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Needs More InfoThe issue still hasn't been fully clarifiedThe issue still hasn't been fully clarified
Description
π Search Terms
"regression", "5.4.2", "performance"
π Version & Regression Information
- This changed between versions 5.3.3 and 5.4.2
β― Playground Link
No response
π» Code
Extended diagnostics in version 5.4.2
Files: 4294
Lines of Library: 40640
Lines of Definitions: 180807
Lines of TypeScript: 430513
Lines of JavaScript: 0
Lines of JSON: 0
Lines of Other: 0
Identifiers: 591567
Symbols: 1232510
Types: 4677381
Instantiations: 395496734
Memory used: 2330550K
Assignability cache size: 3974893
Identity cache size: 14482
Subtype cache size: 37794
Strict subtype cache size: 9374
I/O Read time: 0.70s
Parse time: 0.96s
ResolveModule time: 0.58s
ResolveTypeReference time: 0.01s
ResolveLibrary time: 0.01s
Program time: 2.51s
Bind time: 0.62s
Check time: 367.45s
printTime time: 0.00s
Emit time: 0.00s
Total time: 370.58s
Extended diagnostics in version 5.3.3
Files: 4290
Lines of Library: 40241
Lines of Definitions: 180807
Lines of TypeScript: 430513
Lines of JavaScript: 0
Lines of JSON: 0
Lines of Other: 0
Identifiers: 591320
Symbols: 1234773
Types: 699200
Instantiations: 2247099
Memory used: 1308962K
Assignability cache size: 223823
Identity cache size: 14479
Subtype cache size: 28353
Strict subtype cache size: 9128
I/O Read time: 0.73s
Parse time: 1.11s
ResolveModule time: 0.44s
ResolveTypeReference time: 0.01s
ResolveLibrary time: 0.02s
Program time: 2.60s
Bind time: 0.76s
Check time: 13.75s
printTime time: 0.00s
Emit time: 0.00s
Total time: 17.11s
π Actual behavior
The type validation using tsc --noEmit
increase more than 20 times using the version 5.4.2
comparing with the version 5.3.3
.
In the CI is always hitting the heap memory limit:
π Expected behavior
I expected the compilation to be equivalent in both versions, but it was more than 20 times slower.
Additional information about the issue
No response
reduckted and tutok
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Needs More InfoThe issue still hasn't been fully clarifiedThe issue still hasn't been fully clarified