opt gc

[chengzhinei]

• Targeted PR against correct branch (see CONTRIBUTING.md)

• Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• Wrote tests

• Updated relevant documentation (docs/)

• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md

• Reviewed Files changed in the github PR explorer

---

For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge PR #XYZ: [title]" (coding standards)

[codecov-commenter]

Codecov Report

Merging #128 (7f76525) into dev (9b9edd8) will decrease coverage by 4.09%.
The diff coverage is n/a.

❗ Current head 7f76525 differs from pull request most recent head 8c25974. Consider uploading reports for the commit 8c25974 to get more accurate results

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@@            Coverage Diff             @@
##              dev     #128      +/-   ##
==========================================
- Coverage   34.20%   30.11%   -4.09%     
==========================================
  Files         423       54     -369     
  Lines       44310     5675   -38635     
==========================================
- Hits        15155     1709   -13446     
+ Misses      28053     3791   -24262     
+ Partials     1102      175     -927     

see 369 files with indirect coverage changes