Benchmark: test property access

Script Preparation code:

var testObj1 = {a: 28, b: 82, c: "hello", d: 983, e: 'lara', property: 32, f: '82828', property1: "asd"};

function get_property(obj) {
    return obj["property"];
}
//testObj2.new_prop = "sdfsdf" ;
var C = 100000;

Tests:

direct
var result; for (var i = 0; i < C; i++) { result = testObj1.property; result += testObj1.property1; }
get_function
var result; for (var i = 0; i < C; i++) { result = get_property(testObj1) result += testObj1.property1; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
direct
get_function

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

I'll break down the provided JSON benchmark definition and test cases to explain what's being tested, compared, and discussed.

**Benchmark Definition:**
The provided JSON represents a JavaScript microbenchmarking definition. It contains two main sections:

1. **Script Preparation Code**: This section contains the code that sets up the environment for the benchmark. In this case, it defines an object `testObj1` with various properties, including some numeric and string values.
2. **Html Preparation Code**: This section is empty, indicating that no HTML preparation code is needed.

**Individual Test Cases:**
The JSON also includes two individual test cases:

1. **"direct"**: This test case runs a simple for loop that iterates `C` times, accessing the `property` and `property1` properties of `testObj1` directly.
2. **"get_function"**: This test case calls a function `get_property` to access the `property` property of `testObj1`, and then adds the value of `property1` to the result.

**Libraries:**
In this benchmark, there is no explicit library mentioned. However, the `get_property` function is a custom implementation that accesses the `property` property of `testObj1`.

**Special JS Features or Syntax:**
None are explicitly mentioned in this benchmark.

**Options Compared:**

The two test cases compare the performance difference between directly accessing properties (`direct`) and using a custom function to access properties (`get_function`). The `C` variable controls the number of iterations, which affects the execution time of both tests.

**Pros and Cons:**

1. **Direct Access (```)**:
	* Pros:
		+ Simple and straightforward approach.
		+ No function call overhead.
	* Cons:
		+ May lead to slower performance due to property lookup.
2. **Using a Custom Function (`get_property`)**:
	* Pros:
		+ Avoids the overhead of property lookup by using a function call.
	* Cons:
		+ Adds an extra layer of complexity and potential performance overhead.

**Considerations:**

* The choice between direct access and using a custom function may depend on the specific use case, such as whether the `property` value is static or dynamic.
* In this benchmark, both approaches have similar execution times, suggesting that the difference may be negligible for small values of `C`.

**Alternatives:**
Some alternative approaches to compare might include:

* Using a library like Lodash to access properties in a more concise and efficient way.
* Implementing a caching mechanism to store frequently accessed property values.
* Experimenting with different optimization techniques, such as memoization or parallel processing.

Keep in mind that the choice of alternatives depends on the specific requirements and constraints of the project.

Latest run results:

Run details: (Test run date: 2025 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.119 Safari/537.36

Browser/OS: Chrome 64 on Linux

View result in a separate tab

Test name	Executions per second
direct	37.8 Ops/sec
get_function	28.9 Ops/sec

Related benchmarks:

test property access (version: 0)

Comparing performance of: direct vs get_function

Created: 6 years ago by: Guest

Jump to the latest result

direct

get_function

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):