Issues

• Pin bump to tenferro a3b40ff0 changes the adaptive M2 golden outputs

  tensor4all/tensor4all-rs#930 · Filter by author shinaoka opened on Oct 12, 2026
  3

• Proposal: enforce the additive-growth rules (file-size trigger, reuse-before-add, removal attestation) as non-blocking review checks

  enhancement
  tensor4all/tensor4all-rs#917 · Filter by author lingrui96 opened on Oct 11, 2026

• [Discussion] Repository-wide design questions: stack boundaries, chain/tree algorithm overlap, truncation vocabulary, feature model, module size

  question
  tensor4all/tensor4all-rs#915 · Filter by author lingrui96 opened on Oct 11, 2026

• simplett: sum()/norm2()/log_norm() silently return wrong values for a TT with a non-unit trailing bond (evaluate() errors)

  tensor4all/tensor4all-rs#913 · Filter by author tensor4all-ai-bot opened on Oct 11, 2026

• treetci: let the caller choose the edge visit order (results depend on site numbering)

  enhancement
  tensor4all/tensor4all-rs#901 · Filter by author simonb282 opened on Oct 11, 2026

• treetci: two passes per iteration with an iteration-counted stop window cost 1.1-1.6x TCI2's function evaluations on chains

  enhancement
  tensor4all/tensor4all-rs#899 · Filter by author lingrui96 opened on Oct 11, 2026
  1

• tensor4all-tensorbackend: no way to set the thread count of the process-global CPU context from code

  enhancement
  tensor4all/tensor4all-rs#898 · Filter by author simonb282 opened on Oct 11, 2026

• apply_linear_operator: no way to choose the contraction centre

  tensor4all/tensor4all-rs#897 · Filter by author simonb282 opened on Oct 11, 2026

• [treeaci] Investigate residual G0 timing differences after withdrawing pivot retention

  tensor4all/tensor4all-rs#896 · Filter by author lingrui96 opened on Oct 10, 2026

• ci: use kache-action's cache-key-salt once kunobi-ninja/kache-action#42 lands

  testing
  tensor4all/tensor4all-rs#894 · Filter by author shinaoka opened on Oct 10, 2026

• perf(tensorbackend): the 256-entry einsum plan cache thrashes, and N-ary execution still searches contraction orders per call

  tensor4all/tensor4all-rs#891 · Filter by author Ken-physics opened on Oct 10, 2026

• Pre-PR audit: feat/tree-adaptive-patching and rewrite/tree-rsi (KISS/DRY, duplication, local gates)

  tensor4all/tensor4all-rs#886 · Filter by author shinaoka opened on Oct 10, 2026

• core: tensor4all-core does not compile with its own tenferro-cuda feature (eager linalg extension methods missing)

  tensor4all/tensor4all-rs#871 · Filter by author shinaoka opened on Oct 9, 2026

• [Umbrella] Dual tensorbackend frontends; staged app adoption of concrete sessions and async transfers

  tensor4all/tensor4all-rs#859 · Filter by author shinaoka opened on Oct 9, 2026

• tensor4all-hdf5: load_treetn drops the canonical region and form (TreeTN analogue of #294)

  bug
  tensor4all/tensor4all-rs#858 · Filter by author simonb282 opened on Oct 9, 2026

• [treeaci] Umbrella: unresolved correctness, numerical, and resource-contract defects

  bug
  tensor4all/tensor4all-rs#854 · Filter by author lingrui96 opened on Oct 8, 2026
  2

• Reduce CI compilation time and redundant validation during multi-PR rounds

  enhancementperformancetesting
  tensor4all/tensor4all-rs#848 · Filter by author lingrui96 opened on Oct 7, 2026

• svd_with misses a singular value near 1e-12 relative: faer's Householder QR skips nearly dependent columns

  bug
  tensor4all/tensor4all-rs#836 · Filter by author simonb282 opened on Oct 7, 2026
  1

• partitionedtt: define how parallel (Rayon) and MPI adaptive interpolation consume caller-owned randomness

  tensor4all/tensor4all-rs#825 · Filter by author shinaoka opened on Oct 4, 2026

• treetci: update_edge computes and discards LU factors (11% of LUCI time)

  performance
  tensor4all/tensor4all-rs#803 · Filter by author lingrui96 opened on Oct 3, 2026

• treetn: inner, SRC contraction and factorize_tensor_to_treetn fail on site-free nodes (and suspected linsolve/DMRG/TDVP/GSE paths)

  bug
  tensor4all/tensor4all-rs#797 · Filter by author lingrui96 opened on Oct 2, 2026

• Investigate possible repeated TreeACI guard searches for saturated pivots

  tensor4all/tensor4all-rs#794 · Filter by author lingrui96 opened on Sep 30, 2026
  3

• [treeaci] Rank oscillation and non-improving sweeps at the tolerance boundary (MaxSweeps at 1e-8 on a DMRG |psi|^2 product)

  tensor4all/tensor4all-rs#784 · Filter by author lingrui96 opened on Sep 27, 2026
  8

• partitionedtreetn: audit of the merge-refine schedule (#752): adaptive stop freezes input merging, ledger overspend for multi-term items, exact mode never truncates

  tensor4all/tensor4all-rs#777 · Filter by author shinaoka opened on Sep 25, 2026

• Adaptive orthogonal-target reconstruction and subset-site QFT integration

  tensor4all/tensor4all-rs#752 · Filter by author shinaoka opened on Sep 15, 2026
  19