Matthias Boehm created SYSTEMML-2066:
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Summary: Candidate exploration w/ unknowns
Key: SYSTEMML-2066
URL: https://issues.apache.org/jira/browse/SYSTEMML-2066
Project: SystemML
Issue Type: Sub-task
Reporter: Matthias Boehm
Various JMLC applications (for low-latency scoring) would also benefit from
code generation. However, by default, JMLC disables dynamic recompilation in
order to avoid unnecessary compilation overhead. Since both candidate
exploration and candidate selection rely on sizes for validity constraints and
cost comparisons, the unknowns during initial compilation can lead to invalid
plans (e.g., selecting a vector side input as main input).
This task aims to introduce a new candidate exploration mode that only
considers safe candidates such as unary operations, or binary matrix-scalars
operations, which do not depend on size information.
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