flatMap() vs filter().map() vs reduce() v4 (version: 0)

flatMap vs filter map vs reduce()

Comparing performance of: filter().map() vs flatMap() vs reduce()

Created: 4 years ago by: Guest
Go to the latest result
Script Preparation code:
Tests:

Historical Performance Data aggregated from 144 community runs

Desktop Results:
Chrome 115 runs
reduce()
610/s
flatMap()
512/s
filter().map()
259/s

Fastest: reduce() (2.4x faster)

View exact numbers
  • ✓ reduce(): 610 ops/sec
  • • flatMap(): 512 ops/sec
  • • filter().map(): 259 ops/sec
Firefox 18 runs
reduce()
1K/s
flatMap()
614/s
filter().map()
343/s

Fastest: reduce() (3.2x faster)

View exact numbers
  • ✓ reduce(): 1,096 ops/sec
  • • flatMap(): 614 ops/sec
  • • filter().map(): 343 ops/sec
Safari 6 runs
reduce()
3K/s
flatMap()
1K/s
filter().map()
669/s

Fastest: reduce() (3.8x faster)

View exact numbers
  • ✓ reduce(): 2,512 ops/sec
  • • flatMap(): 1,141 ops/sec
  • • filter().map(): 669 ops/sec
Other 5 runs
reduce()
312/s
flatMap()
180/s
filter().map()
148/s

Fastest: reduce() (2.1x faster)

View exact numbers
  • ✓ reduce(): 312 ops/sec
  • • flatMap(): 180 ops/sec
  • • filter().map(): 148 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    filter().map()
    flatMap()
    reduce()

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 10 months ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36
Chrome 140 on Mac OS X 10.15.7
View result in a separate tab
reduce()
749/s
flatMap()
656/s
filter().map()
317/s
View exact numbers
Test name Executions per second
✓ reduce() 749 Ops/sec
flatMap() 656 Ops/sec
filter().map() 317 Ops/sec

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