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Pull requests: pymc-devs/pytensor
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Implement Scan based New feature or request scan
filter helper enhancement #1717 by emekaokoli19 was merged Nov 16, 2025 Loading…
6 tasks done
Start deprecating shared updates functionality in Scan major Op implementation random variables scan
#1704 by ricardoV94 was merged Nov 8, 2025 Loading…
Support Scan with MIT-MOT in JAX backend backend compatibility gradients jax scan
#1651 by ricardoV94 was merged Oct 27, 2025 Loading…
Fix bug in gradient of Blockwise'd Scan bug Something isn't working gradients scan vectorization
#1482 by ricardoV94 was merged Jun 16, 2025 Loading…
Avoid default allocation for taps of length 1 in ScanSaveMem graph rewriting maintenance scan
#1395 by ricardoV94 was merged May 30, 2025 Loading…
Remove Something isn't working graph rewriting major Op implementation scan shape inference
Unbroadcast Op bug #1286 by ricardoV94 was merged Mar 18, 2025 Loading…
Speedup
Scan in different backends memory_optimization performance scan #1281 by ricardoV94 was merged Mar 13, 2025 Loading…
Fix inner graph inplace rewrites in Numba / PyTorch backends bug Something isn't working memory_optimization numba OpFromGraph scan torch PyTorch backend
#1247 by ricardoV94 was merged Feb 27, 2025 Loading…
Compute pushforward (Rop) via double application of pullback (Lop) and fix Scan and Max gradient bugs bug Something isn't working enhancement New feature or request gradients scan
#1207 by ricardoV94 was merged Feb 17, 2025 Loading…
Fix Something isn't working scan
scan_checkpoints with sequences bug #754 by ricardoV94 was merged May 11, 2024 Loading…
6 of 10 tasks
Allow more dynamic shape scans to be compiled enhancement New feature or request jax scan shape inference
#647 by ricardoV94 was merged Mar 13, 2024 Loading…
6 of 11 tasks
Do not merge while scans with different until condition bug Something isn't working graph rewriting scan
#510 by ricardoV94 was merged Nov 23, 2023 Loading…
Exclude backend incompatible rewrites in Scan dispatch backend compatibility bug Something isn't working graph rewriting jax numba scan
#427 by ricardoV94 was merged Sep 17, 2023 Loading…
Fix JAX Scan for output ndim > 1 bug Something isn't working jax scan
#288 by jessegrabowski was merged May 10, 2023 Loading…
Implement scalar loop for iterative gradients gradients major Op implementation performance request discussion scan
#283 by ricardoV94 was merged May 14, 2023 Loading…
Fix scan save memory rewrite bug bug Something isn't working graph rewriting scan
#236 by ricardoV94 was merged Mar 8, 2023 Loading…
Speedup Numba Scans with vector inputs numba performance scan
#235 by ricardoV94 was merged May 10, 2023 Loading…
Fix Scan JAX dispatcher backend compatibility bug Something isn't working enhancement New feature or request jax scan
#232 by ricardoV94 was merged Apr 4, 2023 Loading…
Optimize while scans when only last state is needed enhancement New feature or request graph rewriting performance scan
#216 by ricardoV94 was merged Feb 24, 2023 Loading…
1 task done
Implement Scalar Scan (as dummy Op) gradients Op implementation performance request discussion scan
#174 by ricardoV94 was closed May 14, 2023 • Draft
Make scan to be a cython extension C-backend scan
#77 by ferrine was merged Dec 15, 2022 Loading…
6 tasks
Optimize Scan inner graph when compiling to Numba bug Something isn't working numba scan
#28 by ricardoV94 was merged Nov 24, 2022 Loading…
ProTip! Updated in the last three days: updated:>2025-11-29.