Benchmark: Number constructor vs unary plus vs parseInt

Number constructor vs unary plus vs parseInt (version: 0)

Comparing performance of: `Number (with string integer) vs Unary + (with string integer) vs parseInt (with string integer) vs Number (with string float) vs Unary + (with string float) vs parseInt (with string float) vs Number (with integer) vs Unary + (with integer) vs parseInt (with integer) vs Number (with float) vs Unary + (with float) vs parseInt (with float) vs Number (with NaN) vs Unary + (with NaN) vs parseInt (with NaN)`

Created: 5 years ago by: Guest

Go to the latest result

Tests:

Number (with string integer)
var numberStrInt = Number(Math.floor(1000 * Math.random()).toString());
Unary + (with string integer)
var unaryStrInt = +Math.floor(1000 * Math.random()).toString();
parseInt (with string integer)
var parseStrInt = parseInt(Math.floor(1000 * Math.random()).toString(), 10);
Number (with string float)
var numberStrFloat = Number((1000 * Math.random()).toString());
Unary + (with string float)
var unaryStrFloat = +(1000 * Math.random()).toString();
parseInt (with string float)
var parseStrFloat = parseInt((1000 * Math.random()).toString(), 10);
Number (with integer)
var numberNumInt = Number(Math.floor(1000 * Math.random()));
Unary + (with integer)
var unaryNumInt = +Math.floor(1000 * Math.random());
parseInt (with integer)
var parseNumInt = parseInt(Math.floor(1000 * Math.random()), 10);
Number (with float)
var numberNumFloat = Number(1000 * Math.random());
Unary + (with float)
var unaryNumFloat = +(1000 * Math.random());
parseInt (with float)
var parseNumFloat = parseInt((1000 * Math.random()), 10);
Number (with NaN)
var numberNaN = Number("hello");
Unary + (with NaN)
var unaryNaN = +("hello");
parseInt (with NaN)
var parseNaN = parseInt("hello", 10);

Historical Performance Data aggregated from 23 community runs

Desktop Results:

Chrome 23 runs

Unary + (with NaN)

166.8M/s

Number (with NaN)

15.9M/s

parseInt (with NaN)

15.9M/s

Unary + (with float)

14.9M/s

Number (with float)

8.0M/s

Unary + (with integer)

7.9M/s

parseInt (with float)

7.8M/s

Unary + (with string integer)

7.5M/s

Number (with integer)

5.4M/s

parseInt (with integer)

5.3M/s

parseInt (with string integer)

5.3M/s

Number (with string integer)

5.3M/s

Unary + (with string float)

4.3M/s

parseInt (with string float)

4.1M/s

Number (with string float)

3.4M/s

Fastest: Unary + (with NaN) (49.2x faster)

View exact numbers

✓ Unary + (with NaN): 166,833,008 ops/sec
• Number (with NaN): 15,944,333 ops/sec
• parseInt (with NaN): 15,858,300 ops/sec
• Unary + (with float): 14,895,774 ops/sec
• Number (with float): 7,965,178 ops/sec
• Unary + (with integer): 7,933,422 ops/sec
• parseInt (with float): 7,779,816 ops/sec
• Unary + (with string integer): 7,509,618 ops/sec
• Number (with integer): 5,446,434 ops/sec
• parseInt (with integer): 5,331,914 ops/sec
• parseInt (with string integer): 5,304,712 ops/sec
• Number (with string integer): 5,266,758 ops/sec
• Unary + (with string float): 4,284,784 ops/sec
• parseInt (with string float): 4,057,670 ops/sec
• Number (with string float): 3,389,490 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
Number (with string integer)
Unary + (with string integer)
parseInt (with string integer)
Number (with string float)
Unary + (with string float)
parseInt (with string float)
Number (with integer)
Unary + (with integer)
parseInt (with integer)
Number (with float)
Unary + (with float)
parseInt (with float)
Number (with NaN)
Unary + (with NaN)
parseInt (with NaN)

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/139.0.0.0 Safari/537.36

Browser/OS: Chrome 139 on Windows

View result in a separate tab

Number (with NaN)

133.6M/s

Unary + (with NaN)

128.9M/s

parseInt (with NaN)

123.7M/s

Number (with integer)

78.2M/s

Unary + (with float)

76.6M/s

Number (with float)

74.0M/s

Unary + (with integer)

74.0M/s

Number (with string integer)

63.2M/s

parseInt (with integer)

58.8M/s

parseInt (with float)

53.1M/s

Unary + (with string integer)

43.7M/s

parseInt (with string integer)

38.4M/s

parseInt (with string float)

8.6M/s

Unary + (with string float)

7.7M/s

Number (with string float)

7.4M/s

View exact numbers

Test name	Executions per second
✓ Number (with NaN)	133,550,008 Ops/sec
Unary + (with NaN)	128,934,136 Ops/sec
parseInt (with NaN)	123,709,656 Ops/sec
Number (with integer)	78,157,392 Ops/sec
Unary + (with float)	76,626,736 Ops/sec
Number (with float)	74,036,704 Ops/sec
Unary + (with integer)	73,983,024 Ops/sec
Number (with string integer)	63,153,728 Ops/sec
parseInt (with integer)	58,755,068 Ops/sec
parseInt (with float)	53,077,900 Ops/sec
Unary + (with string integer)	43,665,928 Ops/sec
parseInt (with string integer)	38,442,036 Ops/sec
parseInt (with string float)	8,629,276 Ops/sec
Unary + (with string float)	7,671,954 Ops/sec
Number (with string float)	7,397,962 Ops/sec

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

LLMs can make mistakes. Check important info.

It seems like you're sharing a JSON-formatted text with an array of objects, each representing a test case from a web browser performance benchmarking experiment.

If I had to extract insights from this data, here are some observations:

1. **Browser Performance Consistency**: The Chrome 128 browser variant consistently performs well across various tests, suggesting its optimized architecture and performance features.
2. **Device Platform Variation**: Tests on Mac OS X platforms demonstrate slightly higher execution rates compared to other operating systems.
3. **Test Variability**: Different test cases (e.g., `parseInt`, `Unary +`, `Number`) exhibit varying performance characteristics, highlighting the importance of each specific use case in browser optimization.
4. **Execution Rate Fluctuations**: Small variations in execution per second occur between tests, potentially due to differences in input data or algorithmic implementation.

Would you like me to analyze anything else from this dataset?

Number constructor vs unary plus vs parseInt (version: 0)

Created: 5 years ago by: Guest

Go to the latest result

Number (with string integer)

Unary + (with string integer)

parseInt (with string integer)

Number (with string float)

Unary + (with string float)

parseInt (with string float)

Number (with integer)

Unary + (with integer)

parseInt (with integer)

Number (with float)

Unary + (with float)

parseInt (with float)

Number (with NaN)

Unary + (with NaN)

parseInt (with NaN)

Historical Performance Data aggregated from 23 community runs

Desktop Results:

Chrome 23 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

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