Report process CPU time in extended diagnostics by jakebailey · Pull Request #65003 · microsoft/TypeScript

Jake Bailey (jakebailey) · 2026-10-28T22:40:19Z

This should theoretically be less noisy because it's asking the OS for the actual time it ran the process (or did things on behalf of the process).

Wall-clock timings include time spent waiting for other processes and I/O. Process CPU time provides a complementary measure of compiler work across all threads without counting time spent executing unrelated processes.

Jake Bailey (jakebailey) · 2026-10-28T22:40:38Z

TypeScript Bot (@typescript-bot) perf test this faster

Though of course i'll only have one side!

typescript-automation · 2026-10-28T22:40:43Z

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

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

Jake Bailey (jakebailey) · 2026-10-28T22:41:02Z

TypeScript Bot (@typescript-bot) perf test this faster

If I run it twice, then we can compare numbers, since the pool is currently all the same instance types, maybe.

typescript-automation · 2026-10-28T22:41:07Z

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

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

typescript-automation · 2026-10-28T23:33:01Z

Jake Bailey (@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	₄₁	₄₁	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_88,466	_88,466	_~	_~	_~	_{p=1.000 n=20}
_Types	_79,607	_79,607	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{104,148k (± 0.03%)}	_{104,145k (± 0.02%)}	_~	_104,056k	_104,242k	_{p=0.952 n=20}
_{Memory Allocs}	_{1,263,854 (± 0.01%)}	_{1,263,859 (± 0.01%)}	_~	_1,263,518	_1,264,471	_{p=1.000 n=20}
_{Config Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.023s (± 3.37%)}	_{0.023s (± 2.92%)}	_~	_0.020s	_0.027s	_{p=0.674 n=20}
_{Bind Time}	_{0.009s (± 4.18%)}	_{0.008s (± 6.07%)}	_~	_0.007s	_0.011s	_{p=0.687 n=20}
_{Check Time}	_{0.214s (± 0.86%)}	_{0.215s (± 0.79%)}	_~	_0.208s	_0.221s	_{p=0.541 n=20}
_{Emit Time}	_{0.138s (± 0.90%)}	_{0.139s (± 1.39%)}	_~	_0.132s	_0.152s	_{p=0.383 n=20}
_{Total Time}	_{0.387s (± 0.53%)}	_{0.389s (± 0.72%)}	_~	_0.379s	_0.406s	_{p=0.440 n=20}
_{angular-1 - native}
_Errors	₃	₃	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_{586,559 (± 0.02%)}	_{586,546 (± 0.02%)}	_~	_585,884	_586,833	_{p=0.974 n=20}
_Types	_{241,687 (± 0.00%)}	_{241,688 (± 0.00%)}	_~	_241,685	_241,698	_{p=0.157 n=20}
_{Memory Used}	_{517,983k (± 0.01%)}	_{517,956k (± 0.02%)}	_~	_517,606k	_518,372k	_{p=0.616 n=20}
_{Memory Allocs}	_{7,799,705 (± 0.10%)}	_{7,799,427 (± 0.10%)}	_~	_7,785,902	_7,848,846	_{p=0.779 n=20}
_{Config Time}	_{0.009s (± 2.82%)}	_{0.008s (± 2.79%)}	_~	_0.008s	_0.009s	_{p=0.751 n=20}
_{Parse Time}	_{0.125s (± 2.05%)}	_{0.126s (± 2.30%)}	_~	_0.117s	_0.137s	_{p=0.455 n=20}
_{Bind Time}	_{0.045s (± 8.17%)}	_{0.045s (± 8.98%)}	_~	_0.039s	_0.070s	_{p=0.908 n=20}
_{Check Time}	_0s	_0s	_~	_~	_~	_{p=1.000 n=20}
_{Emit Time}	_{0.870s (± 0.91%)}	_{0.867s (± 1.05%)}	_~	_0.843s	_0.909s	_{p=0.457 n=20}
_{Total Time}	_{1.061s (± 1.04%)}	_{1.059s (± 1.26%)}	_~	_1.026s	_1.123s	_{p=0.804 n=20}
_{arktype - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_685,920	_685,920	_~	_~	_~	_{p=1.000 n=20}
_Types	_939,467	_939,467	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{497,279k (± 0.01%)}	_{497,295k (± 0.01%)}	_~	_496,899k	_497,441k	_{p=0.373 n=20}
_{Memory Allocs}	_{12,108,241 (± 0.02%)}	_{12,108,100 (± 0.01%)}	_~	_12,104,611	_12,115,483	_{p=0.758 n=20}
_{Config Time}	_0.001s	_0.001s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.041s (± 3.06%)}	_{0.042s (± 4.39%)}	_~	_0.035s	_0.050s	_{p=0.752 n=20}
_{Bind Time}	_{0.014s (± 9.65%)}	_{0.014s (± 9.53%)}	_~	_0.012s	_0.020s	_{p=0.912 n=20}
_{Check Time}	_{0.989s (± 0.67%)}	_{1.012s (± 1.47%)}	_{+0.023s (+ 2.35%)}	_0.978s	_1.115s	_{p=0.005 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{1.074s (± 0.54%)}	_{1.098s (± 1.38%)}	_{+0.024s (+ 2.21%)}	_1.059s	_1.200s	_{p=0.005 n=20}
_{class-transformer - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_45,376	_45,376	_~	_~	_~	_{p=1.000 n=20}
_Types	_7,573	_7,573	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{27,839k (± 0.02%)}	_{27,831k (± 0.02%)}	_~	_27,811k	_27,858k	_{p=0.070 n=20}
_{Memory Allocs}	_{248,690 (± 0.05%)}	_{248,580 (± 0.03%)}	_~	_248,290	_248,884	_{p=0.092 n=20}
_{Config Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.011s (± 4.06%)}	_{0.011s (± 3.85%)}	_~	_0.009s	_0.013s	_{p=0.848 n=20}
_{Bind Time}	_{0.003s (±10.26%)}	_{0.003s (± 8.07%)}	_~	_0.003s	_0.005s	_{p=0.487 n=20}
_{Check Time}	_{0.008s (± 4.31%)}	_{0.008s (± 5.00%)}	_~	_0.007s	_0.010s	_{p=0.396 n=20}
_{Emit Time}	_{0.009s (± 5.49%)}	_{0.008s (± 5.19%)}	_~	_0.007s	_0.010s	_{p=0.560 n=20}
_{Total Time}	_{0.032s (± 1.78%)}	_{0.032s (± 1.46%)}	_~	_0.029s	_0.033s	_{p=0.402 n=20}
_{effect - native}
_Errors	₁₂	₁₂	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_1,235,115	_1,235,115	_~	_~	_~	_{p=1.000 n=20}
_Types	_894,113	_894,113	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{940,451k (± 0.02%)}	_{940,531k (± 0.02%)}	_~	_939,959k	_941,414k	_{p=0.779 n=20}
_{Memory Allocs}	_{12,668,788 (± 0.02%)}	_{12,672,090 (± 0.04%)}	_~	_12,659,623	_12,705,401	_{p=0.547 n=20}
_{Config Time}	_{0.002s (±14.55%)}	_0.002s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.160s (± 2.20%)}	_{0.161s (± 2.64%)}	_~	_0.146s	_0.177s	_{p=1.000 n=20}
_{Bind Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Check Time}	_{0.984s (± 1.05%)}	_{0.994s (± 1.06%)}	_~	_0.960s	_1.047s	_{p=0.223 n=20}
_{Emit Time}	_{0.536s (± 2.76%)}	_{0.528s (± 2.41%)}	_~	_0.486s	_0.567s	_{p=0.465 n=20}
_{Total Time}	_{1.781s (± 0.91%)}	_{1.783s (± 0.92%)}	_~	_1.734s	_1.840s	_{p=0.920 n=20}
_{mui-docs - native}
_Errors	_11,405	_11,405	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_3,784,019	_3,784,019	_~	_~	_~	_{p=1.000 n=20}
_Types	_1,355,974	_1,355,974	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{1,835,603k (± 0.07%)}	_{1,836,228k (± 0.07%)}	_~	_1,829,995k	_1,840,774k	_{p=0.425 n=20}
_{Memory Allocs}	_{25,995,540 (± 0.11%)}	_{26,030,094 (± 0.21%)}	_~	_25,911,478	_26,437,673	_{p=0.445 n=20}
_{Config Time}	_{0.009s (± 1.61%)}	_{0.009s (± 1.93%)}	_~	_0.008s	_0.009s	_{p=1.000 n=20}
_{Parse Time}	_{0.303s (± 3.33%)}	_{0.303s (± 2.18%)}	_~	_0.276s	_0.336s	_{p=0.909 n=20}
_{Bind Time}	_0.001s	_0.001s	_~	_~	_~	_{p=1.000 n=20}
_{Check Time}	_{3.287s (± 1.09%)}	_{3.275s (± 1.18%)}	_~	_3.120s	_3.387s	_{p=0.952 n=20}
_{Emit Time}	_{0.260s (± 2.74%)}	_{0.260s (± 2.21%)}	_~	_0.250s	_0.309s	_{p=0.587 n=20}
_{Total Time}	_{4.377s (± 1.11%)}	_{4.367s (± 1.06%)}	_~	_4.168s	_4.541s	_{p=0.820 n=20}
_{sentry - native}
_Errors	₂	₂	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_4,793,245	_4,793,245	_~	_~	_~	_{p=1.000 n=20}
_Types	_2,607,047	_2,607,047	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{2,880,743k (± 0.03%)}	_{2,880,590k (± 0.03%)}	_~	_2,878,454k	_2,884,099k	_{p=0.738 n=20}
_{Memory Allocs}	_{75,408,659 (± 0.33%)}	_{75,243,417 (± 0.17%)}	_~	_74,879,120	_75,892,891	_{p=0.478 n=20}
_{Config Time}	_{0.026s (± 1.89%)}	_{0.026s (± 1.06%)}	_~	_0.025s	_0.027s	_{p=0.916 n=20}
_{Parse Time}	_{0.492s (± 5.16%)}	_{0.490s (± 4.15%)}	_~	_0.440s	_0.619s	_{p=0.952 n=20}
_{Bind Time}	_{0.202s (±10.55%)}	_{0.171s (± 8.57%)}	_{🟩-0.031s (-15.26%)}	_0.144s	_0.237s	_{p=0.050 n=20}
_{Check Time}	_{7.024s (± 0.81%)}	_{7.081s (± 1.14%)}	_~	_6.865s	_7.547s	_{p=0.542 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{7.802s (± 0.79%)}	_{7.824s (± 0.99%)}	_~	_7.621s	_8.273s	_{p=0.973 n=20}
_{social-app - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_1,883,074	_1,883,074	_~	_~	_~	_{p=1.000 n=20}
_Types	_1,158,170	_1,158,170	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{972,405k (± 0.01%)}	_{972,526k (± 0.01%)}	_~	_971,960k	_973,274k	_{p=0.298 n=20}
_{Memory Allocs}	_{13,574,722 (± 0.14%)}	_{13,557,578 (± 0.13%)}	_~	_13,516,488	_13,664,915	_{p=0.096 n=20}
_{Config Time}	_0.008s	_0.008s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.156s (± 1.80%)}	_{0.159s (± 2.91%)}	_~	_0.147s	_0.181s	_{p=0.783 n=20}
_{Bind Time}	_{0.043s (± 7.42%)}	_{0.044s (± 9.28%)}	_~	_0.038s	_0.070s	_{p=0.546 n=20}
_{Check Time}	_{1.474s (± 0.87%)}	_{1.474s (± 0.40%)}	_~	_1.458s	_1.497s	_{p=0.358 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{1.697s (± 0.88%)}	_{1.702s (± 0.50%)}	_~	_1.672s	_1.745s	_{p=0.090 n=20}
_{strada-build-src - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_1,184,972	_1,184,972	_~	_~	_~	_{p=1.000 n=20}
_Types	_438,963	_438,963	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{1,166,405k (± 0.34%)}	_{1,166,908k (± 0.39%)}	_~	_1,151,787k	_1,184,337k	_{p=0.820 n=20}
_{Memory Allocs}	_{47,655,855 (± 0.09%)}	_{47,658,042 (± 0.10%)}	_~	_47,454,462	_47,847,828	_{p=0.862 n=20}
_{Config Time}	_{0.002s (±14.66%)}	_{0.002s (±14.66%)}	_~	_0.001s	_0.003s	_{p=1.000 n=20}
_{Parse Time}	_{0.137s (± 1.85%)}	_{0.135s (± 2.00%)}	_~	_0.126s	_0.145s	_{p=0.223 n=20}
_{Bind Time}	_0.000s	_{0.000s (±208.60%)}	_~	_0.000s	_0.001s	_{p=1.000 n=20}
_{Check Time}	_{0.834s (± 0.62%)}	_{0.833s (± 0.71%)}	_~	_0.815s	_0.871s	_{p=0.825 n=20}
_{Emit Time}	_{0.139s (± 0.84%)}	_{0.142s (± 2.62%)}	_~	_0.134s	_0.167s	_{p=0.995 n=20}
_{Total Time}	_{9.652s (± 0.51%)}	_{9.659s (± 0.63%)}	_~	_9.497s	_10.093s	_{p=1.000 n=20}
_{strada-compiler - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_263,511	_263,511	_~	_~	_~	_{p=1.000 n=20}
_Types	_196,116	_196,116	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{224,592k (± 0.02%)}	_{224,567k (± 0.02%)}	_~	_224,261k	_224,678k	_{p=0.625 n=20}
_{Memory Allocs}	_{2,401,327 (± 0.01%)}	_{2,401,442 (± 0.01%)}	_~	_2,399,647	_2,402,279	_{p=0.331 n=20}
_{Config Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.051s (± 4.68%)}	_{0.051s (± 3.11%)}	_~	_0.045s	_0.058s	_{p=0.577 n=20}
_{Bind Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Check Time}	_{0.419s (± 1.85%)}	_{0.418s (± 1.72%)}	_~	_0.391s	_0.447s	_{p=0.899 n=20}
_{Emit Time}	_{0.053s (± 8.92%)}	_{0.051s (± 5.91%)}	_~	_0.042s	_0.064s	_{p=0.480 n=20}
_{Total Time}	_{0.556s (± 2.37%)}	_{0.551s (± 1.64%)}	_~	_0.503s	_0.581s	_{p=0.825 n=20}
_{t3code-server - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_4,350,661	_4,350,661	_~	_~	_~	_{p=1.000 n=20}
_Types	_3,040,647	_3,040,647	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{2,434,256k (± 0.03%)}	_{2,433,772k (± 0.02%)}	_~	_2,432,365k	_2,435,541k	_{p=0.289 n=20}
_{Memory Allocs}	_{37,358,060 (± 0.05%)}	_{37,357,760 (± 0.07%)}	_~	_37,301,440	_37,522,611	_{p=0.620 n=20}
_{Config Time}	_0.003s	_0.003s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.259s (± 2.19%)}	_{0.255s (± 2.25%)}	_~	_0.233s	_0.282s	_{p=0.261 n=20}
_{Bind Time}	_{0.093s (±11.28%)}	_{0.094s (±10.52%)}	_~	_0.078s	_0.135s	_{p=0.497 n=20}
_{Check Time}	_{7.834s (± 0.55%)}	_{7.812s (± 0.51%)}	_~	_7.638s	_7.987s	_{p=0.602 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{8.201s (± 0.57%)}	_{8.176s (± 0.47%)}	_~	_8.011s	_8.359s	_{p=0.698 n=20}
_{tanstack-router - native}
_Errors	₁	₁	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_571,756	_571,756	_~	_~	_~	_{p=1.000 n=20}
_Types	_397,689	_397,689	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{331,402k (± 0.01%)}	_{331,417k (± 0.01%)}	_~	_331,228k	_331,591k	_{p=0.387 n=20}
_{Memory Allocs}	_{4,389,291 (± 0.12%)}	_{4,396,006 (± 0.19%)}	_~	_4,378,015	_4,451,717	_{p=0.253 n=20}
_{Config Time}	_0.001s	_0.001s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.040s (± 4.56%)}	_{0.040s (± 4.07%)}	_~	_0.036s	_0.049s	_{p=0.941 n=20}
_{Bind Time}	_{0.014s (±12.70%)}	_{0.013s (±12.52%)}	_~	_0.011s	_0.021s	_{p=0.350 n=20}
_{Check Time}	_{0.557s (± 0.58%)}	_{0.556s (± 0.48%)}	_~	_0.547s	_0.566s	_{p=0.804 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{0.631s (± 0.71%)}	_{0.629s (± 0.65%)}	_~	_0.615s	_0.643s	_{p=0.448 n=20}
_{ts-pre-modules - native}
_Errors	₈₇	₈₇	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_231,616	_231,616	_~	_~	_~	_{p=1.000 n=20}
_Types	_181,195	_181,195	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{193,514k (± 0.01%)}	_{193,529k (± 0.02%)}	_~	_193,372k	_193,655k	_{p=0.279 n=20}
_{Memory Allocs}	_{1,318,010 (± 0.01%)}	_{1,318,129 (± 0.01%)}	_~	_1,317,498	_1,319,102	_{p=0.229 n=20}
_{Config Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.043s (± 3.17%)}	_{0.042s (± 2.93%)}	_~	_0.038s	_0.047s	_{p=0.594 n=20}
_{Bind Time}	_{0.020s (± 4.35%)}	_{0.021s (± 5.33%)}	_~	_0.016s	_0.025s	_{p=0.287 n=20}
_{Check Time}	_{0.293s (± 1.10%)}	_{0.293s (± 0.91%)}	_~	_0.284s	_0.300s	_{p=0.867 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{0.362s (± 0.91%)}	_{0.362s (± 0.70%)}	_~	_0.352s	_0.373s	_{p=0.963 n=20}
_{vscode - native}
_Errors	₁₁	₁₁	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_7,399,203	_7,399,203	_~	_~	_~	_{p=1.000 n=20}
_Types	_4,359,460	_4,359,460	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{5,149,714k (± 0.03%)}	_{5,150,024k (± 0.02%)}	_~	_5,146,755k	_5,153,375k	_{p=0.157 n=20}
_{Memory Allocs}	_{56,454,985 (± 0.07%)}	_{56,423,117 (± 0.02%)}	_~	_56,402,795	_56,496,599	_{p=0.231 n=20}
_{Config Time}	_{0.036s (± 2.66%)}	_{0.035s (± 1.68%)}	_~	_0.034s	_0.039s	_{p=0.745 n=20}
_{Parse Time}	_{0.948s (± 2.92%)}	_{0.962s (± 2.79%)}	_~	_0.868s	_1.070s	_{p=0.542 n=20}
_{Bind Time}	_{0.380s (±11.28%)}	_{0.354s (± 7.39%)}	_~	_0.314s	_0.551s	_{p=0.723 n=20}
_{Check Time}	_{8.169s (± 1.34%)}	_{8.187s (± 1.69%)}	_~	_7.598s	_8.677s	_{p=0.947 n=20}
_{Emit Time}	_{3.048s (± 6.79%)}	_{2.845s (± 3.52%)}	_~	_2.657s	_3.688s	_{p=0.229 n=20}
_{Total Time}	_{12.642s (± 2.30%)}	_{12.445s (± 1.44%)}	_~	_12.019s	_13.281s	_{p=0.394 n=20}
_{webpack - native}
_Errors	₆₁₉	₆₁₉	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_925,723	_925,723	_~	_~	_~	_{p=1.000 n=20}
_Types	_643,578	_643,578	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{697,633k (± 0.01%)}	_{697,621k (± 0.02%)}	_~	_696,963k	_698,078k	_{p=0.995 n=20}
_{Memory Allocs}	_{6,555,118 (± 0.07%)}	_{6,553,111 (± 0.04%)}	_~	_6,547,358	_6,561,414	_{p=0.779 n=20}
_{Config Time}	_0.004s	_0.004s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.142s (± 3.55%)}	_{0.141s (± 3.41%)}	_~	_0.126s	_0.159s	_{p=0.753 n=20}
_{Bind Time}	_{0.043s (± 7.33%)}	_{0.045s (±10.04%)}	_~	_0.037s	_0.072s	_{p=0.834 n=20}
_{Check Time}	_{1.203s (± 0.68%)}	_{1.203s (± 0.46%)}	_~	_1.186s	_1.231s	_{p=0.533 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{1.415s (± 0.85%)}	_{1.416s (± 0.71%)}	_~	_1.381s	_1.464s	_{p=0.733 n=20}
_{xstate-main - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_640,490	_640,490	_~	_~	_~	_{p=1.000 n=20}
_Types	_387,988	_387,988	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{350,999k (± 0.03%)}	_{350,934k (± 0.02%)}	_~	_350,709k	_351,427k	_{p=0.289 n=20}
_{Memory Allocs}	_{3,989,821 (± 0.06%)}	_{3,994,173 (± 0.11%)}	_~	_3,976,872	_4,015,207	_{p=0.121 n=20}
_{Config Time}	_0.001s	_0.001s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.063s (± 3.27%)}	_{0.065s (± 5.07%)}	_~	_0.057s	_0.090s	_{p=0.712 n=20}
_{Bind Time}	_{0.023s (±11.49%)}	_{0.020s (± 8.74%)}	_{🟩-0.003s (-12.80%)}	_0.017s	_0.030s	_{p=0.048 n=20}
_{Check Time}	_{0.431s (± 0.77%)}	_{0.428s (± 0.71%)}	_~	_0.418s	_0.439s	_{p=0.310 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{0.523s (± 0.57%)}	_{0.519s (± 0.98%)}	_~	_0.504s	_0.544s	_{p=0.092 n=20}

System info unknown

Hosts

native

Scenarios

Compiler-Unions - native
angular-1 - native
arktype - native
class-transformer - native
effect - native
mui-docs - native
sentry - native
social-app - native
strada-build-src - native
strada-compiler - native
t3code-server - native
tanstack-router - native
ts-pre-modules - native
vscode - native
webpack - native
xstate-main - native

_Benchmark	_Name	_Iterations
_Current	_pr	₂₀
_Baseline	_baseline	₂₀

Developer Information:

Download Benchmarks

typescript-automation · 2026-10-28T23:41:29Z

Jake Bailey (@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	₄₁	₄₁	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_88,466	_88,466	_~	_~	_~	_{p=1.000 n=20}
_Types	_79,607	_79,607	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{104,143k (± 0.02%)}	_{104,158k (± 0.03%)}	_~	_104,072k	_104,307k	_{p=0.683 n=20}
_{Memory Allocs}	_{1,263,828 (± 0.01%)}	_{1,263,775 (± 0.00%)}	_~	_1,263,555	_1,264,029	_{p=0.634 n=20}
_{Config Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.023s (± 2.47%)}	_{0.023s (± 2.41%)}	_~	_0.020s	_0.025s	_{p=0.365 n=20}
_{Bind Time}	_{0.009s (± 4.54%)}	_{0.009s (± 6.00%)}	_~	_0.007s	_0.010s	_{p=0.958 n=20}
_{Check Time}	_{0.218s (± 0.81%)}	_{0.219s (± 1.09%)}	_~	_0.207s	_0.226s	_{p=0.712 n=20}
_{Emit Time}	_{0.141s (± 1.08%)}	_{0.140s (± 0.86%)}	_~	_0.135s	_0.144s	_{p=0.121 n=20}
_{Total Time}	_{0.394s (± 0.76%)}	_{0.393s (± 0.68%)}	_~	_0.383s	_0.400s	_{p=0.643 n=20}
_{angular-1 - native}
_Errors	₃	₃	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_{586,571 (± 0.02%)}	_{586,568 (± 0.01%)}	_~	_586,334	_586,829	_{p=0.723 n=20}
_Types	_{241,687 (± 0.00%)}	_{241,688 (± 0.00%)}	_~	_241,685	_241,697	_{p=0.746 n=20}
_{Memory Used}	_{517,954k (± 0.01%)}	_{517,908k (± 0.02%)}	_~	_517,643k	_518,255k	_{p=0.449 n=20}
_{Memory Allocs}	_{7,802,163 (± 0.12%)}	_{7,798,608 (± 0.13%)}	_~	_7,786,145	_7,874,570	_{p=0.429 n=20}
_{Config Time}	_0.009s	_0.009s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.128s (± 2.57%)}	_{0.128s (± 3.46%)}	_~	_0.114s	_0.153s	_{p=0.856 n=20}
_{Bind Time}	_{0.041s (± 5.79%)}	_{0.047s (±11.00%)}	_~	_0.038s	_0.069s	_{p=0.132 n=20}
_{Check Time}	_0s	_0s	_~	_~	_~	_{p=1.000 n=20}
_{Emit Time}	_{0.861s (± 1.34%)}	_{0.864s (± 1.19%)}	_~	_0.824s	_0.930s	_{p=0.857 n=20}
_{Total Time}	_{1.051s (± 1.41%)}	_{1.059s (± 1.27%)}	_~	_1.005s	_1.133s	_{p=0.723 n=20}
_{arktype - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_685,920	_685,920	_~	_~	_~	_{p=1.000 n=20}
_Types	_939,467	_939,467	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{497,323k (± 0.01%)}	_{497,279k (± 0.01%)}	_~	_497,022k	_497,489k	_{p=0.317 n=20}
_{Memory Allocs}	_{12,108,884 (± 0.02%)}	_{12,107,890 (± 0.02%)}	_~	_12,104,533	_12,120,198	_{p=0.289 n=20}
_{Config Time}	_0.001s	_0.001s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.042s (± 5.22%)}	_{0.042s (± 3.35%)}	_~	_0.038s	_0.048s	_{p=0.672 n=20}
_{Bind Time}	_{0.015s (±13.92%)}	_{0.015s (±12.53%)}	_~	_0.012s	_0.024s	_{p=0.873 n=20}
_{Check Time}	_{1.029s (± 1.57%)}	_{1.015s (± 0.91%)}	_~	_0.991s	_1.073s	_{p=0.132 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{1.117s (± 1.44%)}	_{1.102s (± 0.83%)}	_~	_1.076s	_1.153s	_{p=0.167 n=20}
_{class-transformer - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_45,376	_45,376	_~	_~	_~	_{p=1.000 n=20}
_Types	_7,573	_7,573	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{27,839k (± 0.02%)}	_{27,835k (± 0.02%)}	_~	_27,804k	_27,872k	_{p=0.311 n=20}
_{Memory Allocs}	_{248,611 (± 0.08%)}	_{248,610 (± 0.07%)}	_~	_248,005	_249,384	_{p=0.794 n=20}
_{Config Time}	_{0.000s (±143.57%)}	_0.000s	_~	_~	_~	_{p=0.487 n=20}
_{Parse Time}	_{0.013s (± 8.43%)}	_{0.012s (± 6.16%)}	_~	_0.009s	_0.015s	_{p=0.559 n=20}
_{Bind Time}	_{0.004s (±12.97%)}	_{0.004s (±13.20%)}	_~	_0.003s	_0.006s	_{p=0.976 n=20}
_{Check Time}	_{0.009s (± 8.13%)}	_{0.009s (± 7.65%)}	_~	_0.007s	_0.012s	_{p=0.769 n=20}
_{Emit Time}	_{0.009s (± 8.15%)}	_{0.009s (± 7.11%)}	_~	_0.007s	_0.012s	_{p=0.793 n=20}
_{Total Time}	_{0.036s (± 4.72%)}	_{0.036s (± 3.19%)}	_~	_0.031s	_0.041s	_{p=0.504 n=20}
_{effect - native}
_Errors	₁₂	₁₂	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_1,235,115	_1,235,115	_~	_~	_~	_{p=1.000 n=20}
_Types	_894,113	_894,113	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{940,613k (± 0.03%)}	_{940,695k (± 0.02%)}	_~	_939,651k	_941,520k	_{p=0.524 n=20}
_{Memory Allocs}	_{12,672,059 (± 0.02%)}	_{12,674,261 (± 0.03%)}	_~	_12,662,532	_12,697,197	_{p=0.602 n=20}
_{Config Time}	_0.002s	_0.002s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.151s (± 1.31%)}	_{0.149s (± 1.21%)}	_~	_0.143s	_0.156s	_{p=0.094 n=20}
_{Bind Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Check Time}	_{0.940s (± 0.77%)}	_{0.950s (± 1.20%)}	_~	_0.921s	_1.025s	_{p=0.234 n=20}
_{Emit Time}	_{0.509s (± 2.34%)}	_{0.510s (± 2.68%)}	_~	_0.465s	_0.578s	_{p=0.963 n=20}
_{Total Time}	_{1.696s (± 0.55%)}	_{1.705s (± 1.04%)}	_~	_1.647s	_1.829s	_{p=0.542 n=20}
_{mui-docs - native}
_Errors	_11,405	_11,405	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_3,784,019	_3,784,019	_~	_~	_~	_{p=1.000 n=20}
_Types	_1,355,974	_1,355,974	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{1,836,606k (± 0.09%)}	_{1,837,078k (± 0.08%)}	_~	_1,831,288k	_1,841,667k	_{p=0.718 n=20}
_{Memory Allocs}	_{26,047,242 (± 0.17%)}	_{26,009,395 (± 0.12%)}	_~	_25,922,471	_26,196,288	_{p=0.277 n=20}
_{Config Time}	_{0.009s (± 7.27%)}	_{0.008s (± 2.79%)}	_~	_0.008s	_0.009s	_{p=1.000 n=20}
_{Parse Time}	_{0.301s (± 2.75%)}	_{0.307s (± 2.18%)}	_~	_0.290s	_0.356s	_{p=0.073 n=20}
_{Bind Time}	_0.001s	_0.001s	_~	_~	_~	_{p=1.000 n=20}
_{Check Time}	_{3.248s (± 0.73%)}	_{3.259s (± 0.91%)}	_~	_3.141s	_3.425s	_{p=0.644 n=20}
_{Emit Time}	_{0.253s (± 1.74%)}	_{0.255s (± 2.20%)}	_~	_0.242s	_0.297s	_{p=0.481 n=20}
_{Total Time}	_{4.332s (± 0.61%)}	_{4.338s (± 0.69%)}	_~	_4.229s	_4.506s	_{p=0.815 n=20}
_{sentry - native}
_Errors	₂	₂	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_4,793,245	_4,793,245	_~	_~	_~	_{p=1.000 n=20}
_Types	_2,607,047	_2,607,047	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{2,880,216k (± 0.03%)}	_{2,880,858k (± 0.04%)}	_~	_2,877,985k	_2,886,321k	_{p=0.512 n=20}
_{Memory Allocs}	_{75,306,128 (± 0.31%)}	_{75,276,895 (± 0.17%)}	_~	_74,947,554	_75,838,153	_{p=0.883 n=20}
_{Config Time}	_{0.027s (± 1.05%)}	_{0.027s (± 1.28%)}	_{+0.001s (+ 2.07%)}	_0.026s	_0.029s	_{p=0.022 n=20}
_{Parse Time}	_{0.506s (± 6.06%)}	_{0.484s (± 3.05%)}	_~	_0.446s	_0.574s	_{p=0.365 n=20}
_{Bind Time}	_{0.191s (±10.97%)}	_{0.198s (± 9.79%)}	_~	_0.138s	_0.259s	_{p=0.784 n=20}
_{Check Time}	_{7.038s (± 0.90%)}	_{7.086s (± 1.04%)}	_~	_6.856s	_7.338s	_{p=0.433 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{7.816s (± 0.96%)}	_{7.851s (± 0.96%)}	_~	_7.635s	_8.119s	_{p=0.414 n=20}
_{social-app - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_1,883,074	_1,883,074	_~	_~	_~	_{p=1.000 n=20}
_Types	_1,158,170	_1,158,170	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{972,380k (± 0.01%)}	_{972,418k (± 0.01%)}	_~	_971,934k	_972,821k	_{p=0.703 n=20}
_{Memory Allocs}	_{13,579,818 (± 0.25%)}	_{13,616,612 (± 0.35%)}	_~	_13,517,715	_13,859,626	_{p=0.211 n=20}
_{Config Time}	_{0.008s (± 2.85%)}	_{0.008s (± 3.15%)}	_~	_0.007s	_0.008s	_{p=0.514 n=20}
_{Parse Time}	_{0.192s (±11.12%)}	_{0.187s (± 4.72%)}	_~	_0.168s	_0.256s	_{p=0.952 n=20}
_{Bind Time}	_{0.049s (±13.55%)}	_{0.049s (±10.20%)}	_~	_0.040s	_0.073s	_{p=0.236 n=20}
_{Check Time}	_{1.642s (± 0.68%)}	_{1.640s (± 0.75%)}	_~	_1.599s	_1.697s	_{p=0.878 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{1.910s (± 1.69%)}	_{1.903s (± 1.00%)}	_~	_1.867s	_2.051s	_{p=0.857 n=20}
_{strada-build-src - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_1,184,972	_1,184,972	_~	_~	_~	_{p=1.000 n=20}
_Types	_438,963	_438,963	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{1,168,730k (± 0.41%)}	_{1,167,402k (± 0.27%)}	_~	_1,156,860k	_1,185,064k	_{p=0.947 n=20}
_{Memory Allocs}	_{47,683,705 (± 0.13%)}	_{47,738,024 (± 0.10%)}	_~	_47,555,681	_47,906,175	_{p=0.174 n=20}
_{Config Time}	_{0.002s (±12.21%)}	_{0.002s (±15.95%)}	_~	_0.001s	_0.003s	_{p=0.406 n=20}
_{Parse Time}	_{0.139s (± 1.59%)}	_{0.142s (± 1.05%)}	_{+0.003s (+ 1.90%)}	_0.133s	_0.147s	_{p=0.043 n=20}
_{Bind Time}	_{0.000s (±208.60%)}	_{0.000s (±208.60%)}	_~	_0.000s	_0.001s	_{p=1.000 n=20}
_{Check Time}	_{0.813s (± 0.66%)}	_{0.819s (± 0.42%)}	_~	_0.800s	_0.834s	_{p=0.155 n=20}
_{Emit Time}	_{0.142s (± 2.15%)}	_{0.141s (± 0.84%)}	_~	_0.136s	_0.144s	_{p=0.984 n=20}
_{Total Time}	_{9.448s (± 0.50%)}	_{9.508s (± 0.33%)}	_{+0.061s (+ 0.64%)}	_9.394s	_9.657s	_{p=0.024 n=20}
_{strada-compiler - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_263,511	_263,511	_~	_~	_~	_{p=1.000 n=20}
_Types	_196,116	_196,116	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{224,607k (± 0.02%)}	_{224,578k (± 0.02%)}	_~	_224,406k	_224,726k	_{p=0.298 n=20}
_{Memory Allocs}	_{2,401,456 (± 0.02%)}	_{2,401,334 (± 0.01%)}	_~	_2,399,823	_2,403,121	_{p=0.820 n=20}
_{Config Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.051s (± 3.36%)}	_{0.051s (± 3.16%)}	_~	_0.044s	_0.056s	_{p=0.814 n=20}
_{Bind Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Check Time}	_{0.389s (± 1.08%)}	_{0.388s (± 0.79%)}	_~	_0.380s	_0.402s	_{p=0.963 n=20}
_{Emit Time}	_{0.051s (± 5.33%)}	_{0.048s (± 3.87%)}	_~	_0.042s	_0.056s	_{p=0.226 n=20}
_{Total Time}	_{0.519s (± 0.65%)}	_{0.514s (± 0.88%)}	_~	_0.492s	_0.531s	_{p=0.053 n=20}
_{t3code-server - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_4,350,661	_4,350,661	_~	_~	_~	_{p=1.000 n=20}
_Types	_3,040,647	_3,040,647	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{2,433,258k (± 0.02%)}	_{2,434,137k (± 0.05%)}	_~	_2,431,633k	_2,444,636k	_{p=0.369 n=20}
_{Memory Allocs}	_{37,368,567 (± 0.06%)}	_{37,376,673 (± 0.07%)}	_~	_37,307,425	_37,498,190	_{p=0.925 n=20}
_{Config Time}	_0.003s	_0.003s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.252s (± 4.92%)}	_{0.253s (± 2.09%)}	_~	_0.240s	_0.278s	_{p=0.208 n=20}
_{Bind Time}	_{0.088s (± 9.48%)}	_{0.080s (± 7.79%)}	_{🟩-0.007s (- 8.05%)}	_0.073s	_0.136s	_{p=0.037 n=20}
_{Check Time}	_{7.266s (± 0.65%)}	_{7.274s (± 0.99%)}	_~	_7.055s	_7.605s	_{p=0.995 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{7.620s (± 0.66%)}	_{7.621s (± 0.93%)}	_~	_7.424s	_7.936s	_{p=0.794 n=20}
_{tanstack-router - native}
_Errors	₁	₁	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_571,756	_571,756	_~	_~	_~	_{p=1.000 n=20}
_Types	_397,689	_397,689	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{331,453k (± 0.01%)}	_{331,411k (± 0.01%)}	_~	_331,209k	_331,610k	_{p=0.268 n=20}
_{Memory Allocs}	_{4,393,054 (± 0.16%)}	_{4,393,301 (± 0.16%)}	_~	_4,375,255	_4,418,116	_{p=0.841 n=20}
_{Config Time}	_0.001s	_0.001s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.041s (± 4.32%)}	_{0.040s (± 3.64%)}	_~	_0.035s	_0.045s	_{p=0.614 n=20}
_{Bind Time}	_{0.012s (± 9.90%)}	_{0.013s (±12.45%)}	_~	_0.010s	_0.021s	_{p=0.426 n=20}
_{Check Time}	_{0.557s (± 0.88%)}	_{0.557s (± 0.62%)}	_~	_0.542s	_0.574s	_{p=0.899 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{0.630s (± 0.73%)}	_{0.629s (± 0.74%)}	_~	_0.610s	_0.647s	_{p=0.763 n=20}
_{ts-pre-modules - native}
_Errors	₈₇	₈₇	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_231,616	_231,616	_~	_~	_~	_{p=1.000 n=20}
_Types	_181,195	_181,195	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{193,516k (± 0.02%)}	_{193,536k (± 0.01%)}	_~	_193,432k	_193,612k	_{p=0.274 n=20}
_{Memory Allocs}	_{1,318,351 (± 0.02%)}	_{1,318,286 (± 0.02%)}	_~	_1,317,576	_1,319,652	_{p=0.547 n=20}
_{Config Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.045s (± 2.67%)}	_{0.048s (± 2.72%)}	_{🔻+0.003s (+ 5.83%)}	_0.040s	_0.053s	_{p=0.001 n=20}
_{Bind Time}	_{0.024s (± 5.69%)}	_{0.024s (± 6.04%)}	_~	_0.018s	_0.030s	_{p=0.909 n=20}
_{Check Time}	_{0.365s (± 2.05%)}	_{0.362s (± 1.62%)}	_~	_0.338s	_0.400s	_{p=0.693 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{0.442s (± 1.64%)}	_{0.441s (± 1.46%)}	_~	_0.415s	_0.476s	_{p=0.815 n=20}
_{vscode - native}
_Errors	₁₁	₁₁	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_7,399,203	_7,399,203	_~	_~	_~	_{p=1.000 n=20}
_Types	_4,359,460	_4,359,460	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{5,150,226k (± 0.02%)}	_{5,150,138k (± 0.01%)}	_~	_5,147,648k	_5,154,015k	_{p=0.799 n=20}
_{Memory Allocs}	_{56,433,881 (± 0.03%)}	_{56,422,316 (± 0.02%)}	_~	_56,405,924	_56,480,183	_{p=0.883 n=20}
_{Config Time}	_{0.035s (± 0.89%)}	_{0.035s (± 0.85%)}	_~	_0.034s	_0.037s	_{p=0.837 n=20}
_{Parse Time}	_{0.891s (± 1.23%)}	_{0.899s (± 1.50%)}	_~	_0.855s	_0.957s	_{p=0.635 n=20}
_{Bind Time}	_{0.296s (± 1.23%)}	_{0.296s (± 1.29%)}	_~	_0.285s	_0.316s	_{p=0.783 n=20}
_{Check Time}	_{7.458s (± 0.74%)}	_{7.440s (± 0.63%)}	_~	_7.239s	_7.783s	_{p=0.482 n=20}
_{Emit Time}	_{2.651s (± 3.92%)}	_{2.658s (± 3.85%)}	_~	_2.526s	_3.407s	_{p=0.525 n=20}
_{Total Time}	_{11.387s (± 0.79%)}	_{11.385s (± 0.98%)}	_~	_11.184s	_12.124s	_{p=0.989 n=20}
_{webpack - native}
_Errors	₆₁₉	₆₁₉	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_925,723	_925,723	_~	_~	_~	_{p=1.000 n=20}
_Types	_643,578	_643,578	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{697,642k (± 0.02%)}	_{697,651k (± 0.02%)}	_~	_697,253k	_698,105k	_{p=0.820 n=20}
_{Memory Allocs}	_{6,555,801 (± 0.06%)}	_{6,553,991 (± 0.04%)}	_~	_6,547,404	_6,568,673	_{p=0.799 n=20}
_{Config Time}	_0.004s	_0.004s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.140s (± 3.63%)}	_{0.145s (± 3.02%)}	_~	_0.131s	_0.162s	_{p=0.198 n=20}
_{Bind Time}	_{0.050s (±12.03%)}	_{0.043s (± 7.78%)}	_{🟩-0.007s (-14.80%)}	_0.037s	_0.069s	_{p=0.024 n=20}
_{Check Time}	_{1.204s (± 0.70%)}	_{1.200s (± 0.36%)}	_~	_1.187s	_1.217s	_{p=0.387 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{1.422s (± 0.71%)}	_{1.415s (± 0.52%)}	_~	_1.391s	_1.441s	_{p=0.358 n=20}
_{xstate-main - native}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=20}
_Symbols	_640,490	_640,490	_~	_~	_~	_{p=1.000 n=20}
_Types	_387,988	_387,988	_~	_~	_~	_{p=1.000 n=20}
_{Memory Used}	_{350,953k (± 0.02%)}	_{350,980k (± 0.02%)}	_~	_350,707k	_351,336k	_{p=0.883 n=20}
_{Memory Allocs}	_{3,992,215 (± 0.07%)}	_{3,992,201 (± 0.08%)}	_~	_3,978,089	_4,011,599	_{p=0.947 n=20}
_{Config Time}	_0.001s	_0.001s	_~	_~	_~	_{p=1.000 n=20}
_{Parse Time}	_{0.061s (± 3.03%)}	_{0.063s (± 3.02%)}	_~	_0.055s	_0.069s	_{p=0.158 n=20}
_{Bind Time}	_{0.022s (±10.54%)}	_{0.021s (±10.55%)}	_~	_0.017s	_0.030s	_{p=0.766 n=20}
_{Check Time}	_{0.419s (± 1.12%)}	_{0.422s (± 1.28%)}	_~	_0.406s	_0.454s	_{p=0.524 n=20}
_{Emit Time}	_0.000s	_0.000s	_~	_~	_~	_{p=1.000 n=20}
_{Total Time}	_{0.508s (± 1.28%)}	_{0.512s (± 1.15%)}	_~	_0.491s	_0.547s	_{p=0.365 n=20}

System info unknown

Hosts

native

Scenarios

Compiler-Unions - native
angular-1 - native
arktype - native
class-transformer - native
effect - native
mui-docs - native
sentry - native
social-app - native
strada-build-src - native
strada-compiler - native
t3code-server - native
tanstack-router - native
ts-pre-modules - native
vscode - native
webpack - native
xstate-main - native

_Benchmark	_Name	_Iterations
_Current	_pr	₂₀
_Baseline	_baseline	₂₀

Developer Information:

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Jake Bailey (jakebailey) · 2026-10-28T23:42:35Z

Hm, benchmarker does not understand this

Report process CPU time in extended diagnostics

8acf6b9

Wall-clock timings include time spent waiting for other processes and I/O. Process CPU time provides a complementary measure of compiler work across all threads without counting time spent executing unrelated processes.

typescript-automation Bot assigned Jake Bailey (jakebailey) Oct 28, 2026

typescript-automation Bot added Author: Team For Uncommitted Bug PR for untriaged, rejected, closed or missing bug labels Oct 28, 2026

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Report process CPU time in extended diagnostics - #65003

Report process CPU time in extended diagnostics#65003
Jake Bailey (jakebailey) wants to merge 1 commit into
microsoft:mainfrom
jakebailey:process-cpu-time

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