Micro Timings

Focused single-file, generated, and solver stress timings for isolating compiler hot spots after the full-project pass. These rows are not product speedup claims; fixed startup, lib loading, and import-graph behavior can dominate small inputs.

tsz tsgo

utility-types files piotrwitek/utility-types

Real-world utility-types file-level benchmark set from pinned snapshot.

library file · 650 lines · 17 KB

Single-file type-check from utility-types with real-world helper types.

tsz
69ms
tsgo
363ms
tsz 5.3x faster
View details
library file · 175 lines · 5 KB

Single-file type-check from utility-types with real-world helper types.

tsz
74ms
tsgo
363ms
tsz 4.9x faster
View details
library file · 103 lines · 3 KB

Single-file type-check from utility-types with real-world helper types.

tsz
48ms
tsgo
363ms
tsz 7.5x faster
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library file · 69 lines · 1 KB

Single-file type-check from utility-types with real-world helper types.

tsz
74ms
tsgo
365ms
tsz 4.9x faster
View details

ts-toolbelt files millsp/ts-toolbelt

Real-world ts-toolbelt file-level benchmark set with type-heavy examples.

library file · 215 lines · 8 KB

Single-file type-check from ts-toolbelt with real-world helper types.

tsz
70ms
tsgo
385ms
tsz 5.5x faster
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library file · 82 lines · 1 KB

Single-file type-check from ts-toolbelt with real-world helper types.

tsz
69ms
tsgo
387ms
tsz 5.6x faster
View details
library file · 61 lines · 1 KB

Single-file type-check from ts-toolbelt with real-world helper types.

tsz
89ms
tsgo
398ms
tsz 4.5x faster
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library file · 47 lines · 0 KB

Single-file type-check from ts-toolbelt with real-world helper types.

tsz
96ms
tsgo
398ms
tsz 4.1x faster
View details

ts-essentials files ts-essentials/ts-essentials

Real-world ts-essentials file-level benchmark set from pinned snapshot.

library file · 2,717 lines · 44 KB

Single-file type-check from ts-essentials with real-world helper types.

tsz
49ms
tsgo
100ms
tsz 2.0x faster
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library file · 101 lines · 3 KB

Single-file type-check from ts-essentials with real-world helper types.

tsz
49ms
tsgo
85ms
tsz 1.7x faster
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library file · 47 lines · 1 KB

Single-file type-check from ts-essentials with real-world helper types.

tsz
41ms
tsgo
83ms
tsz 2.0x faster
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library file · 39 lines · 1 KB

Single-file type-check from ts-essentials with real-world helper types.

tsz
47ms
tsgo
88ms
tsz 1.9x faster
View details

Compiler scenarios

Focused compiler behavior on representative mixed workloads.

benchmark · 893 lines · 27 KB

Control-flow graph construction and narrowing analysis.

tsz
546ms
tsgo
1.2s
tsz 2.1x faster
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benchmark · 819 lines · 321 KB

No-emit type-check timing for constraint conflicts n=200.

tsz
148ms
tsgo
465ms
tsz 3.1x faster
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benchmark · 684 lines · 13 KB

No-emit type-check timing for infer stress n=30.

tsz
97ms
tsgo
503ms
tsz 5.2x faster
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benchmark · 603 lines · 18 KB

Control-flow graph construction and narrowing analysis.

tsz
254ms
tsgo
688ms
tsz 2.7x faster
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benchmark · 514 lines · 10 KB

No-emit type-check timing for infer stress n=25.

tsz
94ms
tsgo
515ms
tsz 5.5x faster
View details
benchmark · 428 lines · 36 KB

No-emit type-check timing for bct candidates=200.

tsz
144ms
tsgo
593ms
tsz 4.1x faster
View details
benchmark · 419 lines · 89 KB

No-emit type-check timing for constraint conflicts n=100.

tsz
84ms
tsgo
413ms
tsz 4.9x faster
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benchmark · 313 lines · 9 KB

Control-flow graph construction and narrowing analysis.

tsz
126ms
tsgo
515ms
tsz 4.1x faster
View details
benchmark · 289 lines · 4 KB

No-emit type-check timing for intersection n=45.

tsz
87ms
tsgo
495ms
tsz 5.7x faster
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benchmark · 252 lines · 7 KB

No-emit type-check timing for mapped complex template keys=200.

tsz
73ms
tsgo
366ms
tsz 5.0x faster
View details
benchmark · 249 lines · 5 KB

No-emit type-check timing for infer stress n=15.

tsz
90ms
tsgo
506ms
tsz 5.6x faster
View details
benchmark · 229 lines · 3 KB

No-emit type-check timing for intersection n=35.

tsz
86ms
tsgo
501ms
tsz 5.8x faster
View details
benchmark · 228 lines · 17 KB

No-emit type-check timing for bct candidates=100.

tsz
114ms
tsgo
524ms
tsz 4.6x faster
View details
benchmark · 219 lines · 28 KB

No-emit type-check timing for constraint conflicts n=50.

tsz
67ms
tsgo
401ms
tsz 6.0x faster
View details
benchmark · 158 lines · 2 KB

No-emit type-check timing for template literal n=45.

tsz
451ms
tsgo
651ms
tsz 1.4x faster
View details
benchmark · 152 lines · 5 KB

No-emit type-check timing for mapped complex template keys=100.

tsz
62ms
tsgo
363ms
tsz 5.9x faster
View details
benchmark · 139 lines · 2 KB

No-emit type-check timing for intersection n=20.

tsz
87ms
tsgo
490ms
tsz 5.6x faster
View details
benchmark · 128 lines · 9 KB

No-emit type-check timing for bct candidates=50.

tsz
99ms
tsgo
495ms
tsz 5.0x faster
View details
benchmark · 128 lines · 2 KB

No-emit type-check timing for template literal n=35.

tsz
230ms
tsgo
569ms
tsz 2.5x faster
View details
benchmark · 102 lines · 3 KB

No-emit type-check timing for mapped complex template keys=50.

tsz
58ms
tsgo
365ms
tsz 6.3x faster
View details
benchmark · 101 lines · 3 KB

No-emit type-check timing for deep subtype depth=60.

tsz
95ms
tsgo
521ms
tsz 5.5x faster
View details
benchmark · 101 lines · 3 KB

No-emit type-check timing for deep subtype depth=90.

tsz
95ms
tsgo
527ms
tsz 5.6x faster
View details
benchmark · 99 lines · 7 KB

No-emit type-check timing for constraint conflicts n=20.

tsz
59ms
tsgo
394ms
tsz 6.6x faster
View details
benchmark · 83 lines · 1 KB

No-emit type-check timing for template literal n=20.

tsz
107ms
tsgo
509ms
tsz 4.8x faster
View details
benchmark · 81 lines · 2 KB

No-emit type-check timing for deep subtype depth=30.

tsz
91ms
tsgo
506ms
tsz 5.5x faster
View details
benchmark · 78 lines · 5 KB

No-emit type-check timing for bct candidates=25.

tsz
93ms
tsgo
501ms
tsz 5.4x faster
View details
benchmark · 77 lines · 3 KB

No-emit type-check timing for mapped complex template keys=25.

tsz
58ms
tsgo
371ms
tsz 6.4x faster
View details
benchmark · 53 lines · 2 KB

Generated fixture that type-checks typed-array constructor and from() overload surfaces.

tsz
112ms
tsgo
494ms
tsz 4.4x faster
View details

Generated type workloads

Generated stress tests that isolate specific type-system patterns.

synthetic · 16,424 lines · 4,112 KB

Mapped-type and property traversal behavior in the solver.

tsz
787ms
tsgo
2.6s
tsz 3.3x faster
View details
synthetic · 16,420 lines · 4,112 KB

Mapped-type and property traversal behavior in the solver.

tsz
726ms
tsgo
2.6s
tsz 3.6x faster
View details
synthetic · 9,203 lines · 162 KB

Class declaration binding plus constructor/member shape checking.

tsz
252ms
tsgo
510ms
tsz 2.0x faster
View details
synthetic · 4,611 lines · 143 KB

Generic signature checking and type-parameter environment setup.

tsz
439ms
tsgo
564ms
tsz 1.3x faster
View details
synthetic · 4,603 lines · 81 KB

Class declaration binding plus constructor/member shape checking.

tsz
171ms
tsgo
501ms
tsz 2.9x faster
View details
synthetic · 2,311 lines · 71 KB

Generic signature checking and type-parameter environment setup.

tsz
256ms
tsgo
532ms
tsz 2.1x faster
View details
synthetic · 2,303 lines · 40 KB

Class declaration binding plus constructor/member shape checking.

tsz
136ms
tsgo
507ms
tsz 3.7x faster
View details
synthetic · 1,161 lines · 35 KB

Generic signature checking and type-parameter environment setup.

tsz
165ms
tsgo
509ms
tsz 3.1x faster
View details
synthetic · 491 lines · 24 KB

Union construction, reduction, and assignability checks.

tsz
135ms
tsgo
508ms
tsz 3.8x faster
View details
synthetic · 471 lines · 14 KB

Generic signature checking and type-parameter environment setup.

tsz
119ms
tsgo
515ms
tsz 4.3x faster
View details
synthetic · 463 lines · 8 KB

Class declaration binding plus constructor/member shape checking.

tsz
107ms
tsgo
490ms
tsz 4.6x faster
View details
synthetic · 251 lines · 12 KB

Union construction, reduction, and assignability checks.

tsz
98ms
tsgo
501ms
tsz 5.1x faster
View details
synthetic · 131 lines · 6 KB

Union construction, reduction, and assignability checks.

tsz
86ms
tsgo
505ms
tsz 5.9x faster
View details

Project hotspot probes

Focused synthetic rows that isolate hot patterns found in real project benchmark regressions.

hotspot · 5,804 lines · 161 KB

Recursive utility alias applications that stress generic instantiation, substitution, and cache reuse.

tsz
652ms
tsgo
862ms
tsz 1.3x faster
View details
hotspot · 2,924 lines · 80 KB

Recursive utility alias applications that stress generic instantiation, substitution, and cache reuse.

tsz
315ms
tsgo
615ms
tsz 2.0x faster
View details
hotspot · 2,808 lines · 84 KB

Object spread inference and property merging from project-style update pipelines.

tsz
157ms
tsgo
395ms
tsz 2.5x faster
View details
hotspot · 1,408 lines · 41 KB

Object spread inference and property merging from project-style update pipelines.

tsz
89ms
tsgo
380ms
tsz 4.3x faster
View details
hotspot · 708 lines · 20 KB

Object spread inference and property merging from project-style update pipelines.

tsz
70ms
tsgo
383ms
tsz 5.5x faster
View details
hotspot · 613 lines · 31 KB

Mapped-type key remapping with accessor-like property surfaces.

tsz
139ms
tsgo
386ms
tsz 2.8x faster
View details
hotspot · 417 lines · 33 KB

Indexed access over mapped reader helpers, a reduced shape from project-row property access pressure.

tsz
134ms
tsgo
373ms
tsz 2.8x faster
View details
hotspot · 361 lines · 19 KB

Conditional infer extraction chains that probe repeated evaluation and inference reuse.

tsz
8s
tsgo
368ms
tsgo 21.7x faster
View details
hotspot · 358 lines · 10 KB

Object spread inference and property merging from project-style update pipelines.

tsz
62ms
tsgo
387ms
tsz 6.3x faster
View details
hotspot · 313 lines · 15 KB

Mapped-type key remapping with accessor-like property surfaces.

tsz
78ms
tsgo
368ms
tsz 4.7x faster
View details
hotspot · 217 lines · 16 KB

Indexed access over mapped reader helpers, a reduced shape from project-row property access pressure.

tsz
84ms
tsgo
378ms
tsz 4.5x faster
View details
hotspot · 186 lines · 10 KB

Conditional infer extraction chains that probe repeated evaluation and inference reuse.

tsz
4s
tsgo
373ms
tsgo 10.8x faster
View details
hotspot · 163 lines · 8 KB

Mapped-type key remapping with accessor-like property surfaces.

tsz
61ms
tsgo
368ms
tsz 6.0x faster
View details
hotspot · 117 lines · 8 KB

Indexed access over mapped reader helpers, a reduced shape from project-row property access pressure.

tsz
64ms
tsgo
368ms
tsz 5.7x faster
View details
hotspot · 88 lines · 4 KB

Mapped-type key remapping with accessor-like property surfaces.

tsz
55ms
tsgo
362ms
tsz 6.6x faster
View details
hotspot · 67 lines · 4 KB

Indexed access over mapped reader helpers, a reduced shape from project-row property access pressure.

tsz
58ms
tsgo
364ms
tsz 6.3x faster
View details

Solver stress

Upper-bound tests for recursive, mapped, and conditional type complexity.

solver stress · 481 lines · 10 KB

Mapped-type and property traversal behavior in the solver.

tsz
124ms
tsgo
505ms
tsz 4.1x faster
View details
solver stress · 331 lines · 7 KB

Mapped-type and property traversal behavior in the solver.

tsz
109ms
tsgo
507ms
tsz 4.6x faster
View details
solver stress · 131 lines · 2 KB

Mapped-type and property traversal behavior in the solver.

tsz
92ms
tsgo
501ms
tsz 5.4x faster
View details
solver stress · 127 lines · 2 KB

Distributive conditional types over broad unions.

tsz
91ms
tsgo
504ms
tsz 5.5x faster
View details
solver stress · 112 lines · 2 KB

Distributive conditional types over broad unions.

tsz
91ms
tsgo
501ms
tsz 5.5x faster
View details
solver stress · 82 lines · 1 KB

Distributive conditional types over broad unions.

tsz
89ms
tsgo
502ms
tsz 5.6x faster
View details
solver stress · 64 lines · 2 KB

Recursive generic instantiation and cache behavior under deep type expansion.

tsz
95ms
tsgo
499ms
tsz 5.3x faster
View details
solver stress · 54 lines · 2 KB

Recursive generic instantiation and cache behavior under deep type expansion.

tsz
95ms
tsgo
498ms
tsz 5.2x faster
View details
solver stress · 39 lines · 1 KB

Recursive generic instantiation and cache behavior under deep type expansion.

tsz
89ms
tsgo
489ms
tsz 5.5x faster
View details

Incomplete timings

Rows recorded by CI without a full tsz and tsgo timing pair.