| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 490249 | Procedia Computer Science | 2014 | 10 Pages |
Abstract
The K computer, released on September 29, 2012, is a large-scale parallel supercomputer system consisting of 82,944 compute nodes. We have been able to resolve a significant number of operation issues since its release. Some system software components have been fixed and improved to obtain higher stability and utilization. We achieved 94% service availability because of a low hardware failure rate and approximately 80% node utilization by careful adjustment of operation parameters. We found that the K computer is an extremely stable and high utilization system.
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