Benchmark: Stringify vs Lodash Deep Comparison Performance

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash.isequal@4.5.0/index.js"></script>

Script Preparation code:

 const a = {
     bids: [
         [41634.5, 0.0],
         [41641.0, 600000.0],
         [42285.0, 0.0],
         [42291.5, 300000.0],
         [42504.5, 60000.0],
         [42507.5, 0.0],
         [42719.0, 0.0],
         [42719.5, 470742.0],
         [42725.5, 225000.0],
         [42734.0, 0.0],
         [43066.0, 0.0],
         [43072.5, 225000.0],
         [43153.0, 0.0],
         [43153.5, 233493.0],
         [43159.5, 225000.0],
         [43167.5, 1998005.0],
         [43168.0, 0.0],
         [43168.5, 0.0],
         [43171.5, 0.0],
         [43239.0, 80000.0],
         [43269.5, 250000.0],
         [43270.5, 0.0],
         [43285.0, 199.0],
         [43287.5, 1977.0],
         [43288.5, 0.0],
         [43295.5, 0.0],
         [43327.5, 59340.0],
         [43333.5, 0.0],
         [43335.0, 0.0],
         [43338.5, 20000.0],
         [43343.5, 10000.0],
     ],
     asks: [
         [43379.0, 10000.0],
         [43383.0, 10000.0],
         [43403.0, 78676.0],
         [43403.5, 23218.0],
         [43404.0, 0.0],
         [43406.5, 450.0],
         [43427.0, 2086.0],
         [43430.5, 117604.0],
         [43431.0, 20000.0],
         [43437.5, 199999.0],
         [43445.0, 0.0],
         [43446.0, 19616.0],
         [43506.5, 0.0],
         [43507.0, 140114.0],
         [43531.0, 0.0],
         [43593.5, 0.0],
         [43594.0, 225000.0],
         [43680.5, 0.0],
         [43681.0, 300000.0],
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         [43897.5, 300000.0],
         [43911.0, 0.0],
         [44461.5, 0.0],
         [44462.0, 400000.0],
         [45111.0, 0.0],
         [45112.5, 600000.0],
     ]
 }

 const b = {
     bids: [
         [41634.5, 0.0],
         [41641.0, 600000.0],
         [42285.0, 0.0],
         [42291.5, 300000.0],
         [42504.5, 60000.0],
         [42507.5, 0.0],
         [42719.0, 0.0],
         [42719.5, 470742.0],
         [42725.5, 225000.0],
         [42734.0, 0.0],
         [43066.0, 0.0],
         [43072.5, 225000.0],
         [43153.0, 0.0],
         [43153.5, 233493.0],
         [43159.5, 225000.0],
         [43167.5, 1998005.0],
         [43168.0, 0.0],
         [43168.5, 0.0],
         [43171.5, 0.0],
         [43239.0, 80000.0],
         [43269.5, 250000.0],
         [43270.5, 0.0],
         [43285.0, 199.0],
         [43287.5, 1977.0],
         [43288.5, 0.0],
         [43295.5, 0.0],
         [43327.5, 59340.0],
         [43333.5, 0.0],
         [43335.0, 0.0],
         [43338.5, 20000.0],
         [43343.5, 10000.0],
     ],
     asks: [
         [43379.0, 10000.0],
         [43383.0, 10000.0],
         [43403.0, 78676.0],
         [43403.5, 23218.0],
         [43404.0, 0.0],
         [43406.5, 450.0],
         [43427.0, 2086.0],
         [43430.5, 117604.0],
         [43431.0, 20000.0],
         [43437.5, 199999.0],
         [43445.0, 0.0],
         [43446.0, 19616.0],
         [43506.5, 0.0],
         [43507.0, 140114.0],
         [43531.0, 0.0],
         [43593.5, 0.0],
         [43594.0, 225000.0],
         [43680.5, 0.0],
         [43681.0, 300000.0],
         [43896.5, 485213.0],
         [43897.0, 0.0],
         [43897.5, 300000.0],
         [43911.0, 0.0],
         [44461.5, 0.0],
         [44462.0, 400000.0],
         [45111.0, 0.0],
         [45112.5, 600000.0],
     ]
 }

Tests:

stringify
JSON.stringify(window.a) === JSON.stringify(window.b);
isEqual
_.isEqual(window.a, window.b)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
stringify
isEqual

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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

LLMs can make mistakes. Check important info.

The issue is likely that the `window` object is not defined in the test environment, causing the `JSON.stringify(window.a)` and `_.isEqual(window.a, window.b)` expressions to fail.

To fix this, you can modify the test code to use a local variable instead of `window`. For example:

```javascript
a = [...]; // initialize a with some data
b = [...]; // initialize b with some data

if (JSON.stringify(a) === JSON.stringify(b)) {
  console.log('stringify passed');
}

_.isEqual(a, b);
```

Alternatively, if you're using a testing framework like Jest or Mocha, you can define the `window` object as part of your test setup. For example:

```javascript
describe('Benchmark tests', () => {
  beforeEach(() => {
    window = { a: [...], b: [...] }; // define window object here
  });

it('stringify passes', () => {
    if (JSON.stringify(window.a) === JSON.stringify(window.b)) {
      console.log('stringify passed');
    }
  });

it('isEqual passes', () => {
    _.isEqual(window.a, window.b);
  });
});
```

This way, the `window` object is defined in the test environment, and the tests should run without issues.

Related benchmarks:

Stringify vs Lodash Deep Comparison Performance (version: 0)

JSON.stringify vs lodash's isEqual

Comparing performance of: stringify vs isEqual

Created: 3 years ago by: Registered User

Jump to the latest result

stringify

isEqual

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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