Make Signature monomorphic

[dragomirtitian]

Part of #58928 - Only make signatures monomorphic.

[jakebailey]

@typescript-bot perf test this

[typescript-bot]

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

Command	Status	Results
perf test this	✅ Started	👀 Results

[typescript-bot]

@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	193,434k (± 0.94%)	193,349k (± 0.94%)	~	192,087k	195,686k	p=0.298 n=6
Parse Time	1.30s (± 0.40%)	1.30s (± 0.63%)	~	1.29s	1.31s	p=0.929 n=6
Bind Time	0.71s	0.71s	~	~	~	p=1.000 n=6
Check Time	9.46s (± 0.34%)	9.41s (± 0.27%)	-0.05s (- 0.56%)	9.39s	9.45s	p=0.019 n=6
Emit Time	2.75s (± 0.63%)	2.73s (± 0.45%)	~	2.72s	2.75s	p=0.188 n=6
Total Time	14.22s (± 0.25%)	14.16s (± 0.14%)	-0.06s (- 0.45%)	14.13s	14.18s	p=0.013 n=6
angular-1 - node (v18.15.0, x64)
Errors	5	5	~	~	~	p=1.000 n=6
Symbols	944,114	944,114	~	~	~	p=1.000 n=6
Types	407,050	407,050	~	~	~	p=1.000 n=6
Memory used	1,218,377k (± 0.00%)	1,217,450k (± 0.00%)	-927k (- 0.08%)	1,217,400k	1,217,506k	p=0.005 n=6
Parse Time	7.99s (± 0.82%)	7.98s (± 0.30%)	~	7.95s	8.01s	p=0.935 n=6
Bind Time	2.23s (± 0.55%)	2.24s (± 0.77%)	~	2.22s	2.26s	p=0.157 n=6
Check Time	35.90s (± 0.44%)	35.28s (± 0.44%)	-0.62s (- 1.72%)	35.14s	35.53s	p=0.005 n=6
Emit Time	16.18s (± 0.29%)	16.14s (± 0.88%)	~	15.93s	16.35s	p=0.296 n=6
Total Time	62.29s (± 0.26%)	61.63s (± 0.23%)	-0.66s (- 1.06%)	61.48s	61.88s	p=0.005 n=6
mui-docs - node (v18.15.0, x64)
Errors	0	0	~	~	~	p=1.000 n=6
Symbols	2,130,343	2,130,343	~	~	~	p=1.000 n=6
Types	927,684	927,684	~	~	~	p=1.000 n=6
Memory used	2,107,262k (± 0.00%)	2,106,585k (± 0.00%)	-677k (- 0.03%)	2,106,545k	2,106,627k	p=0.005 n=6
Parse Time	6.62s (± 0.32%)	6.62s (± 0.35%)	~	6.58s	6.64s	p=0.623 n=6
Bind Time	2.33s (± 0.42%)	2.32s (± 0.35%)	~	2.31s	2.33s	p=0.181 n=6
Check Time	70.79s (± 0.45%)	70.48s (± 0.31%)	~	70.17s	70.77s	p=0.065 n=6
Emit Time	0.13s (± 3.87%)	0.14s (± 4.05%)	~	0.13s	0.14s	p=0.640 n=6
Total Time	79.87s (± 0.39%)	79.56s (± 0.29%)	-0.31s (- 0.39%)	79.27s	79.85s	p=0.044 n=6
self-build-src - node (v18.15.0, x64)
Errors	0	0	~	~	~	p=1.000 n=6
Symbols	1,225,588	1,226,038	+450 (+ 0.04%)	~	~	p=0.001 n=6
Types	261,474	261,486	+12 (+ 0.00%)	~	~	p=0.001 n=6
Memory used	2,341,817k (± 0.03%)	2,341,437k (± 0.07%)	~	2,339,612k	2,343,777k	p=0.575 n=6
Parse Time	6.02s (± 0.79%)	6.05s (± 0.91%)	~	5.99s	6.13s	p=0.575 n=6
Bind Time	2.25s (± 0.46%)	2.26s (± 0.67%)	~	2.24s	2.28s	p=0.517 n=6
Check Time	40.37s (± 0.81%)	39.69s (± 0.86%)	-0.68s (- 1.68%)	39.27s	40.24s	p=0.013 n=6
Emit Time	3.05s (± 2.91%)	3.20s (± 1.42%)	🔻+0.15s (+ 4.80%)	3.14s	3.27s	p=0.013 n=6
Total Time	51.73s (± 0.86%)	51.22s (± 0.68%)	~	50.85s	51.76s	p=0.066 n=6
self-build-src-public-api - node (v18.15.0, x64)
Errors	0	0	~	~	~	p=1.000 n=6
Symbols	1,225,588	1,226,038	+450 (+ 0.04%)	~	~	p=0.001 n=6
Types	261,474	261,486	+12 (+ 0.00%)	~	~	p=0.001 n=6
Memory used	2,415,051k (± 0.03%)	2,417,086k (± 0.18%)	~	2,413,763k	2,422,674k	p=0.936 n=6
Parse Time	5.20s (± 1.08%)	5.19s (± 0.90%)	~	5.13s	5.26s	p=0.748 n=6
Bind Time	1.70s (± 0.61%)	1.69s (± 0.48%)	~	1.68s	1.70s	p=0.112 n=6
Check Time	34.60s (± 0.30%)	34.05s (± 0.33%)	-0.54s (- 1.57%)	33.89s	34.17s	p=0.005 n=6
Emit Time	2.69s (± 5.31%)	2.71s (± 2.43%)	~	2.63s	2.82s	p=0.128 n=6
Total Time	44.18s (± 0.48%)	43.66s (± 0.32%)	-0.52s (- 1.17%)	43.48s	43.81s	p=0.005 n=6
self-compiler - node (v18.15.0, x64)
Errors	0	0	~	~	~	p=1.000 n=6
Symbols	258,188	258,235	+47 (+ 0.02%)	~	~	p=0.001 n=6
Types	104,737	104,744	+7 (+ 0.01%)	~	~	p=0.001 n=6
Memory used	427,463k (± 0.01%)	427,322k (± 0.01%)	-141k (- 0.03%)	427,270k	427,373k	p=0.005 n=6
Parse Time	2.71s (± 0.71%)	2.70s (± 1.86%)	~	2.60s	2.75s	p=0.935 n=6
Bind Time	1.10s (± 1.24%)	1.11s (± 2.70%)	~	1.09s	1.17s	p=0.370 n=6
Check Time	15.14s (± 0.33%)	14.88s (± 0.36%)	-0.26s (- 1.72%)	14.81s	14.97s	p=0.005 n=6
Emit Time	1.07s (± 1.84%)	1.06s (± 1.73%)	~	1.04s	1.09s	p=0.564 n=6
Total Time	20.01s (± 0.35%)	19.74s (± 0.30%)	-0.27s (- 1.35%)	19.67s	19.82s	p=0.005 n=6
ts-pre-modules - node (v18.15.0, x64)
Errors	35	35	~	~	~	p=1.000 n=6
Symbols	224,565	224,565	~	~	~	p=1.000 n=6
Types	93,734	93,734	~	~	~	p=1.000 n=6
Memory used	369,561k (± 0.04%)	369,300k (± 0.02%)	-261k (- 0.07%)	369,181k	369,373k	p=0.005 n=6
Parse Time	2.31s (± 0.45%)	2.30s (± 0.93%)	~	2.26s	2.32s	p=0.211 n=6
Bind Time	1.32s (± 0.57%)	1.32s (± 1.48%)	~	1.29s	1.35s	p=0.672 n=6
Check Time	13.14s (± 0.19%)	12.87s (± 0.25%)	-0.27s (- 2.04%)	12.81s	12.90s	p=0.005 n=6
Emit Time	0.00s	0.00s	~	~	~	p=1.000 n=6
Total Time	16.77s (± 0.13%)	16.49s (± 0.27%)	-0.29s (- 1.72%)	16.44s	16.54s	p=0.005 n=6
vscode - node (v18.15.0, x64)
Errors	0	0	~	~	~	p=1.000 n=6
Symbols	2,884,910	2,884,910	~	~	~	p=1.000 n=6
Types	976,550	976,550	~	~	~	p=1.000 n=6
Memory used	3,047,989k (± 0.00%)	3,046,090k (± 0.00%)	-1,899k (- 0.06%)	3,046,056k	3,046,192k	p=0.005 n=6
Parse Time	16.88s (± 0.16%)	16.93s (± 0.09%)	+0.05s (+ 0.31%)	16.90s	16.94s	p=0.010 n=6
Bind Time	5.12s (± 2.01%)	5.13s (± 1.81%)	~	5.06s	5.31s	p=0.872 n=6
Check Time	91.71s (± 2.83%)	89.22s (± 2.12%)	~	87.92s	92.83s	p=0.066 n=6
Emit Time	26.89s (± 9.23%)	28.20s (± 6.75%)	~	24.59s	29.44s	p=0.377 n=6
Total Time	140.60s (± 0.14%)	139.47s (± 0.21%)	-1.13s (- 0.80%)	139.16s	139.98s	p=0.005 n=6
webpack - node (v18.15.0, x64)
Errors	0	0	~	~	~	p=1.000 n=6
Symbols	267,117	267,117	~	~	~	p=1.000 n=6
Types	108,775	108,775	~	~	~	p=1.000 n=6
Memory used	411,617k (± 0.02%)	411,235k (± 0.01%)	-382k (- 0.09%)	411,187k	411,323k	p=0.005 n=6
Parse Time	4.70s (± 0.59%)	4.69s (± 0.29%)	~	4.66s	4.70s	p=0.460 n=6
Bind Time	2.07s (± 0.56%)	2.08s (± 0.80%)	~	2.06s	2.10s	p=0.222 n=6
Check Time	20.77s (± 0.44%)	20.44s (± 0.39%)	-0.33s (- 1.57%)	20.35s	20.55s	p=0.005 n=6
Emit Time	0.00s	0.00s	~	~	~	p=1.000 n=6
Total Time	27.54s (± 0.44%)	27.21s (± 0.32%)	-0.33s (- 1.19%)	27.12s	27.34s	p=0.005 n=6
xstate-main - node (v18.15.0, x64)
Errors	0	0	~	~	~	p=1.000 n=6
Symbols	525,251	525,251	~	~	~	p=1.000 n=6
Types	178,574	178,574	~	~	~	p=1.000 n=6
Memory used	462,616k (± 0.05%)	462,641k (± 0.07%)	~	462,210k	462,979k	p=0.936 n=6
Parse Time	3.93s (± 0.41%)	3.94s (± 0.71%)	~	3.91s	3.97s	p=0.870 n=6
Bind Time	1.45s (± 0.68%)	1.45s (± 0.62%)	~	1.44s	1.46s	p=0.931 n=6
Check Time	22.17s (± 0.46%)	22.03s (± 0.55%)	~	21.91s	22.20s	p=0.093 n=6
Emit Time	0.00s	0.00s (±154.76%)	~	0.00s	0.01s	p=0.174 n=6
Total Time	27.55s (± 0.35%)	27.42s (± 0.41%)	~	27.31s	27.57s	p=0.127 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

tsserver

Comparison Report - baseline..pr

Metric	baseline	pr	Delta	Best	Worst	p-value
Compiler-UnionsTSServer - node (v18.15.0, x64)
Req 1 - updateOpen	2,915ms (± 9.64%)	2,880ms (± 9.19%)	~	2,743ms	3,419ms	p=0.748 n=6
Req 2 - geterr	6,950ms (± 9.50%)	7,108ms (± 6.97%)	~	6,097ms	7,352ms	p=0.471 n=6
Req 3 - references	369ms (±10.44%)	371ms (±10.46%)	~	321ms	402ms	p=0.683 n=6
Req 4 - navto	340ms (± 0.55%)	329ms (± 7.60%)	~	279ms	342ms	p=0.567 n=6
Req 5 - completionInfo count	1,357	1,357	~	~	~	p=1.000 n=6
Req 5 - completionInfo	131ms (± 0.39%)	132ms (± 2.51%)	~	130ms	139ms	p=0.928 n=6
CompilerTSServer - node (v18.15.0, x64)
Req 1 - updateOpen	3,562ms (± 0.57%)	3,598ms (± 1.26%)	~	3,548ms	3,672ms	p=0.173 n=6
Req 2 - geterr	5,551ms (± 0.77%)	5,446ms (± 0.72%)	-105ms (- 1.88%)	5,399ms	5,510ms	p=0.008 n=6
Req 3 - references	413ms (± 0.52%)	413ms (± 0.18%)	~	412ms	414ms	p=0.397 n=6
Req 4 - navto	334ms (± 0.62%)	336ms (± 0.56%)	~	334ms	339ms	p=0.210 n=6
Req 5 - completionInfo count	1,519	1,519	~	~	~	p=1.000 n=6
Req 5 - completionInfo	109ms (± 2.95%)	108ms (± 2.61%)	~	102ms	109ms	p=0.090 n=6
xstate-main-1-tsserver - node (v18.15.0, x64)
Req 1 - updateOpen	5,187ms (± 0.66%)	5,195ms (± 0.38%)	~	5,166ms	5,212ms	p=0.936 n=6
Req 2 - geterr	1,124ms (± 1.19%)	1,127ms (± 1.52%)	~	1,100ms	1,147ms	p=0.689 n=6
Req 3 - references	76ms (± 3.67%)	76ms (± 3.15%)	~	75ms	81ms	p=1.000 n=6
Req 4 - navto	457ms (± 0.14%)	457ms (± 0.51%)	~	456ms	462ms	p=0.485 n=6
Req 5 - completionInfo count	3,413	3,413	~	~	~	p=1.000 n=6
Req 5 - completionInfo	833ms (± 1.86%)	827ms (± 1.52%)	~	809ms	843ms	p=0.689 n=6

System info unknown

Hosts

• node (v18.15.0, x64)

Scenarios

• CompilerTSServer - node (v18.15.0, x64)
• Compiler-UnionsTSServer - node (v18.15.0, x64)
• xstate-main-1-tsserver - node (v18.15.0, x64)

Benchmark	Name	Iterations
Current	pr	6
Baseline	baseline	6

startup

Comparison Report - baseline..pr

Metric	baseline	pr	Delta	Best	Worst	p-value
tsc-startup - node (v18.15.0, x64)
Execution time	187.57ms (± 0.17%)	187.69ms (± 0.20%)	+0.12ms (+ 0.06%)	185.91ms	193.38ms	p=0.006 n=600
tsserver-startup - node (v18.15.0, x64)
Execution time	230.74ms (± 0.14%)	231.09ms (± 0.15%)	+0.36ms (+ 0.16%)	229.56ms	238.01ms	p=0.000 n=600
tsserverlibrary-startup - node (v18.15.0, x64)
Execution time	226.17ms (± 0.14%)	226.34ms (± 0.15%)	+0.17ms (+ 0.08%)	224.78ms	230.61ms	p=0.000 n=600
typescript-startup - node (v18.15.0, x64)
Execution time	334.89ms (± 0.30%)	335.10ms (± 0.31%)	+0.21ms (+ 0.06%)	326.96ms	343.11ms	p=0.000 n=600

System info unknown

Hosts

• node (v18.15.0, x64)

Scenarios

• tsc-startup - node (v18.15.0, x64)
• tsserver-startup - node (v18.15.0, x64)
• tsserverlibrary-startup - node (v18.15.0, x64)
• typescript-startup - node (v18.15.0, x64)

Benchmark	Name	Iterations
Current	pr	6
Baseline	baseline	6

Developer Information:

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