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description
The performance difference between es-toolkit and alternative libraries

Performance

Graph showing the difference in performance between es-toolkit and lodash. Using es-toolkit results in a performance gain of up to 11 times.

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.

Performance Comparison

es-toolkit@0.0.1 lodash-es@4.17.21 Difference
omit 4,767,360 times 403,624 times 11.8×
pick 9,121,839 times 2,663,072 times 3.43×
differenceWith 9,291,897 times 4,275,222 times 2.17×
difference 10,436,101 times 5,155,631 times 2.02×
intersectionWith 8,074,722 times 3,814,479 times 2.12×
intersection 9,999,571 times 4,630,316 times 2.15×
unionBy 6,435,983 times 3,794,899 times 1.69×
union 5,059,209 times 4,771,400 times 1.06×
dropRightWhile 7,529,559 times 5,606,439 times 1.34×
groupBy 5,000,235 times 5,206,286 times 0.96×

Tested with MacBook Pro 14-inch (M1 Max, 2021). Refer to our benchmark code.