Micro-optimization of floating-point operations
ASPLOS III Proceedings of the third international conference on Architectural support for programming languages and operating systems
Performance of a software MPEG video decoder
MULTIMEDIA '93 Proceedings of the first ACM international conference on Multimedia
The design of a high performance low power microprocessor
ISLPED '96 Proceedings of the 1996 international symposium on Low power electronics and design
Low power data processing by elimination of redundant computations
ISLPED '97 Proceedings of the 1997 international symposium on Low power electronics and design
Accelerating multi-media processing by implementing memoing in multiplication and division units
Proceedings of the eighth international conference on Architectural support for programming languages and operating systems
Cycle-accurate macro-models for RT-level power analysis
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Regression-based RTL power modeling
ACM Transactions on Design Automation of Electronic Systems (TODAES)
Communication architecture based power management for battery efficient system design
Proceedings of the 39th annual Design Automation Conference
Dynamic Power Management: Design Techniques and CAD Tools
Dynamic Power Management: Design Techniques and CAD Tools
Saving energy with architectural and frequency adaptations for multimedia applications
Proceedings of the 34th annual ACM/IEEE international symposium on Microarchitecture
Battery-Driven Dynamic Power Management
IEEE Design & Test
Frame-based dynamic voltage and frequency scaling for a MPEG decoder
Proceedings of the 2002 IEEE/ACM international conference on Computer-aided design
Reducing Multimedia Decode Power using Feedback Control
ICCD '03 Proceedings of the 21st International Conference on Computer Design
Denial-of-Service Attacks on Battery-powered Mobile Computers
PERCOM '04 Proceedings of the Second IEEE International Conference on Pervasive Computing and Communications (PerCom'04)
Lightweight floating-point arithmetic: case study of inverse discrete cosine transform
EURASIP Journal on Applied Signal Processing
Low power design of DCT and IDCT for low bit rate video codecs
IEEE Transactions on Multimedia
Dynamic frequency scaling with buffer insertion for mixed workloads
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
| Hi-index | 0.00 |
We present a novel, quality-driven, architectural-level approach that trades-off the output quality to enable power-aware processing of multimedia streams. The error tolerance of multimedia data is exploited to selectively eliminate computation while maintaining a specified output quality. We construct relaxed, synthesized power macro-models for power-hungry units to predict the cycle-accurate power consumption of the input stream on the fly. The macro-models, together with an effective quality model, are integrated into a programmable architecture that allows both power savings and quality to be dynamically tuned with the available battery-life. In a case study, power monitors are integrated with functional units of the IDCT module of a MPEG-2 decoder. Experiments indicate that, for a moderate power monitor energy overhead of 5%, power savings of 72% in the functional units can be achieved resulting in an increase in battery life by 1.95x.