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Remove reportErrors check in relateVariances #55222

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Remove reportErrors check in relateVariances #55222

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@jakebailey jakebailey commented Jul 31, 2023 •
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Fixes #55217
Fixes #61524

As noted by @Andarist, this check is what causes things to differ between errors and non-error modes in relation, causing oddities when the same relation is observed in both ways but in different orders.

No doubt this is a bad idea but I wanted to run the test suite to see what happens.

Bunch of WIP code is left in the PR, I'll remove/refactor it if this code actually looks acceptable.

@typescript-bot typescript-bot added Author: Team For Uncommitted Bug PR for untriaged, rejected, closed or missing bug labels Jul 31, 2023
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jakebailey commented Jul 31, 2023

@typescript-bot test this
@typescript-bot test top100
@typescript-bot user test this
@typescript-bot user test tsserver
@typescript-bot test tsserver top100
@typescript-bot run dt
@typescript-bot perf test this
@typescript-bot pack this

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typescript-bot commented Jul 31, 2023 •
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Heya @jakebailey, I've started to run the diff-based user code test suite on this PR at df695d9. You can monitor the build here.

Update: The results are in!

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typescript-bot commented Jul 31, 2023 •
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Heya @jakebailey, I've started to run the diff-based user code test suite (tsserver) on this PR at df695d9. You can monitor the build here.

Update: The results are in!

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typescript-bot commented Jul 31, 2023 •
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Heya @jakebailey, I've started to run the tarball bundle task on this PR at df695d9. You can monitor the build here.

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typescript-bot commented Jul 31, 2023 •
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Heya @jakebailey, I've started to run the extended test suite on this PR at df695d9. You can monitor the build here.

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typescript-bot commented Jul 31, 2023 •
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Heya @jakebailey, I've started to run the parallelized Definitely Typed test suite on this PR at df695d9. You can monitor the build here.

Update: The results are in!

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typescript-bot commented Jul 31, 2023 •
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Heya @jakebailey, I've started to run the perf test suite on this PR at df695d9. You can monitor the build here.

Update: The results are in!

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typescript-bot commented Jul 31, 2023 •
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Heya @jakebailey, I've started to run the diff-based top-repos suite on this PR at df695d9. You can monitor the build here.

Update: The results are in!

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typescript-bot commented Jul 31, 2023 •
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Heya @jakebailey, I've started to run the diff-based top-repos suite (tsserver) on this PR at df695d9. You can monitor the build here.

Update: The results are in!

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typescript-bot commented Jul 31, 2023 •
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Hey @jakebailey, I've packed this into an installable tgz. You can install it for testing by referencing it in your package.json like so:

{
    "devDependencies": {
        "typescript": "https://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_apis/build/builds/156090/artifacts?artifactName=tgz&fileId=4E1314C8F2DBC21591658BB650878A546D6F6E3C21856E1045D90F437FA08F0902&fileName=/typescript-5.2.0-insiders.20230731.tgz"
    }
}

and then running npm install.

There is also a playground for this build and an npm module you can use via "typescript": "npm:@typescript-deploys/pr-build@5.2.0-pr-55222-9".;

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jakebailey commented Jul 31, 2023
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jakebailey commented Jul 31, 2023
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src/compiler/checker.ts Outdated
@@ -21951,7 +21956,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
// reveal the reason).
// We can switch on `reportErrors` here, since varianceCheckFailed guarantees we return `False`,
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This mentions the code I deleted, so I'd have to delete this if this fix is right.

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typescript-bot commented Aug 1, 2023

@jakebailey Here are the results of running the user test suite comparing main and refs/pull/55222/merge:

Everything looks good!

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typescript-bot commented Aug 1, 2023

@jakebailey Here are the results of running the user test suite comparing main and refs/pull/55222/merge:

There were infrastructure failures potentially unrelated to your change:

  • 1 instance of "Unknown failure"
  • 1 instance of "Package install failed"

Otherwise...

Something interesting changed - please have a look.

Details

rxjs-src

/mnt/ts_downloads/rxjs-src/build.sh

  • [NEW] error TS2428: All declarations of 'WeakMap' must have identical type parameters.
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.collection.d.ts(63,11)
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.iterable.d.ts(162,11)
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.symbol.wellknown.d.ts(140,11)
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.collection.d.ts(63,11)
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.iterable.d.ts(162,11)
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.symbol.wellknown.d.ts(140,11)
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.collection.d.ts(63,11)
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.iterable.d.ts(162,11)
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.symbol.wellknown.d.ts(140,11)
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.collection.d.ts(63,11)
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.iterable.d.ts(162,11)
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.symbol.wellknown.d.ts(140,11)
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.collection.d.ts(63,11)
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.iterable.d.ts(162,11)
    • /home/vsts/work/1/s/typescript-55222/lib/lib.es2015.symbol.wellknown.d.ts(140,11)
  • [MISSING] error TS2428: All declarations of 'WeakMap' must have identical type parameters.
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.collection.d.ts(63,11)
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.iterable.d.ts(162,11)
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.symbol.wellknown.d.ts(140,11)
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.collection.d.ts(63,11)
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.iterable.d.ts(162,11)
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.symbol.wellknown.d.ts(140,11)
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.collection.d.ts(63,11)
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.iterable.d.ts(162,11)
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.symbol.wellknown.d.ts(140,11)
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.collection.d.ts(63,11)
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.iterable.d.ts(162,11)
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.symbol.wellknown.d.ts(140,11)
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.collection.d.ts(63,11)
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.iterable.d.ts(162,11)
    • /home/vsts/work/1/s/typescript-main/lib/lib.es2015.symbol.wellknown.d.ts(140,11)

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typescript-bot commented Aug 1, 2023

@jakebailey
The results of the perf run you requested are in!

Here they are:

Compiler

Comparison Report - main..55222
Metric main 55222 Delta Best Worst p-value
Angular - node (v18.10.0, x64)
Memory used 368,785k (± 0.01%) 368,794k (± 0.01%) ~ 368,756k 368,821k p=0.689 n=6
Parse Time 3.40s (± 0.55%) 3.40s (± 0.42%) ~ 3.38s 3.42s p=0.685 n=6
Bind Time 1.12s (± 0.92%) 1.12s (± 0.73%) ~ 1.11s 1.13s p=0.932 n=6
Check Time 8.95s (± 0.34%) 9.00s (± 0.44%) +0.05s (+ 0.60%) 8.93s 9.04s p=0.045 n=6
Emit Time 7.57s (± 1.03%) 7.58s (± 0.76%) ~ 7.50s 7.65s p=1.000 n=6
Total Time 21.05s (± 0.38%) 21.10s (± 0.49%) ~ 20.95s 21.22s p=0.421 n=6
Compiler-Unions - node (v18.10.0, x64)
Memory used 193,051k (± 1.18%) 194,922k (± 1.56%) ~ 192,120k 197,736k p=0.128 n=6
Parse Time 1.51s (± 0.65%) 1.50s (± 0.98%) ~ 1.48s 1.52s p=0.247 n=6
Bind Time 0.78s (± 0.66%) 0.77s (± 0.67%) ~ 0.77s 0.78s p=0.311 n=6
Check Time 9.47s (± 0.42%) 9.46s (± 0.30%) ~ 9.42s 9.50s p=1.000 n=6
Emit Time 2.76s (± 0.38%) 2.72s (± 1.02%) ~ 2.70s 2.77s p=0.052 n=6
Total Time 14.51s (± 0.35%) 14.46s (± 0.18%) ~ 14.42s 14.48s p=0.053 n=6
Monaco - node (v18.10.0, x64)
Memory used 347,755k (± 0.01%) 347,772k (± 0.01%) ~ 347,741k 347,813k p=0.471 n=6
Parse Time 2.62s (± 1.05%) 2.63s (± 1.19%) ~ 2.58s 2.66s p=0.418 n=6
Bind Time 1.01s (± 0.74%) 1.01s (± 0.51%) ~ 1.01s 1.02s p=0.784 n=6
Check Time 7.29s (± 0.38%) 7.29s (± 0.64%) ~ 7.21s 7.35s p=0.936 n=6
Emit Time 4.24s (± 0.90%) 4.27s (± 0.88%) ~ 4.22s 4.33s p=0.260 n=6
Total Time 15.16s (± 0.51%) 15.21s (± 0.65%) ~ 15.03s 15.31s p=0.261 n=6
TFS - node (v18.10.0, x64)
Memory used 301,794k (± 0.01%) 301,786k (± 0.01%) ~ 301,751k 301,818k p=0.574 n=6
Parse Time 2.08s (± 1.23%) 2.07s (± 1.77%) ~ 2.04s 2.13s p=0.871 n=6
Bind Time 1.13s (± 1.03%) 1.12s (± 0.36%) -0.01s (- 1.18%) 1.11s 1.12s p=0.025 n=6
Check Time 6.67s (± 0.53%) 6.66s (± 0.50%) ~ 6.61s 6.70s p=0.518 n=6
Emit Time 3.86s (± 0.95%) 3.89s (± 0.48%) ~ 3.86s 3.91s p=0.259 n=6
Total Time 13.75s (± 0.50%) 13.74s (± 0.44%) ~ 13.65s 13.84s p=1.000 n=6
material-ui - node (v18.10.0, x64)
Memory used 482,550k (± 0.01%) 482,585k (± 0.02%) ~ 482,533k 482,774k p=0.230 n=6
Parse Time 3.11s (± 1.18%) 3.09s (± 2.29%) ~ 2.95s 3.14s p=0.933 n=6
Bind Time 0.92s (± 2.44%) 0.94s (± 5.00%) ~ 0.91s 1.03s p=1.000 n=6
Check Time 17.32s (± 0.73%) 17.33s (± 0.78%) ~ 17.09s 17.49s p=0.470 n=6
Emit Time 0.00s (± 0.00%) 0.00s (± 0.00%) ~ 0.00s 0.00s p=1.000 n=6
Total Time 21.36s (± 0.54%) 21.37s (± 0.63%) ~ 21.14s 21.55s p=0.334 n=6
xstate - node (v18.10.0, x64)
Memory used 563,842k (± 0.02%) 565,624k (± 0.01%) +1,782k (+ 0.32%) 565,514k 565,730k p=0.005 n=6
Parse Time 3.85s (± 0.61%) 3.85s (± 0.35%) ~ 3.83s 3.87s p=0.806 n=6
Bind Time 1.64s (± 1.24%) 1.64s (± 0.63%) ~ 1.62s 1.65s p=0.935 n=6
Check Time 2.81s (± 1.00%) 3.03s (± 0.61%) +0.22s (+ 7.64%) 3.01s 3.05s p=0.005 n=6
Emit Time 0.08s (± 0.00%) 0.08s (± 6.44%) ~ 0.08s 0.09s p=0.071 n=6
Total Time 8.39s (± 0.27%) 8.61s (± 0.24%) +0.22s (+ 2.64%) 8.58s 8.64s p=0.005 n=6
Angular - node (v16.17.1, x64)
Memory used 368,218k (± 0.00%) 368,222k (± 0.01%) ~ 368,193k 368,246k p=0.575 n=6
Parse Time 3.57s (± 0.39%) 3.55s (± 0.18%) ~ 3.54s 3.56s p=0.059 n=6
Bind Time 1.19s (± 0.63%) 1.19s (± 0.43%) ~ 1.18s 1.19s p=0.784 n=6
Check Time 9.76s (± 0.72%) 9.77s (± 0.54%) ~ 9.68s 9.83s p=1.000 n=6
Emit Time 8.04s (± 0.80%) 8.01s (± 0.39%) ~ 7.96s 8.04s p=0.228 n=6
Total Time 22.55s (± 0.58%) 22.51s (± 0.31%) ~ 22.37s 22.56s p=0.374 n=6
Compiler-Unions - node (v16.17.1, x64)
Memory used 193,823k (± 0.02%) 194,372k (± 0.67%) ~ 193,796k 197,022k p=0.261 n=6
Parse Time 1.59s (± 0.96%) 1.59s (± 0.62%) ~ 1.58s 1.61s p=0.557 n=6
Bind Time 0.82s (± 0.92%) 0.82s (± 0.50%) ~ 0.82s 0.83s p=1.000 n=6
Check Time 10.16s (± 0.48%) 10.17s (± 0.58%) ~ 10.09s 10.25s p=0.810 n=6
Emit Time 2.98s (± 0.87%) 3.01s (± 0.91%) ~ 2.97s 3.05s p=0.106 n=6
Total Time 15.56s (± 0.35%) 15.60s (± 0.24%) ~ 15.55s 15.64s p=0.149 n=6
Monaco - node (v16.17.1, x64)
Memory used 347,078k (± 0.01%) 347,085k (± 0.01%) ~ 347,028k 347,116k p=0.630 n=6
Parse Time 2.77s (± 0.44%) 2.76s (± 0.37%) ~ 2.75s 2.78s p=0.675 n=6
Bind Time 1.08s (± 0.48%) 1.08s (± 0.70%) ~ 1.07s 1.09s p=0.784 n=6
Check Time 8.04s (± 0.61%) 8.06s (± 0.33%) ~ 8.03s 8.10s p=0.295 n=6
Emit Time 4.48s (± 0.56%) 4.47s (± 0.60%) ~ 4.44s 4.51s p=0.227 n=6
Total Time 16.36s (± 0.36%) 16.37s (± 0.38%) ~ 16.30s 16.48s p=1.000 n=6
TFS - node (v16.17.1, x64)
Memory used 301,118k (± 0.01%) 301,109k (± 0.01%) ~ 301,082k 301,135k p=0.377 n=6
Parse Time 2.20s (± 0.38%) 2.19s (± 0.24%) ~ 2.18s 2.19s p=0.073 n=6
Bind Time 1.22s (± 1.70%) 1.21s (± 1.60%) ~ 1.18s 1.23s p=0.625 n=6
Check Time 7.34s (± 0.31%) 7.33s (± 0.71%) ~ 7.24s 7.38s p=1.000 n=6
Emit Time 4.30s (± 1.17%) 4.33s (± 0.97%) ~ 4.29s 4.39s p=0.146 n=6
Total Time 15.06s (± 0.25%) 15.06s (± 0.57%) ~ 14.95s 15.17s p=0.748 n=6
material-ui - node (v16.17.1, x64)
Memory used 481,882k (± 0.01%) 481,860k (± 0.01%) ~ 481,811k 481,954k p=0.297 n=6
Parse Time 3.26s (± 0.72%) 3.23s (± 0.26%) ~ 3.23s 3.25s p=0.122 n=6
Bind Time 0.96s (± 0.85%) 0.95s (± 0.57%) ~ 0.95s 0.96s p=0.859 n=6
Check Time 18.34s (± 0.39%) 18.34s (± 0.74%) ~ 18.21s 18.57s p=0.687 n=6
Emit Time 0.00s (± 0.00%) 0.00s (± 0.00%) ~ 0.00s 0.00s p=1.000 n=6
Total Time 22.55s (± 0.36%) 22.53s (± 0.63%) ~ 22.41s 22.78s p=0.422 n=6
xstate - node (v16.17.1, x64)
Memory used 561,343k (± 0.01%) 563,061k (± 0.01%) +1,718k (+ 0.31%) 562,967k 563,164k p=0.005 n=6
Parse Time 4.02s (± 0.30%) 4.02s (± 0.43%) ~ 4.00s 4.05s p=0.871 n=6
Bind Time 1.66s (± 5.88%) 1.77s (± 1.62%) +0.11s (+ 6.82%) 1.73s 1.81s p=0.024 n=6
Check Time 3.09s (± 1.60%) 3.28s (± 1.26%) +0.19s (+ 6.09%) 3.23s 3.34s p=0.005 n=6
Emit Time 0.09s (± 5.53%) 0.09s (± 0.00%) ~ 0.09s 0.09s p=0.174 n=6
Total Time 8.87s (± 0.58%) 9.17s (± 0.82%) +0.29s (+ 3.33%) 9.06s 9.28s p=0.005 n=6
Angular - node (v14.21.3, x64)
Memory used 362,126k (± 0.01%) 362,093k (± 0.01%) ~ 362,054k 362,155k p=0.128 n=6
Parse Time 3.71s (± 0.14%) 3.73s (± 0.37%) +0.02s (+ 0.54%) 3.71s 3.74s p=0.020 n=6
Bind Time 1.22s (± 0.00%) 1.22s (± 0.62%) ~ 1.21s 1.23s p=0.598 n=6
Check Time 10.13s (± 0.37%) 10.15s (± 0.56%) ~ 10.06s 10.22s p=0.377 n=6
Emit Time 8.35s (± 0.56%) 8.36s (± 0.55%) ~ 8.30s 8.41s p=0.748 n=6
Total Time 23.41s (± 0.27%) 23.46s (± 0.32%) ~ 23.33s 23.53s p=0.336 n=6
Compiler-Unions - node (v14.21.3, x64)
Memory used 189,118k (± 0.01%) 189,094k (± 0.01%) ~ 189,060k 189,128k p=0.092 n=6
Parse Time 1.62s (± 0.72%) 1.61s (± 0.32%) ~ 1.61s 1.62s p=0.191 n=6
Bind Time 0.85s (± 0.61%) 0.85s (± 0.61%) ~ 0.84s 0.85s p=1.000 n=6
Check Time 10.32s (± 0.70%) 10.33s (± 0.44%) ~ 10.28s 10.39s p=0.574 n=6
Emit Time 3.11s (± 0.55%) 3.12s (± 0.33%) ~ 3.10s 3.13s p=0.741 n=6
Total Time 15.90s (± 0.49%) 15.91s (± 0.21%) ~ 15.86s 15.95s p=0.520 n=6
Monaco - node (v14.21.3, x64)
Memory used 342,072k (± 0.01%) 342,077k (± 0.01%) ~ 342,045k 342,108k p=0.936 n=6
Parse Time 2.80s (± 0.87%) 2.80s (± 0.76%) ~ 2.78s 2.84s p=0.684 n=6
Bind Time 1.09s (± 0.50%) 1.09s (± 0.37%) ~ 1.09s 1.10s p=0.282 n=6
Check Time 8.30s (± 0.26%) 8.31s (± 0.43%) ~ 8.26s 8.36s p=0.687 n=6
Emit Time 4.67s (± 0.87%) 4.66s (± 0.57%) ~ 4.63s 4.69s p=0.570 n=6
Total Time 16.86s (± 0.40%) 16.87s (± 0.23%) ~ 16.81s 16.91s p=0.809 n=6
TFS - node (v14.21.3, x64)
Memory used 296,199k (± 0.01%) 296,199k (± 0.01%) ~ 296,181k 296,222k p=0.936 n=6
Parse Time 2.42s (± 0.43%) 2.42s (± 0.80%) ~ 2.39s 2.44s p=1.000 n=6
Bind Time 1.08s (± 0.91%) 1.08s (± 0.59%) ~ 1.07s 1.09s p=0.733 n=6
Check Time 7.66s (± 0.42%) 7.67s (± 0.48%) ~ 7.61s 7.70s p=0.413 n=6
Emit Time 4.27s (± 0.69%) 4.28s (± 0.84%) ~ 4.23s 4.32s p=0.871 n=6
Total Time 15.44s (± 0.22%) 15.46s (± 0.40%) ~ 15.38s 15.54s p=0.629 n=6
material-ui - node (v14.21.3, x64)
Memory used 477,350k (± 0.00%) 477,350k (± 0.00%) ~ 477,319k 477,365k p=0.748 n=6
Parse Time 3.31s (± 0.31%) 3.29s (± 0.31%) ~ 3.28s 3.31s p=0.067 n=6
Bind Time 0.99s (± 0.41%) 0.99s (± 0.76%) ~ 0.98s 1.00s p=0.389 n=6
Check Time 19.15s (± 0.40%) 19.21s (± 0.56%) ~ 19.08s 19.34s p=0.471 n=6
Emit Time 0.00s (± 0.00%) 0.00s (± 0.00%) ~ 0.00s 0.00s p=1.000 n=6
Total Time 23.45s (± 0.30%) 23.49s (± 0.48%) ~ 23.37s 23.64s p=0.630 n=6
xstate - node (v14.21.3, x64)
Memory used 550,168k (± 0.00%) 551,869k (± 0.01%) +1,701k (+ 0.31%) 551,833k 551,905k p=0.005 n=6
Parse Time 4.22s (± 0.61%) 4.20s (± 0.51%) ~ 4.18s 4.24s p=0.258 n=6
Bind Time 1.69s (± 0.30%) 1.68s (± 1.74%) ~ 1.62s 1.70s p=0.242 n=6
Check Time 3.13s (± 0.48%) 3.33s (± 0.84%) +0.21s (+ 6.56%) 3.29s 3.37s p=0.005 n=6
Emit Time 0.10s (± 5.76%) 0.09s (± 0.00%) ~ 0.09s 0.09s p=0.071 n=6
Total Time 9.13s (± 0.35%) 9.31s (± 0.62%) +0.18s (+ 1.97%) 9.20s 9.36s p=0.005 n=6
System
Machine Namets-ci-ubuntu
Platformlinux 5.4.0-148-generic
Architecturex64
Available Memory16 GB
Available Memory15 GB
CPUs4 × Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz
Hosts
  • node (v18.10.0, x64)
  • node (v16.17.1, x64)
  • node (v14.21.3, x64)
Scenarios
  • Angular - node (v18.10.0, x64)
  • Angular - node (v16.17.1, x64)
  • Angular - node (v14.21.3, x64)
  • Compiler-Unions - node (v18.10.0, x64)
  • Compiler-Unions - node (v16.17.1, x64)
  • Compiler-Unions - node (v14.21.3, x64)
  • Monaco - node (v18.10.0, x64)
  • Monaco - node (v16.17.1, x64)
  • Monaco - node (v14.21.3, x64)
  • TFS - node (v18.10.0, x64)
  • TFS - node (v16.17.1, x64)
  • TFS - node (v14.21.3, x64)
  • material-ui - node (v18.10.0, x64)
  • material-ui - node (v16.17.1, x64)
  • material-ui - node (v14.21.3, x64)
  • xstate - node (v18.10.0, x64)
  • xstate - node (v16.17.1, x64)
  • xstate - node (v14.21.3, x64)
Benchmark Name Iterations
Current 55222 6
Baseline main 6

TSServer

Comparison Report - main..55222
Metric main 55222 Delta Best Worst p-value
Compiler-UnionsTSServer - node (v18.10.0, x64)
Req 1 - updateOpen 2,525ms (± 1.15%) 2,537ms (± 0.76%) ~ 2,511ms 2,559ms p=0.630 n=6
Req 2 - geterr 5,384ms (± 0.47%) 5,403ms (± 0.56%) ~ 5,365ms 5,435ms p=0.336 n=6
Req 3 - references 342ms (± 0.86%) 340ms (± 1.19%) ~ 335ms 345ms p=0.226 n=6
Req 4 - navto 289ms (± 0.34%) 291ms (± 0.95%) ~ 287ms 295ms p=0.141 n=6
Req 5 - completionInfo count 1,356 (± 0.00%) 1,356 (± 0.00%) ~ 1,356 1,356 p=1.000 n=6
Req 5 - completionInfo 76ms (± 1.08%) 76ms (± 3.99%) ~ 74ms 82ms p=0.451 n=6
CompilerTSServer - node (v18.10.0, x64)
Req 1 - updateOpen 2,618ms (± 0.49%) 2,636ms (± 1.01%) ~ 2,604ms 2,670ms p=0.336 n=6
Req 2 - geterr 4,136ms (± 0.41%) 4,153ms (± 0.50%) ~ 4,118ms 4,177ms p=0.092 n=6
Req 3 - references 350ms (± 1.01%) 351ms (± 0.36%) ~ 349ms 353ms p=0.141 n=6
Req 4 - navto 289ms (± 0.36%) 289ms (± 0.48%) ~ 286ms 290ms p=0.867 n=6
Req 5 - completionInfo count 1,518 (± 0.00%) 1,518 (± 0.00%) ~ 1,518 1,518 p=1.000 n=6
Req 5 - completionInfo 79ms (± 6.58%) 78ms (± 1.32%) ~ 77ms 80ms p=1.000 n=6
xstateTSServer - node (v18.10.0, x64)
Req 1 - updateOpen 3,088ms (± 0.53%) 3,081ms (± 0.52%) ~ 3,066ms 3,107ms p=0.520 n=6
Req 2 - geterr 1,602ms (± 0.57%) 1,598ms (± 0.86%) ~ 1,579ms 1,614ms p=0.748 n=6
Req 3 - references 114ms (± 1.32%) 115ms (± 2.01%) ~ 112ms 118ms p=0.217 n=6
Req 4 - navto 369ms (± 0.37%) 368ms (± 0.34%) ~ 366ms 369ms p=0.096 n=6
Req 5 - completionInfo count 2,872 (± 0.00%) 2,872 (± 0.00%) ~ 2,872 2,872 p=1.000 n=6
Req 5 - completionInfo 383ms (± 0.98%) 375ms (± 1.01%) -8ms (- 1.96%) 372ms 380ms p=0.013 n=6
Compiler-UnionsTSServer - node (v16.17.1, x64)
Req 1 - updateOpen 2,629ms (± 0.40%) 2,615ms (± 0.80%) ~ 2,591ms 2,645ms p=0.229 n=6
Req 2 - geterr 6,081ms (± 0.38%) 6,084ms (± 0.67%) ~ 6,004ms 6,116ms p=0.521 n=6
Req 3 - references 355ms (± 0.37%) 356ms (± 0.66%) ~ 353ms 360ms p=0.217 n=6
Req 4 - navto 284ms (± 0.41%) 284ms (± 0.84%) ~ 281ms 288ms p=0.934 n=6
Req 5 - completionInfo count 1,356 (± 0.00%) 1,356 (± 0.00%) ~ 1,356 1,356 p=1.000 n=6
Req 5 - completionInfo 83ms (± 7.49%) 81ms (± 1.22%) ~ 80ms 82ms p=0.673 n=6
CompilerTSServer - node (v16.17.1, x64)
Req 1 - updateOpen 2,803ms (± 0.52%) 2,798ms (± 0.89%) ~ 2,760ms 2,824ms p=0.936 n=6
Req 2 - geterr 4,689ms (± 0.44%) 4,699ms (± 0.36%) ~ 4,673ms 4,723ms p=0.470 n=6
Req 3 - references 364ms (± 0.23%) 363ms (± 0.58%) ~ 361ms 366ms p=0.505 n=6
Req 4 - navto 281ms (± 0.95%) 281ms (± 0.84%) ~ 278ms 284ms p=1.000 n=6
Req 5 - completionInfo count 1,518 (± 0.00%) 1,518 (± 0.00%) ~ 1,518 1,518 p=1.000 n=6
Req 5 - completionInfo 77ms (± 1.09%) 76ms (± 1.75%) ~ 75ms 78ms p=0.342 n=6
xstateTSServer - node (v16.17.1, x64)
Req 1 - updateOpen 3,230ms (± 0.30%) 3,221ms (± 0.24%) ~ 3,211ms 3,229ms p=0.261 n=6
Req 2 - geterr 1,733ms (± 1.20%) 1,757ms (± 1.34%) ~ 1,728ms 1,788ms p=0.093 n=6
Req 3 - references 130ms (± 7.76%) 126ms (± 6.65%) ~ 121ms 143ms p=0.216 n=6
Req 4 - navto 352ms (± 0.49%) 351ms (± 0.28%) ~ 350ms 352ms p=0.510 n=6
Req 5 - completionInfo count 2,872 (± 0.00%) 2,872 (± 0.00%) ~ 2,872 2,872 p=1.000 n=6
Req 5 - completionInfo 429ms (± 0.71%) 423ms (± 1.47%) ~ 414ms 431ms p=0.092 n=6
Compiler-UnionsTSServer - node (v14.21.3, x64)
Req 1 - updateOpen 2,771ms (± 0.36%) 2,767ms (± 0.33%) ~ 2,750ms 2,774ms p=0.688 n=6
Req 2 - geterr 6,220ms (± 0.51%) 6,188ms (± 0.65%) ~ 6,122ms 6,247ms p=0.298 n=6
Req 3 - references 361ms (± 0.51%) 364ms (± 0.51%) ~ 362ms 367ms p=0.061 n=6
Req 4 - navto 291ms (± 0.92%) 291ms (± 0.78%) ~ 289ms 295ms p=1.000 n=6
Req 5 - completionInfo count 1,356 (± 0.00%) 1,356 (± 0.00%) ~ 1,356 1,356 p=1.000 n=6
Req 5 - completionInfo 102ms (± 8.45%) 102ms (± 9.41%) ~ 91ms 111ms p=1.000 n=6
CompilerTSServer - node (v14.21.3, x64)
Req 1 - updateOpen 2,936ms (± 0.28%) 2,931ms (± 0.49%) ~ 2,906ms 2,943ms p=0.520 n=6
Req 2 - geterr 4,583ms (± 0.44%) 4,573ms (± 0.48%) ~ 4,535ms 4,594ms p=0.575 n=6
Req 3 - references 370ms (± 0.76%) 369ms (± 0.68%) ~ 366ms 372ms p=0.629 n=6
Req 4 - navto 299ms (± 0.46%) 298ms (± 0.25%) ~ 297ms 299ms p=0.111 n=6
Req 5 - completionInfo count 1,518 (± 0.00%) 1,518 (± 0.00%) ~ 1,518 1,518 p=1.000 n=6
Req 5 - completionInfo 86ms (± 8.01%) 87ms (± 7.63%) ~ 82ms 100ms p=0.366 n=6
xstateTSServer - node (v14.21.3, x64)
Req 1 - updateOpen 3,498ms (± 1.79%) 3,514ms (± 0.78%) ~ 3,480ms 3,538ms p=1.000 n=6
Req 2 - geterr 1,863ms (± 0.80%) 1,899ms (± 0.82%) +36ms (+ 1.91%) 1,876ms 1,919ms p=0.008 n=6
Req 3 - references 139ms (± 8.58%) 135ms (± 6.70%) ~ 130ms 153ms p=0.623 n=6
Req 4 - navto 391ms (± 0.77%) 386ms (± 0.16%) -5ms (- 1.15%) 385ms 387ms p=0.005 n=6
Req 5 - completionInfo count 2,872 (± 0.00%) 2,872 (± 0.00%) ~ 2,872 2,872 p=1.000 n=6
Req 5 - completionInfo 420ms (± 1.35%) 420ms (± 0.77%) ~ 415ms 424ms p=1.000 n=6
System
Machine Namets-ci-ubuntu
Platformlinux 5.4.0-148-generic
Architecturex64
Available Memory16 GB
Available Memory15 GB
CPUs4 × Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz
Hosts
  • node (v18.10.0, x64)
  • node (v16.17.1, x64)
  • node (v14.21.3, x64)
Scenarios
  • Compiler-UnionsTSServer - node (v18.10.0, x64)
  • Compiler-UnionsTSServer - node (v16.17.1, x64)
  • Compiler-UnionsTSServer - node (v14.21.3, x64)
  • CompilerTSServer - node (v18.10.0, x64)
  • CompilerTSServer - node (v16.17.1, x64)
  • CompilerTSServer - node (v14.21.3, x64)
  • xstateTSServer - node (v18.10.0, x64)
  • xstateTSServer - node (v16.17.1, x64)
  • xstateTSServer - node (v14.21.3, x64)
Benchmark Name Iterations
Current 55222 6
Baseline main 6

Startup

Comparison Report - main..55222
Metric main 55222 Delta Best Worst p-value
tsc-startup - node (v16.17.1, x64)
Execution time 143.04ms (± 0.25%) 142.52ms (± 0.18%) -0.52ms (- 0.37%) 141.86ms 145.01ms p=0.000 n=600
tsserver-startup - node (v16.17.1, x64)
Execution time 222.23ms (± 0.17%) 221.80ms (± 0.18%) -0.43ms (- 0.19%) 220.94ms 229.73ms p=0.000 n=600
tsserverlibrary-startup - node (v16.17.1, x64)
Execution time 223.71ms (± 0.17%) 223.26ms (± 0.17%) -0.45ms (- 0.20%) 222.31ms 228.31ms p=0.000 n=600
typescript-startup - node (v16.17.1, x64)
Execution time 206.38ms (± 0.24%) 205.27ms (± 0.16%) -1.10ms (- 0.53%) 204.37ms 209.04ms p=0.000 n=600
System
Machine Namets-ci-ubuntu
Platformlinux 5.4.0-148-generic
Architecturex64
Available Memory16 GB
Available Memory15 GB
CPUs4 × Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz
Hosts
  • node (v16.17.1, x64)
Scenarios
  • tsc-startup - node (v16.17.1, x64)
  • tsserver-startup - node (v16.17.1, x64)
  • tsserverlibrary-startup - node (v16.17.1, x64)
  • typescript-startup - node (v16.17.1, x64)
Benchmark Name Iterations
Current 55222 6
Baseline main 6

Developer Information:

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typescript-bot commented Aug 1, 2023

@jakebailey Here are the results of running the top-repos suite comparing main and refs/pull/55222/merge:

Everything looks good!

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typescript-bot commented Aug 1, 2023

Hey @jakebailey, it looks like the DT test run failed. Please check the log for more details.
You can check the log here.

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typescript-bot commented Aug 1, 2023

@jakebailey Here are the results of running the top-repos suite comparing main and refs/pull/55222/merge:

Everything looks good!

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jakebailey commented Aug 1, 2023

7% check degradation in xstate, ouch

@typescript-bot perf test this faster

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typescript-bot commented Aug 1, 2023 •
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Heya @jakebailey, I've started to run the abridged perf test suite on this PR at 5902018. You can monitor the build here.

Update: The results are in!

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typescript-bot commented Aug 1, 2023

@jakebailey
The results of the perf run you requested are in!

Here they are:

Comparison Report - main..55222

Metric main 55222 Delta Best Worst p-value
Angular - node (v16.17.1, x64)
Memory used 368,218k (± 0.00%) 368,212k (± 0.00%) ~ 368,196k 368,238k p=0.298 n=6
Parse Time 3.57s (± 0.39%) 3.58s (± 0.63%) ~ 3.54s 3.60s p=0.370 n=6
Bind Time 1.19s (± 0.63%) 1.19s (± 0.34%) ~ 1.19s 1.20s p=0.389 n=6
Check Time 9.76s (± 0.72%) 9.73s (± 0.32%) ~ 9.68s 9.77s p=0.294 n=6
Emit Time 8.04s (± 0.80%) 7.99s (± 0.62%) ~ 7.92s 8.04s p=0.107 n=6
Total Time 22.55s (± 0.58%) 22.48s (± 0.36%) ~ 22.40s 22.58s p=0.520 n=6
Compiler-Unions - node (v16.17.1, x64)
Memory used 193,823k (± 0.02%) 193,817k (± 0.01%) ~ 193,777k 193,851k p=0.936 n=6
Parse Time 1.59s (± 0.96%) 1.59s (± 0.86%) ~ 1.56s 1.60s p=0.867 n=6
Bind Time 0.82s (± 0.92%) 0.82s (± 0.99%) ~ 0.82s 0.84s p=1.000 n=6
Check Time 10.16s (± 0.48%) 10.14s (± 0.76%) ~ 10.04s 10.23s p=0.628 n=6
Emit Time 2.98s (± 0.87%) 2.97s (± 0.45%) ~ 2.95s 2.98s p=0.565 n=6
Total Time 15.56s (± 0.35%) 15.52s (± 0.54%) ~ 15.39s 15.60s p=0.423 n=6
Monaco - node (v16.17.1, x64)
Memory used 347,078k (± 0.01%) 347,080k (± 0.01%) ~ 347,050k 347,102k p=0.688 n=6
Parse Time 2.77s (± 0.44%) 2.77s (± 0.63%) ~ 2.75s 2.79s p=0.369 n=6
Bind Time 1.08s (± 0.48%) 1.08s (± 0.59%) ~ 1.07s 1.09s p=0.386 n=6
Check Time 8.04s (± 0.61%) 8.01s (± 0.37%) ~ 7.96s 8.05s p=0.291 n=6
Emit Time 4.48s (± 0.56%) 4.45s (± 0.59%) ~ 4.42s 4.49s p=0.063 n=6
Total Time 16.36s (± 0.36%) 16.31s (± 0.38%) ~ 16.25s 16.42s p=0.128 n=6
TFS - node (v16.17.1, x64)
Memory used 301,118k (± 0.01%) 301,102k (± 0.01%) ~ 301,080k 301,137k p=0.199 n=6
Parse Time 2.20s (± 0.38%) 2.21s (± 0.62%) +0.02s (+ 0.84%) 2.20s 2.23s p=0.021 n=6
Bind Time 1.22s (± 1.70%) 1.22s (± 0.84%) ~ 1.21s 1.24s p=0.459 n=6
Check Time 7.34s (± 0.31%) 7.33s (± 0.22%) ~ 7.31s 7.35s p=0.252 n=6
Emit Time 4.30s (± 1.17%) 4.29s (± 0.41%) ~ 4.27s 4.32s p=0.745 n=6
Total Time 15.06s (± 0.25%) 15.06s (± 0.30%) ~ 15.00s 15.11s p=0.871 n=6
material-ui - node (v16.17.1, x64)
Memory used 481,882k (± 0.01%) 481,875k (± 0.01%) ~ 481,830k 481,901k p=0.748 n=6
Parse Time 3.26s (± 0.72%) 3.27s (± 0.45%) ~ 3.25s 3.29s p=0.287 n=6
Bind Time 0.96s (± 0.85%) 0.95s (± 0.54%) ~ 0.95s 0.96s p=0.523 n=6
Check Time 18.34s (± 0.39%) 18.35s (± 0.65%) ~ 18.20s 18.52s p=0.936 n=6
Emit Time 0.00s (± 0.00%) 0.00s (± 0.00%) ~ 0.00s 0.00s p=1.000 n=6
Total Time 22.55s (± 0.36%) 22.58s (± 0.51%) ~ 22.45s 22.75s p=0.809 n=6
xstate - node (v16.17.1, x64)
Memory used 561,343k (± 0.01%) 563,176k (± 0.04%) +1,833k (+ 0.33%) 562,997k 563,455k p=0.005 n=6
Parse Time 4.02s (± 0.30%) 4.02s (± 0.30%) ~ 4.01s 4.04s p=1.000 n=6
Bind Time 1.66s (± 5.88%) 1.72s (± 5.38%) ~ 1.54s 1.80s p=0.370 n=6
Check Time 3.09s (± 1.60%) 3.31s (± 2.99%) +0.22s (+ 7.06%) 3.25s 3.51s p=0.005 n=6
Emit Time 0.09s (± 5.53%) 0.09s (± 0.00%) ~ 0.09s 0.09s p=0.174 n=6
Total Time 8.87s (± 0.58%) 9.15s (± 0.21%) +0.28s (+ 3.16%) 9.12s 9.17s p=0.005 n=6
System
Machine Namets-ci-ubuntu
Platformlinux 5.4.0-148-generic
Architecturex64
Available Memory16 GB
Available Memory15 GB
CPUs4 × Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz
Hosts
  • node (v16.17.1, x64)
Scenarios
  • Angular - node (v16.17.1, x64)
  • Compiler-Unions - node (v16.17.1, x64)
  • Monaco - node (v16.17.1, x64)
  • TFS - node (v16.17.1, x64)
  • material-ui - node (v16.17.1, x64)
  • xstate - node (v16.17.1, x64)
Benchmark Name Iterations
Current 55222 6
Baseline main 6

Developer Information:

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jakebailey commented Aug 1, 2023

This PR failed RWC but the diffs aren't correctly being pushed. Need to figure that out.

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jakebailey commented Aug 15, 2023

@typescript-bot perf test this faster

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typescript-bot commented Aug 15, 2023 •
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Heya @jakebailey, I've started to run the tsc-only perf test suite on this PR at 5902018. You can monitor the build here.

Update: The results are in!

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typescript-bot commented Aug 15, 2023

@jakebailey
The results of the perf run you requested are in!

Here they are:

Compiler

Comparison Report - baseline..pr
Metric baseline pr Delta Best Worst p-value
Angular - node (v16.17.1, x64)
Memory used 300,307k (± 0.01%) 300,336k (± 0.00%) +30k (+ 0.01%) 300,312k 300,349k p=0.020 n=6
Parse Time 3.02s (± 0.13%) 3.03s (± 0.13%) +0.01s (+ 0.22%) 3.02s 3.03s p=0.034 n=6
Bind Time 0.93s (± 0.00%) 0.93s (± 0.00%) ~ 0.93s 0.93s p=1.000 n=6
Check Time 9.46s (± 0.26%) 9.45s (± 0.20%) ~ 9.43s 9.47s p=0.188 n=6
Emit Time 7.62s (± 0.29%) 7.63s (± 0.41%) ~ 7.59s 7.68s p=1.000 n=6
Total Time 21.04s (± 0.12%) 21.03s (± 0.15%) ~ 21.00s 21.07s p=0.935 n=6
Compiler-Unions - node (v16.17.1, x64)
Memory used 193,822k (± 0.01%) 193,830k (± 0.01%) ~ 193,797k 193,859k p=0.810 n=6
Parse Time 1.57s (± 1.05%) 1.56s (± 1.05%) ~ 1.55s 1.59s p=0.441 n=6
Bind Time 0.79s (± 0.00%) 0.79s (± 0.00%) ~ 0.79s 0.79s p=1.000 n=6
Check Time 9.90s (± 0.21%) 9.86s (± 0.17%) -0.04s (- 0.37%) 9.84s 9.88s p=0.012 n=6
Emit Time 2.75s (± 0.19%) 2.74s (± 0.38%) ~ 2.73s 2.76s p=0.437 n=6
Total Time 15.01s (± 0.21%) 14.95s (± 0.18%) -0.06s (- 0.38%) 14.91s 14.99s p=0.013 n=6
Monaco - node (v16.17.1, x64)
Memory used 347,109k (± 0.01%) 347,102k (± 0.01%) ~ 347,081k 347,129k p=0.575 n=6
Parse Time 2.68s (± 0.30%) 2.69s (± 0.39%) ~ 2.67s 2.70s p=0.865 n=6
Bind Time 0.99s (± 0.00%) 0.99s (± 0.00%) ~ 0.99s 0.99s p=1.000 n=6
Check Time 7.90s (± 0.38%) 7.91s (± 0.13%) ~ 7.89s 7.92s p=0.806 n=6
Emit Time 4.25s (± 0.28%) 4.26s (± 0.38%) ~ 4.23s 4.28s p=0.549 n=6
Total Time 15.83s (± 0.19%) 15.83s (± 0.17%) ~ 15.80s 15.88s p=0.570 n=6
TFS - node (v16.17.1, x64)
Memory used 301,119k (± 0.01%) 301,119k (± 0.00%) ~ 301,101k 301,135k p=1.000 n=6
Parse Time 2.18s (± 0.61%) 2.18s (± 0.56%) ~ 2.16s 2.19s p=0.863 n=6
Bind Time 1.11s (± 1.51%) 1.11s (± 0.57%) ~ 1.10s 1.12s p=0.720 n=6
Check Time 7.22s (± 0.40%) 7.22s (± 0.32%) ~ 7.19s 7.26s p=1.000 n=6
Emit Time 3.97s (± 0.23%) 3.97s (± 0.36%) ~ 3.95s 3.99s p=1.000 n=6
Total Time 14.48s (± 0.33%) 14.48s (± 0.13%) ~ 14.46s 14.51s p=0.687 n=6
material-ui - node (v16.17.1, x64)
Memory used 479,389k (± 0.01%) 479,417k (± 0.01%) ~ 479,335k 479,503k p=0.575 n=6
Parse Time 3.15s (± 0.24%) 3.15s (± 0.13%) ~ 3.15s 3.16s p=0.389 n=6
Bind Time 0.91s (± 0.45%) 0.91s (± 0.00%) ~ 0.91s 0.91s p=0.405 n=6
Check Time 17.90s (± 0.25%) 17.92s (± 0.33%) ~ 17.85s 18.00s p=0.872 n=6
Emit Time 0.00s (± 0.00%) 0.00s (± 0.00%) ~ 0.00s 0.00s p=1.000 n=6
Total Time 21.96s (± 0.21%) 21.98s (± 0.25%) ~ 21.91s 22.05s p=0.748 n=6
xstate - node (v16.17.1, x64)
Memory used 542,764k (± 0.01%) 544,461k (± 0.01%) +1,696k (+ 0.31%) 544,400k 544,557k p=0.005 n=6
Parse Time 3.70s (± 0.17%) 3.70s (± 0.17%) ~ 3.69s 3.71s p=1.000 n=6
Bind Time 1.38s (± 4.67%) 1.40s (± 4.45%) ~ 1.34s 1.46s p=1.000 n=6
Check Time 3.30s (± 2.68%) 3.41s (± 2.21%) ~ 3.33s 3.49s p=0.128 n=6
Emit Time 0.08s (± 0.00%) 0.08s (± 6.19%) ~ 0.08s 0.09s p=0.174 n=6
Total Time 8.46s (± 0.38%) 8.58s (± 0.23%) +0.13s (+ 1.48%) 8.55s 8.60s p=0.005 n=6
System info unknown
Hosts
  • node (v16.17.1, x64)
Scenarios
  • Angular - node (v16.17.1, x64)
  • Compiler-Unions - node (v16.17.1, x64)
  • Monaco - node (v16.17.1, x64)
  • TFS - node (v16.17.1, x64)
  • material-ui - node (v16.17.1, x64)
  • xstate - node (v16.17.1, x64)
Benchmark Name Iterations
Current pr 6
Baseline baseline 6

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jakebailey commented Jul 24, 2024

Surely if I keep retrying it, it will eventually not break perf, right?

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typescript-bot commented Jul 24, 2024 •
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Starting jobs; this comment will be updated as builds start and complete.

Command Status Results
perf test this faster ✅ Started 👀 Results

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typescript-bot commented Jul 24, 2024

@jakebailey
The results of the perf run you requested are in!

Here they are:

tsc

Comparison Report - baseline..pr
Metric baseline pr Delta Best Worst p-value
Compiler-Unions - node (v18.15.0, x64)
Errors 30 30 ~ ~ ~ p=1.000 n=6
Symbols 62,153 62,153 ~ ~ ~ p=1.000 n=6
Types 50,242 50,242 ~ ~ ~ p=1.000 n=6
Memory used 192,998k (± 0.78%) 194,107k (± 1.01%) ~ 192,286k 195,927k p=0.689 n=6
Parse Time 1.30s (± 0.90%) 1.30s (± 0.69%) ~ 1.29s 1.31s p=0.933 n=6
Bind Time 0.71s 0.71s ~ ~ ~ p=1.000 n=6
Check Time 9.56s (± 0.41%) 9.56s (± 0.50%) ~ 9.49s 9.62s p=0.936 n=6
Emit Time 2.73s (± 1.97%) 2.74s (± 0.63%) ~ 2.72s 2.76s p=0.565 n=6
Total Time 14.30s (± 0.50%) 14.31s (± 0.44%) ~ 14.22s 14.40s p=0.936 n=6
angular-1 - node (v18.15.0, x64)
Errors 7 7 ~ ~ ~ p=1.000 n=6
Symbols 945,532 945,679 +147 (+ 0.02%) ~ ~ p=0.001 n=6
Types 409,507 409,555 +48 (+ 0.01%) ~ ~ p=0.001 n=6
Memory used 1,221,125k (± 0.00%) 1,221,258k (± 0.00%) +133k (+ 0.01%) 1,221,189k 1,221,306k p=0.005 n=6
Parse Time 6.63s (± 0.37%) 6.63s (± 0.85%) ~ 6.55s 6.71s p=0.809 n=6
Bind Time 1.86s (± 0.66%) 1.86s (± 0.28%) ~ 1.86s 1.87s p=0.241 n=6
Check Time 31.10s (± 0.29%) 31.24s (± 0.52%) ~ 31.08s 31.50s p=0.092 n=6
Emit Time 14.99s (± 0.55%) 15.00s (± 0.60%) ~ 14.90s 15.11s p=1.000 n=6
Total Time 54.57s (± 0.30%) 54.74s (± 0.45%) ~ 54.47s 55.06s p=0.378 n=6
mui-docs - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 2,324,872 2,329,028 +4,156 (+ 0.18%) ~ ~ p=0.001 n=6
Types 949,556 951,073 +1,517 (+ 0.16%) ~ ~ p=0.001 n=6
Memory used 2,222,587k (± 0.00%) 2,225,049k (± 0.00%) +2,463k (+ 0.11%) 2,224,970k 2,225,130k p=0.005 n=6
Parse Time 6.63s (± 0.40%) 6.63s (± 0.31%) ~ 6.60s 6.65s p=0.685 n=6
Bind Time 2.32s (± 0.44%) 2.33s (± 0.52%) ~ 2.31s 2.34s p=0.675 n=6
Check Time 73.08s (± 0.45%) 72.96s (± 0.36%) ~ 72.62s 73.33s p=0.689 n=6
Emit Time 0.14s (± 3.77%) 0.14s (± 6.19%) ~ 0.13s 0.15s p=0.533 n=6
Total Time 82.17s (± 0.42%) 82.05s (± 0.32%) ~ 81.70s 82.40s p=0.630 n=6
self-build-src - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 1,230,120 1,230,140 +20 (+ 0.00%) ~ ~ p=0.001 n=6
Types 265,641 265,674 +33 (+ 0.01%) ~ ~ p=0.001 n=6
Memory used 2,347,505k (± 0.01%) 2,466,094k (±11.78%) ~ 2,346,788k 3,059,873k p=0.810 n=6
Parse Time 5.00s (± 0.58%) 5.00s (± 0.85%) ~ 4.93s 5.04s p=0.520 n=6
Bind Time 1.89s (± 0.64%) 1.90s (± 1.28%) ~ 1.85s 1.92s p=0.405 n=6
Check Time 34.73s (± 0.52%) 34.75s (± 0.22%) ~ 34.65s 34.86s p=0.936 n=6
Emit Time 3.28s (± 1.05%) 3.29s (± 1.05%) ~ 3.24s 3.33s p=0.872 n=6
Total Time 44.91s (± 0.46%) 44.96s (± 0.17%) ~ 44.86s 45.06s p=0.575 n=6
self-build-src-public-api - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 1,230,120 1,230,140 +20 (+ 0.00%) ~ ~ p=0.001 n=6
Types 265,641 265,674 +33 (+ 0.01%) ~ ~ p=0.001 n=6
Memory used 2,421,504k (± 0.01%) 2,421,649k (± 0.02%) ~ 2,421,151k 2,422,181k p=0.688 n=6
Parse Time 6.24s (± 0.51%) 6.27s (± 0.83%) ~ 6.22s 6.35s p=0.297 n=6
Bind Time 2.05s (± 1.29%) 2.05s (± 0.85%) ~ 2.02s 2.07s p=1.000 n=6
Check Time 41.33s (± 0.48%) 41.43s (± 0.14%) ~ 41.34s 41.52s p=0.066 n=6
Emit Time 4.06s (± 1.64%) 4.06s (± 0.77%) ~ 4.03s 4.11s p=0.686 n=6
Total Time 53.69s (± 0.51%) 53.83s (± 0.18%) ~ 53.74s 53.99s p=0.065 n=6
self-compiler - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 258,471 258,485 +14 (+ 0.01%) ~ ~ p=0.001 n=6
Types 105,534 105,561 +27 (+ 0.03%) ~ ~ p=0.001 n=6
Memory used 429,163k (± 0.05%) 429,270k (± 0.03%) ~ 429,106k 429,451k p=0.173 n=6
Parse Time 3.34s (± 0.77%) 3.34s (± 0.23%) ~ 3.33s 3.35s p=1.000 n=6
Bind Time 1.32s (± 1.64%) 1.31s (± 1.25%) ~ 1.30s 1.33s p=0.675 n=6
Check Time 17.96s (± 0.30%) 18.02s (± 0.32%) ~ 17.93s 18.10s p=0.108 n=6
Emit Time 1.63s (± 0.72%) 1.63s (± 1.21%) ~ 1.60s 1.66s p=0.605 n=6
Total Time 24.24s (± 0.27%) 24.29s (± 0.25%) ~ 24.23s 24.40s p=0.372 n=6
ts-pre-modules - node (v18.15.0, x64)
Errors 35 35 ~ ~ ~ p=1.000 n=6
Symbols 224,931 224,931 ~ ~ ~ p=1.000 n=6
Types 94,146 94,146 ~ ~ ~ p=1.000 n=6
Memory used 369,982k (± 0.02%) 370,106k (± 0.05%) ~ 369,888k 370,327k p=0.298 n=6
Parse Time 2.76s (± 1.13%) 2.77s (± 0.35%) ~ 2.76s 2.78s p=0.461 n=6
Bind Time 1.59s (± 1.43%) 1.59s (± 1.61%) ~ 1.56s 1.62s p=0.934 n=6
Check Time 15.65s (± 0.39%) 15.61s (± 0.45%) ~ 15.54s 15.73s p=0.378 n=6
Emit Time 0.00s 0.00s ~ ~ ~ p=1.000 n=6
Total Time 20.00s (± 0.26%) 19.97s (± 0.42%) ~ 19.88s 20.10s p=0.423 n=6
vscode - node (v18.15.0, x64)
Errors 11 11 ~ ~ ~ p=1.000 n=6
Symbols 2,985,953 3,011,882 +25,929 (+ 0.87%) ~ ~ p=0.001 n=6
Types 1,027,137 1,030,528 +3,391 (+ 0.33%) ~ ~ p=0.001 n=6
Memory used 3,109,968k (± 0.00%) 3,120,841k (± 0.00%) +10,873k (+ 0.35%) 3,120,792k 3,120,914k p=0.005 n=6
Parse Time 17.12s (± 0.18%) 17.14s (± 0.17%) ~ 17.11s 17.19s p=0.293 n=6
Bind Time 5.21s (± 0.23%) 5.25s (± 1.82%) ~ 5.20s 5.45s p=0.438 n=6
Check Time 96.29s (± 0.38%) 96.30s (± 0.15%) ~ 96.09s 96.47s p=0.936 n=6
Emit Time 25.08s (± 0.47%) 25.09s (± 0.81%) ~ 24.90s 25.46s p=0.873 n=6
Total Time 143.71s (± 0.27%) 143.79s (± 0.23%) ~ 143.41s 144.25s p=0.748 n=6
webpack - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 267,560 267,560 ~ ~ ~ p=1.000 n=6
Types 109,076 109,076 ~ ~ ~ p=1.000 n=6
Memory used 412,464k (± 0.02%) 412,402k (± 0.01%) ~ 412,350k 412,479k p=0.128 n=6
Parse Time 3.83s (± 0.73%) 3.83s (± 0.65%) ~ 3.79s 3.86s p=0.520 n=6
Bind Time 1.71s (± 0.49%) 1.72s (± 0.30%) ~ 1.71s 1.72s p=0.533 n=6
Check Time 16.93s (± 0.66%) 16.89s (± 0.32%) ~ 16.79s 16.93s p=0.334 n=6
Emit Time 0.00s 0.00s ~ ~ ~ p=1.000 n=6
Total Time 22.47s (± 0.54%) 22.44s (± 0.20%) ~ 22.37s 22.49s p=0.378 n=6
xstate-main - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 511,803 517,597 +5,794 (+ 1.13%) ~ ~ p=0.001 n=6
Types 162,088 163,963 +1,875 (+ 1.16%) ~ ~ p=0.001 n=6
Memory used 448,992k (± 0.09%) 452,469k (± 0.02%) +3,478k (+ 0.77%) 452,360k 452,659k p=0.005 n=6
Parse Time 3.90s (± 0.44%) 3.91s (± 0.56%) ~ 3.88s 3.94s p=0.408 n=6
Bind Time 1.44s (± 0.84%) 1.44s (± 0.68%) ~ 1.43s 1.46s p=0.226 n=6
Check Time 21.27s (± 0.29%) 21.15s (± 0.40%) -0.12s (- 0.56%) 21.02s 21.23s p=0.020 n=6
Emit Time 0.00s 0.00s ~ ~ ~ p=1.000 n=6
Total Time 26.62s (± 0.29%) 26.51s (± 0.41%) ~ 26.34s 26.62s p=0.065 n=6
System info unknown
Hosts
  • node (v18.15.0, x64)
Scenarios
  • Compiler-Unions - node (v18.15.0, x64)
  • angular-1 - node (v18.15.0, x64)
  • mui-docs - node (v18.15.0, x64)
  • self-build-src - node (v18.15.0, x64)
  • self-build-src-public-api - node (v18.15.0, x64)
  • self-compiler - node (v18.15.0, x64)
  • ts-pre-modules - node (v18.15.0, x64)
  • vscode - node (v18.15.0, x64)
  • webpack - node (v18.15.0, x64)
  • xstate-main - node (v18.15.0, x64)
Benchmark Name Iterations
Current pr 6
Baseline baseline 6

Developer Information:

Download Benchmarks

@Andarist Andarist mentioned this pull request Apr 5, 2025
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@jakebailey
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jakebailey commented Dec 4, 2025

@typescript-bot test it

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typescript-bot commented Dec 4, 2025 •
edited
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Command Status Results
test top400 ✅ Started ✅ Results
user test this ✅ Started ✅ Results
run dt ✅ Started ✅ Results
perf test this faster ✅ Started 👀 Results

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typescript-bot commented Dec 4, 2025

Hey @jakebailey, the results of running the DT tests are ready.

Everything looks the same!

You can check the log here.

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typescript-bot commented Dec 4, 2025

@jakebailey Here are the results of running the user tests with tsc comparing main and refs/pull/55222/merge:

There were infrastructure failures potentially unrelated to your change:

  • 1 instance of "Git clone failed"

Otherwise...

Everything looks good!

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typescript-bot commented Dec 4, 2025

@jakebailey
The results of the perf run you requested are in!

Here they are:

tsc

Comparison Report - baseline..pr
Metric baseline pr Delta Best Worst p-value
Compiler-Unions - node (v18.15.0, x64)
Errors 1 1 ~ ~ ~ p=1.000 n=6
Symbols 62,370 62,370 ~ ~ ~ p=1.000 n=6
Types 50,387 50,387 ~ ~ ~ p=1.000 n=6
Memory used 195,514k (± 0.78%) 195,619k (± 0.84%) ~ 192,286k 196,445k p=0.575 n=6
Parse Time 1.59s (± 2.43%) 1.60s (± 2.42%) ~ 1.53s 1.64s p=0.519 n=6
Bind Time 0.90s (± 1.63%) 0.90s (± 1.72%) ~ 0.88s 0.91s p=0.805 n=6
Check Time 11.92s (± 0.35%) 11.94s (± 0.66%) ~ 11.84s 12.04s p=0.630 n=6
Emit Time 3.46s (± 4.37%) 3.38s (± 4.08%) ~ 3.25s 3.59s p=0.575 n=6
Total Time 17.87s (± 0.92%) 17.82s (± 0.69%) ~ 17.70s 17.98s p=0.575 n=6
angular-1 - node (v18.15.0, x64)
Errors 2 2 ~ ~ ~ p=1.000 n=6
Symbols 956,048 956,195 +147 (+ 0.02%) ~ ~ p=0.001 n=6
Types 415,904 415,952 +48 (+ 0.01%) ~ ~ p=0.001 n=6
Memory used 1,255,165k (± 0.00%) 1,255,346k (± 0.01%) +181k (+ 0.01%) 1,255,202k 1,255,516k p=0.005 n=6
Parse Time 8.01s (± 0.63%) 7.97s (± 0.83%) ~ 7.91s 8.09s p=0.261 n=6
Bind Time 2.38s (± 0.95%) 2.36s (± 0.44%) ~ 2.35s 2.38s p=0.288 n=6
Check Time 38.79s (± 0.30%) 38.65s (± 0.26%) ~ 38.53s 38.82s p=0.066 n=6
Emit Time 17.92s (± 0.37%) 17.93s (± 0.30%) ~ 17.86s 18.01s p=0.809 n=6
Total Time 67.08s (± 0.25%) 66.91s (± 0.24%) ~ 66.74s 67.14s p=0.128 n=6
mui-docs - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 2,722,102 2,724,078 +1,976 (+ 0.07%) ~ ~ p=0.001 n=6
Types 937,520 938,711 +1,191 (+ 0.13%) ~ ~ p=0.001 n=6
Memory used 3,051,260k (± 0.00%) 3,052,716k (± 0.01%) +1,456k (+ 0.05%) 3,052,514k 3,052,913k p=0.005 n=6
Parse Time 10.45s (± 0.63%) 10.42s (± 0.76%) ~ 10.36s 10.55s p=0.628 n=6
Bind Time 2.81s (± 0.87%) 2.81s (± 0.95%) ~ 2.77s 2.84s p=0.935 n=6
Check Time 112.54s (± 2.02%) 112.73s (± 0.82%) ~ 111.61s 114.04s p=0.230 n=6
Emit Time 0.38s (± 2.69%) 0.39s (± 4.22%) ~ 0.36s 0.40s p=0.612 n=6
Total Time 126.18s (± 1.79%) 126.35s (± 0.71%) ~ 125.19s 127.62s p=0.173 n=6
self-build-src - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 1,251,654 1,251,674 +20 (+ 0.00%) ~ ~ p=0.001 n=6
Types 259,840 259,873 +33 (+ 0.01%) ~ ~ p=0.001 n=6
Memory used 2,881,523k (±13.06%) 3,125,265k (± 0.02%) 🔻+243,742k (+ 8.46%) 3,124,529k 3,126,106k p=0.045 n=6
Parse Time 6.60s (± 1.89%) 6.68s (± 0.89%) ~ 6.61s 6.78s p=0.378 n=6
Bind Time 2.24s (± 2.32%) 2.21s (± 0.64%) ~ 2.19s 2.23s p=0.521 n=6
Check Time 42.99s (± 0.19%) 43.10s (± 0.31%) +0.12s (+ 0.27%) 42.85s 43.22s p=0.045 n=6
Emit Time 3.54s (± 2.96%) 3.49s (± 2.46%) ~ 3.35s 3.57s p=0.378 n=6
Total Time 55.36s (± 0.31%) 55.47s (± 0.29%) ~ 55.24s 55.63s p=0.471 n=6
self-build-src-public-api - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 1,251,654 1,251,674 +20 (+ 0.00%) ~ ~ p=0.001 n=6
Types 259,840 259,873 +33 (+ 0.01%) ~ ~ p=0.001 n=6
Memory used 3,067,566k (± 9.63%) 3,067,444k (± 9.66%) ~ 2,462,263k 3,188,975k p=1.000 n=6
Parse Time 6.77s (± 1.70%) 6.76s (± 0.87%) ~ 6.66s 6.81s p=0.575 n=6
Bind Time 2.27s (± 1.11%) 2.27s (± 1.20%) ~ 2.24s 2.31s p=1.000 n=6
Check Time 43.16s (± 0.47%) 43.20s (± 0.31%) ~ 43.04s 43.38s p=0.810 n=6
Emit Time 3.50s (± 1.97%) 3.55s (± 2.03%) ~ 3.48s 3.68s p=0.378 n=6
Total Time 55.68s (± 0.59%) 55.78s (± 0.27%) ~ 55.60s 56.04s p=0.936 n=6
self-compiler - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 264,287 264,301 +14 (+ 0.01%) ~ ~ p=0.001 n=6
Types 104,051 104,078 +27 (+ 0.03%) ~ ~ p=0.001 n=6
Memory used 443,307k (± 0.02%) 443,789k (± 0.25%) ~ 443,239k 446,014k p=0.377 n=6
Parse Time 3.51s (± 0.86%) 3.51s (± 0.82%) ~ 3.47s 3.55s p=0.683 n=6
Bind Time 1.37s (± 1.03%) 1.38s (± 1.00%) ~ 1.36s 1.39s p=0.623 n=6
Check Time 19.14s (± 0.32%) 19.20s (± 0.56%) ~ 19.05s 19.35s p=0.227 n=6
Emit Time 1.55s (± 1.39%) 1.55s (± 0.78%) ~ 1.53s 1.56s p=0.739 n=6
Total Time 25.56s (± 0.27%) 25.64s (± 0.42%) ~ 25.47s 25.77s p=0.261 n=6
ts-pre-modules - node (v18.15.0, x64)
Errors 72 72 ~ ~ ~ p=1.000 n=6
Symbols 225,493 225,493 ~ ~ ~ p=1.000 n=6
Types 94,373 94,373 ~ ~ ~ p=1.000 n=6
Memory used 370,119k (± 0.01%) 370,238k (± 0.06%) ~ 370,053k 370,581k p=0.810 n=6
Parse Time 2.83s (± 1.58%) 2.82s (± 1.04%) ~ 2.79s 2.87s p=0.687 n=6
Bind Time 1.64s (± 1.00%) 1.64s (± 0.83%) ~ 1.62s 1.66s p=0.512 n=6
Check Time 16.64s (± 0.21%) 16.62s (± 0.48%) ~ 16.52s 16.72s p=0.520 n=6
Emit Time 0.00s 0.00s ~ ~ ~ p=1.000 n=6
Total Time 21.11s (± 0.31%) 21.09s (± 0.44%) ~ 20.98s 21.21s p=0.575 n=6
vscode - node (v18.15.0, x64)
Errors 11 11 ~ ~ ~ p=1.000 n=6
Symbols 4,077,459 4,098,151 +20,692 (+ 0.51%) ~ ~ p=0.001 n=6
Types 1,284,570 1,287,348 +2,778 (+ 0.22%) ~ ~ p=0.001 n=6
Memory used 3,863,540k (± 0.00%) 3,871,966k (± 0.01%) +8,426k (+ 0.22%) 3,871,670k 3,872,304k p=0.005 n=6
Parse Time 15.69s (± 0.23%) 15.74s (± 0.33%) ~ 15.64s 15.78s p=0.075 n=6
Bind Time 5.29s (± 0.71%) 5.29s (± 0.51%) ~ 5.25s 5.33s p=1.000 n=6
Check Time 113.21s (± 3.03%) 113.96s (± 2.48%) ~ 109.99s 117.61s p=0.689 n=6
Emit Time 40.16s (± 7.13%) 44.29s (±13.92%) ~ 38.89s 52.76s p=0.199 n=6
Total Time 174.35s (± 2.34%) 179.28s (± 3.24%) ~ 172.64s 186.98s p=0.230 n=6
webpack - node (v18.15.0, x64)
Errors 40 40 ~ ~ ~ p=1.000 n=6
Symbols 380,758 380,783 +25 (+ 0.01%) ~ ~ p=0.001 n=6
Types 166,811 166,860 +49 (+ 0.03%) ~ ~ p=0.001 n=6
Memory used 540,920k (± 0.02%) 540,958k (± 0.01%) ~ 540,869k 541,015k p=0.630 n=6
Parse Time 4.72s (± 0.35%) 4.69s (± 0.29%) ~ 4.68s 4.71s p=0.059 n=6
Bind Time 2.04s (± 1.80%) 2.05s (± 1.56%) ~ 2.01s 2.10s p=0.746 n=6
Check Time 22.99s (± 0.27%) 22.97s (± 0.26%) ~ 22.89s 23.04s p=0.872 n=6
Emit Time 0.00s 0.00s ~ ~ ~ p=1.000 n=6
Total Time 29.73s (± 0.15%) 29.72s (± 0.14%) ~ 29.67s 29.77s p=0.746 n=6
xstate-main - node (v18.15.0, x64)
Errors 30 30 ~ ~ ~ p=1.000 n=6
Symbols 692,951 693,393 +442 (+ 0.06%) ~ ~ p=0.001 n=6
Types 210,425 210,996 +571 (+ 0.27%) ~ ~ p=0.001 n=6
Memory used 588,755k (± 0.01%) 589,200k (± 0.00%) +445k (+ 0.08%) 589,174k 589,239k p=0.005 n=6
Parse Time 3.34s (± 0.68%) 3.35s (± 0.61%) ~ 3.32s 3.37s p=0.514 n=6
Bind Time 1.19s (± 0.43%) 1.18s (± 0.44%) ~ 1.18s 1.19s p=0.311 n=6
Check Time 18.01s (± 0.19%) 18.04s (± 0.52%) ~ 17.97s 18.22s p=0.936 n=6
Emit Time 0.00s 0.00s ~ ~ ~ p=1.000 n=6
Total Time 22.54s (± 0.13%) 22.58s (± 0.35%) ~ 22.51s 22.73s p=0.418 n=6
System info unknown
Hosts
  • node (v18.15.0, x64)
Scenarios
  • Compiler-Unions - node (v18.15.0, x64)
  • angular-1 - node (v18.15.0, x64)
  • mui-docs - node (v18.15.0, x64)
  • self-build-src - node (v18.15.0, x64)
  • self-build-src-public-api - node (v18.15.0, x64)
  • self-compiler - node (v18.15.0, x64)
  • ts-pre-modules - node (v18.15.0, x64)
  • vscode - node (v18.15.0, x64)
  • webpack - node (v18.15.0, x64)
  • xstate-main - node (v18.15.0, x64)
Benchmark Name Iterations
Current pr 6
Baseline baseline 6

Developer Information:

Download Benchmarks

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typescript-bot commented Dec 4, 2025

@jakebailey Here are the results of running the top 400 repos with tsc comparing main and refs/pull/55222/merge:

Everything looks good!

@jakebailey
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jakebailey commented Dec 5, 2025

Hm, is this finally not bad?

@typescript-bot perf test this faster

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typescript-bot commented Dec 5, 2025 •
edited
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Command Status Results
perf test this faster ✅ Started 👀 Results

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typescript-bot commented Dec 5, 2025

@jakebailey
The results of the perf run you requested are in!

Here they are:

tsc

Comparison Report - baseline..pr
Metric baseline pr Delta Best Worst p-value
Compiler-Unions - node (v18.15.0, x64)
Errors 1 1 ~ ~ ~ p=1.000 n=6
Symbols 62,370 62,370 ~ ~ ~ p=1.000 n=6
Types 50,387 50,387 ~ ~ ~ p=1.000 n=6
Memory used 195,557k (± 0.77%) 195,726k (± 0.63%) ~ 193,217k 196,344k p=0.378 n=6
Parse Time 1.60s (± 0.76%) 1.61s (± 1.18%) ~ 1.59s 1.63s p=0.251 n=6
Bind Time 0.91s (± 2.41%) 0.91s (± 1.51%) ~ 0.89s 0.92s p=0.804 n=6
Check Time 11.98s (± 0.29%) 11.95s (± 0.47%) ~ 11.88s 12.02s p=0.375 n=6
Emit Time 3.52s (± 3.33%) 3.40s (± 4.99%) ~ 3.23s 3.59s p=0.199 n=6
Total Time 18.00s (± 0.37%) 17.87s (± 1.06%) ~ 17.65s 18.10s p=0.422 n=6
angular-1 - node (v18.15.0, x64)
Errors 2 2 ~ ~ ~ p=1.000 n=6
Symbols 956,048 956,195 +147 (+ 0.02%) ~ ~ p=0.001 n=6
Types 415,904 415,952 +48 (+ 0.01%) ~ ~ p=0.001 n=6
Memory used 1,255,070k (± 0.01%) 1,255,129k (± 0.00%) ~ 1,255,098k 1,255,151k p=0.066 n=6
Parse Time 6.56s (± 0.66%) 6.55s (± 0.43%) ~ 6.52s 6.60s p=0.872 n=6
Bind Time 1.96s (± 0.21%) 1.96s (± 0.32%) ~ 1.95s 1.97s p=0.673 n=6
Check Time 32.40s (± 0.37%) 32.34s (± 0.25%) ~ 32.22s 32.44s p=0.575 n=6
Emit Time 14.87s (± 0.88%) 14.89s (± 0.20%) ~ 14.86s 14.94s p=0.936 n=6
Total Time 55.78s (± 0.47%) 55.74s (± 0.17%) ~ 55.61s 55.88s p=0.471 n=6
mui-docs - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 2,722,128 2,724,104 +1,976 (+ 0.07%) ~ ~ p=0.001 n=6
Types 937,531 938,722 +1,191 (+ 0.13%) ~ ~ p=0.001 n=6
Memory used 3,050,992k (± 0.00%) 3,052,546k (± 0.00%) +1,554k (+ 0.05%) 3,052,405k 3,052,716k p=0.005 n=6
Parse Time 8.55s (± 0.17%) 8.55s (± 0.27%) ~ 8.52s 8.58s p=0.871 n=6
Bind Time 2.31s (± 0.35%) 2.32s (± 0.59%) ~ 2.30s 2.34s p=0.133 n=6
Check Time 93.10s (± 0.56%) 93.36s (± 0.34%) ~ 92.85s 93.76s p=0.335 n=6
Emit Time 0.31s (± 2.41%) 0.31s ~ ~ ~ p=0.598 n=6
Total Time 104.28s (± 0.50%) 104.54s (± 0.31%) ~ 104.01s 104.95s p=0.298 n=6
self-build-src - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 1,251,654 1,251,674 +20 (+ 0.00%) ~ ~ p=0.001 n=6
Types 259,840 259,873 +33 (+ 0.01%) ~ ~ p=0.001 n=6
Memory used 2,392,939k (± 0.02%) 2,393,323k (± 0.03%) ~ 2,392,743k 2,394,348k p=0.173 n=6
Parse Time 5.16s (± 0.74%) 5.18s (± 0.87%) ~ 5.14s 5.26s p=0.936 n=6
Bind Time 1.82s (± 1.39%) 1.82s (± 0.85%) ~ 1.81s 1.85s p=0.745 n=6
Check Time 35.57s (± 0.25%) 35.55s (± 0.21%) ~ 35.43s 35.65s p=1.000 n=6
Emit Time 3.01s (± 1.56%) 2.96s (± 1.52%) ~ 2.90s 3.02s p=0.149 n=6
Total Time 45.56s (± 0.22%) 45.52s (± 0.16%) ~ 45.41s 45.63s p=0.575 n=6
self-build-src-public-api - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 1,251,654 1,251,674 +20 (+ 0.00%) ~ ~ p=0.001 n=6
Types 259,840 259,873 +33 (+ 0.01%) ~ ~ p=0.001 n=6
Memory used 2,459,758k (± 0.02%) 2,459,534k (± 0.01%) ~ 2,459,267k 2,459,961k p=0.575 n=6
Parse Time 5.34s (± 0.85%) 5.33s (± 1.11%) ~ 5.28s 5.44s p=0.521 n=6
Bind Time 1.87s (± 0.48%) 1.85s (± 1.00%) ~ 1.82s 1.87s p=0.084 n=6
Check Time 35.55s (± 0.27%) 35.57s (± 0.39%) ~ 35.44s 35.77s p=0.936 n=6
Emit Time 3.03s (± 1.05%) 3.03s (± 1.06%) ~ 3.00s 3.07s p=1.000 n=6
Total Time 45.82s (± 0.21%) 45.80s (± 0.45%) ~ 45.63s 46.18s p=0.575 n=6
self-compiler - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 264,287 264,301 +14 (+ 0.01%) ~ ~ p=0.001 n=6
Types 104,051 104,078 +27 (+ 0.03%) ~ ~ p=0.001 n=6
Memory used 443,332k (± 0.01%) 443,391k (± 0.01%) ~ 443,325k 443,489k p=0.093 n=6
Parse Time 3.52s (± 0.55%) 3.53s (± 0.66%) ~ 3.51s 3.57s p=0.413 n=6
Bind Time 1.38s (± 0.59%) 1.37s (± 1.25%) ~ 1.35s 1.39s p=0.235 n=6
Check Time 19.23s (± 0.52%) 19.29s (± 0.65%) ~ 19.13s 19.43s p=0.471 n=6
Emit Time 1.54s (± 1.28%) 1.55s (± 1.18%) ~ 1.52s 1.57s p=0.801 n=6
Total Time 25.68s (± 0.41%) 25.74s (± 0.53%) ~ 25.56s 25.86s p=0.260 n=6
ts-pre-modules - node (v18.15.0, x64)
Errors 72 72 ~ ~ ~ p=1.000 n=6
Symbols 225,493 225,493 ~ ~ ~ p=1.000 n=6
Types 94,373 94,373 ~ ~ ~ p=1.000 n=6
Memory used 370,358k (± 0.05%) 370,160k (± 0.02%) -198k (- 0.05%) 370,087k 370,307k p=0.045 n=6
Parse Time 2.82s (± 0.76%) 2.82s (± 1.13%) ~ 2.78s 2.86s p=0.808 n=6
Bind Time 1.65s (± 0.92%) 1.65s (± 1.55%) ~ 1.61s 1.67s p=0.371 n=6
Check Time 16.61s (± 0.39%) 16.62s (± 0.26%) ~ 16.55s 16.68s p=0.747 n=6
Emit Time 0.00s (±244.70%) 0.00s (±244.70%) ~ 0.00s 0.01s p=1.000 n=6
Total Time 21.08s (± 0.44%) 21.09s (± 0.18%) ~ 21.04s 21.14s p=0.873 n=6
vscode - node (v18.15.0, x64)
Errors 11 11 ~ ~ ~ p=1.000 n=6
Symbols 4,080,067 4,100,759 +20,692 (+ 0.51%) ~ ~ p=0.001 n=6
Types 1,285,599 1,288,377 +2,778 (+ 0.22%) ~ ~ p=0.001 n=6
Memory used 3,865,718k (± 0.00%) 3,874,178k (± 0.00%) +8,460k (+ 0.22%) 3,874,012k 3,874,282k p=0.005 n=6
Parse Time 15.76s (± 0.69%) 15.69s (± 0.78%) ~ 15.53s 15.86s p=0.423 n=6
Bind Time 5.27s (± 0.35%) 5.32s (± 1.31%) ~ 5.23s 5.44s p=0.170 n=6
Check Time 115.63s (± 3.82%) 111.82s (± 1.15%) ~ 110.37s 114.23s p=0.093 n=6
Emit Time 42.03s (±11.39%) 41.20s (±12.80%) ~ 38.91s 51.97s p=0.471 n=6
Total Time 178.70s (± 4.97%) 174.02s (± 2.70%) ~ 171.30s 183.40s p=0.173 n=6
webpack - node (v18.15.0, x64)
Errors 40 40 ~ ~ ~ p=1.000 n=6
Symbols 380,702 380,727 +25 (+ 0.01%) ~ ~ p=0.001 n=6
Types 166,804 166,853 +49 (+ 0.03%) ~ ~ p=0.001 n=6
Memory used 540,934k (± 0.02%) 540,962k (± 0.01%) ~ 540,892k 541,033k p=0.471 n=6
Parse Time 4.72s (± 0.53%) 4.73s (± 0.31%) ~ 4.71s 4.75s p=0.370 n=6
Bind Time 2.03s (± 1.58%) 2.05s (± 1.21%) ~ 2.02s 2.08s p=0.333 n=6
Check Time 22.96s (± 0.47%) 23.01s (± 0.23%) ~ 22.92s 23.06s p=0.377 n=6
Emit Time 0.00s 0.00s ~ ~ ~ p=1.000 n=6
Total Time 29.72s (± 0.49%) 29.80s (± 0.20%) ~ 29.71s 29.87s p=0.378 n=6
xstate-main - node (v18.15.0, x64)
Errors 30 30 ~ ~ ~ p=1.000 n=6
Symbols 692,951 693,393 +442 (+ 0.06%) ~ ~ p=0.001 n=6
Types 210,425 210,996 +571 (+ 0.27%) ~ ~ p=0.001 n=6
Memory used 588,912k (± 0.02%) 589,418k (± 0.03%) +506k (+ 0.09%) 589,257k 589,609k p=0.005 n=6
Parse Time 4.18s (± 0.48%) 4.18s (± 0.41%) ~ 4.16s 4.21s p=1.000 n=6
Bind Time 1.41s (± 1.98%) 1.40s (± 1.38%) ~ 1.38s 1.43s p=0.625 n=6
Check Time 21.34s (± 1.32%) 21.10s (± 1.83%) ~ 20.69s 21.53s p=0.230 n=6
Emit Time 0.00s (±244.70%) 0.00s (±154.76%) ~ 0.00s 0.01s p=0.595 n=6
Total Time 26.92s (± 1.07%) 26.68s (± 1.46%) ~ 26.26s 27.12s p=0.298 n=6
System info unknown
Hosts
  • node (v18.15.0, x64)
Scenarios
  • Compiler-Unions - node (v18.15.0, x64)
  • angular-1 - node (v18.15.0, x64)
  • mui-docs - node (v18.15.0, x64)
  • self-build-src - node (v18.15.0, x64)
  • self-build-src-public-api - node (v18.15.0, x64)
  • self-compiler - node (v18.15.0, x64)
  • ts-pre-modules - node (v18.15.0, x64)
  • vscode - node (v18.15.0, x64)
  • webpack - node (v18.15.0, x64)
  • xstate-main - node (v18.15.0, x64)
Benchmark Name Iterations
Current pr 6
Baseline baseline 6

Developer Information:

Download Benchmarks

@typescript-bot typescript-bot added the For Backlog Bug PRs that fix a backlog bug label Dec 5, 2025
@jakebailey
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jakebailey commented Dec 5, 2025

@typescript-bot test it

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typescript-bot commented Dec 5, 2025 •
edited
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Starting jobs; this comment will be updated as builds start and complete.

Command Status Results
test top400 ✅ Started ✅ Results
user test this ✅ Started ✅ Results
run dt ✅ Started 👀 Results
perf test this faster ✅ Started 👀 Results

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typescript-bot commented Dec 5, 2025

Hey @jakebailey, the results of running the DT tests are ready.

There were interesting changes:

Branch only errors:

Package: ember
Error:

Error: Debug Failure. Expected false === true. Cached relationship does not match recalculated result
Occurred while linting /mnt/vss/_work/1/DefinitelyTyped/types/ember/test/private/observable-tests.ts:2
Rule: "@definitelytyped/expect"
    at recursiveTypeRelatedTo (/mnt/vss/_work/1/s/built/local/typescript.js:70311:15)
    at isRelatedTo (/mnt/vss/_work/1/s/built/local/typescript.js:69718:122)
    at typeRelatedToSomeType (/mnt/vss/_work/1/s/built/local/typescript.js:70010:11)
    at unionOrIntersectionRelatedTo (/mnt/vss/_work/1/s/built/local/typescript.js:69909:16)
    at structuredTypeRelatedToWorker (/mnt/vss/_work/1/s/built/local/typescript.js:70559:23)
    at structuredTypeRelatedTo (/mnt/vss/_work/1/s/built/local/typescript.js:70359:21)
    at recursiveTypeRelatedTo (/mnt/vss/_work/1/s/built/local/typescript.js:70305:19)
    at isRelatedTo (/mnt/vss/_work/1/s/built/local/typescript.js:69718:122)
    at eachTypeRelatedToType (/mnt/vss/_work/1/s/built/local/typescript.js:70094:25)
    at unionOrIntersectionRelatedTo (/mnt/vss/_work/1/s/built/local/typescript.js:69906:174)

Package: ember/v3
Error:

Error: Debug Failure. Expected false === true. Cached relationship does not match recalculated result
Occurred while linting /mnt/vss/_work/1/DefinitelyTyped/types/ember/v3/test/private/observable-tests.ts:2
Rule: "@definitelytyped/expect"
    at recursiveTypeRelatedTo (/mnt/vss/_work/1/s/built/local/typescript.js:70311:15)
    at isRelatedTo (/mnt/vss/_work/1/s/built/local/typescript.js:69718:122)
    at typeRelatedToSomeType (/mnt/vss/_work/1/s/built/local/typescript.js:70010:11)
    at unionOrIntersectionRelatedTo (/mnt/vss/_work/1/s/built/local/typescript.js:69909:16)
    at structuredTypeRelatedToWorker (/mnt/vss/_work/1/s/built/local/typescript.js:70559:23)
    at structuredTypeRelatedTo (/mnt/vss/_work/1/s/built/local/typescript.js:70359:21)
    at recursiveTypeRelatedTo (/mnt/vss/_work/1/s/built/local/typescript.js:70305:19)
    at isRelatedTo (/mnt/vss/_work/1/s/built/local/typescript.js:69718:122)
    at eachTypeRelatedToType (/mnt/vss/_work/1/s/built/local/typescript.js:70094:25)
    at unionOrIntersectionRelatedTo (/mnt/vss/_work/1/s/built/local/typescript.js:69906:174)

You can check the log here.

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typescript-bot commented Dec 5, 2025

@jakebailey Here are the results of running the user tests with tsc comparing main and refs/pull/55222/merge:

There were infrastructure failures potentially unrelated to your change:

  • 1 instance of "Git clone failed"

Otherwise...

Everything looks good!

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typescript-bot commented Dec 5, 2025

@jakebailey
The results of the perf run you requested are in!

Here they are:

tsc

Comparison Report - baseline..pr
Metric baseline pr Delta Best Worst p-value
Compiler-Unions - node (v18.15.0, x64)
Errors 1 1 ~ ~ ~ p=1.000 n=6
Symbols 62,370 62,370 ~ ~ ~ p=1.000 n=6
Types 50,387 50,387 ~ ~ ~ p=1.000 n=6
Memory used 193,363k (± 0.78%) 194,538k (± 1.01%) ~ 192,609k 196,456k p=0.575 n=6
Parse Time 1.30s (± 0.63%) 1.30s (± 0.80%) ~ 1.29s 1.32s p=0.865 n=6
Bind Time 0.75s 0.75s ~ ~ ~ p=1.000 n=6
Check Time 9.91s (± 0.39%) 9.88s (± 0.41%) ~ 9.83s 9.93s p=0.416 n=6
Emit Time 2.73s (± 0.89%) 2.74s (± 0.91%) ~ 2.71s 2.77s p=0.405 n=6
Total Time 14.69s (± 0.21%) 14.69s (± 0.37%) ~ 14.61s 14.75s p=0.936 n=6
angular-1 - node (v18.15.0, x64)
Errors 2 2 ~ ~ ~ p=1.000 n=6
Symbols 956,048 956,195 +147 (+ 0.02%) ~ ~ p=0.001 n=6
Types 415,904 415,952 +48 (+ 0.01%) ~ ~ p=0.001 n=6
Memory used 1,255,040k (± 0.00%) 1,255,171k (± 0.00%) +131k (+ 0.01%) 1,255,095k 1,255,262k p=0.008 n=6
Parse Time 6.50s (± 0.29%) 6.53s (± 0.75%) ~ 6.48s 6.61s p=0.124 n=6
Bind Time 1.96s (± 0.62%) 1.97s (± 0.28%) ~ 1.96s 1.97s p=0.863 n=6
Check Time 32.29s (± 0.36%) 32.36s (± 0.35%) ~ 32.27s 32.57s p=0.109 n=6
Emit Time 14.79s (± 1.04%) 14.85s (± 0.74%) ~ 14.64s 14.96s p=0.423 n=6
Total Time 55.54s (± 0.25%) 55.71s (± 0.36%) ~ 55.43s 55.94s p=0.198 n=6
mui-docs - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 2,722,128 2,724,104 +1,976 (+ 0.07%) ~ ~ p=0.001 n=6
Types 937,531 938,722 +1,191 (+ 0.13%) ~ ~ p=0.001 n=6
Memory used 3,050,982k (± 0.00%) 3,052,548k (± 0.00%) +1,566k (+ 0.05%) 3,052,471k 3,052,668k p=0.005 n=6
Parse Time 8.57s (± 0.23%) 8.55s (± 0.06%) ~ 8.55s 8.56s p=0.276 n=6
Bind Time 2.32s (± 0.45%) 2.32s (± 0.71%) ~ 2.30s 2.35s p=0.315 n=6
Check Time 93.10s (± 0.27%) 93.04s (± 0.48%) ~ 92.35s 93.60s p=0.936 n=6
Emit Time 0.32s (± 1.74%) 0.31s (± 1.31%) ~ 0.31s 0.32s p=0.282 n=6
Total Time 104.30s (± 0.23%) 104.23s (± 0.44%) ~ 103.51s 104.78s p=0.936 n=6
self-build-src - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 1,251,654 1,251,678 +24 (+ 0.00%) ~ ~ p=0.001 n=6
Types 259,840 259,875 +35 (+ 0.01%) ~ ~ p=0.001 n=6
Memory used 2,514,190k (±11.82%) 2,514,865k (±11.80%) ~ 2,392,442k 3,121,396k p=0.298 n=6
Parse Time 5.20s (± 1.33%) 5.19s (± 0.99%) ~ 5.12s 5.27s p=0.873 n=6
Bind Time 1.82s (± 0.96%) 1.81s (± 1.42%) ~ 1.77s 1.85s p=0.870 n=6
Check Time 35.59s (± 0.86%) 35.61s (± 0.43%) ~ 35.40s 35.81s p=0.471 n=6
Emit Time 3.01s (± 0.78%) 3.00s (± 1.65%) ~ 2.91s 3.04s p=0.747 n=6
Total Time 45.64s (± 0.77%) 45.62s (± 0.39%) ~ 45.45s 45.86s p=0.575 n=6
self-build-src-public-api - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 1,251,654 1,251,678 +24 (+ 0.00%) ~ ~ p=0.001 n=6
Types 259,840 259,875 +35 (+ 0.01%) ~ ~ p=0.001 n=6
Memory used 3,188,621k (± 0.02%) 3,188,574k (± 0.03%) ~ 3,187,283k 3,189,855k p=1.000 n=6
Parse Time 6.80s (± 0.51%) 6.80s (± 1.17%) ~ 6.73s 6.92s p=0.378 n=6
Bind Time 2.26s (± 0.71%) 2.24s (± 0.88%) ~ 2.22s 2.27s p=0.297 n=6
Check Time 43.21s (± 0.24%) 43.21s (± 0.15%) ~ 43.14s 43.33s p=0.689 n=6
Emit Time 3.51s (± 2.76%) 3.54s (± 1.00%) ~ 3.50s 3.59s p=0.873 n=6
Total Time 55.79s (± 0.24%) 55.79s (± 0.16%) ~ 55.70s 55.93s p=1.000 n=6
self-compiler - node (v18.15.0, x64)
Errors 0 0 ~ ~ ~ p=1.000 n=6
Symbols 264,287 264,305 +18 (+ 0.01%) ~ ~ p=0.001 n=6
Types 104,051 104,080 +29 (+ 0.03%) ~ ~ p=0.001 n=6
Memory used 443,277k (± 0.01%) 443,347k (± 0.01%) +70k (+ 0.02%) 443,280k 443,418k p=0.031 n=6
Parse Time 3.52s (± 0.74%) 3.51s (± 0.55%) ~ 3.48s 3.53s p=0.872 n=6
Bind Time 1.36s (± 0.76%) 1.37s (± 0.61%) ~ 1.35s 1.37s p=0.672 n=6
Check Time 19.16s (± 0.45%) 19.19s (± 0.19%) ~ 19.13s 19.23s p=0.688 n=6
Emit Time 1.54s (± 0.95%) 1.54s (± 1.19%) ~ 1.52s 1.57s p=0.681 n=6
Total Time 25.59s (± 0.39%) 25.61s (± 0.16%) ~ 25.57s 25.68s p=0.872 n=6
ts-pre-modules - node (v18.15.0, x64)
Errors 72 72 ~ ~ ~ p=1.000 n=6
Symbols 225,493 225,493 ~ ~ ~ p=1.000 n=6
Types 94,373 94,373 ~ ~ ~ p=1.000 n=6
Memory used 370,146k (± 0.01%) 370,239k (± 0.05%) ~ 370,128k 370,590k p=0.261 n=6
Parse Time 2.82s (± 1.07%) 2.83s (± 1.02%) ~ 2.79s 2.87s p=0.419 n=6
Bind Time 1.64s (± 1.51%) 1.65s (± 1.73%) ~ 1.62s 1.70s p=0.744 n=6
Check Time 16.62s (± 0.33%) 16.65s (± 0.26%) ~ 16.59s 16.72s p=0.418 n=6
Emit Time 0.00s 0.00s ~ ~ ~ p=1.000 n=6
Total Time 21.08s (± 0.29%) 21.14s (± 0.33%) ~ 21.05s 21.23s p=0.261 n=6
vscode - node (v18.15.0, x64)
Errors 11 11 ~ ~ ~ p=1.000 n=6
Symbols 4,080,068 4,100,760 +20,692 (+ 0.51%) ~ ~ p=0.001 n=6
Types 1,285,599 1,288,377 +2,778 (+ 0.22%) ~ ~ p=0.001 n=6
Memory used 3,865,623k (± 0.00%) 3,874,298k (± 0.00%) +8,676k (+ 0.22%) 3,874,076k 3,874,445k p=0.005 n=6
Parse Time 15.73s (± 0.34%) 15.70s (± 0.53%) ~ 15.56s 15.79s p=0.575 n=6
Bind Time 5.28s (± 0.54%) 5.29s (± 0.65%) ~ 5.25s 5.34s p=0.571 n=6
Check Time 113.82s (± 2.04%) 113.55s (± 2.45%) ~ 111.00s 117.08s p=0.689 n=6
Emit Time 41.07s (± 7.26%) 40.59s (± 6.35%) ~ 38.94s 45.35s p=0.936 n=6
Total Time 175.90s (± 1.84%) 175.12s (± 2.66%) ~ 171.11s 183.40s p=0.575 n=6
webpack - node (v18.15.0, x64)
Errors 40 0 ~ ~ ~ p=1.000 n=6+0
Symbols 380,702 0 ~ ~ ~ p=1.000 n=6+0
Types 166,804 0 ~ ~ ~ p=1.000 n=6+0
Memory used 540,951k (± 0.02%) 0k ~ ~ ~ p=1.000 n=6+0
Parse Time 4.74s (± 0.35%) 0s ~ ~ ~ p=1.000 n=6+0
Bind Time 2.03s (± 1.24%) 0s ~ ~ ~ p=1.000 n=6+0
Check Time 23.09s (± 0.53%) 0s ~ ~ ~ p=1.000 n=6+0
Emit Time 0.00s 0s ~ ~ ~ p=1.000 n=6+0
Total Time 29.85s (± 0.45%) 0s ~ ~ ~ p=1.000 n=6+0
xstate-main - node (v18.15.0, x64)
Errors 30 30 ~ ~ ~ p=1.000 n=6
Symbols 692,951 693,393 +442 (+ 0.06%) ~ ~ p=0.001 n=6
Types 210,425 210,996 +571 (+ 0.27%) ~ ~ p=0.001 n=6
Memory used 588,936k (± 0.03%) 589,496k (± 0.03%) +560k (+ 0.10%) 589,271k 589,689k p=0.005 n=6
Parse Time 4.16s (± 0.41%) 4.17s (± 0.66%) ~ 4.14s 4.21s p=0.747 n=6
Bind Time 1.42s (± 1.51%) 1.41s (± 0.83%) ~ 1.40s 1.43s p=0.328 n=6
Check Time 21.09s (± 1.79%) 20.98s (± 2.02%) ~ 20.59s 21.54s p=0.936 n=6
Emit Time 0.00s (±244.70%) 0.00s (±244.70%) ~ 0.00s 0.01s p=1.000 n=6
Total Time 26.67s (± 1.44%) 26.57s (± 1.62%) ~ 26.18s 27.19s p=0.572 n=6
System info unknown
Hosts
  • node (v18.15.0, x64)
Scenarios
  • Compiler-Unions - node (v18.15.0, x64)
  • angular-1 - node (v18.15.0, x64)
  • mui-docs - node (v18.15.0, x64)
  • self-build-src - node (v18.15.0, x64)
  • self-build-src-public-api - node (v18.15.0, x64)
  • self-compiler - node (v18.15.0, x64)
  • ts-pre-modules - node (v18.15.0, x64)
  • vscode - node (v18.15.0, x64)
  • webpack - node (v18.15.0, x64)
  • xstate-main - node (v18.15.0, x64)
Benchmark Name Iterations
Current pr 6
Baseline baseline 6

Developer Information:

Download Benchmarks

@jakebailey
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jakebailey commented Dec 5, 2025

@typescript-bot pack this

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typescript-bot commented Dec 5, 2025 •
edited
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Starting jobs; this comment will be updated as builds start and complete.

Command Status Results
pack this ✅ Started ✅ Results

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typescript-bot commented Dec 5, 2025

Hey @jakebailey, I've packed this into an installable tgz. You can install it for testing by referencing it in your package.json like so:

{
    "devDependencies": {
        "typescript": "https://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_apis/build/builds/166713/artifacts?artifactName=tgz&fileId=88B8D7DC4F8B30D70847FF5C5138FD4CC81F42D5276520090996FB91B371E03E02&fileName=/typescript-6.0.0-insiders.20251205.tgz"
    }
}

and then running npm install.

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typescript-bot commented Dec 5, 2025

@jakebailey Here are the results of running the top 400 repos with tsc comparing main and refs/pull/55222/merge:

Everything looks good!

@Andarist
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Andarist commented Dec 5, 2025

Repro for the ember break above:

type ObserverMethod<Target, Sender> = keyof Target | ((sender: Sender) => void);

type ExtractPropertyNamesOfType<T, S> = {
  [K in keyof T]: T[K] extends S ? K : never;
}[keyof T];

interface Observable {
  notifyPropertyChange(): this;
  removeObserver<Target>(method: ObserverMethod<Target, this>): this;
  decrementProperty(keyName: keyof this): number;
}

declare class DemoObservable implements Observable {
  baz: number;

  notifyPropertyChange(): this;
  removeObserver<Target>(method: ObserverMethod<Target, this>): any;
  decrementProperty(
    keyName: ExtractPropertyNamesOfType<this, number | undefined>,
  ): number;
}

const o = new DemoObservable();

declare function assertType<T>(value: T): T;
assertType<Observable>(o.notifyPropertyChange("jeanShorts"));

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Author: Team Experiment A fork with an experimental idea which might not make it into master For Backlog Bug PRs that fix a backlog bug For Milestone Bug PRs that fix a bug with a specific milestone

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Error: Debug Failure. No error for last overload signature Conditional type triggers "No error for last overload signature" exception

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@jakebailey @typescript-bot @weswigham @Andarist @sandersn