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  1. Proceedings of the 2003 workshop on MEmory performance (MEDEA '03)
  2. A proposal for input-sensitivity analysis of profile-driven optimizations on embedded applications
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A case for resource-conscious out-of-order processors: towards kilo-instruction in-flight processors
A case for shared instruction cache on chip multiprocessors running OLTP
Memory in processor: a novel design paradigm for supercomputing architectures
A workload characterization of elliptic curve cryptography methods in embedded environments
Data cache management on EPIC architecture: optimizing memory access for image processing
Java object look aside buffer for embedded applications
A leakage-energy-reduction technique for highly-associative caches in embedded systems
HIBRID-SOC: a multi-core architecture for image and video applications
A scalable, clustered SMT processor for digital signal processing
A proposal for input-sensitivity analysis of profile-driven optimizations on embedded applications

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A proposal for input-sensitivity analysis of profile-driven optimizations on embedded applications

Content Provider ACM Digital Library
Author Bartolini, S. Prete, C. A.
Abstract The ever-increasing gap between processor and memory speed is an issue also in embedded systems, because of the increased complexity of multimedia elaborations and the strict resource constraints of these devices.Profile-driven code optimization techniques can be effectively employed for tuning application-cache interaction and performances of cache system itself. In fact, applications running on such systems are usually known in advance and do not change over time. In a previous paper, we presented a profile-based code restructuring technique (CAT) that was able to dramatically increase cache exploitation of embedded applications.However, it is well known that profile-driven optimizations can suffer from input-sensitivity problems: an application that is optimized for a particular input can perform even worse than the original one, when subjected other inputs.In this paper we take into account jpeg and mpeg compressor/decompressor applications and analyze the input-sensitivity of CAT improved layouts over a wide range of inputs. The input sets were accurately determined through both black-box and white-box analysis of applications.We propose two metrics for measuring the input-sensitivity of application layouts, and show how our profile-driven code transformation technique is able to reduce the input-sensitivity of the considered applications up to 48% on caches ranging from 1 KByte to 8KByte.
Starting Page 70
Ending Page 77
Page Count 8
File Format PDF
DOI 10.1145/1152923.1024305
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2003-09-27
Publisher Place New York
Access Restriction Subscribed
Content Type Text
Resource Type Article
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