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We introduce a dynamic scheme that captures the accesspat-terns of linked data structures and can be used to predict future accesses with high accuracy. Our technique exploits the dependence relationships that exist between loads that produce addresses and loads that consume these addresses. By identzj+ing producer-consumer pairs, we construct a compact internal representation for the associated structure and its traversal. To achieve a prefetching eflect, a small prefetch engine speculatively traverses this representation ahead of the executing program. Dependence-based prefetching achieves speedups of up to 2.5 % on a suite of pointer-intensive programs. 1
Roth et al. (Thu,) studied this question.