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Instruction replication for clustered microarchitectures

Author
Aleta, A.; Codina, J.M.; Gonzalez, A.
Type of activity
Report
Date
2003-10
Code
UPC-DAC-2003-49
Abstract
This work presents a new compilation technique that uses instruction replication in order to reduce the number of communications executed on a clustered microarchitecture. For such architectures, the need to communicate values between clusters can result in a significant performance loss. Inter-cluster communications can be reduced by selectively replicating an appropriate set of instructions. However, instruction replication must be done carefully since it may also degrade performance due to th...
Group of research
ARCO - Microarchitecture and Compilers

Participants