Matthias Boehm created SYSTEMML-959:
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Summary: Misc performance improvements 0.11 release
Key: SYSTEMML-959
URL: https://issues.apache.org/jira/browse/SYSTEMML-959
Project: SystemML
Issue Type: Task
Components: Compiler, Runtime
Reporter: Matthias Boehm
This task tracks various minor performance features for the upcoming 0.11
release (identified ). In detail, this includes:
1) New IPA pass 'move checkpoint after update' (avoid unnecessary caching)
2) Avoid unnecessary 'parfor eager caching' count if RDD already cached
3) Performance grouped aggregate (full reduce if single block aggregation)
4) Avoid unnecessary eviction after appending vector of ones (merge append into
binary read)
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