An Instruction Issuing Approach to Enhancing Performance in Multiple Functional Unit Processors

  • Authors:
  • R D Acosta;J Kjelstrup;H C Torng

  • Affiliations:
  • -;-;-

  • Venue:
  • IEEE Transactions on Computers
  • Year:
  • 1986

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Abstract

Processors with multiple functional units, such as CRAY-1, Cyber 205, and FPS 164, have been used for high-end scientific computation tasks. Much effort has been put into increasing the throughput of such systems. One critical consideration in their design is the identification and implementation of a suitable instruction issuing scheme. Existing approaches do not issue enough instructions per machine cycle to fully utilize the functional units and realize the high-performance level achievable with these powerful execution resources.