Matthias Boehm created SYSTEMML-2294:
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Summary: Constrained parfor optimizer input overwritten with
defaults
Key: SYSTEMML-2294
URL: https://issues.apache.org/jira/browse/SYSTEMML-2294
Project: SystemML
Issue Type: Bug
Reporter: Matthias Boehm
The parfor construct supports various optimizers, including a {{CONSTRAINED}}
optimizer that that optimized around user-provided defaults. To do so it makes
sure that these parameters are propagated down to the runtime, and marking all
other paramters as unspecified, whereas for other optimizers (incl NONE)
unspecified parameters are replaced with defaults.
All parameters are supposed to be case-insensitive. However, if {{constrained}}
instead of {{CONSTRAINED}} is used the unspecified parameters are replaced with
default which look from the perspective of the constrained optimizer as
user-provided input that cannot be changed.
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