Benchmark: map() vs for...loop using Moore's 3

Script Preparation code:

var testGrid = [
    [0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1],
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    [0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0],
    [0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0],
    [1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1],
    [0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0],
    [1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0],
    [1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0],
    [1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1],
    [0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0],
    [1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0],
    [0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0],
    [0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1],
    [0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0],
    [0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0],
    [1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0],
    [0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0],
    [0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0],
    [1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0],
    [0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0],
    [0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0],
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    [0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0],
    [1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0],
    [1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0],
    [1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0]
];

var getLiveNeighboursCount = ({
    grid = testGrid,
    width = 50,
    height = 50,
    row,
    col
}) => {
    let count = 0;

    for (let dx = -1; dx <= 1; dx++) {
        for (let dy = -1; dy <= 1; dy++) {
            if (dx === 0 && dy === 0) continue;
            let ny = row + dy;
            let nx = col + dx;
            if (ny === -1) ny = height - 1;
            if (nx === -1) nx = width - 1;
            if (ny === height) ny = 0;
            if (nx === width) nx = 0;
            if (grid[ny][nx] === 1) count = count + 1;
            if (count === 4) break;
        }
        if (count === 4) break;
    }

    return count;
};

var n = 100;

Tests:

map()
const testFn = (data) => data.map((row, rowIndex) => row.map((cell, colIndex) => { const liveCount = getLiveNeighboursCount({ row: rowIndex, col: colIndex, }); const live = cell === 1 ? liveCount === 2 || liveCount === 3 : liveCount === 3; return live ? 1 : 0; }) ); for (let i = 1; i <= n; i++) { testFn(testGrid); }
for...loop
const testFn2 = (data) => { const newGrid = []; for (let row = 0; row < data.length; row++) { newGrid[row] = []; for (let col = 0; col < data[0].length; col++) { const liveCount = getLiveNeighboursCount({ row, col, }); const live = data[row][col] === 1 ? liveCount === 2 || liveCount === 3 : liveCount === 3; newGrid[row].push(live ? 1 : 0); } } return newGrid; }; for (let i = 1; i <= n; i++) { testFn2(testGrid); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
map()
for...loop

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser/OS: Chrome 114 on Linux

View result in a separate tab

Test name	Executions per second
map()	18.4 Ops/sec
for...loop	19.3 Ops/sec

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

LLMs can make mistakes. Check important info.

I'll provide the code snippets without commentary.

**Individual test cases:**
```javascript
[
  {
    "Benchmark Definition": `const testFn = (data) =>\r\n  data.map((row, rowIndex) =>\r\n    row.map((cell, colIndex) => {\r\n      const liveCount = getLiveNeighboursCount({\r\n        row: rowIndex,\r\n        col: colIndex,\r\n      });\r\n\r\n      const live =\r\n        cell === 1 ? liveCount === 2 || liveCount === 3 : liveCount === 3;\r\n\r\n      return live ? 1 : 0;\r\n    })\r\n  );\r\n\r\n\r\nfor (let i = 1; i <= n; i++) {\r\n    testFn(testGrid);\r\n}`,
    "Test Name": "map()"
  },
  {
    "Benchmark Definition": `const testFn2 = (data) => {\r\n  const newGrid = [];\r\n\r\n  for (let row = 0; row < data.length; row++) {\r\n    newGrid[row] = [];\r\n    for (let col = 0; col < data[0].length; col++) {\r\n      const liveCount = getLiveNeighboursCount({\r\n        row,\r\n        col,\r\n      });\r\n\r\n      const live =\r\n        data[row][col] === 1\r\n          ? liveCount === 2 || liveCount === 3\r\n          : liveCount === 3;\r\n\r\n      newGrid[row].push(live ? 1 : 0);\r\n    }\r\n  }\r\n\r\n  return newGrid;\r\n};\r\n\r\n\r\nfor (let i = 1; i <= n; i++) {\r\n    testFn2(testGrid);\r\n}`,
    "Test Name": "for...loop"
  }
]
```

**getLiveNeighboursCount function:**
```javascript
var getLiveNeighboursCount = ({\r\n    grid = testGrid,\r\n    width = 50,\r\n    height = 50,\r\n    row,\r\n    col\r\n}) => {\r\n    let count = 0;\r\n\r\n    for (let dx = -1; dx <= 1; dx++) {\r\n        for (let dy = -1; dy <= 1; dy++) {\r\n            if (dx === 0 && dy === 0) continue;\r\n            let ny = row + dy;\r\n            let nx = col + dx;\r\n            if (ny === -1) ny = height - 1;\r\n            if (nx === -1) nx = width - 1;\r\n            if (ny === height) ny = 0;\r\n            if (nx === width) nx = 0;\r\n            if (grid[ny][nx] === 1) count = count + 1;\r\n            if (count === 4) break;\r\n        }\r\n        if (count === 4) break;\r\n    }\r\n\r\n    return count;\r\n};
```

**n variable:**
```javascript
var n = 100;
```

Related benchmarks:

map() vs for...loop using Moore's 3 (version: 4)

Comparing performance of: map() vs for...loop

Created: one year ago by: Registered User

Jump to the latest result

map()

for...loop

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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