fix: SiblingSubgraph::try_from_nodes for non-entrypoint region by aborgna-q · Pull Request #2655 · Quantinuum/hugr

aborgna-q · 2025-10-31T12:42:04Z

The issue was not with const edges, but rather with creating a subgraph with nodes not from the entrypoint region.

lmondada · 2025-10-31T12:43:41Z

hugr-core/src/hugr/views/sibling_subgraph.rs

-    let (region, node_map) = hugr.region_portgraph(hugr.entrypoint());
+    // Pick the hugr region that contains the boundary nodes.
+    // If the nodes are not in the same region, we'll fail the convexity check later on.
+    let mut nodes = inputs


Maybe don't call this nodes, it's a bit confusing. Something like input_output_nodes (or just io_nodes)?

lmondada · 2025-10-31T12:44:00Z

merge before 3pm, otherwise my review will be worthless :)

codecov · 2025-10-31T12:50:42Z

Codecov Report

❌ Patch coverage is 96.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 83.35%. Comparing base (01e7ac0) to head (381ff41).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
hugr-core/src/hugr/views/sibling_subgraph.rs	96.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2655   +/-   ##
=======================================
  Coverage   83.35%   83.35%           
=======================================
  Files         259      259           
  Lines       50628    50652   +24     
  Branches    46189    46213   +24     
=======================================
+ Hits        42200    42223   +23     
  Misses       6061     6061           
- Partials     2367     2368    +1

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rust	`82.58% <96.00%> (+<0.01%)`	⬆️

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codspeed-hq · 2025-10-31T12:52:40Z

CodSpeed Performance Report

Merging #2655 will degrade performances by 99.09%

_{Comparing ab/fix-sibling-subgraph-entrypoint (381ff41) with main (01e7ac0)}

Summary

❌ 3 regressions
✅ 22 untouched

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	`BASE`	`HEAD`	Change
❌	`fewnode_subgraph[1000]`	49.1 µs	5,394.8 µs	-99.09%
❌	`fewnode_subgraph[100]`	49 µs	620.2 µs	-92.09%
❌	`fewnode_subgraph[10]`	48.7 µs	137.7 µs	-64.67%

## 🤖 New release * `hugr-model`: 0.24.0 -> 0.24.1 (✓ API compatible changes) * `hugr-core`: 0.24.0 -> 0.24.1 (✓ API compatible changes) * `hugr-llvm`: 0.24.0 -> 0.24.1 (✓ API compatible changes) * `hugr-passes`: 0.24.0 -> 0.24.1 (✓ API compatible changes) * `hugr-persistent`: 0.3.1 -> 0.3.2 (✓ API compatible changes) * `hugr`: 0.24.0 -> 0.24.1 (✓ API compatible changes) * `hugr-cli`: 0.24.0 -> 0.24.1 (✓ API compatible changes) <details><summary>Changelog</summary> ## `hugr-model` <blockquote> ## [0.24.1](hugr-model-v0.24.0...hugr-model-v0.24.1) - 2025-11-03 ### Bug Fixes - Correct conversion of `table::Term::Tuple` to `ast::Term` ([#2653](#2653)) </blockquote> ## `hugr-core` <blockquote> ## [0.24.1](hugr-core-v0.24.0...hugr-core-v0.24.1) - 2025-11-03 ### Bug Fixes - validation outside entrypoint, normalize_cfgs w/ nonlocal edges ([#2633](#2633)) - SiblingSubgraph::try_from_nodes for non-entrypoint region ([#2655](#2655)) - Correct conversion of `table::Term::Tuple` to `ast::Term` ([#2653](#2653)) ### New Features - track package descriptions when loading ([#2639](#2639)) - *(cli)* describe sub-command ([#2650](#2650)) </blockquote> ## `hugr-llvm` <blockquote> ## [0.24.0](hugr-llvm-v0.23.0...hugr-llvm-v0.24.0) - 2025-10-13 ### New Features - LLVM lowering for borrow arrays using bitmasks ([#2574](#2574)) - *(py, core, llvm)* add `is_borrowed` op for BorrowArray ([#2610](#2610)) ### Refactor - [**breaking**] consistent inout order in borrow array ([#2621](#2621)) </blockquote> ## `hugr-passes` <blockquote> ## [0.24.1](hugr-passes-v0.24.0...hugr-passes-v0.24.1) - 2025-11-03 ### Bug Fixes - validation outside entrypoint, normalize_cfgs w/ nonlocal edges ([#2633](#2633)) </blockquote> ## `hugr-persistent` <blockquote> ## [0.3.2](hugr-persistent-v0.3.1...hugr-persistent-v0.3.2) - 2025-11-03 ### New Features - *(persistent)* More efficient HugrView iterators for PersistentHugr ([#2595](#2595)) </blockquote> ## `hugr` <blockquote> ## [0.24.1](hugr-v0.24.0...hugr-v0.24.1) - 2025-11-03 ### Bug Fixes - validation outside entrypoint, normalize_cfgs w/ nonlocal edges ([#2633](#2633)) - SiblingSubgraph::try_from_nodes for non-entrypoint region ([#2655](#2655)) - Correct conversion of `table::Term::Tuple` to `ast::Term` ([#2653](#2653)) ### New Features - track package descriptions when loading ([#2639](#2639)) - *(cli)* describe sub-command ([#2650](#2650)) </blockquote> ## `hugr-cli` <blockquote> ## [0.24.1](hugr-cli-v0.24.0...hugr-cli-v0.24.1) - 2025-11-03 ### New Features - track package descriptions when loading ([#2639](#2639)) - *(cli)* describe sub-command ([#2650](#2650)) </blockquote> </details> --- This PR was generated with [release-plz](https://github.com/release-plz/release-plz/).

## 🤖 New release * `hugr-model`: 0.24.1 -> 0.24.2 * `hugr-core`: 0.24.1 -> 0.24.2 * `hugr-llvm`: 0.24.1 -> 0.24.2 * `hugr-passes`: 0.24.1 -> 0.24.2 (✓ API compatible changes) * `hugr`: 0.24.1 -> 0.24.2 (✓ API compatible changes) * `hugr-cli`: 0.24.1 -> 0.24.2 (✓ API compatible changes) * `hugr-persistent`: 0.3.2 -> 0.3.3 <details><summary>Changelog</summary> ## `hugr-model` <blockquote> ## [0.24.1](hugr-model-v0.24.0...hugr-model-v0.24.1) - 2025-11-03 ### Bug Fixes - Correct conversion of `table::Term::Tuple` to `ast::Term` ([#2653](#2653)) </blockquote> ## `hugr-core` <blockquote> ## [0.24.1](hugr-core-v0.24.0...hugr-core-v0.24.1) - 2025-11-03 ### Bug Fixes - validation outside entrypoint, normalize_cfgs w/ nonlocal edges ([#2633](#2633)) - SiblingSubgraph::try_from_nodes for non-entrypoint region ([#2655](#2655)) - Correct conversion of `table::Term::Tuple` to `ast::Term` ([#2653](#2653)) ### New Features - track package descriptions when loading ([#2639](#2639)) - *(cli)* describe sub-command ([#2650](#2650)) </blockquote> ## `hugr-llvm` <blockquote> ## [0.24.0](hugr-llvm-v0.23.0...hugr-llvm-v0.24.0) - 2025-10-13 ### New Features - LLVM lowering for borrow arrays using bitmasks ([#2574](#2574)) - *(py, core, llvm)* add `is_borrowed` op for BorrowArray ([#2610](#2610)) ### Refactor - [**breaking**] consistent inout order in borrow array ([#2621](#2621)) </blockquote> ## `hugr-passes` <blockquote> ## [0.24.2](hugr-passes-v0.24.1...hugr-passes-v0.24.2) - 2025-11-03 ### Bug Fixes - ReplaceTypes: operate on whole Hugr, with set_regions ([#2662](#2662)) </blockquote> ## `hugr` <blockquote> ## [0.24.2](hugr-v0.24.1...hugr-v0.24.2) - 2025-11-03 ### Bug Fixes - ReplaceTypes: operate on whole Hugr, with set_regions ([#2662](#2662)) </blockquote> ## `hugr-cli` <blockquote> ## [0.24.1](hugr-cli-v0.24.0...hugr-cli-v0.24.1) - 2025-11-03 ### New Features - track package descriptions when loading ([#2639](#2639)) - *(cli)* describe sub-command ([#2650](#2650)) </blockquote> ## `hugr-persistent` <blockquote> ## [0.3.2](hugr-persistent-v0.3.1...hugr-persistent-v0.3.2) - 2025-11-03 ### New Features - *(persistent)* More efficient HugrView iterators for PersistentHugr ([#2595](#2595)) </blockquote> </details> --- This PR was generated with [release-plz](https://github.com/release-plz/release-plz/).

## 🤖 New release * `hugr-model`: 0.24.2 -> 0.24.3 (✓ API compatible changes) * `hugr-core`: 0.24.2 -> 0.24.3 * `hugr-llvm`: 0.24.2 -> 0.24.3 (✓ API compatible changes) * `hugr-passes`: 0.24.2 -> 0.24.3 (✓ API compatible changes) * `hugr`: 0.24.2 -> 0.24.3 (✓ API compatible changes) * `hugr-cli`: 0.24.2 -> 0.24.3 (✓ API compatible changes) * `hugr-persistent`: 0.3.3 -> 0.3.4 <details><summary>Changelog</summary> ## `hugr-model` <blockquote> ## [0.24.1](hugr-model-v0.24.0...hugr-model-v0.24.1) - 2025-11-03 ### Bug Fixes - Correct conversion of `table::Term::Tuple` to `ast::Term` ([#2653](#2653)) </blockquote> ## `hugr-core` <blockquote> ## [0.24.1](hugr-core-v0.24.0...hugr-core-v0.24.1) - 2025-11-03 ### Bug Fixes - validation outside entrypoint, normalize_cfgs w/ nonlocal edges ([#2633](#2633)) - SiblingSubgraph::try_from_nodes for non-entrypoint region ([#2655](#2655)) - Correct conversion of `table::Term::Tuple` to `ast::Term` ([#2653](#2653)) ### New Features - track package descriptions when loading ([#2639](#2639)) - *(cli)* describe sub-command ([#2650](#2650)) </blockquote> ## `hugr-llvm` <blockquote> ## [0.24.3](hugr-llvm-v0.24.2...hugr-llvm-v0.24.3) - 2025-11-06 ### Bug Fixes - BorrowArray discard handler allows elements to be borrowed ([#2666](#2666)) </blockquote> ## `hugr-passes` <blockquote> ## [0.24.3](hugr-passes-v0.24.2...hugr-passes-v0.24.3) - 2025-11-06 ### Bug Fixes - BorrowArray discard handler allows elements to be borrowed ([#2666](#2666)) </blockquote> ## `hugr` <blockquote> ## [0.24.3](hugr-v0.24.2...hugr-v0.24.3) - 2025-11-06 ### Bug Fixes - BorrowArray discard handler allows elements to be borrowed ([#2666](#2666)) </blockquote> ## `hugr-cli` <blockquote> ## [0.24.1](hugr-cli-v0.24.0...hugr-cli-v0.24.1) - 2025-11-03 ### New Features - track package descriptions when loading ([#2639](#2639)) - *(cli)* describe sub-command ([#2650](#2650)) </blockquote> ## `hugr-persistent` <blockquote> ## [0.3.2](hugr-persistent-v0.3.1...hugr-persistent-v0.3.2) - 2025-11-03 ### New Features - *(persistent)* More efficient HugrView iterators for PersistentHugr ([#2595](#2595)) </blockquote> </details> --- This PR was generated with [release-plz](https://github.com/release-plz/release-plz/).

fix: SiblingSubrgaph::try_from_nodes for non-entrypoint region

40d3e32

aborgna-q requested a review from lmondada October 31, 2025 12:42

aborgna-q requested a review from a team as a code owner October 31, 2025 12:42

aborgna-q changed the title ~~fix: SiblingSubrgaph::try_from_nodes for non-entrypoint region~~ fix: SiblingSubgraph::try_from_nodes for non-entrypoint region Oct 31, 2025

lmondada approved these changes Oct 31, 2025

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rename nodes

381ff41

aborgna-q enabled auto-merge October 31, 2025 12:50

aborgna-q added this pull request to the merge queue Oct 31, 2025

Merged via the queue into main with commit a7ed401 Oct 31, 2025
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aborgna-q deleted the ab/fix-sibling-subgraph-entrypoint branch October 31, 2025 12:58

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chore: release #2625

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chore: release #2661

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fix: SiblingSubgraph::try_from_nodes for non-entrypoint region#2655

fix: SiblingSubgraph::try_from_nodes for non-entrypoint region#2655
aborgna-q merged 2 commits intomainfrom
ab/fix-sibling-subgraph-entrypoint

aborgna-q commented Oct 31, 2025

Uh oh!

lmondada Oct 31, 2025

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aborgna-q commented Oct 31, 2025

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Merging #2655 will degrade performances by 99.09%

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