68000 based modular multiprocessor system: design a simulation analysis

Thesis/Dissertation · Wed Jan 01 04:00:00 EST 1986

OSTI ID:6842397

Obaidat, M S

A modular multiprocessor system is designed and one cluster of the system is simulated to predict performance measures and to conduct experiments. The Image Multiprocessor System, IMPS, will be used mainly for image processing applications and other related applications. The main design goals are modularity and flexibility, high computing power, fast data transmission, low cost/performance ratio, and reduced chip count. The system consists of four clusters with four processors in each cluster. Moreover, there is a supervisory processor module that supervises the operation of the system, checks the end of operation of processors, and runs the control program of the entire system. Each processor has its own local memory which is used basically for storing the application program. The local memories can be accessed by any processor in the system. Every cluster in the system has a Global Bus which is Versabus compatible. There is a hardware circuitry for each processing element that generates a Global Bus Request when the Global Bus or the Common Memory is needed. The arbitration discipline used in the design of the global and the supervisory arbiters is the Fixed Statis Non-preemptive Priority scheme. Communication inside the cluster is achieved by a Global Bus and intercluster communication is handled by the supervisory bus. All arbiters and most of the combinational circuits used in the system are designed by using Programmable Array Logic (PAL) devices.

• Research Organization: Ohio State Univ., Columbus (USA)
• OSTI ID: 6842397
• Country of Publication: United States
• Language: English

Related Subjects

99 GENERAL AND MISCELLANEOUS
990210* -- Supercomputers-- (1987-1989)
ARRAY PROCESSORS
DESIGN
ELECTRONIC CIRCUITS
IMAGE PROCESSING
LOGIC CIRCUITS
PERFORMANCE TESTING
PROCESSING
SIMULATION
TESTING