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| | Grape-DR Project |
 | | However, to implement a system with performance over PFLOPS, (1) physical space, (2) power consumption, (3) substantial performance(implementation efficiency) to a user, and (4) system reliability are confronted as formidable tasks. |
 | | Assuming the size and power consumption to be 1U and 200W per processor, respectively, only the processor part requires the size of 312 racks(40U racks height) and 2.5 MW of electricity. |
 | | Even if operation performance of a processor is assumed to double in the next few years, implementation of 1 PFLOPS needs 1,560 racks and power consumption of 125MW; accordingly, implementation is very difficult and erosion of reliability is expected. |
| grape-dr.adm.s.u-tokyo.ac.jp /news-en.html (3724 words) |
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