Benchmark: loop vs some - MeasureThat.net

Script Preparation code:

function validatePersonSome(person, isCmsgOrgs, selectedOrgs) {
  if (isCmsgOrgs) {
    // If a person has service_groups it will check them against the org SERVICE_GROUP_IDS, if a match is found that person will be selectable
    if (person.service_groups.length) { // eslint-disable-line mp-camelcase
      return person.service_groups.some(function(service_group) { // eslint-disable-line mp-camelcase
        return selectedOrgs.some(function(org) {
          return org.SERVICE_GROUP_IDS.some(function(org_service_group) { // eslint-disable-line mp-camelcase
            return org_service_group.SERVICE_GROUP_ID === service_group.id; // eslint-disable-line mp-camelcase
          });
        });
      });
    } else {
      return false;
    }
  }
  // If no orgs contain SERVICE_GROUP_IDS, only those persons with no service_groups will be selectable
  else {
    return person.service_groups.length === 0;
  }
}

function validatePersonLoop(person, hasCmsgOrgs, selectedOrgs) {
  var isValid = false;

  if (hasCmsgOrgs) {
    // If a person has service_groups it will check them against the org SERVICE_GROUP_IDS, if a match is found that person will be selectable
    if (person.service_groups.length) {
      var orgServiceGroupIds = {};
      var org;

      for (var i = 0; i < selectedOrgs.length; i++) {
        org = selectedOrgs[i];
        for (var j = 0; j < org.SERVICE_GROUP_IDS.length; j++) {
          orgServiceGroupIds[org.SERVICE_GROUP_IDS[j].SERVICE_GROUP_ID] = true;
        }
      }

      for (var i = 0; i < person.service_groups.length; i++) {
        if (orgServiceGroupIds[person.service_groups[i].id]) {
          isValid = true;
          break;
        }
      }
    }
  }
  // If no orgs contain SERVICE_GROUP_IDS, only those persons with no service_groups will be selectable
  else {
    isValid = person.service_groups.length === 0;
  }

  return isValid;
}

var person = {};
person.service_groups = [];
for (var i = 0; i < 1000; i++) {
  person.service_groups.push({
    id: i.toString()
  });
}


var selectedOrgs = [];
selectedOrgs.push({
	"ORGANIZATION_ID": "12345",
  	"ORG_NAME": "some_name",
  	"SERVICE_GROUP_IDS": [{
      service_group_id: "C"
    }]
});
selectedOrgs.push({
	"ORGANIZATION_ID": "12345",
  	"ORG_NAME": "some_name",
  	"SERVICE_GROUP_IDS": [{
      service_group_id: "B"
    }]
});
selectedOrgs.push({
	"ORGANIZATION_ID": "12345",
  	"ORG_NAME": "some_name",
  	"SERVICE_GROUP_IDS": [{
      service_group_id: "A"
    }]
});
selectedOrgs.push({
	"ORGANIZATION_ID": "12345",
  	"ORG_NAME": "some_name",
  	"SERVICE_GROUP_IDS": [{
      service_group_id: "999"
    }]
});
selectedOrgs.push({
	"ORGANIZATION_ID": "12345",
  	"ORG_NAME": "some_name",
  	"SERVICE_GROUP_IDS": [{
      service_group_id: "1000"
    }]
});

Tests:

For Loop
validatePersonLoop(person, true, selectedOrgs);
Some
validatePersonSome(person, true, selectedOrgs);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
For Loop
Some

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.

Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net.

The provided JSON represents a benchmark test case named "loop vs some". The goal is to compare the performance of two approaches: using a traditional for loop (`validatePersonLoop`) versus using the `Array.prototype.some()` method (`validatePersonSome`).

**Options being compared:**

1. **Traditional For Loop**: This approach uses a manual iteration mechanism to check each element in the `person.service_groups` array against the `selectedOrgs` array.
2. **Array.prototype.some() Method**: This approach uses the `some()` method to iterate over the `person.service_groups` array and returns a boolean value indicating whether at least one element matches the condition.

**Pros and Cons of each approach:**

1. **Traditional For Loop**:
	* Pros:
		+ Can be more efficient for small arrays or when exact matching is required.
		+ Allows for manual control over iteration and potential optimizations.
	* Cons:
		+ Can be less readable and maintainable due to the need for manual indexing and looping logic.
		+ May have performance overhead due to unnecessary checks.
2. **Array.prototype.some() Method**:
	* Pros:
		+ More concise and readable code.
		+ Reduces the risk of off-by-one errors or incorrect indexing.
	* Cons:
		+ May be less efficient for large arrays or when exact matching is required, as it stops iterating as soon as a match is found.
		+ Can have performance overhead due to the use of an iterator.

**Library usage:**

The `Array.prototype.some()` method is a built-in JavaScript library function. It's part of the ECMAScript standard and doesn't require any additional libraries or dependencies.

**Special JS feature/syntax:**

There are no specific JavaScript features or syntaxes being used in this benchmark that would be unique to MeasureThat.net. The code uses standard JavaScript constructs, such as `for` loops, arrays, and object properties.

**Other alternatives:**

Other approaches could be considered for this benchmark, such as:

1. **Using a custom iterator**: Instead of using the `some()` method, a custom iterator function could be created to iterate over the array elements.
2. **Using a library or framework-specific optimization**: Depending on the specific JavaScript engine or runtime being used, there might be built-in optimizations or libraries that can improve performance for this particular use case.

Overall, the benchmark is designed to compare the performance of two commonly used approaches in JavaScript: traditional for loops and array-based methods like `some()`. The results will provide insight into which approach is faster and more efficient for this specific use case.

Related benchmarks:

loop vs some (version: 0)

Tests for loops vs array.some

Comparing performance of: For Loop vs Some

Created: 9 years ago by: Guest

Jump to the latest result

For Loop

Some

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):