Benchmark: array levels 2 - MeasureThat.net

Tests:

one
const o = { "abc": "some text", "abc1": "some text", "abc2": "some text", "abc3": "some text", "abc4": "some text", "abc5": "some text", "abc6": "some text" }; console.log(o.abc); console.log(o.abc1); console.log(o.abc2); console.log(o.abc3); console.log(o.abc4); console.log(o.abc5); console.log(o.abc6);
multi
const o = { "a": {"b":{"c": "some text"}}, "a1": {"b":{"c1": "some text"}}, "a2": {"b":{"c2": "some text"}}, "a3": {"b":{"c3": "some text"}}, "a4": {"b":{"c4": "some text"}}, "a5": {"b":{"c5": "some text"}}, "a6": {"b":{"c6": "some text"}}, }; console.log(o.a.b.c); console.log(o.a1.b.c); console.log(o.a2.b.c); console.log(o.a3.b.c); console.log(o.a4.b.c); console.log(o.a5.b.c); console.log(o.a6.b.c);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
one
multi

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

Let's break down the provided JSON and explain what's being tested, compared, and considered in this JavaScript microbenchmark.

**Benchmark Definition**

The benchmark definition is an empty object with no specific details provided. This suggests that the benchmark is focusing on the execution performance of simple JavaScript expressions without any additional context or setup.

**Individual Test Cases**

There are two test cases:

1. **"one"`**: This test case measures the execution time of a single variable access: `console.log(o.abc);`. The variable `o` is an object with multiple properties, including `abc`.
2. **"multi"`**: This test case measures the execution time of accessing nested object properties: `console.log(o.a.b.c);`. This involves two levels of nesting within the object.

**Comparison and Considerations**

The benchmark appears to be comparing two approaches:

1. **Direct Property Access (single variable access)**: This approach accesses a single property directly, like `o.abc`.
2. **Nested Object Access (multi)`**: This approach accesses nested properties using dot notation, like `o.a.b.c`.

**Pros and Cons of Each Approach**

* **Direct Property Access (single variable access)**
	+ Pros:
		- Typically faster due to less overhead from the JavaScript engine.
		- Can be more efficient for simple property accesses.
	+ Cons:
		- May not work well with objects that have many nested properties.
		- Can lead to slower performance if the object is very large or complex.
* **Nested Object Access (multi)`
	+ Pros:
		- Can handle deeply nested objects without performance degradation.
		- Provides more flexibility for accessing properties in a hierarchical structure.
	+ Cons:
		- Typically slower due to the additional overhead from the JavaScript engine.

**Library and Special Features**

There is no explicit mention of any libraries or special features being used in these test cases. The benchmark appears to be focusing on basic JavaScript object access patterns.

**Other Alternatives**

If you're interested in exploring alternative approaches, here are a few examples:

* **Using `in` operator instead of dot notation**: Instead of using dot notation (`o.a.b.c`), you could use the `in` operator to check if the property exists before accessing it.
* **Caching intermediate results**: If you know that the same nested properties will be accessed multiple times, consider caching the result in a variable or object to avoid repeated computations.
* **Using a more efficient data structure**: Depending on your specific use case, you might consider using a data structure optimized for fast property access, such as a hash table or a trie.

Keep in mind that these alternatives may not be applicable to every scenario and can introduce additional complexity. The benchmark's focus on basic object access patterns suggests that the current implementation is suitable for its intended purpose.

Related benchmarks:

array levels 2 (version: 0)

Comparing performance of: one vs multi

Created: 3 years ago by: Guest

Jump to the latest result

one

multi

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):