Skip to content

Latest commit

 

History

History
809 lines (597 loc) · 39.3 KB

RESULTS-v20.md

File metadata and controls

809 lines (597 loc) · 39.3 KB
Raw

Adding property

name ops/sec samples
Directly in the object 108,188,193 54100299
Using dot notation 66,411,065 33217082
Using define property (writable) 4,255,099 2127550
Using define property initialized (writable) 5,674,180 2837633
Using define property (getter) 2,128,752 1067070
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 16:43:39 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Array.append (number)

type amount time elapsed
array.push 10 0.004ms
new Array(length) 10 0.002ms
array.push 100 0.084ms
new Array(length) 100 0.007ms
array.push 1,000 0.031ms
new Array(length) 1,000 0.016ms
array.push 10,000 0.285ms
new Array(length) 10,000 0.317ms
array.push 1,000,000 32.133ms
new Array(length) 1,000,000 7.056ms
array.push 100,000,000 1,768.426ms
new Array(length) 100,000,000 4,427.88ms

Array.append (string)

type amount time elapsed
array.push 10 0.004ms
new Array(length) 10 0.003ms
array.push 100 0.013ms
new Array(length) 100 0.011ms
array.push 1,000 0.038ms
new Array(length) 1,000 0.022ms
array.push 10,000 0.248ms
new Array(length) 10,000 0.2ms
array.push 1,000,000 25.401ms
new Array(length) 1,000,000 4.618ms
array.push 100,000,000 2,475.612ms
new Array(length) 100,000,000 4,115.02ms

Array Creation

name ops/sec samples
new Array 258 130
Array.from 22 12
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 16:57:42 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Blob

name ops/sec samples
new Blob (128) 4,413 2207
new Blob (1024) 576 289
text (128) 4,489 2245
text (1024) 564 284
arrayBuffer (128) 4,541 2275
arrayBuffer (1024) 567 284
slice (0, 64) 63,916 36623
slice (0, 512) 24,690 12346
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 17:03:28 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Comparison using instanceof

name ops/sec samples
[True conditional] Using instanceof only 390,674 195503
[True conditional] Using constructor name 317,239 158620
[True conditional] Check if property is valid then instanceof 316,449 158225
[False conditional] Using instanceof only 97,094,140 48547929
[False conditional] Using constructor name 97,085,882 48542946
[False conditional] Check if property is valid then instanceof 97,105,488 48552806
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 17:09:42 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Crypto Verify

name ops/sec samples
crypto.createVerify('RSA-SHA256') 6,643 3322
crypto.verify('RSA-SHA256') 6,710 3356
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 17:15:18 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Date toISOString

name ops/sec samples
new Date().toISOString() 1,396,202 698353
fromUnixToISOString(new Date()) 2,099,075 1049858
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 17:20:55 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Date format MM/DD/YYYY

name ops/sec samples
Intl.DateTimeFormat().format(Date.now()) 17,736 8869
Intl.DateTimeFormat().format(new Date()) 17,362 8697
Intl.DateTimeFormat(undefined, twoDigitsLocaleOptions).format(Date.now()) 18,192 9097
Intl.DateTimeFormat(undefined, twoDigitsLocaleOptions).format(new Date()) 17,880 8941
Reusing Intl.DateTimeFormat() 545,233 315115
Date.toLocaleDateString() 912,065 456033
Date.toLocaleDateString(undefined, twoDigitsLocaleOptions) 21,203 10602
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 17:26:36 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Date String coersion

name ops/sec samples
Using String() 1,023,260 511669
Using brackets {} 1,039,678 519840
Using '' + 1,041,182 520856
Using date.toString() 1,156,117 578089
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 17:32:47 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Deleting properties

name ops/sec samples
Using delete property 3,655,915 1828162
Using delete property (proto: null) 16,003,078 8001549
Using delete property (cached proto: null) 3,620,518 1810459
Using undefined assignment 73,322,871 36665539
Using undefined assignment (proto: null) 16,971,252 8486424
Using undefined property (cached proto: null) 73,312,508 36656261
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 17:38:11 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Node.js Error

name ops/sec samples
Error 367,731 183991
NodeError 315,507 157754
NodeError Range 308,188 154105
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 17:44:02 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Function return

name ops/sec samples
Function returning null 1,672,523 836263
Function returning explicitly undefined 1,576,618 788805
Function returning implicitly undefined 1,612,441 806293
Function returning string 1,596,578 798330
Function returning integer 1,623,309 811655
Function returning float 1,609,957 805021
Function returning functions 1,556,193 778150
Function returning arrow functions 1,563,626 781895
Function returning empty object 1,618,813 809407
Function returning empty array 1,625,682 812842
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 17:49:56 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Array.includes vs raw comparison

name ops/sec samples
using Array.includes 77,350,595 38748307
using Array.includes (first item) 73,508,985 36786647
Using raw comparison 97,666,529 48864719
Using raw comparison (first item) 98,183,655 49092563
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 17:55:38 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Object.keys vs Object.getOwnPropertyNames comparison

name ops/sec samples
Using Object.keys() 49,578,540 24791235
Using Object.getOwnPropertyNames() 42,417,080 21211765
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 18:01:19 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Get the last item of an Array

name ops/sec samples
Length = 100 - Array.at 131,854,685 65927390
Length = 10_000 - Array.at 91,730,058 45865955
Length = 1_000_000 - Array.at 97,514,925 48757472
Length = 100 - Array[length - 1] 95,092,439 47546442
Length = 10_000 - Array[length - 1] 95,418,296 47714963
Length = 1_000_000 - Array[length - 1] 95,371,580 47693982
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 18:06:56 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Math.floor vs ~

name ops/sec samples
Math.floor (small) 140,595,610 70297844
~ (small) 97,605,146 48802584
Math.floor (long) 99,300,443 49665174
~ (long) 99,576,514 49806921
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 18:12:37 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Object Creation

name ops/sec samples
Object.create(null) 44,299,270 22210241
Object.create({}) 1,910,672 955337
Cached Empty.prototype 82,621,637 41310864
Empty.prototype 2,197,915 1102864
Empty class 1,366,466 683234
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 18:18:24 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Optional Chain (?) vs && operator

name ops/sec samples
Using optional chain (obj.field?.field2) (Valid) 119,513,569 59768289
Using optional chain (obj.field?.field2) (undefined) 96,443,879 48221952
Using and operator (obj.field && obj.field.field2) (Valid) 97,884,533 48942559
Using and operator (obj.field && obj.field.field2) (undefined) 97,696,965 48848876
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 18:24:02 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Parsing Integer

name ops/sec samples
Using parseInt(x, 10) - small number (2 len) 142,155,753 71077900
Using parseInt(x, 10) - big number (10 len) 89,211,357 44666124
Using + - small number (2 len) 99,812,366 49939813
Using + - big number (10 len) 98,944,329 49488636
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 18:29:49 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Possible undefined Function

name ops/sec samples
Using if to check function existence 896,336 449372
Using ? operator to avoid rejection 983,602 493444
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 18:35:18 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Private Property

name ops/sec samples
Raw usage private field 130,292,510 65146272
Raw usage underscore usage 97,973,350 48986684
Manipulating private properties using # 98,753,864 49430946
Manipulating private properties using underscore(_) 98,015,379 49047991
Manipulating private properties using Symbol 97,744,238 48872130
Manipulating private properties using PrivateSymbol 35,776,522 17893614
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 18:40:52 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Property access after shape transition

name ops/sec samples
Adding property after object creation - small object 7,772,339 3886177
Adding property in the object creation - small object 7,124,070 3562100
Adding property after the function creation - small class 222,099 111921
Adding property in the function creation - small class 241,599 121572
Adding property after the class creation - small class 239,210 119824
Adding property in the class creation - small class 235,354 117685
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 18:46:52 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Property Getter Access

name ops/sec samples
Getter (class) 148,265,593 74132864
Getter 51,646,375 25823192
Method 97,946,824 48973419
DefineProperty (getter) 90,069,849 45034932
DefineProperty (getter & enumerable=false) 52,421,940 26210975
DefineProperty (getter & configurable=false) 100,569,791 50309062
DefineProperty (getter & enumerable=false & configurable=false) 52,392,813 26204187
DefineProperty (writable) 88,445,484 44238623
DefineProperty (writable & enumerable=false) 99,814,832 49907843
DefineProperty (writable & enumerable=false & configurable=false) 100,306,301 50153156
DefineProperties (getter) 52,275,398 26137761
DefineProperties (getter & enumerable=false) 50,151,395 25075722
DefineProperties (getter & enumerable=false & configurable=false) 51,276,475 25638245
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 18:53:12 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Property Setter Access

name ops/sec samples
Setter (class) 137,161,971 68587772
Setter 10,527,517 5263762
Method 96,767,704 48384217
DefineProperty (setter) 101,667,890 50838182
DefineProperty (setter & enumerable=false) 10,746,459 5373360
DefineProperty (setter & configurable=false) 10,554,131 5277223
DefineProperty (setter & enumerable=false & configurable=false) 10,633,629 5316817
DefineProperty (writable) 85,477,974 42738993
DefineProperty (writable & enumerable=false) 99,929,469 49964753
DefineProperty (writable & enumerable=false & configurable=false) 102,969,485 51508148
DefineProperties (setter) 94,588,396 47305120
DefineProperties (setter & enumerable=false) 10,247,373 5124160
DefineProperties (setter & enumerable=false & configurable=false) 10,564,062 5282047
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 18:59:55 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

replace vs replaceAll comparison

name ops/sec samples
Using replace(//g) 3,355,528 1680284
Using replaceAll() 2,850,673 1425338
Using replaceAll(//g) 2,880,638 1440321
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 19:05:25 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Shallow Copy

name ops/sec samples
{ ...object } 21,801,506 10901717
{ ...object, proto: null } 20,396,555 10198400
{ ...object, newProp: true } 832,027 417344
structuredClone 282,228 141168
JSON.parse + JSON.stringify 189,441 94724
loop + object.keys starting with {} 1,519,765 761739
loop + object.keys starting with { proto: null } 825,459 412746
loop + object.keys starting with { randomProp: true } 606,857 303429
object.keys + reduce(FN, {}) 1,553,783 776896
object.keys + reduce(FN, { proto: null }) 839,812 420268
object.keys + reduce(FN, { newProp: true }) 603,199 301600
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 19:12:08 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Sorting Map

name ops/sec samples
Sort using default 260,828 130416
Sort using first char 1,314,441 657313
Sort using localeCompare 1,231,980 616071
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 19:17:48 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Object.assign VS spread operator

name ops/sec samples
{...bigObject} - Total keys: 1000 1,830 916
{...smallObject} - Total keys: 2 52,604,953 26302479
Object.assign({}, bigObject, anotherBigObject) - Total keys: 1000 - creating new object 1,075 538
Object.assign(bigObject, anotherBigObject) - mutating bigObject 6,255 3128
{ ...bigObject, ...anotherBigObject } 1,132 568
Object.assign({}, smallObject, anotherSmallObject) - creating new object 13,083,950 6543279
Object.assign(smallObject, anotherSmallObject) - mutating smallObject 27,966,563 13983293
{ ...smallObject, ...anotherSmallObject } 19,691,487 9848228
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 19:23:58 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Stream.Readable

name ops/sec samples
streams.Readable reading 1e3 * "some data" 2,066 1034
streams.web.Readable reading 1e3 * "some data" 1,631 817
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 19:29:06 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Stream.Writable

name ops/sec samples
streams.Writable writing 1e3 * "some data" 7,709 3883
streams.web.WritableStream writing 1e3 * "some data" 1,344 674
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 19:35:45 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

String concat

name ops/sec samples
Using + sign 147,149,157 73574648
Using backtick (`) 99,543,128 49772167
Using array.join 10,297,759 5149287
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 19:40:45 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

endsWith comparison

name ops/sec samples
(short string) (true) String#endsWith 58,271,105 29135610
(short string) (true) String#slice and strict comparison 61,066,079 30533043
(long string) (true) String#endsWith 49,939,022 24973598
(long string) (true) String#slice and strict comparison 55,815,457 27909560
(short string) (false) String#endsWith 56,610,848 28305802
(short string) (false) String#slice and strict comparison 60,245,761 30122886
(long string) (false) String#endsWith 53,708,325 26858667
(long string) (false) String#slice and strict comparison 55,342,813 27672756
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 19:47:20 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

String searching

name ops/sec samples
Using includes 139,008,515 69504300
Using indexof 15,209,156 7604580
Using RegExp.test 12,561,162 6280583
Using RegExp.text with cached regex pattern 13,492,392 6746299
Using new RegExp.test 4,262,539 2131502
Using new RegExp.test with cached regex pattern 5,061,726 2530903
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 19:53:08 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

startsWith comparison

name ops/sec samples
(short string) (true) String#startsWith 114,299,970 57150030
(short string) (true) String#slice and strict comparison 60,068,350 30035966
(long string) (true) String#startsWith 60,630,056 30315332
(long string) (true) String#slice and strict comparison 54,617,744 27309042
(short string) (false) String#startsWith 97,885,755 48943436
(short string) (false) String#slice and strict comparison 60,185,785 30237981
(long string) (false) String#startsWith 89,080,914 44540557
(long string) (false) String#slice and strict comparison 55,365,572 27683104
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 19:59:11 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Super vs This

name ops/sec samples
Using super 122,079,232 61039643
Using this 99,197,628 49599680
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 20:08:30 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0

Getting unix time

name ops/sec samples
new Date().getTime() 10,996,025 5498017
Date.now() 19,679,418 9841293
Environment
  • Machine: linux x64 | 4 vCPUs | 7.6GB Mem
  • Run: Tue Oct 29 2024 20:13:24 GMT+0000 (Coordinated Universal Time)
  • Node: v20.18.0