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[PR #5645] [MERGED] Reserve textClusterColumns vector for performance #26395

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opened 2026-01-31 09:15:49 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 09:15:49 +00:00
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📋 Pull Request Information

Original PR: https://github.com/microsoft/terminal/pull/5645
Author: @skyline75489
Created: 4/29/2020
Status: ✅ Merged
Merged: 4/29/2020
Merged by: @undefined

Base: master ← Head: fix/text-cluster-columns-my-boy

📝 Commits (1)

  • 0352ba9 Reserve textClusterColumns vector for performance

📊 Changes

1 file changed (+2 additions, -0 deletions)

View changed files

📝 src/renderer/dx/CustomTextLayout.cpp (+2 -0)

📄 Description

Summary of the Pull Request

In tonight's episode of "Can we be even faster?", we will... you know what, just take a look at the code.

References

PR Checklist

  • Closes #xxx
  • CLA signed. If not, go over here and sign the CLA
  • Tests added/passed
  • Requires documentation to be updated
  • I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx

Detailed Description of the Pull Request / Additional comments

It is actually a quite common technique seen inside the codebase to first reserve the spaces before pushing something into vectors. I don't know why it is not used here.

Before:
before

After:

after

Validation Steps Performed

🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.

## 📋 Pull Request Information **Original PR:** https://github.com/microsoft/terminal/pull/5645 **Author:** [@skyline75489](https://github.com/skyline75489) **Created:** 4/29/2020 **Status:** ✅ Merged **Merged:** 4/29/2020 **Merged by:** [@undefined](undefined) **Base:** `master` ← **Head:** `fix/text-cluster-columns-my-boy` --- ### 📝 Commits (1) - [`0352ba9`](https://github.com/microsoft/terminal/commit/0352ba95a7d9625d7a2fb6356f97656a2bf7e706) Reserve textClusterColumns vector for performance ### 📊 Changes **1 file changed** (+2 additions, -0 deletions) <details> <summary>View changed files</summary> 📝 `src/renderer/dx/CustomTextLayout.cpp` (+2 -0) </details> ### 📄 Description <!-- Enter a brief description/summary of your PR here. What does it fix/what does it change/how was it tested (even manually, if necessary)? --> ## Summary of the Pull Request In tonight's episode of "Can we be even faster?", we will... you know what, just take a look at the code. <!-- Other than the issue solved, is this relevant to any other issues/existing PRs? --> ## References <!-- Please review the items on the PR checklist before submitting--> ## PR Checklist * [ ] Closes #xxx * [ ] CLA signed. If not, go over [here](https://cla.opensource.microsoft.com/microsoft/Terminal) and sign the CLA * [ ] Tests added/passed * [ ] Requires documentation to be updated * [ ] I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx <!-- Provide a more detailed description of the PR, other things fixed or any additional comments/features here --> ## Detailed Description of the Pull Request / Additional comments It is actually a quite common technique seen inside the codebase to first reserve the spaces before pushing something into vectors. I don't know why it is not used here. Before: ![before](https://user-images.githubusercontent.com/4710575/80594408-84051400-8a55-11ea-9c04-c0a808061976.png) After: ![after](https://user-images.githubusercontent.com/4710575/80594402-80718d00-8a55-11ea-8639-6c038b4bfcf8.png) <!-- Describe how you validated the behavior. Add automated tests wherever possible, but list manual validation steps taken as well --> ## Validation Steps Performed --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
claunia added the pull-request label 2026-01-31 09:15:49 +00:00
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Reference: starred/terminal#26395
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