Benchmark: parenthesis or not

Tests:

parenthesis
var j = "MSKU765112"; var s = 0; s+=(Math.floor((j.charCodeAt(0)-55)/10.2)+(j.charCodeAt(0)-55))*1; s+=(Math.floor((j.charCodeAt(1)-55)/10.2)+(j.charCodeAt(1)-55))*2; s+=(Math.floor((j.charCodeAt(2)-55)/10.2)+(j.charCodeAt(2)-55))*4; s+=(Math.floor((j.charCodeAt(3)-55)/10.2)+(j.charCodeAt(3)-55))*8; s+=j.charCodeAt(4)*16-768; s+=j.charCodeAt(5)*32-1536; s+=j.charCodeAt(6)*64-3072; s+=j.charCodeAt(7)*128-6144; s+=j.charCodeAt(8)*256-12288; s+=j.charCodeAt(9)*512-24576; return s;
without
var j = "MSKU765112"; var s = 0; var c = j.charCodeAt(0)-55; s+=(Math.floor(c/10.2)+c)*1; var c = j.charCodeAt(1)-55; s+=(Math.floor(c/10.2)+c)*2; var c = j.charCodeAt(2)-55; s+=(Math.floor(c/10.2)+c)*4; var c = j.charCodeAt(3)-55; s+=(Math.floor(c/10.2)+c)*8; s+=j.charCodeAt(4)*16-768; s+=j.charCodeAt(5)*32-1536; s+=j.charCodeAt(6)*64-3072; s+=j.charCodeAt(7)*128-6144; s+=j.charCodeAt(8)*256-12288; s+=j.charCodeAt(9)*512-24576; return s;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
parenthesis
without

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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

LLMs can make mistakes. Check important info.

**What is being tested?**

MeasureThat.net is testing the performance of parsing and processing an encoded string in JavaScript. The encoded string is supposed to represent a unique identifier, similar to a UUID (Universally Unique Identifier). There are two versions of the encoding:

1. **With parentheses**: This version uses explicit parentheses to group certain characters together for faster parsing.
2. **Without parentheses**: This version omits the parentheses, making it a simpler and more straightforward parsing task.

**Options being compared**

The benchmark is comparing the performance of these two encoding methods in JavaScript.

**Pros and Cons of each approach:**

* **With parentheses (parenthesis)**:
	+ Pros:
		- Faster parsing due to explicit grouping.
		- May reduce ambiguity in parsing.
	+ Cons:
		- Adds extra characters to the encoded string, potentially increasing storage requirements or transmission overhead.
		- May lead to more complex code if not implemented correctly.
* **Without parentheses (without)**:
	+ Pros:
		- Simpler and more concise encoding.
		- Potentially reduces storage requirements or transmission overhead.
	+ Cons:
		- May be slower due to less explicit grouping, potentially increasing parsing complexity.

**Library usage**

There is no explicit library mentioned in the benchmark definition. However, it's likely that the JavaScript engine being tested (e.g., SpiderMonkey for Firefox) uses its internal parsing mechanisms to process the encoded strings.

**Special JS feature or syntax**

There is a special case of using `charCodeAt()` to extract individual ASCII characters from the string, which may not be immediately apparent. This suggests that the benchmark is focused on optimizing the processing of specific data formats (in this case, a custom UUID-like identifier).

**Benchmark result interpretation**

The latest benchmark results show two sets of execution counts per second:

* With parentheses: 67668440.0 executions/second
* Without parentheses: 66781272.0 executions/second

This suggests that the `with parentheses` encoding method is slightly faster, but the difference is relatively small (about 7%).

**Other alternatives**

If this benchmark were to be expanded or modified, other alternatives could include:

1. Using a different encoding scheme (e.g., base64).
2. Implementing custom parsing logic for specific data formats.
3. Comparing performance with alternative JavaScript engines or runtimes.

Keep in mind that this analysis is based on the provided benchmark definition and test cases, which may be subject to change or expansion.

Related benchmarks:

parenthesis or not (version: 0)

Comparing performance of: parenthesis vs without

Created: 8 years ago by: Guest

Jump to the latest result

parenthesis

without

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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