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The cost of maintaining an application code would significantly increase if the application code is branched into multiple versions, each of which is optimized for a different architecture. In this work, default and vector versions of a realworld application code are refactored to be a single version, and the differences between the versions are expressed as userdefined code transformations. As a...
The Xevolver framework has been developed to enable application programmers to define their own code translation rules outside of their codes so that they can express platform-specific optimizations separately from algorithm-level application codes. Due to the diversity of HPC node architectures, the Xevolver framework has so far mainly been used to separate node-level code optimizations from application...
This paper reports a case study of using the Xevolver code transformation framework for data layout optimizations of high-performance computing (HPC) applications. Due to the variety of data structures used in individual applications, a code transformation rule for data layout optimizations is generally specific to a particular application. Since the Xevolver framework enables users to define their...
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