From 57421e31d623879a13002d358ad4c0c0a546e10b Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Thu, 9 Apr 2026 17:38:13 +0000
Subject: [PATCH 1/2] perf: optimize balanceTranslator loop with sets

Extracted `[y.name for y in ...components]` into `set` comprehensions
outside the loop over `x` elements to prevent recalculating the lookup
list on every iteration, changing `O(N*M)` complexity to near `O(N+M)`.

Co-authored-by: akutuva21 <44119804+akutuva21@users.noreply.github.com>
---
 .jules/bolt.md                          | 3 +++
 bionetgen/atomizer/writer/bnglWriter.py | 7 +++++--
 2 files changed, 8 insertions(+), 2 deletions(-)
 create mode 100644 .jules/bolt.md

diff --git a/.jules/bolt.md b/.jules/bolt.md
new file mode 100644
index 00000000..a2e45be7
--- /dev/null
+++ b/.jules/bolt.md
@@ -0,0 +1,3 @@
+## 2023-10-25 - [Optimize set operations for performance]
+**Learning:** Checking for membership using `if x not in [list comprehension]` recreates the list each iteration, resulting in O(N*M) time complexity.
+**Action:** Extract list comprehensions into sets precomputed outside loops (`my_set = {y for y in items}`) and then test membership in O(1) time.
diff --git a/bionetgen/atomizer/writer/bnglWriter.py b/bionetgen/atomizer/writer/bnglWriter.py
index d6a446e7..aa06211d 100644
--- a/bionetgen/atomizer/writer/bnglWriter.py
+++ b/bionetgen/atomizer/writer/bnglWriter.py
@@ -116,16 +116,19 @@ def balanceTranslator(reactant, product, translator):
     for rMolecule in rMolecules:
         for pMolecule in pMolecules:
             if rMolecule.name == pMolecule.name:
+                pMolecule_component_names = {y.name for y in pMolecule.components}
+                rMolecule_component_names = {y.name for y in rMolecule.components}
+
                 overFlowingComponents = [
                     x
                     for x in rMolecule.components
-                    if x.name not in [y.name for y in pMolecule.components]
+                    if x.name not in pMolecule_component_names
                 ]
                 overFlowingComponents.extend(
                     [
                         x
                         for x in pMolecule.components
-                        if x.name not in [y.name for y in rMolecule.components]
+                        if x.name not in rMolecule_component_names
                     ]
                 )
                 rMolecule.removeComponents(overFlowingComponents)

From 3b67a998f5dbccc19c7c42c6b1128e9d3be3a019 Mon Sep 17 00:00:00 2001
From: akutuva21 <akutuva22@gmail.com>
Date: Mon, 13 Apr 2026 10:13:34 -0400
Subject: [PATCH 2/2] chore: PR #6 remove forbidden artifacts and run black

---
 .gitignore     | 2 ++
 .jules/bolt.md | 3 ---
 2 files changed, 2 insertions(+), 3 deletions(-)
 delete mode 100644 .jules/bolt.md

diff --git a/.gitignore b/.gitignore
index 39aa9026..f9bf9c80 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,5 @@ temp_testing/*
 build
 dist
 Issues/rule_keywords/test_DeleteMolecules_changed.bngl
+.jules/
+__pycache__/
diff --git a/.jules/bolt.md b/.jules/bolt.md
deleted file mode 100644
index a2e45be7..00000000
--- a/.jules/bolt.md
+++ /dev/null
@@ -1,3 +0,0 @@
-## 2023-10-25 - [Optimize set operations for performance]
-**Learning:** Checking for membership using `if x not in [list comprehension]` recreates the list each iteration, resulting in O(N*M) time complexity.
-**Action:** Extract list comprehensions into sets precomputed outside loops (`my_set = {y for y in items}`) and then test membership in O(1) time.