IBM and RIKEN have successfully integrated a quantum computer with a supercomputer, ensuring seamless operation.

Researchers at the RIKEN Institute in Japan and IBM specialists have created a closed loop for synthesizing supercomputers and quantum calculations. For the first time, a team of specialists has successfully combined a supercomputer and a quantum computer to achieve a common result.

Details about the new approach

Until now, quantum computers have been used rarely. When quantum computers were used together with a supercomputer, the process worked in cycles, and data was transferred over long periods of time. Long downtimes during calculation cycles are a luxury when you consider the cost of system operating time. RIKEN and IBM specialists were able to ensure a continuous exchange of information between systems.

The new approach is based on the use of a system consisting of the Fugaku supercomputer and an IBM quantum computer. The essence of the process was to calculate the electronic structure of complex molecules. To perform the calculations, the researchers used a method called “quantum diagonalization based on sampling.” In this process, the supercomputer was responsible for processing the data and adjusting the results in an iterative cycle, while the quantum processor was responsible for generating the sample.

This has made it possible to perform the most accurate quantum chemical simulation. The functioning of a closed process is critical for the full utilization of these systems. Researchers believe that such synthesis may further influence the possibility of adding accelerators to the system. Therefore, future hybrid computing platforms will be easier to scale and accelerate energy and pharmaceutical research.

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