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From GitBox <...@apache.org>
Subject [GitHub] [systemml] phaniarnab opened a new pull request #915: [SYSTEMDS-335]Updated weighted scheme for lineage cache eviction.
Date Mon, 18 May 2020 15:23:11 GMT

phaniarnab opened a new pull request #915:
URL: https://github.com/apache/systemml/pull/915


   This patch updates the weighted scheme by adding an elaborated scoring function. The function
has two components - a ratio of compute time, in-memory size, and a last-used timestamp. The
components are associated with weights, which can tune the eviction policies (e.g. weights
0 and 1 for time/size and timestamp respectively translate to LRU scheme). This patch also
replaces the earlier PriorityQueye by a TreeSet.


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