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@j143 j143 commented Oct 16, 2025

In the resettable stream, the expectation is - are we going to load the whole X dataset or a sub part of it?
or like spark we shall load the necessary amount blocks enough to process the whole calculation few blocks at a time.

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mboehm7 commented Oct 18, 2025

LGTM - thanks @j143 for the reproducible test. During the merge I cleaned up the test and computation of expected results, and also removed the unnecessary compiler changes. I'll have a look to fix these issues today.

@mboehm7 mboehm7 closed this in 01ec1d7 Oct 18, 2025
@github-project-automation github-project-automation bot moved this from In Progress to Done in SystemDS PR Queue Oct 18, 2025
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mboehm7 commented Oct 18, 2025

OK, the test is now working - besides incorrect metadata for reading the output matrix, it was due to a specific transpose rewrite that destroyed the OOC pipeline. This issue also pointed to additional primitives we need as well as much better exception handling (because currently OOC instructions spawn threads without waiting so exceptions from these threads never surface).

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