Using Shared Library Interposing for Transparent Application Acceleration in Systems With Heterogeneous Hardware Accelerators

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Executive Summary

Today's computer systems increasingly comprise heterogeneous computing elements like multi-core processors, graphics processing units, and specialized co-processors, which allow parallel processing. Programming applications to utilize such systems is a complex process and needs good knowledge about the hardware architecture. Automatic and transparent use of these resources is a major concern of domain specific software developers and users. The authors present a new approach of using shared library interposing to replace libraries in binary applications with highly optimized accelerated versions. A plugin-based framework was developed, which allows interposing shared library calls, delegating them to accelerator specific libraries and adapting them to the library specific interface.

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