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The Anatomy of the Register File in a Multiscalar Processor (1994)
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| Venue: | In Proceedings of the 27th Annual International Symposium on Microarchitecture |
| Citations: | 36 - 13 self |
BibTeX
@INPROCEEDINGS{Vijaykumar94theanatomy,
author = {Scott Breach Vijaykumar and Scott E. Breach and T. N. Vijaykumar and Gurindar S. Sohi},
title = {The Anatomy of the Register File in a Multiscalar Processor},
booktitle = {In Proceedings of the 27th Annual International Symposium on Microarchitecture},
year = {1994},
pages = {181--190}
}
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Abstract
This paper presents the operation of the register file in the Multiscalar architecture. The register file provides the appearance of a logically centralized register file, yet is implemented as physically decentralized register files, queues, and control logic in a Multiscalar processor. We address the key issues of storage, communication, and synchronization required for a successful design and discuss the complications that arise in the face of speculation. In particular, the hardware required to implement the register file is detailed, and software support to streamline the operation of the register file is described. Illustrative examples detailing important aspects of the operation of the register file and an evaluation of its effectiveness are provided. 1 Introduction The Multiscalar architecture is a novel architecture for exploiting instruction-level parallelism (ILP) [1] [2] that speculatively executes multiple operations in parallel, yet provides the semblance of sequential...
