Benchmark: array iteration vs _.each vs map vs for..of vs for loop AP

HTML Preparation code:

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Script Preparation code:

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        category: {
          type: 'event',
          value: 'Patient Event',
        },
      },
      start: '2023-11-03T18:00:00.000Z',
      end: '2023-11-03T18:30:00.000Z',
      resourceId: 55,
      slotIndex: 322,
    },
    {
      source: 'calendar-view',
      appointment: {
        appointmentId: 13962,
        startTime: '2023-11-03T14:40:00-04:00',
        endTime: '2023-11-03T15:05:00-04:00',
        duration: 25,
        status: 'PENDING',
        location: 'GVH-EastWing 1A',
        isTelehealth: false,
        event: {
          name: 'AP Patient Event',
          categoryType: 'Patient Event',
        },
        notes: '',
        complaint: '',
        resources: [
          {
            resourceId: 1,
            resourceName: 'Ongmore, John',
            resourceType: 'P',
            isAnchorResource: false,
          },
          {
            resourceId: 55,
            resourceName: 'Patel, Arpan',
            resourceType: 'P',
            isAnchorResource: true,
          },
        ],
        patient: {
          patientGuid: 1078100200,
          firstName: 'JMD Rocks PE',
          middleName: 'JMD Rocks PE',
          lastName: 'JMD Rocks PE',
        },
        category: {
          type: 'event',
          value: 'Patient Event',
        },
      },
      start: '2023-11-03T18:40:00.000Z',
      end: '2023-11-03T19:05:00.000Z',
      resourceId: 55,
      slotIndex: 323,
    },
    {
      source: 'calendar-view',
      appointment: {
        appointmentId: 13951,
        startTime: '2023-11-03T15:05:00-04:00',
        endTime: '2023-11-03T15:35:00-04:00',
        duration: 30,
        status: 'PENDING',
        location: 'GVH-EastWing 1A',
        isTelehealth: false,
        event: {
          name: 'AP Patient Event',
          categoryType: 'Patient Event',
        },
        notes: '',
        complaint: '',
        resources: [
          {
            resourceId: 1,
            resourceName: 'Ongmore, John',
            resourceType: 'P',
            isAnchorResource: false,
          },
          {
            resourceId: 55,
            resourceName: 'Patel, Arpan',
            resourceType: 'P',
            isAnchorResource: true,
          },
        ],
        patient: {
          patientGuid: 1078100200,
          firstName: 'JMD Rocks PE',
          middleName: 'JMD Rocks PE',
          lastName: 'JMD Rocks PE',
        },
        category: {
          type: 'event',
          value: 'Patient Event',
        },
      },
      start: '2023-11-03T19:05:00.000Z',
      end: '2023-11-03T19:35:00.000Z',
      resourceId: 55,
      slotIndex: 324,
    },
    {
      source: 'calendar-view',
      appointment: {
        appointmentId: 13956,
        startTime: '2023-11-03T15:20:00-04:00',
        endTime: '2023-11-03T15:50:00-04:00',
        duration: 30,
        status: 'PENDING',
        location: 'GVH-EastWing 1A',
        isTelehealth: false,
        event: {
          name: 'AP Patient Event',
          categoryType: 'Patient Event',
        },
        notes: '',
        complaint: '',
        resources: [
          {
            resourceId: 18,
            resourceName: 'Jadhav, Vikas V',
            resourceType: 'P',
            isAnchorResource: false,
          },
          {
            resourceId: 55,
            resourceName: 'Patel, Arpan',
            resourceType: 'P',
            isAnchorResource: true,
          },
        ],
        patient: {
          patientGuid: 1078100200,
          firstName: 'JMD Rocks PE',
          middleName: 'JMD Rocks PE',
          lastName: 'JMD Rocks PE',
        },
        category: {
          type: 'event',
          value: 'Patient Event',
        },
      },
      start: '2023-11-03T19:20:00.000Z',
      end: '2023-11-03T19:50:00.000Z',
      resourceId: 55,
      slotIndex: 325,
    },
    {
      source: 'calendar-view',
      appointment: {
        appointmentId: 13953,
        startTime: '2023-11-03T16:05:00-04:00',
        endTime: '2023-11-03T16:35:00-04:00',
        duration: 30,
        status: 'PENDING',
        location: 'GVH-EastWing 1A',
        isTelehealth: false,
        event: {
          name: 'AP Patient Event',
          categoryType: 'Patient Event',
        },
        notes: '',
        complaint: '',
        resources: [
          {
            resourceId: 1,
            resourceName: 'Ongmore, John',
            resourceType: 'P',
            isAnchorResource: false,
          },
          {
            resourceId: 55,
            resourceName: 'Patel, Arpan',
            resourceType: 'P',
            isAnchorResource: true,
          },
        ],
        patient: {
          patientGuid: 1078100200,
          firstName: 'JMD Rocks PE',
          middleName: 'JMD Rocks PE',
          lastName: 'JMD Rocks PE',
        },
        category: {
          type: 'event',
          value: 'Patient Event',
        },
      },
      start: '2023-11-03T20:05:00.000Z',
      end: '2023-11-03T20:35:00.000Z',
      resourceId: 55,
      slotIndex: 326,
    },
    {
      source: 'calendar-view',
      appointment: {
        appointmentId: 13957,
        startTime: '2023-11-03T16:05:00-04:00',
        endTime: '2023-11-03T16:35:00-04:00',
        duration: 30,
        status: 'PENDING',
        location: 'GVH-EastWing 1A',
        isTelehealth: false,
        event: {
          name: 'AP Patient Event',
          categoryType: 'Patient Event',
        },
        notes: '',
        complaint: '',
        resources: [
          {
            resourceId: 18,
            resourceName: 'Jadhav, Vikas V',
            resourceType: 'P',
            isAnchorResource: false,
          },
          {
            resourceId: 55,
            resourceName: 'Patel, Arpan',
            resourceType: 'P',
            isAnchorResource: true,
          },
        ],
        patient: {
          patientGuid: 1078100200,
          firstName: 'JMD Rocks PE',
          middleName: 'JMD Rocks PE',
          lastName: 'JMD Rocks PE',
        },
        category: {
          type: 'event',
          value: 'Patient Event',
        },
      },
      start: '2023-11-03T20:05:00.000Z',
      end: '2023-11-03T20:35:00.000Z',
      resourceId: 55,
      slotIndex: 327,
    },
    {
      source: 'calendar-view',
      allocatedTimeSlot: {
        event: null,
        timeSlotId: 41,
        location: {
          locationName: 'GVH-EastWing 1A',
          locationGuid: 76600610,
        },
        resources: [
          {
            resourceId: 55,
            resourceName: 'Patel, Arpan',
            resourceType: 'P',
            isAnchorResource: true,
          },
        ],
        patient: {
          firstName: 'AP Reserved Time',
          middleName: 'AP Reserved Time',
          lastName: 'AP Reserved Time',
          birthYear: 0,
          birthMonth: 0,
          birthDay: 0,
          birthTime: '',
          gender: '',
          isEstimatedDob: false,
        },
        additionalInformation: '',
        resourceId: 55,
        startTime: '2023-11-03T16:45:00',
        endTime: '2023-11-03T17:15:00',
        duration: 30,
        sourceType: 'ReserveTime',
        category: {
          type: 'ReserveTime',
          value: 'Patient Event',
        },
      },
      start: '2023-11-03T20:45:00.000Z',
      end: '2023-11-03T21:15:00.000Z',
      resourceId: 55,
      slotIndex: 336,
    },
    {
      source: 'calendar-view',
      allocatedTimeSlot: {
        event: {
          name: 'AP Patient Event',
          categoryType: 'Patient Event',
        },
        timeSlotId: 42,
        location: {
          locationName: 'GVH-EastWing 1A',
          locationGuid: 76600610,
        },
        resources: [
          {
            resourceId: 1,
            resourceName: 'Ongmore, John',
            resourceType: 'P',
            isAnchorResource: false,
          },
          {
            resourceId: 55,
            resourceName: 'Patel, Arpan',
            resourceType: 'P',
            isAnchorResource: true,
          },
        ],
        patient: null,
        additionalInformation: '',
        resourceId: 55,
        startTime: '2023-11-03T17:40:00',
        endTime: '2023-11-03T22:40:00',
        duration: 300,
        sourceType: 'ReserveTime',
        category: {
          type: 'ReserveTime',
          value: 'Patient Event',
        },
      },
      start: '2023-11-03T21:40:00.000Z',
      end: '2023-11-04T02:40:00.000Z',
      resourceId: 55,
      slotIndex: 340,
    },
  ];

var newArr = [];

Tests:

_.each
_.each(array, (value, index) => { console.log(value) })
forEach
array.forEach((value, index) => { console.log(value) })
map
array.map((value, index) => { console.log(value) })
for..of
for (const value of array) { console.log(value) }
for loop
for (let i = 0; i < array.length; i++) { console.log(array[i]) }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
_.each
forEach
map
for..of
for loop

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36

Browser/OS: Chrome 118 on Windows

View result in a separate tab

Test name	Executions per second
_.each	9114.5 Ops/sec
forEach	3244.0 Ops/sec
map	3624.6 Ops/sec
for..of	3182.5 Ops/sec
for loop	4125.8 Ops/sec

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

LLMs can make mistakes. Check important info.

Related benchmarks:

array iteration vs _.each vs map vs for..of vs for loop AP (version: 0)

Comparing performance of: _.each vs forEach vs map vs for..of vs for loop

Created: one year ago by: Guest

Jump to the latest result

_.each

forEach

map

for..of

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):