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A Comparative Survey of Load Speculation Architectures (2000)
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| Venue: | Journal of Instruction-Level Parallelism |
| Citations: | 36 - 1 self |
BibTeX
@ARTICLE{Calder00acomparative,
author = {Brad Calder and Glenn Reinman},
title = {A Comparative Survey of Load Speculation Architectures},
journal = {Journal of Instruction-Level Parallelism},
year = {2000},
volume = {2},
pages = {2000}
}
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Abstract
Load latency remains a significant bottleneck in dynamically scheduled pipelined processors. Load speculation techniques have been proposed to reduce this latency. Dependence Prediction can be used to allow loads to be issued before all prior store addresses are known, and to predict exactly which store a load should wait upon. Address Prediction can be used to allow a load to bypass the calculation of its effective address and speculatively issue. Value Prediction can be used to bypass the load forward latency and avoid cache misses. Memory Renaming has been proposed to communicate stored values directly to aliased loads.
