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An operation rearrangement technique for power optimization in vliw instruction fetch.
| Content Provider | CiteSeerX |
|---|---|
| Author | Shin, Dongkun Kim, Jihong |
| Abstract | As mobile applications are required to handle more computing-intensive tasks, many mobile devices are designed using VLIW processors for high performance. In VLIW machines where a single instruction contains multiple operations, the power consumption during instruction fetches varies significantly depending on how the operations are arranged within the instruction. In this paper, we describe a post-pass operation rearrangement method that reduces the power consumption from the instruction-fetch datapath. The proposed method modifies operation placement orders within VLIW instructions so that the switching activity between successive instruction fetches is minimized. Our experiment shows that the switching activity can be reduced by 34% on average for benchmark programs. |
| File Format | |
| Access Restriction | Open |
| Subject Keyword | Power Optimization Operation Rearrangement Technique Vliw Instruction Fetch Power Consumption Benchmark Program Method Modifies Operation Placement Order High Performance Vliw Instruction Vliw Machine Vliw Processor Mobile Application Switching Activity Instruction Fetch Varies Post-pass Operation Rearrangement Method Single Instruction Computing-intensive Task Instruction-fetch Datapath Multiple Operation Many Mobile Device Successive Instruction Fetch |
| Content Type | Text |
