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An integrated approach to accelerate data and predicate computations in hyperblocks

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3 Author(s)
Eichenberger, A. ; North Carolina State Univ., Raleigh, NC, USA ; Meleis, W. ; Maradani, S.

To exploit increased instruction-level parallelism available in modern processors, we describe the formation and optimization of tracenets, an integrated approach to reducing the length of the critical path in data and predicated computation. By tightly integrating selective path expansion and path optimization within hyperblocks, our algorithm is able to produce highly optimized code without exploring the exponentially large number of paths included in a hyperblock. Our approach extracts more of the implicit predicate correlations in hyperblocks and uses a precise model of predicate correlations to aggressively accelerate data and predicate computations. Experimental results indicate that tracenets can significantly reduce the number of dynamic execution cycles

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Microarchitecture, 2000. MICRO-33. Proceedings. 33rd Annual IEEE/ACM International Symposium on

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