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The IBM System/360 Model 91: Floating-Point Execution Unit

1967; IBM; Volume: 11; Issue: 1 Linguagem: Inglês

10.1147/rd.111.0034

2151-8556

S. F. Anderson, J. G. Earle, Robert E Goldschmidt, David Powers,

Parallel Computing and Optimization Techniques

The principal requirement for the Model 91 floating-point execution unit was that it be designed to support the instruction-issuing rate of the processor. The chosen solution was to develop separate, instruction-oriented algorithms for the add, multiply, and divide functions. Linked together by the floating-point instruction unit, the multiple execution units provide concurrent instruction execution at the burst rate of one instruction per cycle.