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Prototype thin PyO3 bindings with TreeTensorNetwork as the sole network type

enhancementNew feature or requestNew feature or request

Status: Open.

#744 In tensor4all/tensor4all-rs;

· shinaoka opened on Sep 7, 2026

Add cache blocking to Matrix transpose

Status: Open.

#738 In tensor4all/tensor4all-rs;

· lingrui96 opened on Sep 6, 2026

Gate then eliminate per-element allocations in structured index selection

Status: Open.

#737 In tensor4all/tensor4all-rs;

· lingrui96 opened on Sep 6, 2026

Restructure TreeTN fit environment caches to drop clone-for-lookup and recomputed neighbor order

Status: Open.

#735 In tensor4all/tensor4all-rs;

· lingrui96 opened on Sep 6, 2026

Broad performance audit: 12 findings outside SRC (fit, zip-up, backend, index utilities)

Status: Open.

#697 In tensor4all/tensor4all-rs;

· lingrui96 opened on Aug 30, 2026

SRC/incremental-QR bookkeeping pays O(final_size²) copy cost: Matrix/IdxTensor have no capacity-reserving growth API

Status: Open.

#696 In tensor4all/tensor4all-rs;

· lingrui96 opened on Aug 30, 2026

contract_zipup gives wrong result when max_bond_dim exactly equals the network's natural rank (no headroom)

Status: Open.

#695 In tensor4all/tensor4all-rs;

· lingrui96 opened on Aug 30, 2026

bug(treetci): global pivot search grows a pivot set past an edge's maximal rank (bond ranks disagree across edge)

bugSomething isn't workingSomething isn't working

Status: Open.

#692 In tensor4all/tensor4all-rs;

· shinaoka opened on Aug 28, 2026

Parallel SRC via interface sketching (combine arXiv:2606.23274 sub-TT partitioning with SRC)

enhancementNew feature or requestNew feature or request

Status: Open.

#691 In tensor4all/tensor4all-rs;

· shinaoka opened on Aug 27, 2026

[treetn] Branched-tree zip-up is inaccurate for non-canonical input states

bugSomething isn't workingSomething isn't working

Status: Open.

#689 In tensor4all/tensor4all-rs;

· lingrui96 opened on Aug 26, 2026

[treeaci] Track confirmed redundant work separately from correctness-critical costs

Status: Open.

#686 In tensor4all/tensor4all-rs;

· lingrui96 opened on Aug 25, 2026

treetn: contract_naive_to_treetn silently ignores max_bond_dim / svd_policy / qr_rtol truncation options

Status: Open.

#684 In tensor4all/tensor4all-rs;

· tensor4all-ai-bot opened on Aug 23, 2026