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test of whatever
(version: 0)
Comparing performance of:
bigger than vs equal to
Created:
8 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var a = 0; var b = -1;
Tests:
bigger than
while (a<1000) { if(b < 0) a++; }
equal to
while (a<1000) { if(b === -1) a++; }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
bigger than
equal to
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll explain the benchmark and its components in detail. **Benchmark Definition** The provided JSON represents the definition of a JavaScript microbenchmark. A microbenchmark is a small piece of code designed to measure the performance of specific parts of an application. In this case, we have two benchmarks: 1. "test of whatever" 2. Two test cases: "bigger than" and "equal to" **Script Preparation Code** The script preparation code is executed before running each benchmark: ```javascript var a = 0; var b = -1; ``` This sets the initial values of two variables, `a` and `b`, which are used in both benchmarks. **Html Preparation Code** There is no html preparation code provided. This means that there is no additional HTML setup or rendering required before running each benchmark. **Test Cases** Each test case represents a specific scenario to be measured: 1. "bigger than": ```javascript while (a<1000) { if(b < 0) a++; } ``` This loop increments `a` when the condition `b < 0` is true. The loop will continue until `a` reaches 1000. 2. "equal to": ```javascript while (a<1000) { if(b === -1) a++; } ``` This loop increments `a` when the condition `b === -1` is true. The loop will continue until `a` reaches 1000. **Pros and Cons** Both approaches have their pros and cons: * "Bigger Than" test case: + Pros: This approach can detect performance differences in situations where `b` might be close to 0, but not exactly equal to it. + Cons: The loop will continue indefinitely if the condition is never true, which can lead to inaccurate results if the benchmark is run for a short duration. * "Equal To" test case: + Pros: This approach ensures that `a` reaches 1000 regardless of when the condition is true. It provides more accurate results, especially in short benchmark runs. + Cons: If the loop is never true, it can lead to an inaccurate result if the benchmark is run for a short duration. **Library** There is no library used in this benchmark. However, it's likely that some JavaScript engine or browser-specific features are being utilized. **Special JS Features or Syntax** The benchmarks use simple JavaScript syntax and do not involve any special features like async/await, Promises, or Web APIs. **Alternatives** Other alternatives for writing microbenchmarks include: 1. Benchmarking frameworks: There are several benchmarking frameworks available, such as Benchmark.js, Benchmark-SR, or Microbenchmark. 2. Language-specific performance tools: Some programming languages have built-in performance tools or libraries that can be used to write benchmarks. 3. Online benchmarking platforms: Websites like jsperf (now retired) or Benchmarks.net allow users to create and share benchmarks. Keep in mind that the choice of benchmarking framework, language, or tool will depend on your specific use case and requirements.
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