Comparing the NYU Ultracomputer with other large-scale parallel processors
Technical Report
·
OSTI ID:5372751
We describe the proposed NYU Ultracomputer, a shared memory MIMD parallel machine composed of thousands of autonomous processing elements. This machine uses an enhanced message switching network having the topology of an ..cap omega..-network to approximate the ideal of conflict-free access to a common memory and to implement efficiently a new fetch-and-add synchronization primitive. We outline the hardware required to construct such a system, consisting of 4096 processors, using 1990 technology and refer to other work indicating how the goal of a distributed operating system free from serial bottlenecks can be achieved by employing the fetch-and-add primitive. Finally, we compare the Ultracomputer project with other research in parallel processing.
- Research Organization:
- New York Univ., NY (USA). Courant Mathematics and Computing Lab.
- DOE Contract Number:
- AC02-76ER03077
- OSTI ID:
- 5372751
- Report Number(s):
- DOE/ER/03077-205; ON: DE84006043
- Country of Publication:
- United States
- Language:
- English
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