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Switch to var in binder for top level variables#52903

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jakebailey merged 2 commits intomicrosoft:mainfrom
jakebailey:let-const-binder
Feb 22, 2023
Merged

Switch to var in binder for top level variables#52903
jakebailey merged 2 commits intomicrosoft:mainfrom
jakebailey:let-const-binder

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@jakebailey jakebailey commented Feb 21, 2023

Followup to #52832 and others.

@typescript-bot typescript-bot added Author: Team For Uncommitted Bug PR for untriaged, rejected, closed or missing bug labels Feb 21, 2023
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jakebailey commented Feb 21, 2023

@typescript-bot perf test this

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typescript-bot commented Feb 21, 2023 •
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Heya @jakebailey, I've started to run the perf test suite on this PR at e7c5b69. You can monitor the build here.

Update: The results are in!

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typescript-bot commented Feb 22, 2023

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

Here they are:

Compiler

Comparison Report - main..52903
Metric main 52903 Delta Best Worst p-value
Angular - node (v18.10.0, x64)
Memory used 359,704k (± 0.01%) 359,624k (± 0.02%) -80k (- 0.02%) 359,549k 359,692k p=0.013 n=6
Parse Time 3.48s (± 0.42%) 3.50s (± 0.78%) ~ 3.47s 3.54s p=0.373 n=6
Bind Time 1.18s (± 0.44%) 1.12s (± 0.46%) 🟩-0.05s (- 4.53%) 1.12s 1.13s p=0.004 n=6
Check Time 8.74s (± 0.34%) 8.83s (± 0.39%) +0.09s (+ 0.99%) 8.79s 8.89s p=0.005 n=6
Emit Time 7.57s (± 0.35%) 7.67s (± 0.86%) +0.09s (+ 1.19%) 7.56s 7.74s p=0.036 n=6
Total Time 20.98s (± 0.13%) 21.11s (± 0.39%) +0.14s (+ 0.65%) 20.99s 21.22s p=0.008 n=6
Compiler-Unions - node (v18.10.0, x64)
Memory used 190,904k (± 1.24%) 191,728k (± 1.49%) ~ 189,821k 195,435k p=0.471 n=6
Parse Time 1.48s (± 1.16%) 1.48s (± 0.95%) ~ 1.46s 1.50s p=1.000 n=6
Bind Time 0.79s (± 0.52%) 0.77s (± 0.82%) -0.02s (- 2.74%) 0.76s 0.78s p=0.003 n=6
Check Time 9.44s (± 0.61%) 9.48s (± 0.75%) ~ 9.40s 9.56s p=0.521 n=6
Emit Time 2.79s (± 0.67%) 2.81s (± 1.23%) ~ 2.76s 2.85s p=0.625 n=6
Total Time 14.51s (± 0.42%) 14.54s (± 0.48%) ~ 14.45s 14.65s p=0.575 n=6
Monaco - node (v18.10.0, x64)
Memory used 344,083k (± 0.01%) 344,024k (± 0.01%) ~ 343,956k 344,061k p=0.128 n=6
Parse Time 2.61s (± 1.07%) 2.63s (± 0.98%) ~ 2.60s 2.67s p=0.156 n=6
Bind Time 1.04s (± 1.32%) 1.01s (± 0.80%) -0.02s (- 2.25%) 1.00s 1.02s p=0.015 n=6
Check Time 7.13s (± 0.66%) 7.13s (± 0.57%) ~ 7.05s 7.16s p=0.935 n=6
Emit Time 4.32s (± 0.87%) 4.33s (± 0.40%) ~ 4.30s 4.35s p=0.747 n=6
Total Time 15.09s (± 0.34%) 15.10s (± 0.22%) ~ 15.07s 15.16s p=0.573 n=6
TFS - node (v18.10.0, x64)
Memory used 300,071k (± 0.01%) 300,003k (± 0.01%) -67k (- 0.02%) 299,977k 300,033k p=0.005 n=6
Parse Time 2.06s (± 0.73%) 2.04s (± 1.06%) -0.03s (- 1.29%) 2.01s 2.06s p=0.040 n=6
Bind Time 1.17s (± 0.35%) 1.14s (± 0.36%) -0.03s (- 2.57%) 1.13s 1.14s p=0.003 n=6
Check Time 6.58s (± 0.65%) 6.56s (± 0.66%) ~ 6.52s 6.63s p=0.630 n=6
Emit Time 3.92s (± 0.73%) 3.92s (± 0.64%) ~ 3.89s 3.95s p=1.000 n=6
Total Time 13.73s (± 0.51%) 13.66s (± 0.45%) ~ 13.61s 13.77s p=0.126 n=6
material-ui - node (v18.10.0, x64)
Memory used 476,416k (± 0.00%) 476,312k (± 0.01%) -104k (- 0.02%) 476,282k 476,350k p=0.005 n=6
Parse Time 3.15s (± 0.99%) 3.18s (± 0.52%) ~ 3.15s 3.19s p=0.251 n=6
Bind Time 0.97s (± 0.42%) 0.91s (± 0.69%) 🟩-0.06s (- 6.02%) 0.90s 0.92s p=0.003 n=6
Check Time 17.25s (± 1.01%) 17.23s (± 0.32%) ~ 17.16s 17.32s p=0.688 n=6
Emit Time 0.00s (± 0.00%) 0.00s (± 0.00%) ~ 0.00s 0.00s p=1.000 n=6
Total Time 21.37s (± 0.84%) 21.31s (± 0.27%) ~ 21.25s 21.41s p=0.748 n=6
xstate - node (v18.10.0, x64)
Memory used 548,605k (± 0.02%) 548,426k (± 0.04%) ~ 548,250k 548,777k p=0.066 n=6
Parse Time 4.08s (± 0.63%) 4.06s (± 0.62%) ~ 4.02s 4.09s p=0.259 n=6
Bind Time 1.74s (± 0.79%) 1.67s (± 0.82%) 🟩-0.06s (- 3.55%) 1.65s 1.69s p=0.005 n=6
Check Time 2.82s (± 0.43%) 2.83s (± 0.93%) ~ 2.80s 2.87s p=0.870 n=6
Emit Time 0.08s (± 0.00%) 0.08s (± 0.00%) ~ 0.08s 0.08s p=1.000 n=6
Total Time 8.72s (± 0.35%) 8.64s (± 0.42%) -0.08s (- 0.88%) 8.58s 8.69s p=0.006 n=6
Angular - node (v16.17.1, x64)
Memory used 359,025k (± 0.01%) 358,968k (± 0.01%) -57k (- 0.02%) 358,944k 359,016k p=0.013 n=6
Parse Time 3.72s (± 0.40%) 3.72s (± 0.26%) ~ 3.71s 3.73s p=0.673 n=6
Bind Time 1.23s (± 0.80%) 1.18s (± 0.35%) 🟩-0.05s (- 3.80%) 1.18s 1.19s p=0.003 n=6
Check Time 9.52s (± 0.38%) 9.57s (± 0.20%) +0.05s (+ 0.51%) 9.53s 9.58s p=0.018 n=6
Emit Time 8.04s (± 0.36%) 8.06s (± 0.31%) ~ 8.03s 8.09s p=0.414 n=6
Total Time 22.50s (± 0.26%) 22.52s (± 0.15%) ~ 22.47s 22.56s p=0.808 n=6
Compiler-Unions - node (v16.17.1, x64)
Memory used 191,514k (± 0.03%) 191,541k (± 0.04%) ~ 191,480k 191,665k p=0.689 n=6
Parse Time 1.56s (± 0.81%) 1.57s (± 0.33%) ~ 1.56s 1.57s p=0.191 n=6
Bind Time 0.84s (± 0.48%) 0.82s (± 0.92%) -0.02s (- 2.77%) 0.81s 0.83s p=0.003 n=6
Check Time 10.08s (± 0.70%) 10.18s (± 0.30%) +0.10s (+ 0.99%) 10.15s 10.22s p=0.037 n=6
Emit Time 3.05s (± 0.81%) 3.06s (± 1.09%) ~ 3.01s 3.11s p=0.572 n=6
Total Time 15.53s (± 0.54%) 15.63s (± 0.28%) +0.09s (+ 0.59%) 15.59s 15.71s p=0.045 n=6
Monaco - node (v16.17.1, x64)
Memory used 343,338k (± 0.01%) 343,267k (± 0.01%) -71k (- 0.02%) 343,245k 343,309k p=0.005 n=6
Parse Time 2.79s (± 0.66%) 2.80s (± 0.60%) ~ 2.78s 2.82s p=0.216 n=6
Bind Time 1.11s (± 1.05%) 1.08s (± 0.38%) -0.03s (- 2.70%) 1.08s 1.09s p=0.004 n=6
Check Time 7.79s (± 0.55%) 7.80s (± 0.71%) ~ 7.72s 7.85s p=0.809 n=6
Emit Time 4.50s (± 0.70%) 4.52s (± 0.95%) ~ 4.47s 4.59s p=0.521 n=6
Total Time 16.19s (± 0.34%) 16.21s (± 0.63%) ~ 16.06s 16.34s p=0.687 n=6
TFS - node (v16.17.1, x64)
Memory used 299,415k (± 0.01%) 299,363k (± 0.01%) -52k (- 0.02%) 299,334k 299,382k p=0.005 n=6
Parse Time 2.19s (± 0.56%) 2.19s (± 0.76%) ~ 2.17s 2.22s p=0.863 n=6
Bind Time 1.26s (± 0.41%) 1.24s (± 0.98%) -0.01s (- 0.93%) 1.22s 1.25s p=0.022 n=6
Check Time 7.22s (± 0.19%) 7.23s (± 0.55%) ~ 7.17s 7.28s p=0.567 n=6
Emit Time 4.25s (± 0.88%) 4.22s (± 0.36%) ~ 4.21s 4.25s p=0.293 n=6
Total Time 14.91s (± 0.35%) 14.89s (± 0.44%) ~ 14.79s 14.99s p=0.630 n=6
material-ui - node (v16.17.1, x64)
Memory used 475,737k (± 0.01%) 475,605k (± 0.00%) -132k (- 0.03%) 475,580k 475,637k p=0.005 n=6
Parse Time 3.32s (± 0.44%) 3.34s (± 0.46%) ~ 3.32s 3.36s p=0.102 n=6
Bind Time 1.02s (± 0.40%) 0.97s (± 0.53%) 🟩-0.05s (- 5.38%) 0.96s 0.97s p=0.003 n=6
Check Time 18.21s (± 0.31%) 18.26s (± 0.84%) ~ 18.10s 18.48s p=1.000 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 (± 0.24%) 22.57s (± 0.74%) ~ 22.40s 22.81s p=0.520 n=6
xstate - node (v16.17.1, x64)
Memory used 546,144k (± 0.02%) 546,041k (± 0.02%) ~ 545,913k 546,191k p=0.128 n=6
Parse Time 4.25s (± 0.32%) 4.25s (± 0.23%) ~ 4.24s 4.27s p=1.000 n=6
Bind Time 1.81s (± 0.54%) 1.75s (± 0.51%) 🟩-0.06s (- 3.40%) 1.74s 1.76s p=0.004 n=6
Check Time 3.08s (± 0.81%) 3.05s (± 0.64%) -0.03s (- 0.98%) 3.03s 3.08s p=0.042 n=6
Emit Time 0.09s (± 0.00%) 0.09s (± 4.45%) ~ 0.09s 0.10s p=0.405 n=6
Total Time 9.23s (± 0.16%) 9.14s (± 0.20%) -0.09s (- 0.99%) 9.12s 9.17s p=0.005 n=6
Angular - node (v14.15.1, x64)
Memory used 352,568k (± 0.00%) 352,558k (± 0.00%) ~ 352,535k 352,579k p=0.173 n=6
Parse Time 3.71s (± 0.46%) 3.72s (± 0.53%) ~ 3.70s 3.74s p=1.000 n=6
Bind Time 1.29s (± 0.82%) 1.25s (± 0.41%) -0.04s (- 2.98%) 1.24s 1.25s p=0.004 n=6
Check Time 9.87s (± 0.30%) 9.89s (± 0.41%) ~ 9.83s 9.94s p=0.467 n=6
Emit Time 8.34s (± 0.74%) 8.40s (± 1.22%) ~ 8.31s 8.56s p=0.370 n=6
Total Time 23.21s (± 0.24%) 23.25s (± 0.50%) ~ 23.15s 23.42s p=1.000 n=6
Compiler-Unions - node (v14.15.1, x64)
Memory used 186,656k (± 0.01%) 186,640k (± 0.01%) ~ 186,618k 186,679k p=0.336 n=6
Parse Time 1.57s (± 0.57%) 1.59s (± 0.87%) ~ 1.57s 1.61s p=0.054 n=6
Bind Time 0.85s (± 0.98%) 0.84s (± 1.22%) ~ 0.83s 0.86s p=0.065 n=6
Check Time 10.24s (± 0.70%) 10.29s (± 0.44%) ~ 10.23s 10.35s p=0.228 n=6
Emit Time 3.14s (± 0.91%) 3.20s (± 0.70%) +0.06s (+ 1.75%) 3.17s 3.22s p=0.012 n=6
Total Time 15.81s (± 0.51%) 15.92s (± 0.34%) +0.10s (+ 0.65%) 15.85s 15.99s p=0.037 n=6
Monaco - node (v14.15.1, x64)
Memory used 338,189k (± 0.01%) 338,144k (± 0.00%) -44k (- 0.01%) 338,136k 338,153k p=0.005 n=6
Parse Time 2.89s (± 0.60%) 2.90s (± 0.42%) ~ 2.89s 2.92s p=0.282 n=6
Bind Time 1.12s (± 0.73%) 1.09s (± 0.76%) -0.02s (- 1.94%) 1.09s 1.11s p=0.008 n=6
Check Time 8.10s (± 0.42%) 8.12s (± 0.41%) ~ 8.07s 8.15s p=0.170 n=6
Emit Time 4.75s (± 0.26%) 4.78s (± 0.71%) ~ 4.75s 4.84s p=0.182 n=6
Total Time 16.86s (± 0.14%) 16.89s (± 0.35%) ~ 16.82s 16.95s p=0.294 n=6
TFS - node (v14.15.1, x64)
Memory used 294,352k (± 0.01%) 294,311k (± 0.00%) -40k (- 0.01%) 294,296k 294,327k p=0.005 n=6
Parse Time 2.40s (± 0.90%) 2.38s (± 0.38%) ~ 2.37s 2.39s p=0.219 n=6
Bind Time 1.10s (± 1.21%) 1.07s (± 1.14%) -0.03s (- 2.42%) 1.06s 1.09s p=0.015 n=6
Check Time 7.55s (± 0.52%) 7.56s (± 0.32%) ~ 7.54s 7.60s p=0.685 n=6
Emit Time 4.61s (± 0.62%) 4.63s (± 1.25%) ~ 4.56s 4.71s p=0.573 n=6
Total Time 15.65s (± 0.37%) 15.64s (± 0.41%) ~ 15.58s 15.75s p=1.000 n=6
material-ui - node (v14.15.1, x64)
Memory used 471,231k (± 0.01%) 471,199k (± 0.01%) -32k (- 0.01%) 471,157k 471,234k p=0.030 n=6
Parse Time 3.49s (± 0.22%) 3.51s (± 0.54%) ~ 3.49s 3.53s p=0.111 n=6
Bind Time 1.04s (± 0.53%) 1.00s (± 0.83%) -0.03s (- 2.90%) 1.00s 1.02s p=0.004 n=6
Check Time 19.09s (± 0.19%) 19.25s (± 0.54%) +0.16s (+ 0.84%) 19.12s 19.39s p=0.010 n=6
Emit Time 0.00s (± 0.00%) 0.00s (± 0.00%) ~ 0.00s 0.00s p=1.000 n=6
Total Time 23.61s (± 0.15%) 23.76s (± 0.42%) +0.15s (+ 0.63%) 23.62s 23.88s p=0.015 n=6
xstate - node (v14.15.1, x64)
Memory used 534,499k (± 0.00%) 534,407k (± 0.00%) -92k (- 0.02%) 534,378k 534,444k p=0.005 n=6
Parse Time 4.58s (± 0.43%) 4.58s (± 0.49%) ~ 4.56s 4.62s p=0.459 n=6
Bind Time 1.72s (± 0.30%) 1.67s (± 0.54%) -0.05s (- 2.72%) 1.66s 1.68s p=0.004 n=6
Check Time 3.16s (± 0.48%) 3.16s (± 0.53%) ~ 3.13s 3.17s p=0.931 n=6
Emit Time 0.10s (± 0.00%) 0.11s (± 3.76%) +0.01s (+ 8.33%) 0.10s 0.11s p=0.007 n=6
Total Time 9.57s (± 0.09%) 9.53s (± 0.34%) -0.05s (- 0.49%) 9.49s 9.58s p=0.034 n=6
System
Machine Namets-ci-ubuntu
Platformlinux 5.4.0-135-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 (v14.15.1, x64)
Scenarios
  • Angular - node (v18.10.0, x64)
  • Angular - node (v16.17.1, x64)
  • Angular - node (v14.15.1, x64)
  • Compiler-Unions - node (v18.10.0, x64)
  • Compiler-Unions - node (v16.17.1, x64)
  • Compiler-Unions - node (v14.15.1, x64)
  • Monaco - node (v18.10.0, x64)
  • Monaco - node (v16.17.1, x64)
  • Monaco - node (v14.15.1, x64)
  • TFS - node (v18.10.0, x64)
  • TFS - node (v16.17.1, x64)
  • TFS - node (v14.15.1, x64)
  • material-ui - node (v18.10.0, x64)
  • material-ui - node (v16.17.1, x64)
  • material-ui - node (v14.15.1, x64)
  • xstate - node (v18.10.0, x64)
  • xstate - node (v16.17.1, x64)
  • xstate - node (v14.15.1, x64)
Benchmark Name Iterations
Current 52903 6
Baseline main 6

TSServer

Comparison Report - main..52903
Metric main 52903 Delta Best Worst p-value
Compiler-UnionsTSServer - node (v18.10.0, x64)
Req 1 - updateOpen 2,373ms (± 0.31%) 2,367ms (± 0.44%) ~ 2,354ms 2,377ms p=0.422 n=6
Req 2 - geterr 5,372ms (± 0.81%) 5,371ms (± 0.40%) ~ 5,340ms 5,397ms p=0.936 n=6
Req 3 - references 341ms (± 1.12%) 337ms (± 0.40%) -4ms (- 1.12%) 336ms 339ms p=0.037 n=6
Req 4 - navto 282ms (± 0.82%) 285ms (± 0.72%) ~ 281ms 287ms p=0.076 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 72ms (± 1.44%) 71ms (± 0.57%) ~ 71ms 72ms p=0.257 n=6
CompilerTSServer - node (v18.10.0, x64)
Req 1 - updateOpen 2,491ms (± 0.68%) 2,458ms (± 1.02%) -33ms (- 1.32%) 2,433ms 2,502ms p=0.030 n=6
Req 2 - geterr 4,044ms (± 0.81%) 4,045ms (± 0.61%) ~ 4,015ms 4,085ms p=0.936 n=6
Req 3 - references 353ms (± 0.50%) 352ms (± 0.53%) ~ 350ms 354ms p=0.370 n=6
Req 4 - navto 288ms (± 0.36%) 291ms (± 0.51%) +4ms (+ 1.28%) 290ms 294ms p=0.005 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 71ms (± 9.43%) 67ms (± 1.12%) ~ 66ms 68ms p=0.150 n=6
xstateTSServer - node (v18.10.0, x64)
Req 1 - updateOpen 3,189ms (± 0.90%) 3,165ms (± 0.83%) ~ 3,131ms 3,210ms p=0.065 n=6
Req 2 - geterr 1,645ms (± 0.93%) 1,635ms (± 0.98%) ~ 1,619ms 1,657ms p=0.336 n=6
Req 3 - references 104ms (± 1.78%) 104ms (± 1.56%) ~ 102ms 106ms p=1.000 n=6
Req 4 - navto 356ms (± 0.66%) 358ms (± 0.83%) ~ 354ms 361ms p=0.168 n=6
Req 5 - completionInfo count 3,136 (± 0.00%) 3,136 (± 0.00%) ~ 3,136 3,136 p=1.000 n=6
Req 5 - completionInfo 427ms (± 1.32%) 427ms (± 1.24%) ~ 420ms 432ms p=0.872 n=6
Compiler-UnionsTSServer - node (v16.17.1, x64)
Req 1 - updateOpen 2,525ms (± 0.80%) 2,535ms (± 0.77%) ~ 2,506ms 2,563ms p=0.297 n=6
Req 2 - geterr 5,755ms (± 0.40%) 5,757ms (± 0.44%) ~ 5,727ms 5,791ms p=0.936 n=6
Req 3 - references 351ms (± 0.58%) 351ms (± 1.14%) ~ 346ms 357ms p=1.000 n=6
Req 4 - navto 280ms (± 0.35%) 278ms (± 0.95%) ~ 274ms 282ms p=0.155 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 84ms (± 1.06%) 83ms (± 4.06%) ~ 77ms 87ms p=1.000 n=6
CompilerTSServer - node (v16.17.1, x64)
Req 1 - updateOpen 2,695ms (± 0.69%) 2,657ms (± 0.58%) -38ms (- 1.41%) 2,637ms 2,677ms p=0.006 n=6
Req 2 - geterr 4,362ms (± 0.25%) 4,403ms (± 0.48%) +42ms (+ 0.95%) 4,378ms 4,436ms p=0.008 n=6
Req 3 - references 366ms (± 0.51%) 365ms (± 1.11%) ~ 360ms 370ms p=0.936 n=6
Req 4 - navto 281ms (± 0.42%) 289ms (± 1.37%) +8ms (+ 2.85%) 282ms 293ms p=0.008 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 74ms (± 0.85%) 73ms (± 0.71%) -1ms (- 1.80%) 72ms 73ms p=0.009 n=6
xstateTSServer - node (v16.17.1, x64)
Req 1 - updateOpen 3,362ms (± 0.26%) 3,329ms (± 0.59%) -33ms (- 0.99%) 3,298ms 3,357ms p=0.013 n=6
Req 2 - geterr 1,873ms (± 4.29%) 1,851ms (± 3.67%) ~ 1,806ms 1,986ms p=0.748 n=6
Req 3 - references 112ms (± 1.56%) 112ms (± 2.51%) ~ 109ms 116ms p=0.571 n=6
Req 4 - navto 344ms (± 1.38%) 347ms (± 1.73%) ~ 339ms 353ms p=0.169 n=6
Req 5 - completionInfo count 3,136 (± 0.00%) 3,136 (± 0.00%) ~ 3,136 3,136 p=1.000 n=6
Req 5 - completionInfo 434ms (± 1.35%) 435ms (± 0.83%) ~ 431ms 441ms p=0.872 n=6
Compiler-UnionsTSServer - node (v14.15.1, x64)
Req 1 - updateOpen 2,608ms (± 1.08%) 2,571ms (± 0.39%) -36ms (- 1.39%) 2,554ms 2,584ms p=0.045 n=6
Req 2 - geterr 6,099ms (± 1.02%) 6,090ms (± 0.13%) ~ 6,076ms 6,100ms p=1.000 n=6
Req 3 - references 366ms (± 1.03%) 365ms (± 0.40%) ~ 363ms 367ms p=0.806 n=6
Req 4 - navto 277ms (± 0.90%) 279ms (± 1.52%) ~ 276ms 287ms p=0.622 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 101ms (± 1.32%) 100ms (± 2.10%) ~ 96ms 102ms p=0.676 n=6
CompilerTSServer - node (v14.15.1, x64)
Req 1 - updateOpen 2,827ms (± 0.60%) 2,805ms (± 0.44%) -21ms (- 0.75%) 2,788ms 2,815ms p=0.030 n=6
Req 2 - geterr 4,625ms (± 2.25%) 4,520ms (± 1.93%) ~ 4,465ms 4,697ms p=0.148 n=6
Req 3 - references 380ms (± 0.55%) 387ms (± 4.96%) ~ 379ms 426ms p=1.000 n=6
Req 4 - navto 293ms (± 1.25%) 294ms (± 1.30%) ~ 287ms 297ms p=0.872 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 85ms (± 9.64%) 89ms (± 9.39%) ~ 81ms 102ms p=0.254 n=6
xstateTSServer - node (v14.15.1, x64)
Req 1 - updateOpen 3,680ms (± 0.38%) 3,668ms (± 0.47%) ~ 3,645ms 3,697ms p=0.295 n=6
Req 2 - geterr 1,866ms (± 1.98%) 1,862ms (± 1.80%) ~ 1,827ms 1,895ms p=1.000 n=6
Req 3 - references 127ms (± 3.05%) 126ms (± 2.38%) ~ 123ms 130ms p=0.935 n=6
Req 4 - navto 372ms (± 1.47%) 372ms (± 1.48%) ~ 365ms 379ms p=0.936 n=6
Req 5 - completionInfo count 3,136 (± 0.00%) 3,136 (± 0.00%) ~ 3,136 3,136 p=1.000 n=6
Req 5 - completionInfo 450ms (± 1.72%) 449ms (± 1.41%) ~ 440ms 456ms p=0.936 n=6
System
Machine Namets-ci-ubuntu
Platformlinux 5.4.0-135-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 (v14.15.1, x64)
Scenarios
  • Compiler-UnionsTSServer - node (v18.10.0, x64)
  • Compiler-UnionsTSServer - node (v16.17.1, x64)
  • Compiler-UnionsTSServer - node (v14.15.1, x64)
  • CompilerTSServer - node (v18.10.0, x64)
  • CompilerTSServer - node (v16.17.1, x64)
  • CompilerTSServer - node (v14.15.1, x64)
  • xstateTSServer - node (v18.10.0, x64)
  • xstateTSServer - node (v16.17.1, x64)
  • xstateTSServer - node (v14.15.1, x64)
Benchmark Name Iterations
Current 52903 6
Baseline main 6

Startup

Comparison Report - main..52903
Metric main 52903 Delta Best Worst p-value
tsc-startup - node (v16.17.1, x64)
Execution time 142.28ms (± 0.20%) 142.34ms (± 0.20%) +0.05ms (+ 0.04%) 141.70ms 146.50ms p=0.002 n=600
tsserver-startup - node (v16.17.1, x64)
Execution time 226.67ms (± 0.18%) 226.72ms (± 0.16%) +0.04ms (+ 0.02%) 225.64ms 232.93ms p=0.007 n=600
tsserverlibrary-startup - node (v16.17.1, x64)
Execution time 228.46ms (± 0.18%) 228.59ms (± 0.16%) +0.13ms (+ 0.06%) 227.52ms 233.34ms p=0.000 n=600
typescript-startup - node (v16.17.1, x64)
Execution time 209.32ms (± 0.18%) 209.47ms (± 0.17%) +0.15ms (+ 0.07%) 208.55ms 213.71ms p=0.000 n=600
System
Machine Namets-ci-ubuntu
Platformlinux 5.4.0-135-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 52903 6
Baseline main 6

Developer Information:

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jakebailey commented Feb 22, 2023

wowee

DanielRosenwasser
DanielRosenwasser reviewed Feb 22, 2023
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src/compiler/binder.ts
var unreachableFlow: FlowNode = { flags: FlowFlags.Unreachable };
var reportedUnreachableFlow: FlowNode = { flags: FlowFlags.Unreachable };
var bindBinaryExpressionFlow = createBindBinaryExpressionFlow();
/* eslint-enable no-var */
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@DanielRosenwasser DanielRosenwasser Feb 22, 2023

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So one thing I was thinking with these - we should really move the return statement immediately closer to these so that it is clear that this is where shared state resides.

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@jakebailey jakebailey Feb 22, 2023

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Yes, that's a good idea; I think the checker already does this. Let me do that and rerun perf.

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@jakebailey jakebailey Feb 22, 2023

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JK, it's right there, two functions down.

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DanielRosenwasser commented Feb 22, 2023

:shipit:

@jakebailey jakebailey merged commit c5e4f00 into microsoft:main Feb 22, 2023
@jakebailey jakebailey deleted the let-const-binder branch February 22, 2023 01:32
@DanielRosenwasser DanielRosenwasser mentioned this pull request Feb 22, 2023
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@DanielRosenwasser DanielRosenwasser DanielRosenwasser approved these changes

@ahejlsberg ahejlsberg Awaiting requested review from ahejlsberg

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