Method and apparatus for performing multiple load operations to

Electrical computers and digital processing systems: memory – Storage accessing and control – Hierarchical memories

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395874, 395728, 395732, 395856, 711151, G06F 1318

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active

058261095

ABSTRACT:
The present invention provides for executing load instructions with a processor having a non-blocking cache memory, wherein individual load operations are dispatched to the cache memory and the cache memory signals the prevent the load operation from being sent to external memory when the load operation misses the cache memory and there is already a currently pending bus cycle to the same cache line. This helps reduce bus traffic on the external bus.

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Johnson, Mike; Superscalar Microprocessor Desighn; Prentice Hall, Inc., New Jersey, 1991.
Popescu, Val; Schultz, Merle; Spracklen, John; Gibson, Gary; Lightner, Bruce; Isaman, David, "The Metaflow Architecture", IEEE Micro, Jun. 1991, pp. Nos. 10-13 and 63-73.
Johnson, Mike, "Superscalar Microprocessor Desighn", Englewood Cliffs, N.J.,: Prentice-hall, 1991, pp. vii-xi.

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