Benchmark: Find object in array by attribute

Find object in array by attribute (version: 8)

Testing the cheapest pattern for finding an object in a collection of objects based on attribute.

Comparing performance of: Lodash find(): Result at first index vs Lodash find(): Result at middle index vs Lodash find(): Result at last index vs Lodash find(): No result vs For loop: Result at first index vs For loop: Result at middle index vs For loop: Result at last index vs For loop: No result vs While loop: Result at first index vs While loop: Result at middle index vs While loop: Result at last index vs While loop: No Result

Created: 9 years ago by: Registered User

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HTML Preparation code:

<html>
    <head>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.12.0/lodash.min.js"></script>
    </head>
    <body>
    </body>
</html>

Script Preparation code:

var products = [
  {
    name: "Foo",
    id: 1,
    color: "red",
    price: {
      beforeSale: 14.11,
      afterSale: 11.11,
      currency: "USD"
    }
  },
  {
    name: "Foo2",
    id: 2,
    color: "orange",
    price: {
      beforeSale: 24.22,
      afterSale: 22.22,
      currency: "USD"
    }
  },
  {
    name: "Foo3",
    id: 3,
    color: "yellow",
    price: {
      beforeSale: 44.33,
      afterSale: 33.33,
      currency: "USD"
    }
  },
  {
    name: "Foo4",
    id: 4,
    color: "brown",
    price: {
      beforeSale: 54.44,
      afterSale: 44.44,
      currency: "USD"
    }
  },
  {
    name: "Bar",
    id: 5,
    color: "green",
    price: {
      beforeSale: 64.55,
      afterSale: 55.55,
      currency: "USD"
    }
  },
  {
    name: "Bar2",
    id: 6,
    color: "purple",
    price: {
      beforeSale: 74.66,
      afterSale: 66.66,
      currency: "USD"
    }
  },
  {
    name: "Bar3",
    id: 7,
    color: "pink",
    price: {
      beforeSale: 84.77,
      afterSale: 77.77,
      currency: "USD"
    }
  },
  {
    name: "Bar4",
    id: 8,
    color: "grey",
    price: {
      beforeSale: 94.88,
      afterSale: 88.88,
      currency: "USD"
    }
  },
  {
    name: "Baz",
    id: 9,
    color: "blue",
    price: {
      beforeSale: 104.99,
      afterSale: 99.99,
      currency: "USD"
    }
  }
];


// Lodash's find()
function testFind(name) {
  return _.find(products, function (product) {
    return product.name === name;
  });
}

// Early-escape for loop
function testFor(name) {
  var i;
  
  for (i = 0; i < products.length; i++) {
    if (products[i].name === name) {
      return products[i];
    }
  }
}

// Early escape while loop
function testWhile(name) {
  var i = 0;
  
  while(i < products.length) {
    if (products[i].name === name) {
      return products[i];
    }
    
    i++;
  }
}

Tests:

Lodash find(): Result at first index
testFind("Foo");
Lodash find(): Result at middle index
testFind("Bar");
Lodash find(): Result at last index
testFind("Baz");
Lodash find(): No result
testFind("Quux");
For loop: Result at first index
testFor("Foo");
For loop: Result at middle index
testFor("Bar");
For loop: Result at last index
testFor("Baz");
For loop: No result
testFor("Quux");
While loop: Result at first index
testWhile("Foo");
While loop: Result at middle index
testWhile("Bar");
While loop: Result at last index
testWhile("Baz");
While loop: No Result
testWhile("Quux");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash find(): Result at first index
Lodash find(): Result at middle index
Lodash find(): Result at last index
Lodash find(): No result
For loop: Result at first index
For loop: Result at middle index
For loop: Result at last index
For loop: No result
While loop: Result at first index
While loop: Result at middle index
While loop: Result at last index
While loop: No Result

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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

LLMs can make mistakes. Check important info.

It appears that you are sharing an array of data, specifically metrics from web browsers executing various JavaScript functions. Let's break down the array and extract some insights:

**Test Names**

The test names suggest that the data is testing different JavaScript functions, including `Lodash find()`, while loops, and for loops.

**Browser Metrics**

Each object in the array has a "RawUAString" field indicating the browser version, followed by metrics such as:

* `ExecutionsPerSecond`: The number of executions per second.
* `TestName`: The test name or description.

Some observations from the data:

1. **`Lodash find()` tests**: All four objects in the array have a "TestName" field with the phrase "Lodash find()". This suggests that these tests are comparing the execution speed of Lodash's `find()` function in different scenarios.
2. **Browser variations**: The "RawUAString" fields indicate that the data is from multiple browsers, including Chrome 116 and Windows operating system.
3. **Loop-related metrics**: Many objects have test names related to while loops (e.g., "While loop: Result at middle index") and for loops (e.g., "For loop: Result at middle index"). This suggests that these tests are evaluating the performance of JavaScript loops.

If you'd like, I can help with something specific from this data or assist in interpreting any particular aspects of it.

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