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» On the energy-efficiency of speculative hardware
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ICCD
2007
IEEE
150views Hardware» more  ICCD 2007»
14 years 25 days ago
CAP: Criticality analysis for power-efficient speculative multithreading
While Speculative Multithreading (SM) on a Chip Multiprocessor (CMP) has the ability to speed-up hard-toparallelize applications, the power inefficiency of aggressive speculation ...
James Tuck, Wei Liu, Josep Torrellas
ICCD
2005
IEEE
109views Hardware» more  ICCD 2005»
14 years 5 months ago
Reducing the Energy of Speculative Instruction Schedulers
Energy dissipation from the issue queue and register file constitutes a large portion of the overall energy budget of an aggressive dynamically scheduled microprocessor. We propo...
Yongxiang Liu, Gokhan Memik, Glenn Reinman
SBACPAD
2003
IEEE
75views Hardware» more  SBACPAD 2003»
14 years 2 months ago
The Limits of Speculative Trace Reuse on Deeply Pipelined Processors
Trace reuse improves the performance of processors by skipping the execution of sequences of redundant instructions. However, many reusable traces do not have all of their inputs ...
Maurício L. Pilla, Amarildo T. da Costa, Fe...
ASYNC
1997
IEEE
66views Hardware» more  ASYNC 1997»
14 years 1 months ago
Speculative Completion for the Design of High-Performance Asynchronous Dynamic Adders
This paper presents an in-depth case study in highperformance asynchronous adder design. A recent method, called “speculative completion”, is used. This method uses single-rai...
Steven M. Nowick, Kenneth Y. Yun, Ayoob E. Dooply,...
MICRO
2000
IEEE
68views Hardware» more  MICRO 2000»
14 years 1 months ago
Performance improvement with circuit-level speculation
Current superscalar microprocessors’ performance depends on its frequency and the number of useful instructions that can be processed per cycle (IPC). In this paper we propose a...
Tong Liu, Shih-Lien Lu