Benchmark: String parse - MeasureThat.net

Script Preparation code:

function modelCheckOrig(target, ...args) {
    const rgx = /[-_.]/g;
    const processedArgs = [];
    while (args.length) {
        const item = args.pop();
        if (Array.isArray(item)) for (const x of item) args.push(x);
        else processedArgs.push(item.replace(rgx, '[-_.]*'));
    }
    return new RegExp(`\\b(?:${processedArgs.join('|')})\\b`, 'g').test(target);
}

const modelCheckCache = new Map();
function modelCheck(target, ...args) {
    const cacheKey = args.toString();
    let pattern = modelCheckCache.get(cacheKey);
    if (!pattern) {
        let list;
        while (args.length) {
            const item = args.pop();
            if (Array.isArray(item)) for (const x of item) args.push(x);
            else list += !list ? item : `|${item}`;
        }
        pattern = new RegExp(`\\b(?:${list.replace(/[_.-]+/g, '[_.-]*')})\\b`);
        modelCheckCache.set(cacheKey, pattern);
    }
    return pattern.test(target);
}

const modelStrTestCACHE = new Map();

function modelStrTest(target, ...args) {
    const cacheKey = args.toString();
    let pattern = modelStrTestCACHE.get(cacheKey);
    if (!pattern) {
        let list = '';
        while (args.length) {
            const item = args.pop();
            if (Array.isArray(item)) for (const x of item) args.push(x);
            else list += list === '' ? item : `|${item}`;
        }
        pattern = new RegExp(`\\b(?:${list.replace(/[_.-]+/g, '[_.-]*')})\\b`);
        modelStrTestCACHE.set(cacheKey, pattern);
    }
    return pattern.test(target);
}

Tests:

modelCheck
modelCheck('gpt-4o', 'o1', 'o3', '4o');
modelStrTest
modelStrTest('gpt-4o', 'o1', 'o3', '4o');

Historical Performance Data aggregated from 35 community runs

Desktop Results:

Chrome 35 runs

modelCheck2

3.8M/s

modelCheck

3.2M/s

modelCheckOrig

1.5M/s

Fastest: modelCheck2 (2.5x faster)

View exact numbers

✓ modelCheck2: 3,813,707 ops/sec
• modelCheck: 3,151,541 ops/sec
• modelCheckOrig: 1,496,875 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
modelCheck
modelStrTest

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

modelCheck

3.8M/s

modelStrTest

3.7M/s

View exact numbers

Test name	Executions per second
✓ modelCheck	3,758,829 Ops/sec
modelStrTest	3,709,890 Ops/sec

String parse (version: 46)

Comparing performance of: `modelCheck vs modelStrTest`

Created: one year ago by: Registered User

Go to the latest result

modelCheck

modelStrTest

Historical Performance Data aggregated from 35 community runs

Desktop Results:

Chrome 35 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

String parse (version: 46)

Comparing performance of: modelCheck vs modelStrTest

Created: one year ago by: Registered User

Go to the latest result

modelCheck

modelStrTest

Historical Performance Data aggregated from 35 community runs

Desktop Results:

Chrome 35 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `modelCheck vs modelStrTest`