Add default.pgo file for main entrypoint by jakebailey · Pull Request #4364 · microsoft/typescript-go

jakebailey · 2026-06-18T15:41:29Z

I haven't tried this since the perf infra was set up.

jakebailey · 2026-06-18T15:41:46Z

typescript-automation · 2026-06-18T15:41:50Z

Starting jobs; this comment will be updated as builds start and complete.

Command	Status	Results
`perf test this faster`	✅ Started	👀 Results

typescript-automation · 2026-06-18T16:09:32Z

@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 - native}
_Errors	₄	₄	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_{81,781 (± 0.02%)}	_{81,764 (± 0.05%)}	_~	_81,726	_81,832	_{p=0.173 n=6}
_Types	_98,821	_98,821	_~	_~	_~	_{p=1.000 n=6}
_{Memory Used}	_{180,588k (± 0.56%)}	_{181,019k (± 0.43%)}	_~	_180,107k	_182,468k	_{p=0.471 n=6}
_{Memory Allocs}	_{1,577,085 (± 0.02%)}	_{1,574,867 (± 0.01%)}	_{-2,217 (- 0.14%)}	_1,574,690	_1,575,113	_{p=0.005 n=6}
_{Config Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=6}
_{Parse Time}	_{0.058s (± 4.61%)}	_{0.055s (± 4.66%)}	_~	_0.053s	_0.059s	_{p=0.255 n=6}
_{Bind Time}	_{0.018s (±13.45%)}	_{0.019s (±16.81%)}	_~	_0.014s	_0.023s	_{p=0.568 n=6}
_{Check Time}	_0s	_0s	_~	_~	_~	_{p=1.000 n=6}
_{Emit Time}	_{0.837s (± 0.95%)}	_{0.817s (± 1.45%)}	_{-0.020s (- 2.43%)}	_0.803s	_0.838s	_{p=0.020 n=6}
_{Total Time}	_{0.914s (± 0.79%)}	_{0.892s (± 1.17%)}	_{-0.022s (- 2.35%)}	_0.878s	_0.910s	_{p=0.016 n=6}
_{angular-1 - native}
_Errors	₃	₃	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_{876,507 (± 0.07%)}	_{877,280 (± 0.13%)}	_~	_875,231	_878,692	_{p=0.128 n=6}
_Types	_{263,750 (± 0.00%)}	_{263,751 (± 0.00%)}	_~	_263,748	_263,752	_{p=0.802 n=6}
_{Memory Used}	_{830,300k (± 0.06%)}	_{830,641k (± 0.03%)}	_~	_830,297k	_830,903k	_{p=0.173 n=6}
_{Memory Allocs}	_{6,906,774 (± 0.17%)}	_{6,840,871 (± 0.10%)}	_{-65,902 (- 0.95%)}	_6,831,502	_6,850,701	_{p=0.005 n=6}
_{Config Time}	_{0.017s (± 2.38%)}	_{0.017s (± 3.72%)}	_~	_0.016s	_0.018s	_{p=0.673 n=6}
_{Parse Time}	_{0.257s (± 4.77%)}	_{0.242s (± 2.65%)}	_{🟩-0.015s (- 5.70%)}	_0.236s	_0.250s	_{p=0.045 n=6}
_{Bind Time}	_{0.048s (±45.80%)}	_{0.048s (±29.78%)}	_~	_0.035s	_0.070s	_{p=1.000 n=6}
_{Check Time}	_0s	_0s	_~	_~	_~	_{p=1.000 n=6}
_{Emit Time}	_{1.879s (± 1.04%)}	_{1.891s (± 1.68%)}	_~	_1.865s	_1.951s	_{p=0.629 n=6}
_{Total Time}	_{2.218s (± 0.78%)}	_{2.215s (± 1.17%)}	_~	_2.174s	_2.247s	_{p=0.936 n=6}
_{mui-docs - native}
_Errors	_{11,244 (± 0.02%)}	_{11,244 (± 0.02%)}	_~	_11,241	_11,246	_{p=0.677 n=6}
_Symbols	_4,209,747	_4,209,747	_~	_~	_~	_{p=1.000 n=6}
_Types	_1,532,197	_1,532,197	_~	_~	_~	_{p=1.000 n=6}
_{Memory Used}	_{4,963,002k (± 0.07%)}	_{4,963,323k (± 0.06%)}	_~	_4,959,894k	_4,966,438k	_{p=0.810 n=6}
_{Memory Allocs}	_{76,703,231 (±12.13%)}	_{85,481,408 (±16.28%)}	_~	_69,312,025	_100,517,498	_{p=0.298 n=6}
_{Config Time}	_{0.018s (± 8.09%)}	_{0.018s (±22.20%)}	_~	_0.016s	_0.026s	_{p=0.243 n=6}
_{Parse Time}	_{0.976s (±14.76%)}	_{1.115s (±24.53%)}	_~	_0.808s	_1.425s	_{p=0.378 n=6}
_{Bind Time}	_0.002s	_0.002s	_~	_~	_~	_{p=1.000 n=6}
_{Check Time}	_{16.957s (± 0.37%)}	_{16.520s (± 0.48%)}	_{-0.437s (- 2.58%)}	_16.442s	_16.674s	_{p=0.005 n=6}
_{Emit Time}	_{0.492s (±22.20%)}	_{0.451s (± 4.49%)}	_~	_0.432s	_0.471s	_{p=0.371 n=6}
_{Total Time}	_{19.138s (± 0.94%)}	_{18.751s (± 1.60%)}	_{-0.387s (- 2.02%)}	_18.416s	_19.205s	_{p=0.045 n=6}
_{self-build-src - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_1,394,138	_1,394,138	_~	_~	_~	_{p=1.000 n=6}
_Types	_442,153	_442,153	_~	_~	_~	_{p=1.000 n=6}
_{Memory Used}	_{1,647,003k (± 0.21%)}	_{1,649,283k (± 0.40%)}	_~	_1,639,130k	_1,657,796k	_{p=0.378 n=6}
_{Memory Allocs}	_{55,623,733 (± 0.08%)}	_{55,303,483 (± 0.13%)}	_{-320,250 (- 0.58%)}	_55,189,592	_55,394,298	_{p=0.005 n=6}
_{Config Time}	_{0.020s (±26.92%)}	_{0.015s (±51.90%)}	_~	_0.005s	_0.023s	_{p=0.809 n=6}
_{Parse Time}	_{0.280s (± 5.20%)}	_{0.265s (± 3.43%)}	_~	_0.255s	_0.275s	_{p=0.054 n=6}
_{Bind Time}	_{0.000s (±154.76%)}	_0.000s	_~	_~	_~	_{p=0.174 n=6}
_{Check Time}	_{2.314s (± 0.80%)}	_{2.317s (± 0.94%)}	_~	_2.284s	_2.340s	_{p=0.810 n=6}
_{Emit Time}	_{0.231s (± 6.01%)}	_{0.229s (± 3.72%)}	_~	_0.217s	_0.240s	_{p=0.873 n=6}
_{Total Time}	_{29.750s (± 1.13%)}	_{29.484s (± 1.26%)}	_~	_29.034s	_30.128s	_{p=0.230 n=6}
_{self-compiler - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_337,634	_337,634	_~	_~	_~	_{p=1.000 n=6}
_Types	_199,520	_199,520	_~	_~	_~	_{p=1.000 n=6}
_{Memory Used}	_{332,398k (± 0.03%)}	_{332,215k (± 0.03%)}	_{-183k (- 0.06%)}	_332,035k	_332,302k	_{p=0.013 n=6}
_{Memory Allocs}	_{2,417,081 (± 0.02%)}	_{2,399,846 (± 0.02%)}	_{-17,234 (- 0.71%)}	_2,399,315	_2,400,540	_{p=0.005 n=6}
_{Config Time}	_0.001s	_0.001s	_~	_~	_~	_{p=1.000 n=6}
_{Parse Time}	_{0.131s (± 3.58%)}	_{0.127s (± 3.57%)}	_~	_0.124s	_0.136s	_{p=0.148 n=6}
_{Bind Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=6}
_{Check Time}	_{1.385s (± 1.11%)}	_{1.396s (± 1.15%)}	_~	_1.379s	_1.424s	_{p=0.261 n=6}
_{Emit Time}	_{0.097s (± 7.95%)}	_{0.084s (± 4.77%)}	_{🟩-0.013s (-13.77%)}	_0.079s	_0.091s	_{p=0.010 n=6}
_{Total Time}	_{1.668s (± 1.10%)}	_{1.661s (± 1.18%)}	_~	_1.644s	_1.696s	_{p=0.521 n=6}
_{ts-pre-modules - native}
_Errors	₃	₃	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_97,488	_97,488	_~	_~	_~	_{p=1.000 n=6}
_Types	₃₅₆	₃₅₆	_~	_~	_~	_{p=1.000 n=6}
_{Memory Used}	_{133,726k (± 0.03%)}	_{133,731k (± 0.02%)}	_~	_133,683k	_133,764k	_{p=0.689 n=6}
_{Memory Allocs}	_{182,886 (± 0.28%)}	_{183,140 (± 0.18%)}	_~	_182,781	_183,700	_{p=0.173 n=6}
_{Config Time}	_0.001s	_0.001s	_~	_~	_~	_{p=1.000 n=6}
_{Parse Time}	_{0.117s (± 5.59%)}	_{0.110s (± 3.21%)}	_~	_0.106s	_0.115s	_{p=0.125 n=6}
_{Bind Time}	_{0.036s (± 7.02%)}	_{0.039s (±13.34%)}	_~	_0.031s	_0.044s	_{p=0.462 n=6}
_{Check Time}	_0s	_0s	_~	_~	_~	_{p=1.000 n=6}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=6}
_{Total Time}	_{0.156s (± 4.67%)}	_{0.152s (± 4.28%)}	_~	_0.145s	_0.162s	_{p=0.421 n=6}
_{vscode - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_6,662,467	_6,662,467	_~	_~	_~	_{p=1.000 n=6}
_Types	_2,363,331	_2,363,331	_~	_~	_~	_{p=1.000 n=6}
_{Memory Used}	_{4,534,753k (± 0.03%)}	_{4,533,854k (± 0.02%)}	_~	_4,532,580k	_4,535,158k	_{p=0.298 n=6}
_{Memory Allocs}	_{31,997,727 (± 0.12%)}	_{31,754,006 (± 0.07%)}	_{-243,722 (- 0.76%)}	_31,735,347	_31,788,250	_{p=0.005 n=6}
_{Config Time}	_{0.073s (± 8.29%)}	_{0.072s (± 8.69%)}	_~	_0.060s	_0.079s	_{p=0.872 n=6}
_{Parse Time}	_{0.899s (± 2.74%)}	_{0.891s (± 4.70%)}	_~	_0.826s	_0.948s	_{p=0.810 n=6}
_{Bind Time}	_{0.136s (± 8.54%)}	_{0.146s (±11.77%)}	_~	_0.133s	_0.175s	_{p=0.124 n=6}
_{Check Time}	_{8.716s (± 1.36%)}	_{8.811s (± 1.25%)}	_~	_8.652s	_8.978s	_{p=0.229 n=6}
_{Emit Time}	_{2.251s (±12.07%)}	_{2.192s (±10.17%)}	_~	_1.964s	_2.469s	_{p=0.936 n=6}
_{Total Time}	_{12.094s (± 1.24%)}	_{12.133s (± 1.47%)}	_~	_11.913s	_12.364s	_{p=0.810 n=6}
_{webpack - native}
_Errors	₂	₂	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_182,484	_182,484	_~	_~	_~	_{p=1.000 n=6}
_Types	₃₄₀	₃₄₀	_~	_~	_~	_{p=1.000 n=6}
_{Memory Used}	_{221,267k (± 0.13%)}	_{221,489k (± 0.09%)}	_~	_221,358k	_221,898k	_{p=0.336 n=6}
_{Memory Allocs}	_{1,069,847 (± 0.59%)}	_{1,069,751 (± 0.50%)}	_~	_1,063,430	_1,076,780	_{p=0.936 n=6}
_{Config Time}	_{0.011s (±13.27%)}	_{0.011s (±18.21%)}	_~	_0.008s	_0.014s	_{p=1.000 n=6}
_{Parse Time}	_{0.151s (± 4.21%)}	_{0.151s (± 3.53%)}	_~	_0.145s	_0.160s	_{p=0.936 n=6}
_{Bind Time}	_0s	_0s	_~	_~	_~	_{p=1.000 n=6}
_{Check Time}	_0s	_0s	_~	_~	_~	_{p=1.000 n=6}
_{Emit Time}	_{0.043s (±26.73%)}	_{0.041s (±15.61%)}	_~	_0.032s	_0.048s	_{p=1.000 n=6}
_{Total Time}	_{0.206s (± 3.15%)}	_{0.205s (± 2.61%)}	_~	_0.195s	_0.210s	_{p=0.630 n=6}
_{xstate-main - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_1,065,023	_1,065,023	_~	_~	_~	_{p=1.000 n=6}
_Types	_389,185	_389,185	_~	_~	_~	_{p=1.000 n=6}
_{Memory Used}	_{643,130k (± 0.01%)}	_{643,173k (± 0.01%)}	_~	_643,022k	_643,276k	_{p=0.470 n=6}
_{Memory Allocs}	_{5,057,635 (± 0.10%)}	_{5,033,854 (± 0.12%)}	_{-23,781 (- 0.47%)}	_5,025,392	_5,043,466	_{p=0.005 n=6}
_{Config Time}	_0.005s	_{0.004s (±12.16%)}	_~	_0.004s	_0.005s	_{p=0.071 n=6}
_{Parse Time}	_{0.129s (± 2.50%)}	_{0.130s (± 2.85%)}	_~	_0.126s	_0.136s	_{p=0.570 n=6}
_{Bind Time}	_{0.036s (±28.73%)}	_{0.031s (±32.90%)}	_~	_0.023s	_0.050s	_{p=0.336 n=6}
_{Check Time}	_{1.303s (± 0.55%)}	_{1.322s (± 0.66%)}	_{+0.019s (+ 1.45%)}	_1.309s	_1.330s	_{p=0.013 n=6}
_{Emit Time}	_0.001s	_0.001s	_~	_~	_~	_{p=1.000 n=6}
_{Total Time}	_{1.477s (± 0.35%)}	_{1.492s (± 0.55%)}	_{+0.015s (+ 1.00%)}	_1.481s	_1.503s	_{p=0.012 n=6}

System info unknown

Hosts

native

Scenarios

Compiler-Unions - native
angular-1 - native
mui-docs - native
self-build-src - native
self-compiler - native
ts-pre-modules - native
vscode - native
webpack - native
xstate-main - native

_Benchmark	_Name	_Iterations
_Current	_pr	₆
_Baseline	_baseline	₆

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Add default.pgo file for main entrypoint#4364

Add default.pgo file for main entrypoint#4364
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