Benchmark: Converting Array to Object

Script Preparation code:

var arr1 = [
    [
        "are",
        "relatively"
    ],
    [
        "bodies",
        "that"
    ],
    [
        "up",
        "of"
    ],
    [
        "hot,",
        "glowing"
    ],
    [
        "gases.",
        "They"
    ],
    [
        "in",
        "the"
    ],
    [
        "numbers",
        "throughout"
    ],
    [
        "the",
        "beauty"
    ],
    [
        "each",
        "one"
    ],
    [
        "shining",
        "with"
    ],
    [
        "its",
        "ever-changing"
    ],
    [
        "unique",
        "brightness."
    ],
    [
        "Stars",
        "also"
    ],
    [
        "sizes,",
        "ranging"
    ],
    [
        "from",
        "small"
    ],
    [
        "and",
        "wonder"
    ],
    [
        "to",
        "something"
    ],
    [
        "They",
        "remind"
    ],
    [
        "a",
        "clear"
    ],
    [
        "role",
        "in"
    ],
    [
        "serving",
        "as"
    ],
    [
        "blocks",
        "of"
    ],
    [
        "galaxies",
        "and"
    ],
    [
        "of",
        "the"
    ],
    [
        "for",
        "navigation,"
    ],
    [
        "on",
        "Earth."
    ],
    [
        "have",
        "looked"
    ],
    [
        "colors,",
        "which"
    ],
    [
        "indicate",
        "their"
    ],
    [
        "temperature",
        "and"
    ],
    [
        "age.",
        "Some"
    ],
    [
        "stars,",
        "with"
    ],
    [
        "our",
        "modern"
    ],
    [
        "close",
        "to"
    ],
    [
        "us,",
        "while"
    ],
    [
        "others",
        "are"
    ],
    [
        "billions",
        "of"
    ],
    [
        "light-years",
        "away,"
    ],
    [
        "making",
        "them"
    ],
    [
        "appear",
        "as"
    ],
    [
        "tiny",
        "points"
    ],
    [
        "night",
        "or"
    ],
    [
        "The",
        "moon"
    ],
    [
        "known",
        "as"
    ],
    [
        "astronomy,",
        "allows"
    ],
    [
        "us",
        "to"
    ],
    [
        "learn",
        "more"
    ],
    [
        "about",
        "the"
    ],
    [
        "universe",
        "and"
    ],
    [
        "within",
        "it."
    ],
    [
        "since",
        "the"
    ],
    [
        "beginning",
        "of"
    ],
    [
        "time.",
        "These"
    ],
    [
        "celestial",
        "bodies"
    ],
    [
        "countless",
        "myths,"
    ],
    [
        "stories,",
        "and"
    ],
    [
        "poems.",
        "The"
    ],
    [
        "their",
        "twinkling"
    ],
    [
        "light,",
        "have"
    ],
    [
        "been",
        "a"
    ],
    [
        "helping",
        "sailors"
    ],
    [
        "find",
        "their"
    ],
    [
        "way",
        "in"
    ],
    [
        "world.",
        "They"
    ],
    [
        "source",
        "of"
    ],
    [
        "guidance",
        "and"
    ],
    [
        "hope",
        "for"
    ],
    [
        "those",
        "lost"
    ],
    [
        "darkness.",
        "The"
    ],
    [
        "moon,",
        "with"
    ],
    [
        "glow,",
        "has"
    ],
    [
        "cultures.",
        "It"
    ],
    [
        "has",
        "also"
    ],
    [
        "worshiped",
        "as"
    ],
    [
        "with",
        "all"
    ],
    [
        "symbol",
        "of"
    ],
    [
        "change",
        "and"
    ],
    [
        "transformation,",
        "with"
    ],
    [
        "shape",
        "and"
    ],
    [
        "influence",
        "on"
    ],
    [
        "tides",
        "and"
    ],
    [
        "nature.",
        "Throughout"
    ],
    [
        "history,",
        "people"
    ],
    [
        "stars",
        "on"
    ],
    [
        "moon",
        "rise"
    ],
    [
        "answers",
        "and"
    ],
    [
        "guidance,",
        "seeking"
    ],
    [
        "universe.",
        "And"
    ],
    [
        "even",
        "today,"
    ],
    [
        "technology",
        "and"
    ],
    [
        "knowledge,",
        "the"
    ],
    [
        "remind",
        "us"
    ],
    [
        "small",
        "place"
    ],
    [
        "vastness",
        "of"
    ],
    [
        "look",
        "beyond"
    ],
    [
        "ourselves",
        "and"
    ],
    [
        "world",
        "around"
    ],
    [
        "us.",
        "Whether"
    ],
    [
        "it's",
        "gazing"
    ],
    [
        "at",
        "the"
    ],
    [
        "watching",
        "the"
    ],
    [
        "over",
        "the"
    ],
    [
        "horizon,",
        "these"
    ],
    [
        "connect",
        "us"
    ],
    [
        "greater",
        "and"
    ],
    [
        "awe-inspiring",
        "power"
    ]
]

Tests:

Object.fromEntries()
Object.fromEntries(arr1)
Array.prototype.reduce()
arr1.reduce((accumulator, currentValue) => { accumulator[currentValue[0]] = currentValue[1] return accumulator }, {})
Assignment
const obj = {} arr1.forEach((value) => { obj[value[0]] = value[1] })

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Object.fromEntries()
Array.prototype.reduce()
Assignment

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one month ago):

LLMs can make mistakes. Check important info.

I'll answer the questions based on the provided input.

The input appears to be a JSON object with three properties: `arr1`, `Html Preparation Code`, and a list of test cases.

To solve this problem, I need more context or information about what is being asked. However, based on the available data, here are some observations:

* The `arr1` property contains an array of strings, where each string appears to be a key-value pair in the format `[key, value]`.
* The `Html Preparation Code` property is currently empty.
* The list of test cases contains three entries, each with a "Benchmark Definition" and a "Test Name". These appear to be benchmarks for comparing the performance of different JavaScript methods: `Object.fromEntries()`, `Array.prototype.reduce()`, and assignment.

Without more context or information about what specific problem is being asked, I'll provide some general insights:

* The use of `arr1` suggests that we might need to process an array of key-value pairs.
* The presence of the `Html Preparation Code` property implies that there might be a related issue with HTML code preparation.

If you could provide more context or clarify what specific problem is being asked, I'd be happy to try and assist further.

Latest run results:

Run details: (Test run date: 10 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser/OS: Chrome 120 on Windows

View result in a separate tab

Test name	Executions per second
Object.fromEntries()	51840.5 Ops/sec
Array.prototype.reduce()	196953.7 Ops/sec
Assignment	193699.5 Ops/sec

Related benchmarks:

Converting Array to Object (version: 0)

Comparing performance of: Object.fromEntries() vs Array.prototype.reduce() vs Assignment

Created: 10 months ago by: Registered User

Jump to the latest result

Object.fromEntries()

Array.prototype.reduce()

Assignment

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one month ago):