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Add an ml extra for gradients in SQL, and two ML demos - #269

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ml-demos

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Add an ml extra for gradients in SQL, and two ML demos#269
alxmrs wants to merge 28 commits into
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ml-demos

Commits on Oct 26, 2026
- Add an ml extra for gradients in SQL, and three ML demos
  
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  53958d4
- Address review: complete SQL statements, nanoGPT's model, introductions
  
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- Train the GPT with nanoGPT's AdamW behind --optimizer adamw
  
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- Define attention once, as a view, and its loss separately
  
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- Split the GPT into a model view and a separate loss
  
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- Fix lint: format the GraphCast script, and type two values for mypy
  
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- Differentiate the softmax's window MAX directly with ddxdb 0.3.1
  
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- Require ddxdb 0.3.2 and record its faster GPT steps
  
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- Require ddxdb 0.3.3 and record its faster gradients
  
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- Require ddxdb 0.4.0, on DataFusion 55
  
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- Record the demos on ddxdb 0.4.0 and in-memory tables
  
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- Take gradients on DuckDB through ddx
  
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- Size the GPT from the command line, and record where its time goes
  
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- Move the GraphCast demo to its own PR
  
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- Build the GPT's block from attention, mlp and residual, as nanoGPT does
  
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- Run the ML demos in CI, and say how to contribute one
  
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- Say that a mask is absent rows, and an infinity only tests it
  
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- Require ddxdb 0.4.2, and record the demos on it
  
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Commits on Oct 27, 2026
- Address review: fail on new refusals, run AdamW, lock JAX and ddx's DuckDB
  
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- Merge main, with Context.prepare, into ml-demos
  
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Commits on Oct 28, 2026
- Require ddxdb 0.4.3, which trains the GPT on DuckDB
  
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- Run the GPT's CTEs once each on DataFusion, so it trains past one layer
  
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Commits on Oct 29, 2026
- Require ddxdb 0.4.5, which frees each step's tables after their last reader
  
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Commits on Oct 30, 2026
- Run the ML demos on einfold 0.1.0rc1, and require ddxdb 0.4.6
  
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- Address review: ignore grad( in literals, and skip JAX on Intel macOS
  
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- Require einfold 0.1.0rc2, and install the test extra for the ML demos
  
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- Write the GPT as functions of relations, as nanoGPT's modules are
  
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- Write the GPT as plain SQL again, without the shared-CTE workaround
  
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Commits

Commits on Oct 26, 2026

Commits on Oct 27, 2026

Commits on Oct 28, 2026

Commits on Oct 29, 2026

Commits on Oct 30, 2026