Benchmark: decimal.js versus native precision

HTML Preparation code:


  <script>
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  </script>

Script Preparation code:

function roundCase(num, prec)
{
    const roundDec = Decimal.clone({ precision: prec+1, rounding: prec});
    return roundDec(num).toDecimalPlaces(prec).toNumber();
}

function roundLogan(num, prec) {
  return Number(Math.round(num+'e'+prec)+'e-'+prec);
}

Tests:

Decimal.js
const answer = roundCase(1.005,2);
Native
const answer = roundLogan(1.005,2);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Decimal.js
Native

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Browser/OS: Chrome 93 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Decimal.js	62645.2 Ops/sec
Native	1897889.2 Ops/sec

Related benchmarks:

decimal.js versus native precision (version: 0)

Let's see what happens.

Comparing performance of: Decimal.js vs Native

Created: 3 years ago by: Guest

Jump to the latest result

Decimal.js

Native

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):