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Optional forward mode for jac/jac-vec products #2526

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mlubin opened this issue Jul 21, 2024 · 1 comment
Open

Optional forward mode for jac/jac-vec products #2526

mlubin opened this issue Jul 21, 2024 · 1 comment
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Project: next-gen nonlinear support Issues relating to nonlinear support

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@mlubin
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mlubin commented Jul 21, 2024

@amontoison observed that we could use forward mode for the jacobian and jacobian-vector products when the number of variables is less than the number of rows to get better performance than the current approach that uses reverse mode always.
@odow odow added the Project: next-gen nonlinear support Issues relating to nonlinear support label Jul 21, 2024
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odow commented Sep 18, 2024

This could be best implemented as a new AD backend. It shouldn't be too complicated.

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