Benchmark: moment duration vs ms

HTML Preparation code:

<script src="
https://cdn.jsdelivr.net/npm/moment@2.30.1/moment.min.js
"></script>

Script Preparation code:

var s = 1e3,
    m = 60 * s,
    h = 60 * m,
    d = 24 * h,
    w = 7 * d,
    y = 365.25 * d;

function parse(e) {
    if (!((e = String(e)).length > 100)) {
        var r = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(e);
        if (r) {
            var a = parseFloat(r[1]);
            switch ((r[2] || "ms").toLowerCase()) {
                case "years":
                case "year":
                case "yrs":
                case "yr":
                case "y":
                    return a * y;
                case "weeks":
                case "week":
                case "w":
                    return a * w;
                case "days":
                case "day":
                case "d":
                    return a * d;
                case "hours":
                case "hour":
                case "hrs":
                case "hr":
                case "h":
                    return a * h;
                case "minutes":
                case "minute":
                case "mins":
                case "min":
                case "m":
                    return a * m;
                case "seconds":
                case "second":
                case "secs":
                case "sec":
                case "s":
                    return a * s;
                case "milliseconds":
                case "millisecond":
                case "msecs":
                case "msec":
                case "ms":
                    return a;
                default:
                    return
            }
        }
    }
}

function fmtShort(e) {
    var r = Math.abs(e);
    return r >= d ? Math.round(e / d) + "d" : r >= h ? Math.round(e / h) + "h" : r >= m ? Math.round(e / m) + "m" : r >= s ? Math.round(e / s) + "s" : e + "ms"
}

function fmtLong(e) {
    var r = Math.abs(e);
    return r >= d ? plural(e, r, d, "day") : r >= h ? plural(e, r, h, "hour") : r >= m ? plural(e, r, m, "minute") : r >= s ? plural(e, r, s, "second") : e + " ms"
}

function plural(s, e, r, a) {
    var n = e >= 1.5 * r;
    return Math.round(s / r) + " " + a + (n ? "s" : "")
}

function ms(s, e) {
    e = e || {};
    var r = typeof s;
    if ("string" === r && s.length > 0) return parse(s);
    if ("number" === r && isFinite(s)) return e.long ? fmtLong(s) : fmtShort(s);
    throw new Error("val is not a non-empty string or a valid number. val=" + JSON.stringify(s))
};

Tests:

moment
moment.duration("2 days").asMilliseconds();
ms
ms("2 days");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
moment
ms

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; rv:140.0) Gecko/20100101 Firefox/140.0

Browser/OS: Firefox 140 on Windows

View result in a separate tab

Test name	Executions per second
moment	221905.4 Ops/sec
ms	5009349.0 Ops/sec

Autogenerated LLM Summary (model gpt-4o-mini, generated one year ago):

LLMs can make mistakes. Check important info.

This benchmark, titled "moment duration vs ms," compares two different methods for converting time durations represented as strings into milliseconds: one using the `moment` library and another using a custom function called `ms`. Here's a breakdown of what each approach entails.

### Options Compared

1. **Moment.js Library**:
   - **Benchmark Definition**: `moment.duration("2 days").asMilliseconds();`
   - **Test Name**: "moment"

2. **Custom Function**:
   - **Benchmark Definition**: `ms("2 days");`
   - **Test Name**: "ms"

### Libraries Used
- **Moment.js**: 
  - A widely-used JavaScript library for parsing, manipulating, and formatting dates and times. The specific usage here is to convert a human-readable duration string (for example, "2 days") into milliseconds. This library abstracts the complexities of handling various formats and provides human-readable APIs.

### Performance Comparison Results
- **Executing as Functions**:
  The benchmark captures the number of executions per second for each method:
  - **`ms` function**: 17,330,398 executions per second
  - **Moment.js**: 955,907.6875 executions per second

### Pros and Cons of the Approaches

#### Moment.js
- **Pros**:
  - **Ease of Use**: Simple and readable syntax for almost any date and time manipulation.
  - **Flexibility**: Handles many date formats and operations.
  - **Established Library**: Well-documented with a large community, which can help resolve issues.
  
- **Cons**:
  - **Performance**: Slower due to overhead from library functions and flexibility.
  - **Bundle Size**: Moment.js is relatively large compared to simple custom functions, which may bloat bundle sizes in web applications not needing extensive date manipulation.

#### Custom `ms` Function
- **Pros**:
  - **Performance**: Significantly faster as it’s simplified and tailored specifically for the task of parsing duration strings.
  - **Less Overhead**: Lightweight in terms of functionality since it supports only minimal operations related to duration parsing.
  
- **Cons**:
  - **Limited Scope**: It may not handle malformed input or complex date manipulations.
  - **Customization Requirement**: It will require further development to incorporate additional features that libraries like Moment.js provide out-of-the-box.

### Other Considerations
- **Maintainability**: The performance gains from custom functions should be weighed against the ease of using established frameworks. For critical applications where performance is paramount, a custom solution may be preferable. On the other hand, for projects where rapid development and ease of use are prioritized, using Moment.js could speed up the development process.
  
- **Alternatives**:
  - **Day.js**: A modern date library that is significantly smaller in size than Moment.js and has a similar API, while being performance-friendly.
  - **date-fns**: Offers modular functions that can be imported as needed, leading to a smaller footprint than loading an entire library.
  - **Luxon**: A date library for the modern JavaScript framework that has a focus on internationalization and time zone manipulation.
  
In conclusion, this benchmark illustrates a typical trade-off between using a comprehensive library that is user-friendly and efficient for simple cases versus crafting a specialized function that maximizes performance for specific use cases. Each option should be chosen based on the requirements of the project, considering factors like performance, feature set, and maintainability.

Related benchmarks:

moment duration vs ms (version: 1)

Comparing performance of: moment vs ms

Created: one year ago by: Registered User

Jump to the latest result

moment

ms

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model gpt-4o-mini, generated one year ago):