Benchmark: add vs multiply (working)

Script Preparation code:

var x = 0;

Tests:

mult
for (let i = 0; i < 100000; i ++){ x = x * 2; }
add
for (let i = 0; i < 100000; i ++){ x = x + x; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
mult
add

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser/OS: Chrome 133 on Linux

View result in a separate tab

Test name	Executions per second
mult	60.9 Ops/sec
add	61.5 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net!

The provided JSON represents a benchmark definition, which includes the script preparation code and HTML preparation code (in this case, both are empty). This is where the actual benchmarking happens.

**Script Preparation Code:**
```javascript
var x = 0;
```
This code initializes a variable `x` to 0. The purpose of this line is not directly related to the performance test itself but rather serves as a setup for the subsequent loop in each test case.

**Html Preparation Code:**
Empty, meaning no additional HTML code needs to be generated before running the benchmark.

Now, let's analyze the individual test cases:

1. **mult (Multiply):**
```javascript
for (let i = 0; i < 100000; i ++){ x = x * 2; }
```
This loop multiplies `x` by 2 in each iteration for a total of 100,000 times.

**Pros and Cons:**

* **Pros:** Simple multiplication operation makes it easier to test the CPU's arithmetic capabilities.
* **Cons:** Does not utilize any specialized features or libraries that might be available on modern CPUs.

2. **add (Add):**
```javascript
for (let i = 0; i < 100000; i ++){ x = x + x; }
```
This loop adds `x` to itself in each iteration for a total of 100,000 times.

**Pros and Cons:**

* **Pros:** Similar to multiplication, this test is also simple and focuses on the CPU's arithmetic capabilities.
* **Cons:** Also uses a basic operation that might not be representative of real-world use cases.

Both tests rely on the same script preparation code (`var x = 0;`) and utilize the `for` loop to execute a repetitive operation. They do not utilize any specialized JavaScript features or libraries, which is likely a design choice to isolate the performance of basic arithmetic operations from other factors.

**Library Usage:**
None of these test cases seem to rely on specific JavaScript libraries for their execution. The focus appears to be solely on measuring the performance of the CPU's arithmetic capabilities in a controlled environment.

**Special JS Features or Syntax:**
Neither of the two tests utilizes any special JavaScript features or syntax that would require additional consideration.

**Other Alternatives:**

For more comprehensive benchmarking, MeasureThat.net offers various alternative test cases that might be worth exploring:

* Binary search
* Fibonacci sequence generation
* String manipulation (e.g., concatenation, substring extraction)
* Regular expressions

These alternatives can provide a more nuanced understanding of how different JavaScript operations interact with the CPU and potentially uncover performance bottlenecks in real-world applications.

Keep in mind that MeasureThat.net is specifically designed to test the performance of JavaScript microbenchmarks, so exploring these alternative test cases will give you a better understanding of how your code might perform under various scenarios.

Related benchmarks:

add vs multiply (working) (version: 0)

Comparing performance of: mult vs add

Created: 3 years ago by: Guest

Jump to the latest result

mult

add

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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