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  1. Proceedings of the 2005 workshop on Software and compilers for embedded systems (SCOPES '05)
  2. Combining compiler and operating system support for energy efficient I/O on embedded platforms
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Language support for interoperable messaging in sensor networks
Performance guarantees by simulation of process
A real-time garbage collection framework for embedded systems
A software-only compression system for trading-offs between performance and code size
Software synthesis from the dataflow interchange format
Generic software pipelining at the assembly level
The bit-reversal SDRAM address mapping
Global memory optimisation for embedded systems allowed by code duplication
Combining compiler and operating system support for energy efficient I/O on embedded platforms
DSP address optimization using evolutionary algorithms
MTP: a Petri net-based framework for the analysis and transformation of SystemC designs
Power optimizations for the MLCA using dynamic voltage scaling

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Combining compiler and operating system support for energy efficient I/O on embedded platforms

Content Provider ACM Digital Library
Author Nathuji, Ripal Schwan, Karsten Seshasayee, Balasubramanian
Abstract Mobile and embedded platforms have experienced dramatic advances in capabilities, largely due to the development of associated peripheral devices for storage and communication. The incorporation of these I/O devices has increased the overall power envelope of these platforms. In fact, system-level power consumption of mobile platforms is often dominated by peripheral devices. Since battery technologies alone have been unable to provide the lifetimes required by many platforms, in order to conserve energy, most devices provide the ability to transition into low power states during idle periods. The resulting energy savings are heavily dependent upon the lengths and number of idle periods experienced by a device. This paper presents an infrastructure designed to take advantage of device low power states by increasing the burstiness of device accesses and idle periods to provide a reduced power profile, and thereby an improvement in battery life. Our approach combines compiler-based source modifications with operating system support to implement a dynamic solution for enhanced energy consumption. We evaluate our infrastructure on an XScale-based embedded platform with a Linux implementation.
Starting Page 80
Ending Page 90
Page Count 11
File Format PDF
ISBN 1595932070
DOI 10.1145/1140389.1140398
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2005-09-29
Publisher Place New York
Access Restriction Subscribed
Content Type Text
Resource Type Article
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