Benchmark: loading transformed {}[] values into Map: for of Map.set vs for of new Map ( results{}[] ) vs new Map ( {}[].map )

Script Preparation code:

var test = /\s*(?<key>[^=\s=;][^=;]*?)(?:\s*=\s*(?<value>[^;]+?))?(?:;|$)/g
var sample = ' test1=1; test2; test 3; test 4= 4; test5 =5; test 6 = 6; test 7 = 777=77='

Tests:

for of Map set
const map = new Map for ( const { key, value } of sample.matchAll( test ) ) { map.set( key, value ) }
for of new Map( results[] )
const results = [] for ( const { key, value } of sample.matchAll( test ) ) { results.push( [ key, value ] ) } const map = new Map( results )
new Map( {}[].map )
const map = new Map ( [...sample.matchAll( test )] .map( ( { key, value } ) => [ key, value ] ) )

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
for of Map set
for of new Map( results[] )
new Map( {}[].map )

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36

Browser/OS: Chrome 111 on Android

View result in a separate tab

Test name	Executions per second
for of Map set	175572.3 Ops/sec
for of new Map( results[] )	167621.6 Ops/sec
new Map( {}[].map )	154948.1 Ops/sec

loading transformed {}[] values into Map: for of Map.set vs for of new Map ( results{}[] ) vs new Map ( {}[].map ) (version: 0)

Comparing performance of: for of Map set vs for of new Map( results[] ) vs new Map( {}[].map )

Created: one year ago by: Guest

Jump to the latest result

for of Map set

for of new Map( results[] )

new Map( {}[].map )

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A