Matthias Boehm created SYSTEMML-2220:
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Summary: Performance ultra-sparse block operations
Key: SYSTEMML-2220
URL: https://issues.apache.org/jira/browse/SYSTEMML-2220
Project: SystemML
Issue Type: Sub-task
Reporter: Matthias Boehm
There are already special cases for ultra-sparse block multiplication for
selection matrices. This task aims to generalize this to lhs ultra-sparse
matrices having rows with a single non-zero (with optional scaling).
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