ASAM: Automatic architecture synthesis and application mapping
Microprocessors & Microsystems
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Design space exploration for ASIP instruction-set design is a very complex problem, involving a large set of architectural choices. Existing methods are usually handcrafted and time-consuming. In this paper, we propose and investigate a rapid method to estimate the energy consumption of candidate architectures for VLIW ASIP processors. The proposed method avoids the time-consuming simulation of the candidate prototypes, without any loss of accuracy in the predicted energy consumption. We experimentally show the effect of this fast cost evaluation method when used in an automated instruction-set architecture exploration. In our experiments, we compare three different methods for cost estimation and find that we can accurately predict the energy consumption of proposed architectures while avoiding simulation of the complete system.