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Use awaited type for await - #45701

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Use awaited type for await#45701
Ron Buckton (rbuckton) wants to merge 2 commits into
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useAwaitedTypeForAwait

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@rbuckton Ron Buckton (rbuckton) commented Sep 3, 2021

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This is a follow-up to #45350 that investigates having await result in an Awaited<T> of the expression.

@typescript-bot TypeScript Bot (typescript-bot) added Author: Team For Uncommitted Bug PR for untriaged, rejected, closed or missing bug labels Sep 3, 2021
@rbuckton

Ron Buckton (rbuckton) commented Sep 3, 2021

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TypeScript Bot (@typescript-bot) perf test
TypeScript Bot (@typescript-bot) run dt
TypeScript Bot (@typescript-bot) test this
TypeScript Bot (@typescript-bot) user test this inline

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TypeScript Bot (typescript-bot) commented Sep 3, 2021 •
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Heya Ron Buckton (@rbuckton), I've started to run the perf test suite on this PR at 5bdae61. You can monitor the build here.

Update: The results are in!

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TypeScript Bot (typescript-bot) commented Sep 3, 2021 •
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Heya Ron Buckton (@rbuckton), I've started to run the inline community code test suite on this PR at 5bdae61. You can monitor the build here.

Update: The results are in!

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TypeScript Bot (typescript-bot) commented Sep 3, 2021 •
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Heya Ron Buckton (@rbuckton), I've started to run the parallelized Definitely Typed test suite on this PR at 5bdae61. You can monitor the build here.

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TypeScript Bot (typescript-bot) commented Sep 3, 2021 •
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Heya Ron Buckton (@rbuckton), I've started to run the extended test suite on this PR at 5bdae61. You can monitor the build here.

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TypeScript Bot (typescript-bot) commented Sep 3, 2021

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Ron Buckton (@rbuckton)
Great news! no new errors were found between main..refs/pull/45701/merge

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Ron Buckton (@rbuckton)
The results of the perf run you requested are in!

Here they are:

Comparison Report - main..45701

Metric main 45701 Delta Best Worst
Angular - node (v10.16.3, x64)
Memory used 351,573k (± 0.01%) 351,626k (± 0.02%) +53k (+ 0.02%) 351,476k 351,726k
Parse Time 1.91s (± 0.36%) 1.90s (± 0.26%) -0.01s (- 0.47%) 1.88s 1.90s
Bind Time 0.86s (± 1.04%) 0.85s (± 0.52%) -0.00s (- 0.47%) 0.84s 0.86s
Check Time 5.38s (± 0.38%) 5.42s (± 0.38%) +0.04s (+ 0.69%) 5.37s 5.46s
Emit Time 5.83s (± 0.67%) 5.83s (± 0.76%) +0.00s (+ 0.03%) 5.77s 5.99s
Total Time 13.97s (± 0.31%) 14.00s (± 0.32%) +0.03s (+ 0.20%) 13.89s 14.13s
Compiler-Unions - node (v10.16.3, x64)
Memory used 203,477k (± 0.03%) 203,494k (± 0.04%) +17k (+ 0.01%) 203,332k 203,680k
Parse Time 0.78s (± 0.83%) 0.78s (± 0.76%) +0.00s (+ 0.26%) 0.77s 0.80s
Bind Time 0.52s (± 0.69%) 0.52s (± 1.30%) +0.00s (+ 0.00%) 0.51s 0.54s
Check Time 7.84s (± 0.59%) 7.82s (± 0.37%) -0.02s (- 0.28%) 7.78s 7.90s
Emit Time 2.43s (± 0.36%) 2.44s (± 1.05%) +0.01s (+ 0.58%) 2.39s 2.50s
Total Time 11.58s (± 0.41%) 11.57s (± 0.39%) -0.00s (- 0.04%) 11.49s 11.68s
Monaco - node (v10.16.3, x64)
Memory used 340,593k (± 0.02%) 340,583k (± 0.02%) -9k (- 0.00%) 340,419k 340,786k
Parse Time 1.45s (± 0.76%) 1.45s (± 0.76%) -0.00s (- 0.21%) 1.41s 1.47s
Bind Time 0.75s (± 0.97%) 0.75s (± 1.19%) -0.00s (- 0.27%) 0.73s 0.77s
Check Time 5.44s (± 0.72%) 5.37s (± 0.52%) -0.06s (- 1.18%) 5.31s 5.42s
Emit Time 3.16s (± 0.97%) 3.16s (± 0.62%) +0.00s (+ 0.09%) 3.12s 3.21s
Total Time 10.79s (± 0.55%) 10.72s (± 0.27%) -0.07s (- 0.61%) 10.67s 10.81s
TFS - node (v10.16.3, x64)
Memory used 304,003k (± 0.02%) 304,034k (± 0.02%) +31k (+ 0.01%) 303,918k 304,191k
Parse Time 1.19s (± 0.47%) 1.18s (± 0.38%) -0.01s (- 0.84%) 1.17s 1.19s
Bind Time 0.72s (± 0.95%) 0.71s (± 0.91%) -0.00s (- 0.56%) 0.69s 0.72s
Check Time 4.94s (± 0.59%) 4.91s (± 0.51%) -0.03s (- 0.61%) 4.86s 4.97s
Emit Time 3.36s (± 1.93%) 3.30s (± 1.03%) -0.05s (- 1.64%) 3.20s 3.38s
Total Time 10.21s (± 0.86%) 10.11s (± 0.47%) -0.10s (- 0.97%) 9.98s 10.20s
material-ui - node (v10.16.3, x64)
Memory used 469,878k (± 0.01%) 469,897k (± 0.01%) +18k (+ 0.00%) 469,701k 470,041k
Parse Time 1.73s (± 0.59%) 1.73s (± 0.37%) -0.00s (- 0.06%) 1.72s 1.75s
Bind Time 0.67s (± 0.83%) 0.67s (± 1.03%) -0.00s (- 0.45%) 0.65s 0.68s
Check Time 14.17s (± 0.36%) 14.17s (± 0.35%) -0.00s (- 0.01%) 14.09s 14.31s
Emit Time 0.00s (± 0.00%) 0.00s (± 0.00%) 0.00s ( NaN%) 0.00s 0.00s
Total Time 16.57s (± 0.33%) 16.56s (± 0.33%) -0.01s (- 0.04%) 16.50s 16.73s
Angular - node (v12.1.0, x64)
Memory used 329,518k (± 0.03%) 329,644k (± 0.02%) +126k (+ 0.04%) 329,487k 329,834k
Parse Time 1.88s (± 0.61%) 1.88s (± 0.72%) +0.00s (+ 0.05%) 1.85s 1.92s
Bind Time 0.84s (± 0.59%) 0.84s (± 0.73%) +0.01s (+ 0.60%) 0.83s 0.85s
Check Time 5.23s (± 0.54%) 5.25s (± 0.30%) +0.02s (+ 0.36%) 5.21s 5.28s
Emit Time 6.07s (± 0.98%) 6.07s (± 0.53%) -0.00s (- 0.02%) 6.01s 6.14s
Total Time 14.02s (± 0.39%) 14.04s (± 0.29%) +0.02s (+ 0.16%) 13.98s 14.17s
Compiler-Unions - node (v12.1.0, x64)
Memory used 191,008k (± 0.09%) 190,848k (± 0.14%) -160k (- 0.08%) 190,112k 191,200k
Parse Time 0.78s (± 0.64%) 0.78s (± 0.90%) +0.01s (+ 0.77%) 0.77s 0.80s
Bind Time 0.53s (± 0.76%) 0.52s (± 0.91%) -0.01s (- 1.13%) 0.51s 0.53s
Check Time 7.36s (± 0.53%) 7.35s (± 0.48%) -0.01s (- 0.10%) 7.29s 7.44s
Emit Time 2.45s (± 0.92%) 2.45s (± 1.01%) +0.00s (+ 0.12%) 2.40s 2.51s
Total Time 11.12s (± 0.49%) 11.11s (± 0.42%) -0.01s (- 0.09%) 11.02s 11.22s
Monaco - node (v12.1.0, x64)
Memory used 323,757k (± 0.02%) 323,840k (± 0.03%) +83k (+ 0.03%) 323,587k 323,996k
Parse Time 1.43s (± 0.56%) 1.42s (± 0.51%) -0.01s (- 0.70%) 1.41s 1.44s
Bind Time 0.72s (± 0.68%) 0.73s (± 0.68%) +0.00s (+ 0.28%) 0.72s 0.74s
Check Time 5.29s (± 0.54%) 5.25s (± 0.43%) -0.03s (- 0.64%) 5.21s 5.31s
Emit Time 3.20s (± 0.56%) 3.19s (± 0.77%) -0.01s (- 0.34%) 3.14s 3.24s
Total Time 10.65s (± 0.45%) 10.59s (± 0.26%) -0.05s (- 0.51%) 10.55s 10.68s
TFS - node (v12.1.0, x64)
Memory used 288,767k (± 0.01%) 288,732k (± 0.02%) -35k (- 0.01%) 288,588k 288,824k
Parse Time 1.21s (± 0.68%) 1.21s (± 0.74%) -0.00s (- 0.17%) 1.18s 1.22s
Bind Time 0.70s (± 0.80%) 0.70s (± 1.00%) +0.00s (+ 0.43%) 0.69s 0.72s
Check Time 4.85s (± 0.42%) 4.83s (± 0.36%) -0.02s (- 0.33%) 4.78s 4.87s
Emit Time 3.36s (± 0.70%) 3.40s (± 0.78%) +0.04s (+ 1.07%) 3.34s 3.47s
Total Time 10.11s (± 0.41%) 10.14s (± 0.33%) +0.03s (+ 0.27%) 10.08s 10.24s
material-ui - node (v12.1.0, x64)
Memory used 448,684k (± 0.02%) 448,475k (± 0.08%) -208k (- 0.05%) 447,499k 448,771k
Parse Time 1.72s (± 0.51%) 1.72s (± 0.45%) +0.00s (+ 0.06%) 1.70s 1.73s
Bind Time 0.65s (± 1.08%) 0.65s (± 0.46%) -0.00s (- 0.15%) 0.64s 0.65s
Check Time 12.83s (± 0.45%) 12.79s (± 0.90%) -0.04s (- 0.30%) 12.61s 13.10s
Emit Time 0.00s (± 0.00%) 0.00s (± 0.00%) 0.00s ( NaN%) 0.00s 0.00s
Total Time 15.20s (± 0.39%) 15.16s (± 0.79%) -0.04s (- 0.27%) 14.95s 15.48s
Angular - node (v14.15.1, x64)
Memory used 328,115k (± 0.01%) 328,064k (± 0.05%) -51k (- 0.02%) 327,450k 328,159k
Parse Time 1.91s (± 0.49%) 1.89s (± 0.56%) -0.02s (- 0.99%) 1.88s 1.92s
Bind Time 0.88s (± 0.70%) 0.87s (± 0.54%) -0.01s (- 0.91%) 0.87s 0.89s
Check Time 5.28s (± 0.35%) 5.28s (± 0.47%) -0.00s (- 0.08%) 5.23s 5.34s
Emit Time 6.19s (± 0.96%) 6.17s (± 0.59%) -0.02s (- 0.40%) 6.07s 6.23s
Total Time 14.27s (± 0.49%) 14.21s (± 0.34%) -0.06s (- 0.39%) 14.05s 14.29s
Compiler-Unions - node (v14.15.1, x64)
Memory used 191,412k (± 0.68%) 191,529k (± 0.61%) +116k (+ 0.06%) 189,600k 192,855k
Parse Time 0.81s (± 0.69%) 0.80s (± 0.85%) -0.00s (- 0.50%) 0.79s 0.82s
Bind Time 0.56s (± 0.89%) 0.56s (± 0.65%) +0.00s (+ 0.00%) 0.55s 0.56s
Check Time 7.54s (± 0.56%) 7.49s (± 0.30%) -0.05s (- 0.64%) 7.43s 7.54s
Emit Time 2.48s (± 0.84%) 2.45s (± 0.84%) -0.03s (- 1.21%) 2.40s 2.50s
Total Time 11.38s (± 0.54%) 11.30s (± 0.31%) -0.08s (- 0.69%) 11.22s 11.39s
Monaco - node (v14.15.1, x64)
Memory used 322,545k (± 0.01%) 322,541k (± 0.00%) -4k (- 0.00%) 322,521k 322,553k
Parse Time 1.48s (± 0.74%) 1.48s (± 0.47%) -0.00s (- 0.07%) 1.47s 1.50s
Bind Time 0.76s (± 0.48%) 0.75s (± 0.77%) -0.01s (- 0.79%) 0.74s 0.76s
Check Time 5.22s (± 0.43%) 5.21s (± 0.55%) -0.01s (- 0.11%) 5.15s 5.29s
Emit Time 3.22s (± 0.76%) 3.21s (± 0.86%) -0.01s (- 0.22%) 3.16s 3.29s
Total Time 10.67s (± 0.36%) 10.65s (± 0.45%) -0.02s (- 0.22%) 10.54s 10.74s
TFS - node (v14.15.1, x64)
Memory used 287,682k (± 0.01%) 287,698k (± 0.00%) +17k (+ 0.01%) 287,670k 287,724k
Parse Time 1.25s (± 1.31%) 1.24s (± 1.75%) -0.00s (- 0.24%) 1.19s 1.28s
Bind Time 0.74s (± 3.03%) 0.74s (± 4.16%) +0.00s (+ 0.54%) 0.71s 0.82s
Check Time 4.86s (± 0.45%) 4.84s (± 0.54%) -0.02s (- 0.35%) 4.80s 4.92s
Emit Time 3.46s (± 0.95%) 3.44s (± 0.67%) -0.02s (- 0.64%) 3.38s 3.48s
Total Time 10.30s (± 0.40%) 10.26s (± 0.29%) -0.04s (- 0.37%) 10.18s 10.32s
material-ui - node (v14.15.1, x64)
Memory used 447,001k (± 0.00%) 447,049k (± 0.01%) +48k (+ 0.01%) 447,011k 447,105k
Parse Time 1.76s (± 0.40%) 1.76s (± 0.53%) +0.00s (+ 0.06%) 1.74s 1.78s
Bind Time 0.70s (± 0.68%) 0.69s (± 0.58%) -0.01s (- 0.86%) 0.68s 0.70s
Check Time 12.95s (± 0.58%) 12.92s (± 0.60%) -0.04s (- 0.30%) 12.75s 13.07s
Emit Time 0.00s (± 0.00%) 0.00s (± 0.00%) 0.00s ( NaN%) 0.00s 0.00s
Total Time 15.41s (± 0.48%) 15.37s (± 0.53%) -0.05s (- 0.29%) 15.19s 15.51s
System
Machine Namets-ci-ubuntu
Platformlinux 4.4.0-210-generic
Architecturex64
Available Memory16 GB
Available Memory9 GB
CPUs4 × Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz
Hosts
  • node (v10.16.3, x64)
  • node (v12.1.0, x64)
  • node (v14.15.1, x64)
Scenarios
  • Angular - node (v10.16.3, x64)
  • Angular - node (v12.1.0, x64)
  • Angular - node (v14.15.1, x64)
  • Compiler-Unions - node (v10.16.3, x64)
  • Compiler-Unions - node (v12.1.0, x64)
  • Compiler-Unions - node (v14.15.1, x64)
  • Monaco - node (v10.16.3, x64)
  • Monaco - node (v12.1.0, x64)
  • Monaco - node (v14.15.1, x64)
  • TFS - node (v10.16.3, x64)
  • TFS - node (v12.1.0, x64)
  • TFS - node (v14.15.1, x64)
  • material-ui - node (v10.16.3, x64)
  • material-ui - node (v12.1.0, x64)
  • material-ui - node (v14.15.1, x64)
Benchmark Name Iterations
Current 45701 10
Baseline main 10

Developer Information:

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@rbuckton

Ron Buckton (rbuckton) commented Sep 3, 2021

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Well, it looks like this had no noticeable impact on RWC and user tests, so maybe this isn't as breaking as I first assumed. I may merge this into the main PR.

@rbuckton Ron Buckton (rbuckton) mentioned this pull request Sep 3, 2021
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@rbuckton

Ron Buckton (rbuckton) commented Sep 6, 2021

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Merged into #45350

@microsoft Microsoft (microsoft) locked as resolved and limited conversation to collaborators Oct 21, 2025
@jakebailey
Jake Bailey (jakebailey) deleted the useAwaitedTypeForAwait branch August 28, 2026 19:35
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