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authorMitch Hayenga <mitch.hayenga+gem5@gmail.com>2014-01-29 23:21:26 -0600
committerMitch Hayenga <mitch.hayenga+gem5@gmail.com>2014-01-29 23:21:26 -0600
commit96317d466ea26955ce26f658f162755b39d3352e (patch)
tree2ac30c0120148197f833244b090de6f044f7d43c /src/unittest/symtest.cc
parent771c864bf407b57bf91896f38e989e8a36cd9cd1 (diff)
downloadgem5-96317d466ea26955ce26f658f162755b39d3352e.tar.xz
mem: Add additional tolerance to stride prefetcher
Forces the prefetcher to mispredict twice in a row before resetting the confidence of prefetching. This helps cases where a load PC strides by a constant factor, however it may operate on different arrays at times. Avoids the cost of retraining. Primarily helps with small iteration loops. Committed by: Nilay Vaish <nilay@cs.wisc.edu>
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