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Support for sparse jacobians

enhancementNew feature or requestNew feature or request

feature request

gradients

help wantedExtra attention is neededExtra attention is needed

sparse variables

Status: Open.

#1499 In pymc-devs/pytensor;

· jessegrabowski opened on Jun 26, 2025

Improve dot lift rewrites

gradients

graph rewriting

performance

Status: Open (in progress).

pymc-devs/pytensornumber 1471

#1471 In pymc-devs/pytensor;

· ricardoV94 opened on Jun 13, 2025

<code>optimize.root</code> raises error computing gradients with respect to inputs when no args are found

bugSomething isn't workingSomething isn't working

gradients

maintenance

Status: Open.

#1466 In pymc-devs/pytensor;

· jessegrabowski opened on Jun 11, 2025

Disable runtime broadcasting in indexing operations

bugSomething isn't workingSomething isn't working

gradients

indexing

Status: Open.

#1348 In pymc-devs/pytensor;

· ricardoV94 opened on Apr 8, 2025

Sparse <code>MulSD</code> Op gradient raises when dense is scalar

bugSomething isn't workingSomething isn't working

gradients

sparse variables

Status: Open.

#1338 In pymc-devs/pytensor;

· jessegrabowski opened on Apr 1, 2025

Consider using fft for convolution to reduce cost of multiple convolutions with shared inputs

convolution

gradients

graph rewriting

Status: Open.

#1320 In pymc-devs/pytensor;

· ricardoV94 opened on Mar 24, 2025

Rewrite nested inc/set_subtensor on zeros

gradients

graph rewriting

indexing

scan

Status: Open.

#1292 In pymc-devs/pytensor;

· ricardoV94 opened on Mar 12, 2025

Allow jacobian and hessian of arbitrary dimension expressions

enhancementNew feature or requestNew feature or request

gradients

Status: Open.

#1225 In pymc-devs/pytensor;

· ricardoV94 opened on Feb 19, 2025

Add option to disable OpFromGraph.L_Op/R_Op from being wrapped in their own OpFromGraph

enhancementNew feature or requestNew feature or request

gradients

OpFromGraph

Status: Open.

#1174 In pymc-devs/pytensor;

· ricardoV94 opened on Jan 25, 2025

Sparsity support in pytensor

enhancementNew feature or requestNew feature or request

gradients

linalgLinear algebraLinear algebra

Status: Open.

#1127 In pymc-devs/pytensor;

· Ch0ronomato opened on Dec 15, 2024

Add option to implement vectorized hessian/jacobian

gradients

vectorization

Status: Open.

#756 In pymc-devs/pytensor;

· ricardoV94 opened on May 8, 2024

Add support for multiple output functions to <code>gradient.verify_grad</code>

enhancementNew feature or requestNew feature or request

feature request

gradients

Status: Open.

#644 In pymc-devs/pytensor;

· jessegrabowski opened on Feb 12, 2024