ABSTRACT 

PIMOS is the common operating system for the parallel inference systems, PIM 
and Multi-PSI, and provides an efficient and comfortable software development 
environment for the systems. 

KEY FEATURES 

Written completely in the KL1, a concurrent logic language. 
Realizing high portability. 
Removes management job bottlenecks with its distributed hierarchical man-
agement scheme. 
Provides powerful software development tools. 
Debugging tools, load distribution visualization, and etc. 
Tested through in parallel software R&D for more than four years. 


All the systems demonstrated on PIM or Multi-PSI have been developed and are 
running on PIMOS. 





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