The SGI Origin software environment and application performance

S Whitney,N Bitar,L Stevens,J.L Richardson,J Mccalpin

doi:10.1109/cmpcon.1997.584691

The SGI Origin software environment and application performance

S Whitney, N Bitar + Show 3 more

https://doi.org/10.1109/cmpcon.1997.584691

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Publication Date: Feb 23, 1997

Citations: 13

Affiliation: Silicon Labs (United States)

#Silicon Graphics Inc.#Non-uniform Memory Access + Show 8 more

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Abstract

Cellular Irix is the name of the new operating system for the Origin 200/2000 systems as well as the new Onyx/sup 2/, all from Silicon Graphics Inc. (SGI). The scalability, modularity and non-uniform memory access (NUMA) properties of the Origin system require significant redesign of several operating system subsystems, including the I/O subsystem, the scheduler and the virtual memory system. This paper focuses on the kernel features incorporated into Cellular Irix, the user-level facilities providing access to those features and the system performance achieved.

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