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
53ms
tsgo
223ms
tsz 4.2x faster
View details
library file · 175 lines · 5 KB

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

tsz
54ms
tsgo
211ms
tsz 3.9x faster
View details
library file · 103 lines · 3 KB

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

tsz
38ms
tsgo
218ms
tsz 5.8x faster
View details
library file · 69 lines · 1 KB

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

tsz
54ms
tsgo
202ms
tsz 3.8x 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
43ms
tsgo
223ms
tsz 5.2x faster
View details
library file · 82 lines · 1 KB

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

tsz
41ms
tsgo
228ms
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
61ms
tsgo
237ms
tsz 3.9x faster
View details
library file · 47 lines · 0 KB

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

tsz
68ms
tsgo
225ms
tsz 3.3x 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
30ms
tsgo
60ms
tsz 2.0x faster
View details
library file · 101 lines · 3 KB

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

tsz
31ms
tsgo
51ms
tsz 1.6x faster
View details
library file · 47 lines · 1 KB

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

tsz
21ms
tsgo
48ms
tsz 2.3x faster
View details
library file · 39 lines · 1 KB

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

tsz
27ms
tsgo
54ms
tsz 2.0x 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
310ms
tsgo
408ms
tsz 1.3x faster
View details
benchmark · 819 lines · 321 KB

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

tsz
110ms
tsgo
233ms
tsz 2.1x faster
View details
benchmark · 684 lines · 13 KB

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

tsz
47ms
tsgo
229ms
tsz 4.9x faster
View details
benchmark · 603 lines · 18 KB

Control-flow graph construction and narrowing analysis.

tsz
142ms
tsgo
249ms
tsz 1.8x faster
View details
benchmark · 514 lines · 10 KB

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

tsz
45ms
tsgo
225ms
tsz 5.0x faster
View details
benchmark · 428 lines · 36 KB

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

tsz
75ms
tsgo
219ms
tsz 2.9x faster
View details
benchmark · 419 lines · 89 KB

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

tsz
62ms
tsgo
231ms
tsz 3.7x faster
View details
benchmark · 313 lines · 9 KB

Control-flow graph construction and narrowing analysis.

tsz
65ms
tsgo
229ms
tsz 3.5x faster
View details
benchmark · 289 lines · 4 KB

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

tsz
39ms
tsgo
216ms
tsz 5.6x faster
View details
benchmark · 252 lines · 7 KB

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

tsz
59ms
tsgo
217ms
tsz 3.7x faster
View details
benchmark · 249 lines · 5 KB

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

tsz
41ms
tsgo
219ms
tsz 5.4x faster
View details
benchmark · 229 lines · 3 KB

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

tsz
41ms
tsgo
215ms
tsz 5.3x faster
View details
benchmark · 228 lines · 17 KB

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

tsz
53ms
tsgo
216ms
tsz 4.1x faster
View details
benchmark · 219 lines · 28 KB

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

tsz
49ms
tsgo
232ms
tsz 4.7x faster
View details
benchmark · 158 lines · 2 KB

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

tsz
175ms
tsgo
232ms
tsz 1.3x faster
View details
benchmark · 152 lines · 5 KB

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

tsz
51ms
tsgo
223ms
tsz 4.4x faster
View details
benchmark · 139 lines · 2 KB

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

tsz
38ms
tsgo
211ms
tsz 5.5x faster
View details
benchmark · 128 lines · 9 KB

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

tsz
47ms
tsgo
220ms
tsz 4.7x faster
View details
benchmark · 128 lines · 2 KB

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

tsz
101ms
tsgo
226ms
tsz 2.2x faster
View details
benchmark · 102 lines · 3 KB

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

tsz
48ms
tsgo
215ms
tsz 4.5x faster
View details
benchmark · 101 lines · 3 KB

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

tsz
43ms
tsgo
214ms
tsz 5.0x faster
View details
benchmark · 101 lines · 3 KB

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

tsz
44ms
tsgo
220ms
tsz 5.0x faster
View details
benchmark · 99 lines · 7 KB

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

tsz
42ms
tsgo
225ms
tsz 5.4x faster
View details
benchmark · 83 lines · 1 KB

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

tsz
50ms
tsgo
217ms
tsz 4.3x faster
View details
benchmark · 81 lines · 2 KB

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

tsz
41ms
tsgo
222ms
tsz 5.4x faster
View details
benchmark · 78 lines · 5 KB

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

tsz
42ms
tsgo
218ms
tsz 5.2x faster
View details
benchmark · 77 lines · 3 KB

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

tsz
43ms
tsgo
225ms
tsz 5.3x faster
View details
benchmark · 53 lines · 2 KB

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

tsz
67ms
tsgo
258ms
tsz 3.9x 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
584ms
tsgo
833ms
tsz 1.4x faster
View details
synthetic · 16,420 lines · 4,112 KB

Mapped-type and property traversal behavior in the solver.

tsz
440ms
tsgo
833ms
tsz 1.9x faster
View details
synthetic · 9,203 lines · 162 KB

Class declaration binding plus constructor/member shape checking.

tsz
118ms
tsgo
224ms
tsz 1.9x faster
View details
synthetic · 4,611 lines · 143 KB

Generic signature checking and type-parameter environment setup.

tsz
317ms
tsgo
233ms
tsgo 1.4x faster
View details
synthetic · 4,603 lines · 81 KB

Class declaration binding plus constructor/member shape checking.

tsz
78ms
tsgo
226ms
tsz 2.9x faster
View details
synthetic · 2,311 lines · 71 KB

Generic signature checking and type-parameter environment setup.

tsz
168ms
tsgo
226ms
tsz 1.3x faster
View details
synthetic · 2,303 lines · 40 KB

Class declaration binding plus constructor/member shape checking.

tsz
60ms
tsgo
228ms
tsz 3.8x faster
View details
synthetic · 1,161 lines · 35 KB

Generic signature checking and type-parameter environment setup.

tsz
106ms
tsgo
226ms
tsz 2.1x faster
View details
synthetic · 491 lines · 24 KB

Union construction, reduction, and assignability checks.

tsz
78ms
tsgo
228ms
tsz 2.9x faster
View details
synthetic · 471 lines · 14 KB

Generic signature checking and type-parameter environment setup.

tsz
66ms
tsgo
212ms
tsz 3.2x faster
View details
synthetic · 463 lines · 8 KB

Class declaration binding plus constructor/member shape checking.

tsz
42ms
tsgo
220ms
tsz 5.2x faster
View details
synthetic · 251 lines · 12 KB

Union construction, reduction, and assignability checks.

tsz
48ms
tsgo
212ms
tsz 4.4x faster
View details
synthetic · 131 lines · 6 KB

Union construction, reduction, and assignability checks.

tsz
45ms
tsgo
217ms
tsz 4.9x 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
296ms
tsgo
269ms
tsgo 1.1x faster
View details
hotspot · 2,808 lines · 84 KB

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

tsz
115ms
tsgo
221ms
tsz 1.9x faster
View details
hotspot · 1,411 lines · 80 KB

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

tsz
304ms
tsgo
238ms
tsgo 1.3x faster
View details
hotspot · 1,408 lines · 41 KB

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

tsz
66ms
tsgo
220ms
tsz 3.3x faster
View details
hotspot · 711 lines · 39 KB

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

tsz
148ms
tsgo
218ms
tsz 1.5x faster
View details
hotspot · 708 lines · 20 KB

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

tsz
50ms
tsgo
225ms
tsz 4.5x faster
View details
hotspot · 613 lines · 31 KB

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

tsz
104ms
tsgo
219ms
tsz 2.1x faster
View details
hotspot · 417 lines · 33 KB

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

tsz
111ms
tsgo
227ms
tsz 2.0x faster
View details
hotspot · 361 lines · 19 KB

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

tsz
103ms
tsgo
223ms
tsz 2.2x faster
View details
hotspot · 358 lines · 10 KB

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

tsz
43ms
tsgo
217ms
tsz 5.1x faster
View details
hotspot · 313 lines · 15 KB

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

tsz
58ms
tsgo
219ms
tsz 3.8x faster
View details
hotspot · 217 lines · 16 KB

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

tsz
64ms
tsgo
225ms
tsz 3.5x faster
View details
hotspot · 186 lines · 10 KB

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

tsz
71ms
tsgo
221ms
tsz 3.1x faster
View details
hotspot · 163 lines · 8 KB

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

tsz
46ms
tsgo
218ms
tsz 4.8x faster
View details
hotspot · 117 lines · 8 KB

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

tsz
53ms
tsgo
232ms
tsz 4.4x faster
View details
hotspot · 88 lines · 4 KB

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

tsz
41ms
tsgo
221ms
tsz 5.4x faster
View details
hotspot · 67 lines · 4 KB

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

tsz
46ms
tsgo
226ms
tsz 4.9x 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
57ms
tsgo
212ms
tsz 3.7x faster
View details
solver stress · 331 lines · 7 KB

Mapped-type and property traversal behavior in the solver.

tsz
49ms
tsgo
211ms
tsz 4.3x faster
View details
solver stress · 131 lines · 2 KB

Mapped-type and property traversal behavior in the solver.

tsz
41ms
tsgo
215ms
tsz 5.2x faster
View details
solver stress · 127 lines · 2 KB

Distributive conditional types over broad unions.

tsz
41ms
tsgo
215ms
tsz 5.2x faster
View details
solver stress · 112 lines · 2 KB

Distributive conditional types over broad unions.

tsz
43ms
tsgo
217ms
tsz 5.0x faster
View details
solver stress · 82 lines · 1 KB

Distributive conditional types over broad unions.

tsz
43ms
tsgo
225ms
tsz 5.2x faster
View details
solver stress · 64 lines · 2 KB

Recursive generic instantiation and cache behavior under deep type expansion.

tsz
47ms
tsgo
225ms
tsz 4.8x faster
View details
solver stress · 54 lines · 2 KB

Recursive generic instantiation and cache behavior under deep type expansion.

tsz
47ms
tsgo
233ms
tsz 5.0x faster
View details
solver stress · 39 lines · 1 KB

Recursive generic instantiation and cache behavior under deep type expansion.

tsz
42ms
tsgo
224ms
tsz 5.4x 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.