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src: implement util.types fast API calls #57819

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@BridgeAR BridgeAR commented Apr 10, 2025 •
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All util.types.is##Type() calls are ported to the fast API.

This improves the performance for multiple APIs such as:

  • util.inspect (and util.format and console methods respectively)
  • util.isDeepStrictEqual
  • assert.(not)deepEqual (including strict and partial mode)

Local benchmark

                                                                                                             confidence improvement accuracy (*)   (**)   (***)
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=0 n=100000 primitive='array'                    *      1.09 %       ±1.06% ±1.41%  ±1.85%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=0 n=100000 primitive='boolean'                         1.68 %       ±2.20% ±2.93%  ±3.84%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=0 n=100000 primitive='circular'                       -1.71 %       ±1.93% ±2.57%  ±3.35%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=0 n=100000 primitive='date'                   ***     11.72 %       ±3.14% ±4.20%  ±5.52%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=0 n=100000 primitive='empty_object'                   -1.81 %       ±3.40% ±4.52%  ±5.88%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=0 n=100000 primitive='number'                          0.53 %       ±3.54% ±4.72%  ±6.16%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=0 n=100000 primitive='object'                          1.30 %       ±1.86% ±2.49%  ±3.29%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=0 n=100000 primitive='regexp'                 ***     16.65 %       ±1.88% ±2.52%  ±3.29%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=0 n=100000 primitive='set_object'             ***      8.18 %       ±1.27% ±1.69%  ±2.20%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=0 n=100000 primitive='set_simple'             ***     13.53 %       ±3.62% ±4.84%  ±6.34%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=0 n=100000 primitive='string'                          1.70 %       ±3.91% ±5.23%  ±6.88%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=1 n=100000 primitive='array'                          -0.26 %       ±1.38% ±1.84%  ±2.39%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=1 n=100000 primitive='boolean'                         1.06 %       ±2.10% ±2.80%  ±3.65%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=1 n=100000 primitive='circular'                        0.62 %       ±1.14% ±1.51%  ±1.97%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=1 n=100000 primitive='date'                   ***      5.26 %       ±1.39% ±1.86%  ±2.42%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=1 n=100000 primitive='empty_object'                   -0.64 %       ±1.81% ±2.42%  ±3.17%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=1 n=100000 primitive='number'                          1.42 %       ±2.56% ±3.40%  ±4.43%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=1 n=100000 primitive='object'                          0.23 %       ±0.93% ±1.23%  ±1.60%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=1 n=100000 primitive='regexp'                 ***     12.07 %       ±1.06% ±1.40%  ±1.83%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=1 n=100000 primitive='set_object'             ***      9.73 %       ±1.01% ±1.35%  ±1.76%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=1 n=100000 primitive='set_simple'             ***     11.74 %       ±1.45% ±1.92%  ±2.51%
assert/deepequal-prims-and-objs-big-loop.js method='deepEqual' strict=1 n=100000 primitive='string'                         -0.64 %       ±7.18% ±9.59% ±12.56%
assert/deepequal-prims-and-objs-big-loop.js method='notDeepEqual' strict=1 n=100000 primitive='array'                        0.04 %       ±1.25% ±1.67%  ±2.17%
assert/deepequal-prims-and-objs-big-loop.js method='notDeepEqual' strict=1 n=100000 primitive='boolean'                      1.15 %       ±1.92% ±2.55%  ±3.32%
assert/deepequal-prims-and-objs-big-loop.js method='notDeepEqual' strict=1 n=100000 primitive='circular'                    -0.48 %       ±2.19% ±2.93%  ±3.84%
assert/deepequal-prims-and-objs-big-loop.js method='notDeepEqual' strict=1 n=100000 primitive='date'                ***      4.27 %       ±2.05% ±2.73%  ±3.56%
assert/deepequal-prims-and-objs-big-loop.js method='notDeepEqual' strict=1 n=100000 primitive='empty_object'                 1.09 %       ±3.53% ±4.70%  ±6.12%
assert/deepequal-prims-and-objs-big-loop.js method='notDeepEqual' strict=1 n=100000 primitive='number'                       4.38 %       ±5.92% ±7.95% ±10.51%
assert/deepequal-prims-and-objs-big-loop.js method='notDeepEqual' strict=1 n=100000 primitive='object'                       0.29 %       ±1.05% ±1.40%  ±1.82%
assert/deepequal-prims-and-objs-big-loop.js method='notDeepEqual' strict=1 n=100000 primitive='regexp'              ***     13.66 %       ±5.20% ±6.99%  ±9.24%
assert/deepequal-prims-and-objs-big-loop.js method='notDeepEqual' strict=1 n=100000 primitive='set_object'          ***      9.90 %       ±3.56% ±4.76%  ±6.24%
assert/deepequal-prims-and-objs-big-loop.js method='notDeepEqual' strict=1 n=100000 primitive='set_simple'          ***     13.06 %       ±0.94% ±1.25%  ±1.63%
assert/deepequal-prims-and-objs-big-loop.js method='notDeepEqual' strict=1 n=100000 primitive='string'                      -0.95 %       ±3.34% ±4.45%  ±5.81%

                                                                                            confidence improvement accuracy (*)   (**)  (***)
assert/partial-deep-equal.js datasetName='array' extraProps=0 size=500 n=125                                0.48 %       ±3.02% ±4.02% ±5.23%
assert/partial-deep-equal.js datasetName='array' extraProps=1 size=500 n=125                                1.63 %       ±2.61% ±3.48% ±4.53%
assert/partial-deep-equal.js datasetName='arrayBuffers' extraProps=0 size=500 n=125                ***     14.79 %       ±1.43% ±1.91% ±2.49%
assert/partial-deep-equal.js datasetName='arrayBuffers' extraProps=1 size=500 n=125                ***      5.93 %       ±0.74% ±0.99% ±1.29%
assert/partial-deep-equal.js datasetName='circularRefs' extraProps=0 size=500 n=125                ***      4.61 %       ±0.58% ±0.78% ±1.01%
assert/partial-deep-equal.js datasetName='circularRefs' extraProps=1 size=500 n=125                ***      4.26 %       ±0.96% ±1.28% ±1.68%
assert/partial-deep-equal.js datasetName='dataViewArrayBuffers' extraProps=0 size=500 n=125        ***      3.60 %       ±1.30% ±1.73% ±2.25%
assert/partial-deep-equal.js datasetName='dataViewArrayBuffers' extraProps=1 size=500 n=125          *      1.33 %       ±1.14% ±1.51% ±1.97%
assert/partial-deep-equal.js datasetName='maps' extraProps=0 size=500 n=125                        ***      9.73 %       ±0.75% ±1.01% ±1.32%
assert/partial-deep-equal.js datasetName='maps' extraProps=1 size=500 n=125                        ***     10.36 %       ±0.86% ±1.15% ±1.49%
assert/partial-deep-equal.js datasetName='objects' extraProps=0 size=500 n=125                             -0.01 %       ±0.70% ±0.93% ±1.21%
assert/partial-deep-equal.js datasetName='objects' extraProps=1 size=500 n=125                              0.23 %       ±0.76% ±1.01% ±1.32%
assert/partial-deep-equal.js datasetName='sets' extraProps=0 size=500 n=125                        ***      7.94 %       ±0.78% ±1.05% ±1.37%
assert/partial-deep-equal.js datasetName='sets' extraProps=1 size=500 n=125                        ***      7.10 %       ±2.10% ±2.83% ±3.73%
assert/partial-deep-equal.js datasetName='setsWithObjects' extraProps=0 size=500 n=125             ***      5.96 %       ±1.09% ±1.46% ±1.90%
assert/partial-deep-equal.js datasetName='setsWithObjects' extraProps=1 size=500 n=125             ***      6.82 %       ±1.06% ±1.41% ±1.84%
assert/partial-deep-equal.js datasetName='typedArrays' extraProps=0 size=500 n=125                 ***      2.49 %       ±0.68% ±0.90% ±1.18%
assert/partial-deep-equal.js datasetName='typedArrays' extraProps=1 size=500 n=125                 ***      4.96 %       ±0.89% ±1.18% ±1.54%

                                                                      confidence improvement accuracy (*)   (**)  (***)
util/inspect.js option='colors' method='Array' n=80000                                0.21 %       ±0.76% ±1.02% ±1.32%
util/inspect.js option='colors' method='Date' n=80000                        ***      3.59 %       ±0.67% ±0.90% ±1.17%
util/inspect.js option='colors' method='Error' n=80000                       ***      2.68 %       ±0.68% ±0.91% ±1.18%
util/inspect.js option='colors' method='Number' n=80000                               0.52 %       ±1.62% ±2.16% ±2.81%
util/inspect.js option='colors' method='Object_deep_ln' n=80000                       0.44 %       ±0.63% ±0.84% ±1.10%
util/inspect.js option='colors' method='Object_empty' n=80000                ***      1.71 %       ±0.78% ±1.03% ±1.34%
util/inspect.js option='colors' method='Object' n=80000                              -0.04 %       ±0.76% ±1.02% ±1.33%
util/inspect.js option='colors' method='Set' n=80000                         ***      1.34 %       ±0.76% ±1.02% ±1.32%
util/inspect.js option='colors' method='String_boxed' n=80000                ***     26.23 %       ±0.79% ±1.05% ±1.38%
util/inspect.js option='colors' method='String_complex' n=80000                       0.61 %       ±1.01% ±1.35% ±1.75%
util/inspect.js option='colors' method='String' n=80000                              -0.17 %       ±0.94% ±1.25% ±1.63%
util/inspect.js option='colors' method='TypedArray_extra' n=80000                    -0.88 %       ±1.02% ±1.36% ±1.78%
util/inspect.js option='colors' method='TypedArray' n=80000                          -0.16 %       ±0.86% ±1.14% ±1.49%
util/inspect.js option='none' method='Array' n=80000                                  0.73 %       ±1.21% ±1.62% ±2.13%
util/inspect.js option='none' method='Date' n=80000                          ***      3.59 %       ±0.78% ±1.03% ±1.34%
util/inspect.js option='none' method='Error' n=80000                         ***      3.91 %       ±0.78% ±1.04% ±1.36%
util/inspect.js option='none' method='Number' n=80000                                 1.07 %       ±2.13% ±2.84% ±3.72%
util/inspect.js option='none' method='Object_deep_ln' n=80000                ***      2.10 %       ±0.63% ±0.84% ±1.09%
util/inspect.js option='none' method='Object_empty' n=80000                  ***      2.38 %       ±0.73% ±0.97% ±1.26%
util/inspect.js option='none' method='Object' n=80000                          *      1.07 %       ±0.83% ±1.11% ±1.44%
util/inspect.js option='none' method='Set' n=80000                           ***      1.82 %       ±0.73% ±0.98% ±1.27%
util/inspect.js option='none' method='String_boxed' n=80000                  ***     30.90 %       ±1.26% ±1.69% ±2.22%
util/inspect.js option='none' method='String_complex' n=80000                         0.62 %       ±0.96% ±1.27% ±1.66%
util/inspect.js option='none' method='String' n=80000                                -0.01 %       ±1.14% ±1.52% ±1.98%
util/inspect.js option='none' method='TypedArray_extra' n=80000                *      0.94 %       ±0.84% ±1.11% ±1.45%
util/inspect.js option='none' method='TypedArray' n=80000                             0.44 %       ±0.75% ±1.00% ±1.30%
util/inspect.js option='showHidden' method='Array' n=80000                           -0.54 %       ±0.89% ±1.19% ±1.55%
util/inspect.js option='showHidden' method='Date' n=80000                    ***      3.92 %       ±0.70% ±0.93% ±1.22%
util/inspect.js option='showHidden' method='Error' n=80000                   ***      3.24 %       ±0.80% ±1.07% ±1.39%
util/inspect.js option='showHidden' method='Number' n=80000                          -1.40 %       ±2.95% ±3.93% ±5.13%
util/inspect.js option='showHidden' method='Object_deep_ln' n=80000           **      1.40 %       ±0.95% ±1.27% ±1.68%
util/inspect.js option='showHidden' method='Object_empty' n=80000              *      2.66 %       ±2.27% ±3.01% ±3.92%
util/inspect.js option='showHidden' method='Object' n=80000                           0.60 %       ±0.60% ±0.80% ±1.05%
util/inspect.js option='showHidden' method='Set' n=80000                       *      0.95 %       ±0.80% ±1.06% ±1.38%
util/inspect.js option='showHidden' method='String_boxed' n=80000            ***     21.05 %       ±1.14% ±1.52% ±1.98%
util/inspect.js option='showHidden' method='String_complex' n=80000                   0.22 %       ±0.79% ±1.06% ±1.38%
util/inspect.js option='showHidden' method='String' n=80000                           1.10 %       ±1.59% ±2.12% ±2.77%
util/inspect.js option='showHidden' method='TypedArray_extra' n=80000        ***      2.48 %       ±0.87% ±1.16% ±1.51%
util/inspect.js option='showHidden' method='TypedArray' n=80000              ***      3.58 %       ±1.01% ±1.34% ±1.75%

@nodejs-github-bot nodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. needs-ci PRs that need a full CI run. labels Apr 10, 2025
@BridgeAR BridgeAR force-pushed the util-types-fast-api branch from 5e8ba0a to e4b0c0a Compare April 10, 2025 13:14
@BridgeAR BridgeAR changed the title src: implement initial util.types fast API calls src: implemen util.types fast API calls Apr 10, 2025
@BridgeAR BridgeAR changed the title src: implemen util.types fast API calls src: implement util.types fast API calls Apr 10, 2025
@BridgeAR BridgeAR added assert Issues and PRs related to the assert subsystem. util Issues and PRs related to the built-in util module. performance Issues and PRs related to the performance of Node.js. labels Apr 10, 2025
@BridgeAR BridgeAR force-pushed the util-types-fast-api branch from e4b0c0a to 5770181 Compare April 10, 2025 13:20
anonrig
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Can you add specific tests for each one of these calls to make sure these fast paths are triggered? Please take a look into the documentation:

node/doc/contributing/adding-v8-fast-api.md

Line 33 in edf87b4

tracked using the `TRACK_V8_FAST_API_CALL("key")` macro. This can be used to

An example can be found at

node/doc/contributing/adding-v8-fast-api.md

Line 212 in edf87b4

assert.strictEqual(getV8FastApiCallCount('custom_namespace.divide.error'), 1);

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codecov bot commented Apr 10, 2025 •
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Codecov Report

Attention: Patch coverage is 89.47368% with 2 lines in your changes missing coverage. Please review.

Project coverage is 90.22%. Comparing base (8456a12) to head (1d00f22).
Report is 51 commits behind head on main.

Files with missing lines Patch % Lines
src/node_types.cc 89.47% 0 Missing and 2 partials ⚠️
Additional details and impacted files 
@@            Coverage Diff             @@
##             main   #57819      +/-   ##
==========================================
- Coverage   90.23%   90.22%   -0.01%     
==========================================
  Files         630      630              
  Lines      185245   185497     +252     
  Branches    36301    36376      +75     
==========================================
+ Hits       167154   167372     +218     
+ Misses      11006    10996      -10     
- Partials     7085     7129      +44
Files with missing lines Coverage Δ
src/node_types.cc 95.12% <89.47%> (-4.88%) ⬇️

... and 62 files with indirect coverage changes

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@BridgeAR BridgeAR force-pushed the util-types-fast-api branch 2 times, most recently from c74523f to 18a24b6 Compare April 10, 2025 20:43
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@anonrig thanks for the hint, I just added the test. I guess we could update the documentation to add the debug part as I did now.

anonrig
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@BridgeAR
src: implement util.types fast API calls
1d00f22 
All util.types.is##Type() calls are ported to the fast API.

This improves the performance for multiple APIs such as:

- util.inspect (and util.format and console methods respectively)
- util.isDeepStrictEqual
- assert.(not)deepEqual (including strict and partial mode)

It will also improve any other API where these APIs are used.
@BridgeAR BridgeAR force-pushed the util-types-fast-api branch from f6eca05 to 1d00f22 Compare April 12, 2025 00:14
@BridgeAR BridgeAR added the request-ci Add this label to start a Jenkins CI on a PR. label Apr 12, 2025
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CI: https://ci.nodejs.org/job/node-test-pull-request/66227/

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CI: https://ci.nodejs.org/job/node-test-pull-request/66231/

@BridgeAR BridgeAR added author ready PRs that have at least one approval, no pending requests for changes, and a CI started. commit-queue Add this label to land a pull request using GitHub Actions. labels Apr 13, 2025
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@nodejs-github-bot nodejs-github-bot merged commit 964e41c into nodejs:main Apr 13, 2025
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RafaelGSS pushed a commit that referenced this pull request May 1, 2025
@BridgeAR @RafaelGSS
src: implement util.types fast API calls
60e96c0 
All util.types.is##Type() calls are ported to the fast API.

This improves the performance for multiple APIs such as:

- util.inspect (and util.format and console methods respectively)
- util.isDeepStrictEqual
- assert.(not)deepEqual (including strict and partial mode)

It will also improve any other API where these APIs are used.

PR-URL: #57819
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@RafaelGSS RafaelGSS mentioned this pull request May 1, 2025
Merged
RafaelGSS pushed a commit that referenced this pull request May 2, 2025
@BridgeAR @RafaelGSS
src: implement util.types fast API calls
14d751a 
All util.types.is##Type() calls are ported to the fast API.

This improves the performance for multiple APIs such as:

- util.inspect (and util.format and console methods respectively)
- util.isDeepStrictEqual
- assert.(not)deepEqual (including strict and partial mode)

It will also improve any other API where these APIs are used.

PR-URL: #57819
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
aduh95 pushed a commit that referenced this pull request May 6, 2025
@BridgeAR @aduh95
src: implement util.types fast API calls
4e7ff1f 
All util.types.is##Type() calls are ported to the fast API.

This improves the performance for multiple APIs such as:

- util.inspect (and util.format and console methods respectively)
- util.isDeepStrictEqual
- assert.(not)deepEqual (including strict and partial mode)

It will also improve any other API where these APIs are used.

PR-URL: #57819
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
aduh95 pushed a commit that referenced this pull request May 6, 2025
@BridgeAR @aduh95
src: implement util.types fast API calls
374514a 
All util.types.is##Type() calls are ported to the fast API.

This improves the performance for multiple APIs such as:

- util.inspect (and util.format and console methods respectively)
- util.isDeepStrictEqual
- assert.(not)deepEqual (including strict and partial mode)

It will also improve any other API where these APIs are used.

PR-URL: #57819
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
RafaelGSS pushed a commit that referenced this pull request May 14, 2025
@BridgeAR @RafaelGSS
src: implement util.types fast API calls
5e9bceb 
All util.types.is##Type() calls are ported to the fast API.

This improves the performance for multiple APIs such as:

- util.inspect (and util.format and console methods respectively)
- util.isDeepStrictEqual
- assert.(not)deepEqual (including strict and partial mode)

It will also improve any other API where these APIs are used.

PR-URL: #57819
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
aduh95 pushed a commit that referenced this pull request May 16, 2025
@BridgeAR @aduh95
src: implement util.types fast API calls
e2de48a 
All util.types.is##Type() calls are ported to the fast API.

This improves the performance for multiple APIs such as:

- util.inspect (and util.format and console methods respectively)
- util.isDeepStrictEqual
- assert.(not)deepEqual (including strict and partial mode)

It will also improve any other API where these APIs are used.

PR-URL: #57819
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
aduh95 pushed a commit that referenced this pull request May 17, 2025
@BridgeAR @aduh95
src: implement util.types fast API calls
8f27d94 
All util.types.is##Type() calls are ported to the fast API.

This improves the performance for multiple APIs such as:

- util.inspect (and util.format and console methods respectively)
- util.isDeepStrictEqual
- assert.(not)deepEqual (including strict and partial mode)

It will also improve any other API where these APIs are used.

PR-URL: #57819
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
aduh95 pushed a commit that referenced this pull request May 17, 2025
@BridgeAR @aduh95
src: implement util.types fast API calls
2148bd8 
All util.types.is##Type() calls are ported to the fast API.

This improves the performance for multiple APIs such as:

- util.inspect (and util.format and console methods respectively)
- util.isDeepStrictEqual
- assert.(not)deepEqual (including strict and partial mode)

It will also improve any other API where these APIs are used.

PR-URL: #57819
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
aduh95 pushed a commit that referenced this pull request May 17, 2025
@BridgeAR @aduh95
src: implement util.types fast API calls
81a9ff0 
All util.types.is##Type() calls are ported to the fast API.

This improves the performance for multiple APIs such as:

- util.inspect (and util.format and console methods respectively)
- util.isDeepStrictEqual
- assert.(not)deepEqual (including strict and partial mode)

It will also improve any other API where these APIs are used.

PR-URL: #57819
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@github-actions github-actions bot mentioned this pull request May 19, 2025
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aduh95 pushed a commit that referenced this pull request May 19, 2025
@BridgeAR @aduh95
src: implement util.types fast API calls
24b182e 
All util.types.is##Type() calls are ported to the fast API.

This improves the performance for multiple APIs such as:

- util.inspect (and util.format and console methods respectively)
- util.isDeepStrictEqual
- assert.(not)deepEqual (including strict and partial mode)

It will also improve any other API where these APIs are used.

PR-URL: #57819
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
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@jasnell jasnell jasnell approved these changes

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assert Issues and PRs related to the assert subsystem. author ready PRs that have at least one approval, no pending requests for changes, and a CI started. c++ Issues and PRs that require attention from people who are familiar with C++. needs-ci PRs that need a full CI run. performance Issues and PRs related to the performance of Node.js. util Issues and PRs related to the built-in util module.
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