Benchmark: flatMap vs reduce using push spread

Script Preparation code:

var arr = Array(10_000).fill({arr: [0,1]})

Tests:

Rendered benchmark preparation results:

Previous results

Test case name	Result
reduce with concat
flatMap

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Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36 Edg/97.0.1072.55

Browser/OS: Chrome 97 on Windows

Test name	Executions per second
reduce with concat	5296.3 Ops/sec
flatMap	377.9 Ops/sec

flatMap vs reduce using push spread (version: 0)