Experimental polyprocessor system (EPOS)—operating system

Authors:
Mamoru Maekawa;Isamu Yamazaki;Akio Tanaka;Akira Nakamura;Katsuyo Ishida
Affiliations:
-;-;-;-;-
Venue:
ISCA '79 Proceedings of the 6th annual symposium on Computer architecture
Year:
1979

Citing 1
Cited 3

Experimental Polyprocessor System (EPOS)—architecture

ISCA '79 Proceedings of the 6th annual symposium on Computer architecture

Experimental Polyprocessor System (EPOS)—architecture

ISCA '79 Proceedings of the 6th annual symposium on Computer architecture
Multiprocessor hardware: An architectural overview

ACM '80 Proceedings of the ACM 1980 annual conference
Multiprocessor software design

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Abstract

EPOS's operating system structure, firmware structure, functional distribution, and restructuring are described. EPOS processors are functionally specialized to user functions as well as operating system functions. The performance improvement by functional specialization is generally expected to be two-to-ten times. The objective of job scheduling is to maximize the total system performance by assigning each job to the best suited processor. For this purpose and for easy maintenance, jobs can be reassigned dynamically. Graceful degradation is also mentioned.