microsoft / microsoft/TypeScript-Sublime-Plugin
High CPU usage caused with Sublime Text 3
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Description
(macOS High Sierra 10.13.4)
I'm noticing very high CPU usage on idle for ST3 when the TypeScript package is installed. 25% of my CPU (3.5GHz i5, iMac 5K Late 2014) is consumed just by running ST3 and opening up a ts file, when I remove the package, quit and run ST3 the idle sits under 4% as it should.
I thought it may be Sublime's issue as build 3154 included a fix for improving idle CPU usage, so I tried installing the latest dev build (3160) instead of my existing 3143 (latest stable), but idle CPU usage did not drop when using the TypeScript package.
Just in case it may matter: node version that I'm using is v9.10.1. (previously I was on v9.8.0, same issue)
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First steps
- Read the whole issue, then the project's contributing guide.
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Research direction
Start by reproducing the report in Sublime Text 3 with the TypeScript package and an open .ts file, using the noted macOS and Node versions. Compare idle CPU usage with the package removed; done means identifying and resolving the cause of the elevated idle usage and confirming CPU returns to the expected level.
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Assessment
- Tech stack
- node.js, typescript
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100