ES6-benchmark
A benchmark for some popular ES6 features in Node.js 5.10.0 and Node-chakracore 6.0.0-pre5.
Run Benchmark
npm run benchmark
Env
- CPU: Intel Core(TM) i5-2410M 2.30GHz
- Memory: 8GB 1600 MHz DDR3
- Node.js: 5.10.0 / Node-chakracore 6.0.0-pre5
Contributor
Benchmark
V8:
template string vs use +
1,524,602 op/s » template string
1,391,110 op/s » use +
Chakra:
template string vs use +
2,316,501 op/s » template string
2,277,366 op/s » use +
V8:
for...of vs forEach
260,761 op/s » for...of
210,823 op/s » Array#forEach
Chakra:
for...of vs forEach
276,133,193 op/s » for...of
695,715,320 op/s » Array#forEach
V8:
merge objects
314,921 op/s » Object.assign
3,854,182 op/s » for...in loop and assign
Chakra:
merge objects
2,263,889 op/s » Object.assign
1,647,837 op/s » for...in loop and assign
V8:
declear a class
47,864 op/s » class statement
42,662 op/s » use function and prototype
Chakra:
declear a class
191,705 op/s » class statement
201,991 op/s » use function and prototype
V8:
String#repeat() vs polyfill
7,774,842 op/s » String#repeat
222,137 op/s » use Array#join trick
Chakra:
String#repeat() vs polyfill
1,674,259 op/s » String#repeat
169,631 op/s » use Array#join trick
V8:
spread operator
1,042,842 op/s » noop(...[1,2,3])
12,241,137 op/s » noop.apply(null, [1,2,3])
Chakra:
spread operator
3,409,259 op/s » noop(...[1,2,3])
5,406,631 op/s » noop.apply(null, [1,2,3])
V8:
array like object to array
1,453,649 op/s » Array.from
562,458 op/s » Array.prototype.slice.call
Chakra:
array like object to array
1,994,649 op/s » Array.from
2,897,458 op/s » Array.prototype.slice.call
promise vs bluebird
V8:
322,534 op/s » promise
1,763,186 op/s » bluebird
Chakra:
93,534 op/s » promise
205,186 op/s » bluebird
V8:
var let const
134,028,614 op/s » let
132,193,000 op/s » const
438,460,321 op/s » var
Chakra:
var let const
168,028,614 op/s » let
171,193,000 op/s » const
153,460,321 op/s » var
V8:
string starts with
10,774,987 op/s » string.startsWith(value)
15,127,611 op/s » use regexp
Chakra:
string starts with
30,774,987 op/s » string.startsWith(value)
12,127,611 op/s » use regexp
define-a-funciton-with-this.js
V8:
define a function with inherited this
28,661,143 op/s » function statement with self = this
479,220 op/s » function statement with bind
26,874,220 op/s » arrow function () =>
Chakra:
define a function with inherited this
62,661,143 op/s » function statement with self = this
6,874,220 op/s » function statement with bind
61,237,253 op/s » arrow function () =>
V8:
global.parseInt() vs Number.parseInt()
53,940,634 op/s » Number.parseInt()
81,509,873 op/s » global.parseInt()
Chakra:
global.parseInt() vs Number.parseInt()
23,940,634 op/s » Number.parseInt()
24,509,873 op/s » global.parseInt()