Matthias Boehm created SYSTEMML-2010:
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Summary: Generalized rewrite for merging sequence of statement
blocks
Key: SYSTEMML-2010
URL: https://issues.apache.org/jira/browse/SYSTEMML-2010
Project: SystemML
Issue Type: Task
Reporter: Matthias Boehm
This task aims to generalize the existing rewrite for merging unconditional
sequences of statement blocks. So far we avoid merging if either block has
function calls in it. However, this is too conservative, as we good still merge
blocks if written variables are not read in the subsequent block, leading to
missed opportunities for common subexpression elimination.
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