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Exploiting Locality in Single Assignment Data Structures Updated Through Split-Phase Transactions |
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| Authors: | José Nelson Amaral Wen-Yen Lin Jean-Luc Gaudiot Guang R Gao |
| Institution: | (1) Department of Computing Science, University of Alberta, Edmonton, AB, Canada;(2) Tia Mobile Inc., Pasadena, CA, USA;(3) Department of Electrical Engineering, University of Southern California, Los Angeles, CA, USA;(4) Computer Architecture and Parallel Systems Laboratory, Department of Electrical and Computer Engineering, University of Delaware, Newark, DE, USA |
| Abstract: | We present the design, implementation, and evaluation of single assignment data structures and of a software controlled cache in an existing multi-threaded architecture platform – the Efficient Architecture for Running Threads (EARTH). The I-Structure Software-Controlled Cache (ISSC) exploits temporal and spatial locality of EARTH split-phased memory transactions for single-assignment memory references. Our experimental evaluation indicates that the caching mechanism for single-assignment storage makes the EARTH memory system more robust to variations in the latency of memory operations. As a consequence the system can be ported to a wider range of machine platforms and deliver speedup for both regular and irregular application. |
| Keywords: | single assignment split-phase transactions software cache fine-grain multi-threading EARTH |
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