Run results for: Sorting speed comparison

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36

Browser: Chrome 64

Operating system: Windows 7

Device Platform: Other

Date tested: 2025 years ago

Test name	Executions per second
PR Code	10468.0 Ops/sec
Comparison Code	27865.0 Ops/sec
Comparison Code 2, simple sort function	158390.5 Ops/sec
Comparison Code 3, syntactic sugar	154994.8 Ops/sec
Comparison Code 4, now even quicker?	150632.8 Ops/sec

Script Preparation code:

var sortDirections = {
  DEFAULT: -1,
  ASC: 1,
  DESC: -1,
};

var numberArrayToSort = [1, 4, 3, 2, 5, 6, 9, 10, 5, 8, 7, 1, 4, 3, 2, 5, 6, 9, 10, 5, 8, 7, 1, 4, 3, 2, 5, 6, 9, 10, 5, 8, 7, 1, 4, 3, 2, 5, 6, 9, 10, 5, 8, 7, 1, 4, 3, 2, 5, 6, 9, 10, 5, 8, 7, 1, 4, 3, 2, 5, 6, 9, 10, 5, 8, 7, 1, 4, 3, 2, 5, 6, 9, 10, 5, 8, 7, 1, 4, 3, 2, 5, 6, 9, 10, 5, 8, 7, 1, 4, 3, 2, 5, 6, 9, 10, 5, 8, 7];

// ---------------------------------

var compare = (lessThan, equalTo) => {
  if (equalTo) {
    return 0;
  }

  if (lessThan) {
    return -1;
  }

  return 1;
};

var compareStraight = (a, b) => {
  if (a === b) {
    return 0;
  }

  if (a < b) {
    return -1;
  }

  return 1;
};


var compareStraightNumber = (a, b) => a - b;

// ---------------------------------

var primitiveTypeComparator = (a, b) => compare(a < b, a === b);

var genericDirectionComparator = (comparator = primitiveTypeComparator) => (a, b, direction = sortDirections.ASC) => {
  return direction * comparator(a, b);
};

var sortByNumberComparator = genericDirectionComparator();

// ---------------------------------

var sortDirectionWrapper = (compareFunc, direction = sortDirections.ASC) => (a, b) => compareFunc(a, b) * direction;
var cleanStraightSort = (direction) => sortDirectionWrapper(compareStraight, direction);
var cleanStraightSortFast = (direction) => sortDirectionWrapper(compareStraightNumber, direction);

// ---------------------------------

Tests:

PR Code
numberArrayToSort.sort((a, b) => sortByNumberComparator(a, b, sortDirections.ASC));
Comparison Code
numberArrayToSort.sort(sortDirectionWrapper(primitiveTypeComparator, sortDirections.ASC));
Comparison Code 2, simple sort function
numberArrayToSort.sort(sortDirectionWrapper(compareStraight, sortDirections.ASC));
Comparison Code 3, syntactic sugar
numberArrayToSort.sort(cleanStraightSort(sortDirections.ASC))
Comparison Code 4, now even quicker?
numberArrayToSort.sort(cleanStraightSortFast(sortDirections.ASC))

Run results for: Sorting speed comparison

Test of sorting speed and approach to currying

PR Code

Comparison Code

Comparison Code 2, simple sort function

Comparison Code 3, syntactic sugar

Comparison Code 4, now even quicker?