Benchmark: cached stop condition in for loop2

Script Preparation code:

var totalCount = 0;
var arrayToTest = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]

Tests:

non cached
for(let i = 0; i < arrayToTest.length; i++){ totalCount++; }
cached
let lengthTotal = arrayToTest.length; for(let i = 0; i < lengthTotal; i++){ totalCount++; }
non cached complex
for(let i = 0; i < Math.min(10, arrayToTest.length - 1); i++){ totalCount++; }
cached complex
let lengthTotal = Math.min(10, arrayToTest.length - 1); for(let i = 0; i < lengthTotal; i++){ totalCount++; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
non cached
cached
non cached complex
cached complex

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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

LLMs can make mistakes. Check important info.

The provided JSON represents a set of benchmark tests for JavaScript performance comparison. The main goal is to measure the execution time and speed of different approaches for caching the loop condition in a for loop.

**Benchmark Definitions**

There are four individual test cases:

1. **Non-Cached**: This test case uses the traditional `i < arrayToTest.length` approach, where the length of the array is evaluated at each iteration.
2. **Cached**: This test case uses a cached version of the loop condition, where the length of the array is stored in a variable and reused throughout the loop.
3. **Non-Cached Complex**: This test case uses an additional complexity by using `Math.min(10, arrayToTest.length - 1)` as the loop condition, which evaluates to 0 when the array length is less than or equal to 10.
4. **Cached Complex**: This test case combines the caching approach with the complex condition from the previous test case.

**Options Compared**

The two main options being compared are:

* Traditional `i < arrayToTest.length` (non-cached) vs. cached loop condition
* Adding complexity to the loop condition with `Math.min(10, arrayToTest.length - 1)` (complex non-cached) vs. cached complex loop condition

**Pros and Cons**

* **Cached Loop Condition**
	+ Pros: Can lead to better performance by avoiding repeated evaluations of the loop condition.
	+ Cons: May not work correctly if the loop needs to be terminated early due to other conditions.
* **Non-Cached Loop Condition**
	+ Pros: Simple and easy to understand, works well in most cases.
	+ Cons: Can lead to slower performance due to repeated evaluations of the loop condition.

**Other Considerations**

* The caching approach can also depend on the specific use case and requirements. For example, if the loop needs to be terminated early, a cached condition may not work correctly.
* The complexity added to the non-cached condition (e.g., `Math.min(10, arrayToTest.length - 1)`) can impact performance in some cases, but it also adds additional complexity and may not always lead to better results.

**Libraries and Special JS Features**

There are no libraries mentioned in the provided JSON. However, the caching approach relies on understanding of JavaScript's variable scope and hoisting.

**Other Alternatives**

If you're interested in exploring alternative approaches or variations on these benchmarks, here are a few options:

* Compare the performance of using `let` vs. `const` for loop conditions.
* Test the impact of cache size on the performance of cached loops.
* Explore other caching strategies, such as memoization or store-and-reuse approaches.

Feel free to ask if you'd like me to elaborate on any of these points!

Related benchmarks:

cached stop condition in for loop2 (version: 0)

cached stop condition in for loop

Comparing performance of: non cached vs cached vs non cached complex vs cached complex

Created: 6 years ago by: Guest

Jump to the latest result

non cached

cached

non cached complex

cached complex

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):