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testtesttest
(version: 0)
test
Comparing performance of:
testa vs testb
Created:
8 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
function CLAMP_INT( x, min, max ) { x = x - ((x - max) & ((max - x) >> 31)); return x - ((x - min) & ((x - min) >> 31)); } function CLAMP( x, min, max) { return Math.min(Math.max(x, min), max); }; var i = 0
Tests:
testa
while (i < 50000) { CLAMP(5,1,25) i++; };
testb
while (i < 50000) { CLAMP_INT(5,1,25) i++; };
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
testa
testb
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net. **Benchmark Definition** The provided JSON represents a benchmark definition, which is a set of instructions that define how to run a specific test case. In this case, there are two benchmark definitions: 1. `while (i < 50000) { CLAMP(5,1,25) i++; };` 2. `while (i < 50000) { CLAMP_INT(5,1,25) i++; };` These two benchmarks are similar, but they use different functions to clamp the value of `i` between 1 and 25. **CLAMP and CLAMP_INT Functions** The `CLAMP` function is a built-in JavaScript function that clamps a value within a specified range. It returns the minimum of the maximum and the value, ensuring it stays within the given bounds. On the other hand, the `CLAMP_INT` function is a custom implementation that uses bitwise operations to clamp an integer value between two limits. This approach avoids using the `Math.min()` and `Math.max()` functions, which can be slower than direct calculations. **Comparison of Options** When comparing these two approaches, here are some pros and cons: * **CLAMP**: Pros: + Built-in function in JavaScript, so it's widely supported. + Can be faster since it uses built-in arithmetic operations. * Cons: + May not perform as well for very large ranges or extreme values. * **CLAMP_INT**: Pros: + Custom implementation that can provide better performance for specific use cases. + Avoids using `Math.min()` and `Math.max()`, which might be slower for some browsers or platforms. * Cons: + Not a built-in function in JavaScript, so it may not work on all platforms or browsers. + Requires more complex code to implement. **Other Considerations** When running these benchmarks, other factors that might affect performance include: * **Browser and platform**: Different browsers and platforms may have varying levels of support for certain functions or optimizations. MeasureThat.net's results are likely influenced by the browser and platform used to run the benchmark. * **Optimization techniques**: Some browsers or platforms might use optimization techniques like inlining, caching, or just-in-time (JIT) compilation that can affect performance. **Library Usage** There is no explicit library usage mentioned in the provided JSON. However, it's worth noting that some libraries like `lodash` or `moment.js` might be used in real-world applications to implement similar clamping functions. **Special JS Features or Syntax** In this case, there are no special JavaScript features or syntax being used beyond the basic language constructs and built-in functions.
Related benchmarks:
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fastest clamp
JavaScript: clamp() variants
Clamp Integers by various methods
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