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testing
(version: 0)
test
Comparing performance of:
1st vs 2nd
Created:
8 years ago
by:
Guest
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Tests:
1st
var i = "HDMU987481" var a = 0; var x = i.charCodeAt(0)-55; var y = i.charCodeAt(1)-55; var z = i.charCodeAt(2)-55; var w = i.charCodeAt(3)-55; a+=Math.floor(x>>3.35)+x; a+=(Math.floor(y>>3.35)+y)<<1; a+=(Math.floor(z>>3.35)+z)<<2; a+=(Math.floor(w>>3.35)+w)<<3; a+=(j.charCodeAt(4)-48)<<4; a+=(j.charCodeAt(5)-48)<<5; a+=(j.charCodeAt(6)-48)<<6; a+=(j.charCodeAt(7)-48)<<7; a+=(j.charCodeAt(8)-48)<<8; a+=(j.charCodeAt(9)-48)<<9; var b = a % 11 % 10; return b
2nd
var i = "HDMU987481" var a = 0; var x = i.charCodeAt(0)-55; var y = i.charCodeAt(1)-55; var z = i.charCodeAt(2)-55; var w = i.charCodeAt(3)-55; a+=Math.floor(x>>3.35)+x; a+=(Math.floor(y>>3.35)+y)*2; a+=(Math.floor(z>>3.35)+z)*4; a+=(Math.floor(w>>3.35)+w)*8; a+=i.charCodeAt(4)*16-768; a+=i.charCodeAt(5)*32-1536; a+=i.charCodeAt(6)*64-3072; a+=i.charCodeAt(7)*128-6144; a+=i.charCodeAt(8)*256-12288; a+=i.charCodeAt(9)*512-24576; var b = a % 11 % 10; return b
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Suite status:
<idle, ready to run>
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Test case name
Result
1st
2nd
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Benchmark Explanation** The provided benchmark measures the performance of JavaScript code that performs cryptographic calculations, specifically hash function computations. The script preparation code is empty, which means the test cases are self-contained and do not rely on any external libraries or resources. **Test Cases** There are two test cases: 1. **Test Case 1 ("1st")**: This test case calculates a hash value using the provided string `HDMU987481`. The calculation involves shifting and adding values to the result, which suggests that this test case is designed to measure the performance of a cryptographic hash function. 2. **Test Case 2 ("2nd")**: Similar to Test Case 1, this test case calculates a hash value using the same string `HDMU987481`. However, the calculation involves multiplying and adding values to the result, which may indicate that this test case is designed to measure the performance of a different cryptographic hash function or a variant with additional computations. **Library Used** No specific JavaScript library is used in the provided benchmark code. However, it's worth noting that the `charCodeAt()` method and the use of hexadecimal values (e.g., `48`, `49`, etc.) suggest that the benchmark may be designed to test the performance of a hash function implemented using a C-based implementation, such as [MD5](https://en.wikipedia.org/wiki/MD5). **Special JS Features/Syntax** There is no apparent use of special JavaScript features or syntax in the provided code. **Options Compared** The two test cases differ in the way they calculate the hash value: * Test Case 1 uses a simpler calculation with shifting and addition. * Test Case 2 uses a more complex calculation with multiplication and addition. This suggests that the benchmark is designed to compare the performance of different implementations or variants of a cryptographic hash function, with the hope of identifying the fastest one. **Pros and Cons** The pros and cons of these approaches are: * **Test Case 1 (Simpler Calculation)**: + Pros: Faster execution times may be achieved due to fewer computations. + Cons: May not accurately represent the performance of more complex hash functions. * **Test Case 2 (More Complex Calculation)**: + Pros: More accurately represents the performance of more complex hash functions or variants with additional computations. + Cons: May result in slower execution times, which may not be desirable for benchmarking purposes. **Other Alternatives** There are other alternatives to measure the performance of JavaScript code, such as: * **V8 Benchmark**: A built-in benchmarking tool for Node.js that measures the performance of V8 JavaScript engine. * **jsperf**: A web-based benchmarking platform that allows users to compare the performance of different JavaScript implementations. * **Benchmarking frameworks**: Such as Benchmark.js or jsbench, which provide a more structured approach to benchmarking JavaScript code.
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