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from e5527cd72 Merge pull request #669 from mspruc/bump-CodeQL
add 9717a5050 Deterministic plan selection with stable comparator + add
integration test
add e7d850e45 Ensure plan enumeration & channel conversion are
deterministic. Use ordered sets for scope/slot tracking, add stable cost
tiebreaker, and cover with determinism tests.
new 198ff8e02 Merge pull request #662 from
novatechflow/pr/deterministic-plans
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Summary of changes:
.../optimizer/channels/ChannelConversionGraph.java | 48 +++++--
.../optimizer/costs/DefaultEstimatableCost.java | 6 +-
.../enumeration/LatentOperatorPruningStrategy.java | 2 +-
.../optimizer/enumeration/PlanEnumeration.java | 23 ++--
.../optimizer/enumeration/PlanImplementation.java | 85 +++++++++++-
.../optimizer/enumeration/TopKPruningStrategy.java | 10 +-
.../java/org/apache/wayang/core/util/MultiMap.java | 8 +-
.../apache/wayang/core/util/WayangCollections.java | 8 +-
.../ChannelConversionGraphDeterminismTest.java | 137 ++++++++++++++++++
.../PlanEnumerationDeterminismTest.java | 153 +++++++++++++++++++++
10 files changed, 431 insertions(+), 49 deletions(-)
create mode 100644
wayang-commons/wayang-core/src/test/java/org/apache/wayang/core/optimizer/channels/ChannelConversionGraphDeterminismTest.java
create mode 100644
wayang-commons/wayang-core/src/test/java/org/apache/wayang/core/optimizer/enumeration/PlanEnumerationDeterminismTest.java
