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27 lines
2.0 KiB
Markdown
27 lines
2.0 KiB
Markdown
---
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description: The performance difference between es-toolkit and alternative libraries
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---
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# Performance
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Designed with performance in mind, es-toolkit provides an average of 2× performance improvement compared to alternative libraries like lodash. Some functions achieve up to an 11× performance gain by fully utilizing modern JavaScript APIs.
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## Performance Comparison
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| | es-toolkit@0.0.1 | lodash-es@4.17.21 | Difference |
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| --------------------------------------------------------- | ---------------- | ----------------- | ---------- |
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| [omit](./reference/object/omit.md) | 4,767,360 times | 403,624 times | 11.8× |
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| [pick](./reference/object/pick.md) | 9,121,839 times | 2,663,072 times | 3.43× |
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| [differenceWith](./reference/array/differenceWith.md) | 9,291,897 times | 4,275,222 times | 2.17× |
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| [difference](./reference/array/difference.md) | 10,436,101 times | 5,155,631 times | 2.02× |
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| [intersectionWith](./reference/array/intersectionWith.md) | 8,074,722 times | 3,814,479 times | 2.12× |
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| [intersection](./reference/array/intersection.md) | 9,999,571 times | 4,630,316 times | 2.15× |
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| [unionBy](./reference/array/unionBy.md) | 6,435,983 times | 3,794,899 times | 1.69× |
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| [union](./reference/array/union.md) | 5,059,209 times | 4,771,400 times | 1.06× |
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| [dropRightWhile](./reference/array/dropRightWhile.md) | 7,529,559 times | 5,606,439 times | 1.34× |
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| [groupBy](./reference/array/groupBy.md) | 5,000,235 times | 5,206,286 times | 0.96× |
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Tested with MacBook Pro 14-inch (M1 Max, 2021). Refer to our [benchmark code](https://github.com/toss/es-toolkit/tree/main/benchmarks).
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