ruby: fixed latency memory controller

Information
Submitter:	Tony Gutierrez
Repository:	gem5
Branch:	default
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Description

Changeset 11196:bb9212a4b8d1
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ruby: fixed latency memory controller

This patch adds a simple fixed latency dram model to facilitate simple
limit-study investigations.

Testing Done

To me this seems redundant. We already have SimpleMemory. Why not use that?

Andreas Hansson Nov. 12, 2015, 3:04 p.m. (Nov. 12, 2015, 3:04 p.m.)
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Ping
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Matthew Poremba Nov. 12, 2015, 4:38 p.m. (Nov. 12, 2015, 4:38 p.m.)

The intention of this patch is to handle a large number of requests at main memory while ignoring detailed DRAM modeling/bus contention. SimpleMemory restricts the number of requests that can be issued based on the bandwidth. We are testing subclassing SimpleMemory with (infinitely) large bandwidth to see if behaves as we expect, then we can repost a patch using SimpleMemory.

Andreas Hansson Nov. 12, 2015, 4:39 p.m. (Nov. 12, 2015, 4:39 p.m.)
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The bandwidth is a parameter. Just override it :-)
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