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
63ms
tsgo
324ms
tsz 5.2x faster
View details
library file · 175 lines · 5 KB

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

tsz
66ms
tsgo
321ms
tsz 4.8x faster
View details
library file · 103 lines · 3 KB

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

tsz
41ms
tsgo
327ms
tsz 7.9x faster
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library file · 69 lines · 1 KB

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

tsz
68ms
tsgo
328ms
tsz 4.8x 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
50ms
tsgo
339ms
tsz 6.8x faster
View details
library file · 82 lines · 1 KB

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

tsz
49ms
tsgo
334ms
tsz 6.9x faster
View details
library file · 61 lines · 1 KB

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

tsz
68ms
tsgo
341ms
tsz 5.0x faster
View details
library file · 47 lines · 0 KB

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

tsz
76ms
tsgo
339ms
tsz 4.5x 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
38ms
tsgo
84ms
tsz 2.2x faster
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library file · 101 lines · 3 KB

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

tsz
39ms
tsgo
74ms
tsz 1.9x faster
View details
library file · 47 lines · 1 KB

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

tsz
30ms
tsgo
75ms
tsz 2.5x faster
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library file · 39 lines · 1 KB

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

tsz
32ms
tsgo
73ms
tsz 2.3x faster
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Compiler scenarios

Focused compiler behavior on representative mixed workloads.

benchmark · 893 lines · 27 KB

Control-flow graph construction and narrowing analysis.

tsz
421ms
tsgo
532ms
tsz 1.3x faster
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benchmark · 819 lines · 321 KB

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

tsz
133ms
tsgo
342ms
tsz 2.6x faster
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benchmark · 684 lines · 13 KB

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

tsz
54ms
tsgo
331ms
tsz 6.1x faster
View details
benchmark · 603 lines · 18 KB

Control-flow graph construction and narrowing analysis.

tsz
185ms
tsgo
349ms
tsz 1.9x faster
View details
benchmark · 514 lines · 10 KB

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

tsz
52ms
tsgo
318ms
tsz 6.1x faster
View details
benchmark · 428 lines · 36 KB

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

tsz
89ms
tsgo
328ms
tsz 3.7x faster
View details
benchmark · 419 lines · 89 KB

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

tsz
72ms
tsgo
325ms
tsz 4.5x faster
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benchmark · 313 lines · 9 KB

Control-flow graph construction and narrowing analysis.

tsz
81ms
tsgo
335ms
tsz 4.1x faster
View details
benchmark · 289 lines · 4 KB

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

tsz
46ms
tsgo
319ms
tsz 6.9x faster
View details
benchmark · 252 lines · 7 KB

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

tsz
71ms
tsgo
321ms
tsz 4.5x faster
View details
benchmark · 249 lines · 5 KB

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

tsz
51ms
tsgo
341ms
tsz 6.7x faster
View details
benchmark · 229 lines · 3 KB

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

tsz
46ms
tsgo
322ms
tsz 7.0x faster
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benchmark · 228 lines · 17 KB

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

tsz
64ms
tsgo
329ms
tsz 5.2x faster
View details
benchmark · 219 lines · 28 KB

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

tsz
57ms
tsgo
332ms
tsz 5.8x faster
View details
benchmark · 158 lines · 2 KB

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

tsz
245ms
tsgo
362ms
tsz 1.5x faster
View details
benchmark · 152 lines · 5 KB

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

tsz
59ms
tsgo
317ms
tsz 5.4x faster
View details
benchmark · 139 lines · 2 KB

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

tsz
46ms
tsgo
323ms
tsz 7.0x faster
View details
benchmark · 128 lines · 9 KB

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

tsz
56ms
tsgo
317ms
tsz 5.7x faster
View details
benchmark · 128 lines · 2 KB

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

tsz
132ms
tsgo
361ms
tsz 2.7x faster
View details
benchmark · 102 lines · 3 KB

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

tsz
53ms
tsgo
319ms
tsz 6.0x faster
View details
benchmark · 101 lines · 3 KB

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

tsz
55ms
tsgo
342ms
tsz 6.2x faster
View details
benchmark · 101 lines · 3 KB

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

tsz
54ms
tsgo
333ms
tsz 6.1x faster
View details
benchmark · 99 lines · 7 KB

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

tsz
49ms
tsgo
327ms
tsz 6.7x faster
View details
benchmark · 83 lines · 1 KB

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

tsz
60ms
tsgo
326ms
tsz 5.5x faster
View details
benchmark · 81 lines · 2 KB

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

tsz
51ms
tsgo
336ms
tsz 6.6x faster
View details
benchmark · 78 lines · 5 KB

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

tsz
51ms
tsgo
328ms
tsz 6.4x faster
View details
benchmark · 77 lines · 3 KB

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

tsz
51ms
tsgo
326ms
tsz 6.4x faster
View details
benchmark · 53 lines · 2 KB

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

tsz
59ms
tsgo
329ms
tsz 5.6x 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
695ms
tsgo
1.2s
tsz 1.8x faster
View details
synthetic · 16,420 lines · 4,112 KB

Mapped-type and property traversal behavior in the solver.

tsz
548ms
tsgo
1.3s
tsz 2.4x faster
View details
synthetic · 9,203 lines · 162 KB

Class declaration binding plus constructor/member shape checking.

tsz
164ms
tsgo
332ms
tsz 2.0x faster
View details
synthetic · 4,611 lines · 143 KB

Generic signature checking and type-parameter environment setup.

tsz
378ms
tsgo
337ms
tsgo 1.1x faster
View details
synthetic · 4,603 lines · 81 KB

Class declaration binding plus constructor/member shape checking.

tsz
103ms
tsgo
333ms
tsz 3.2x faster
View details
synthetic · 2,311 lines · 71 KB

Generic signature checking and type-parameter environment setup.

tsz
206ms
tsgo
329ms
tsz 1.6x faster
View details
synthetic · 2,303 lines · 40 KB

Class declaration binding plus constructor/member shape checking.

tsz
74ms
tsgo
324ms
tsz 4.4x faster
View details
synthetic · 1,161 lines · 35 KB

Generic signature checking and type-parameter environment setup.

tsz
127ms
tsgo
323ms
tsz 2.5x faster
View details
synthetic · 491 lines · 24 KB

Union construction, reduction, and assignability checks.

tsz
99ms
tsgo
335ms
tsz 3.4x faster
View details
synthetic · 471 lines · 14 KB

Generic signature checking and type-parameter environment setup.

tsz
81ms
tsgo
322ms
tsz 4.0x faster
View details
synthetic · 463 lines · 8 KB

Class declaration binding plus constructor/member shape checking.

tsz
50ms
tsgo
329ms
tsz 6.5x faster
View details
synthetic · 251 lines · 12 KB

Union construction, reduction, and assignability checks.

tsz
60ms
tsgo
321ms
tsz 5.3x faster
View details
synthetic · 131 lines · 6 KB

Union construction, reduction, and assignability checks.

tsz
51ms
tsgo
322ms
tsz 6.3x faster
View details

Project hotspot probes

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

hotspot · 2,924 lines · 80 KB

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

tsz
370ms
tsgo
373ms
equal
View details
hotspot · 2,808 lines · 84 KB

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

tsz
164ms
tsgo
329ms
tsz 2.0x faster
View details
hotspot · 1,411 lines · 80 KB

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

tsz
408ms
tsgo
339ms
tsgo 1.2x faster
View details
hotspot · 1,408 lines · 41 KB

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

tsz
89ms
tsgo
348ms
tsz 3.9x faster
View details
hotspot · 711 lines · 39 KB

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

tsz
220ms
tsgo
338ms
tsz 1.5x faster
View details
hotspot · 708 lines · 20 KB

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

tsz
61ms
tsgo
327ms
tsz 5.4x faster
View details
hotspot · 613 lines · 31 KB

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

tsz
149ms
tsgo
340ms
tsz 2.3x faster
View details
hotspot · 417 lines · 33 KB

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

tsz
153ms
tsgo
326ms
tsz 2.1x faster
View details
hotspot · 361 lines · 19 KB

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

tsz
132ms
tsgo
337ms
tsz 2.5x faster
View details
hotspot · 358 lines · 10 KB

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

tsz
52ms
tsgo
323ms
tsz 6.2x faster
View details
hotspot · 313 lines · 15 KB

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

tsz
79ms
tsgo
334ms
tsz 4.2x faster
View details
hotspot · 217 lines · 16 KB

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

tsz
87ms
tsgo
324ms
tsz 3.7x faster
View details
hotspot · 186 lines · 10 KB

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

tsz
93ms
tsgo
336ms
tsz 3.6x faster
View details
hotspot · 163 lines · 8 KB

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

tsz
57ms
tsgo
327ms
tsz 5.7x faster
View details
hotspot · 117 lines · 8 KB

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

tsz
63ms
tsgo
325ms
tsz 5.1x faster
View details
hotspot · 88 lines · 4 KB

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

tsz
51ms
tsgo
319ms
tsz 6.3x faster
View details
hotspot · 67 lines · 4 KB

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

tsz
56ms
tsgo
321ms
tsz 5.7x 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
75ms
tsgo
326ms
tsz 4.4x faster
View details
solver stress · 331 lines · 7 KB

Mapped-type and property traversal behavior in the solver.

tsz
70ms
tsgo
357ms
tsz 5.1x faster
View details
solver stress · 131 lines · 2 KB

Mapped-type and property traversal behavior in the solver.

tsz
51ms
tsgo
330ms
tsz 6.5x faster
View details
solver stress · 127 lines · 2 KB

Distributive conditional types over broad unions.

tsz
51ms
tsgo
325ms
tsz 6.4x faster
View details
solver stress · 112 lines · 2 KB

Distributive conditional types over broad unions.

tsz
50ms
tsgo
327ms
tsz 6.5x faster
View details
solver stress · 82 lines · 1 KB

Distributive conditional types over broad unions.

tsz
49ms
tsgo
332ms
tsz 6.7x faster
View details
solver stress · 64 lines · 2 KB

Recursive generic instantiation and cache behavior under deep type expansion.

tsz
53ms
tsgo
328ms
tsz 6.2x faster
View details
solver stress · 54 lines · 2 KB

Recursive generic instantiation and cache behavior under deep type expansion.

tsz
52ms
tsgo
314ms
tsz 6.1x faster
View details
solver stress · 39 lines · 1 KB

Recursive generic instantiation and cache behavior under deep type expansion.

tsz
49ms
tsgo
322ms
tsz 6.6x faster
View details

Not charted: incomplete or tsz slower than tsgo

Rows without a full tsz and tsgo timing pair, or where tsz is at least 1.5x slower than tsgo.