Figure 1 (IMAGE) Toshiba Corporation Caption (a) Scale-out approach: improve computing performance by increasing the numbers of computing chips; (b) All-to-all connection type combinatorial optimization problems: all variables interact with each other. Credit Toshiba Corporation Usage Restrictions News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.