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Runtime and Install-Time Binary Translation for Reconfigurable Accelerators

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Title
Runtime and Install-Time Binary Translation for Reconfigurable Accelerators
Author
Mai, Toan Xuan
Advisor
Lee, Jongeun
Issue Date
2013-02
Publisher
Graduate School of UNIST
Abstract
Nowadays, softwares are often distributed in form of some machine-independent intermediate representation (IR), because compared to machine-dependent native binary, the IR is more portable across a wide range of architectures, has better security, and contains richer semantic information. However, the problem of making use of the accelerator in a target machine to speedup the execution of the IR on top of a just-in-time compiler (JIT) is challenging, mainly because the discovery of compute-intensive kernels and the partitioning of the application to the kernel and sequential parts must be done based on the IR alone, without the access to the program source code as well as the kernel information in the IR. In this work, we propose a Runtime Binary Translation (RBT) technique that can dynamically identify and translate kernels IR to Coarse-Grained Reconfigurable Array (CGRA) accelerator configuration, and offoad the execution of the kernels onto the accelerator. Also, we simplify the RBT approach to make the Install-time Binary Translation (IBT) approach, which does the partitioning and the translation right at the install-time instead of at the runtime. Experimental results show that our RBT and IBT techniques can improve the runtime of the application IR by 1.44 times and 1.61 times, respectively, compare to the runtime on the JIT that does not support making use of the accelerator.
Description
Computer Engineering
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