Encachement apparatus

Encachement apparatus consisting of a first cache, a second cache connected to the first cache, registers for storing data, an adder receiving inputs from a first multiplexer connected to the first cache and a second multiplexer connected to the second cache and to the registers, and control apparat...

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Hauptverfasser: DAVIDIAN, GARY, NEALON, JAMES T, PILAT, JOHN F, JONES, THOMAS M
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creator DAVIDIAN
GARY
NEALON
JAMES T
PILAT
JOHN F
JONES
THOMAS M
description Encachement apparatus consisting of a first cache, a second cache connected to the first cache, registers for storing data, an adder receiving inputs from a first multiplexer connected to the first cache and a second multiplexer connected to the second cache and to the registers, and control apparatus connected to the first cache, the first multiplexer, and the second multiplexer. The first cache outputs a cache entry in response to a key. The cache entry contains a first displacement value, a base specifier specifying either one of the registers or the second cache, and in the case of entries specifying the second cache, a second displacement value. The first displacement value is output to the first multiplexer, the base specifier is output to the control apparatus, and the second displacement, if present, is output to the second cache. The control apparatus responds to the base specifier by causing the first multiplexer to select the displacement value output by the cache and causing the second multiplexer to select one of the values contained in the registers or the value output by the second cache in response to the second displacement. The adder then adds the value selected by the first multiplexer to the value selected by the second multiplexer and outputs the result.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Encachement apparatus
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