructions to determine, by executing a calibration operation on a quantum processor, a set of parameters of the quantum processor, the calibration operation performing a set of operations on a plurality of qubits of the quantum processor;
• program instructions to determine, by analyzing a quantum circuit design intended for execution by the quantum processor using an initial state of the quantum processor, a number of qubits available for error correction while the quantum circuit design is executed by the quantum processor;
• program instructions to select, by the quantum processor, from a library of error correction techniques, a first error correction technique, the first error correction technique being implementable using the number of qubits available for error correction, the first error correction technique having a first runtime;
• program instructions to determine, by analyzing the quantum circuit design and the set of parameters, a number of iterations of the quantum circuit design to obtain a threshold level of accuracy when the quantum circuit design is executed by the quantum processor with an error rate determined by averaging together a set of outputs of multiple iterations;
• program instructions to probabilistically determine, by analyzing the quantum circuit design and the set of parameters, a second runtime required to execute, by the quantum processor, the number of iterations;
• and
• program instructions to execute, by the quantum processor responsive to determining that the first runtime is shorter than the second runtime, an error-corrected quantum circuit design, the error-corrected quantum circuit design comprising the quantum circuit design and the first error correction technique.