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authorAndreas Hansson <andreas.hansson@arm.com>2013-11-01 11:56:26 -0400
committerAndreas Hansson <andreas.hansson@arm.com>2013-11-01 11:56:26 -0400
commitbb572663cf1ba802492743f1196eb9eac4c20bea (patch)
tree7ff2e2901957bbdeb1b64c9aca453255706d22a9 /src/cpu
parentda6fd72f62578d0a981de8bb37dfb803d6c13f8a (diff)
downloadgem5-bb572663cf1ba802492743f1196eb9eac4c20bea.tar.xz
mem: Add a simple adaptive version of the open-page policy
This patch adds a basic adaptive version of the open-page policy that guides the decision to keep open or close by looking at the contents of the controller queues. If no row hits are found, and bank conflicts are present, then the row is closed by means of an auto precharge. This is a well-known technique that should improve performance in most use-cases.
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