Benchmark: Teste1-1 - MeasureThat.net

HTML Preparation code:

<html>
  <head>
  	<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.10.1/lodash.min.js"></script>
  </head>
  <body>
  </body>
</html>

Script Preparation code:

var xpath = '/config/interface/gpon/onu[name = //multicast/profile/gpon[id = "5"]/onu[name = "onuName"]/brigde[id = //multicast/profile/gpon[id = "5"]/onu[name = "onuName"]/../../brigde]/onu]/gem/gem-id/status/interface/gpon/onu[name = //multicast/profile/gpon[id = "5"]/onu[name = "onuName"]/gem[id = //multicast/profile/gpon[id = "5"]/onu[name = "onuName"]/../../gem]/onu]/router/gem-id'

var getPredicatesIndexRange = function(xpath) {
    return [[{"start":58,"end":68},{"start":72,"end":90},{"start":127,"end":137},{"start":141,"end":159},{"start":97,"end":173},{"start":26,"end":178}],[{"start":247,"end":257},{"start":261,"end":279},{"start":313,"end":323},{"start":327,"end":345},{"start":283,"end":356},{"start":215,"end":361}]];
}

var getPredicatesInfoOld = function(xpath) {
    var predicates = [];
    var predicatesIndexRange = getPredicatesIndexRange(xpath);
    var index = 0;

    if (predicatesIndexRange !== 0) {
        _.each(predicatesIndexRange, function(predicateIndexes) {
            var predicateInfo = [];
            _.each(predicateIndexes, function(range) {
                var predicate = xpath.substring(range.start, range.end);
                var processedPredicate = predicate;

                _.each(predicateInfo, function(previousPredicate) {
                    processedPredicate = processedPredicate.replace(previousPredicate.predicate, previousPredicate.key);
                });

                predicateInfo.push({
                    key: "[predicate" + index + "]",
                    predicate: predicate,
                    processedPredicate: processedPredicate
                });
                index++;
            });

            predicates.push(predicateInfo);
        });
    }

    return predicates;
};

var getPredicatesInfo = function(xpath) {
    var predicatesIndexRange = getPredicatesIndexRange(xpath);
    
    return _.map(predicatesIndexRange, function(predicateIndexes) {
        var predicatesInfo = _.reduce(predicateIndexes, function(predicates, range, index) {
            var predicate = xpath.substring(range.start, range.end);
            var processedPredicate = predicate;

            _.each(predicates, function(previousPredicate) {
                processedPredicate = processedPredicate.replace(previousPredicate.predicate, previousPredicate.key);
            });

            predicates.push({
                key: "[predicate" + index + "]",
                predicate: predicate,
                processedPredicate: processedPredicate
            });

            return predicates;

        }, []);

        return predicatesInfo;
    });
};

Tests:

reduce
getPredicatesInfo(xpath)
old
getPredicatesInfoOld(xpath)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
reduce
old

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.

Let's break down what's being tested in this benchmark.

**Benchmark Definition JSON**

The provided JSON defines two benchmark definitions:

1. `getPredicatesInfo(xpath)`: This function takes an XPath expression as input and returns an array of objects, where each object contains a predicate key, the original predicate, and the processed predicate.
2. `getPredicatesInfoOld(xpath)`: This function is similar to `getPredicatesInfo`, but it's an older implementation that uses a different approach.

**Script Preparation Code**

The script preparation code defines two functions:

1. `getPredicatesIndexRange(xpath)`: This function takes an XPath expression as input and returns an array of index ranges for the predicates.
2. `getPredicatesInfoOld(xpath)`: This function is similar to `getPredicatesIndexRange`, but it's used in the older implementation.

The `getPredicatesInfo` function uses Lodash's `reduce` method to process the predicate indices, whereas `getPredicatesInfoOld` uses a traditional loop-based approach.

**Html Preparation Code**

The HTML preparation code includes a reference to Lodash's 3.10.1 library, which is used in both benchmark definitions.

**Individual Test Cases**

There are two test cases:

1. "reduce" - This test case runs the `getPredicatesInfo` function.
2. "old" - This test case runs the `getPredicatesInfoOld` function.

**Benchmark Result**

The latest benchmark result shows that both functions perform similarly, with slight variations in execution counts per second (808.47s for "reduce" and 807.42s for "old").

**Options Compared**

The two benchmark definitions compare the performance of:

1. Lodash's `reduce` method (used in `getPredicatesInfo`)
2. A traditional loop-based approach (used in `getPredicatesInfoOld`)

**Pros and Cons**

* **Lodash's `reduce` method:**
	+ Pros:
		- More concise and expressive code
		- Potential performance benefits due to optimized implementation
	+ Cons:
		- May have additional overhead due to library dependencies
		- Can be less intuitive for developers without experience with functional programming
* **Traditional loop-based approach (used in `getPredicatesInfoOld`):**
	+ Pros:
		- Typically faster execution due to reduced overhead from libraries
		- Easier to understand and maintain, especially for developers without experience with functional programming
	+ Cons:
		- More verbose code can lead to errors or inconsistencies

**Other Considerations**

1. **Cache performance**: The benchmark result shows that both functions perform similarly, but there might be caching effects on the second execution.
2. **Library dependencies**: Lodash's library dependencies may introduce additional overhead or variability in the benchmark results.
3. **Browser and environment differences**: The benchmark was run on a specific browser (Chrome 70) and device platform (Desktop). Results might vary across different browsers, devices, or environments.

**Alternatives**

Other approaches to processing predicate indices could include:

1. Using a dedicated XPath library or tool
2. Implementing the logic in a scripting language (e.g., JavaScript)
3. Utilizing a parallel processing framework to execute multiple threads concurrently

However, these alternatives might not provide significant performance benefits or are more complex to implement.

Related benchmarks:

Teste1-1 (version: 0)

Comparing performance of: reduce vs old

Created: 7 years ago by: Guest

Jump to the latest result

reduce

old

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):