Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session Q36: Quantum Software and Compilers: Simulation and Control
3:00 PM–5:36 PM,
Wednesday, March 16, 2022
Room: McCormick Place W-194A
Sponsoring
Unit:
DQI
Chair: Emery Doucet, University of Massachusetts-Lowell
Abstract: Q36.00011 : Aggregated Control of Quantum Computations: When Stacked Architectures Are Too Good to Be Practical Soon
5:24 PM–5:36 PM
Presenter:
Alexandru Paler
(Aalto University)
Author:
Alexandru Paler
(Aalto University)
A realistic approach could be to design and implement the control as a kind of quantum operating system (QCOS), based on message passing, executed on supercomputers. Such an architecture should enable the scalable control of millions of physical qubits, and support the fault-tolerance of the OS. A QCOS is classic software running on classic hardware, responsible for preparing, starting, and managing quantum computations. The presented OS architecture referred to aggregation and not distribution, because the OS components are network-attached. We argue for a splitkernel design in the sense that the components of the QCOS related to various tasks, such as compilation and error-correction, are aggregated. In a splitkernel the components are parts of the kernel, and have high execution priority. The aggregated QCOS is such that there is no top-down work-flow like in a stacked QCOS architecture. The impossibility of controlling a large scale quantum computer could be rebutted by a supercomputer aggregated QCOS.
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