Benchmark: if for loop speed test v2

Tests:

one for loop and one if statement
function allcharsIndex(n = 0, limit = 65520) { if (typeof n !== "number") { // eslint-disable-next-line no-throw-literal throw "parameter 1 is not of type number"; } if (typeof limit !== "number") { // eslint-disable-next-line no-throw-literal throw "parameter 2 is not of type number"; } if (limit > 65520) limit = 65520; function getCh(eye) { let cnt = 0; let char = String.fromCharCode(eye); let cg = char; while (cnt++ < n) { char = `${char}${cg}`; } return char; } let characters = [getCh(32), getCh(33)]; for (let i = 35; i < 65520; i++) { if (characters.length >= limit) return [...characters]; if ( i === 92 || i === 127 || i === 128 || i === 129 || i === 130 || i === 131 || i === 132 || i === 133 || i === 134 || i === 135 || i === 136 || i === 137 || i === 138 || i === 139 || i === 140 || i === 141 || i === 142 || i === 143 || i === 144 || i === 145 || i === 146 || i === 147 || i === 148 || i === 149 || i === 150 || i === 151 || i === 152 || i === 153 || i === 154 || i === 155 || i === 156 || i === 157 || i === 158 || i === 159 || i === 173 || i === 1536 || i === 1537 || i === 1538 || i === 1539 || i === 1540 || i === 1807 || i === 6068 || i === 6069 || i === 8204 || i === 8205 || i === 8206 || i === 8207 || i === 8232 || i === 8233 || i === 8234 || i === 8235 || i === 8236 || i === 8237 || i === 8238 || i === 8239 || i === 8288 || i === 8289 || i === 8290 || i === 8291 || i === 8292 || i === 8293 || i === 8294 || i === 8295 || i === 8296 || i === 8297 || i === 8298 || i === 8299 || i === 8300 || i === 8301 || i === 8302 || i === 8303 || i === 65279 ) continue; characters.push(getCh(i)); } return [...characters]; } allcharsIndex();
one for loop and manipulating value of index
function allcharsIndex(n = 0, limit = 65520) { if (typeof n !== "number") { // eslint-disable-next-line no-throw-literal throw "parameter 1 is not of type number"; } if (typeof limit !== "number") { // eslint-disable-next-line no-throw-literal throw "parameter 2 is not of type number"; } if (limit > 65520) limit = 65520; function getCh(eye) { let cnt = 0; let char = String.fromCharCode(eye); let cg = char; while (cnt++ < n) { char = `${char}${cg}`; } return char; } let characters = [getCh(32), getCh(33)]; for (let i = 35; i < 65520; i++) { if (characters.length >= limit) return [...characters]; if (i === 127) { i = 159; continue; } if (i === 1536) { i = 1540; continue; } if (i === 8204) { i = 8207; continue; } if (i === 8232) { i = 8239; continue; } if (i === 8288) { i = 8303; continue; } if (i === 8288) { i = 8303; continue; } if ( i === 92 || i === 173 || i === 1807 || i === 6068 || i === 6069 || i === 65279 ) continue; characters.push(getCh(i)); } return [...characters]; } allcharsIndex();
no if checks just many for loops
function allcharsIndex(n = 0, limit = 65520) { if (typeof n !== "number") { // eslint-disable-next-line no-throw-literal throw "parameter 1 is not of type number"; } if (typeof limit !== "number") { // eslint-disable-next-line no-throw-literal throw "parameter 2 is not of type number"; } if (limit > 65520) limit = 65520; function getCh(eye) { let cnt = 0; let char = String.fromCharCode(eye); let cg = char; while (cnt++ < n) { char = `${char}${cg}`; } return char; } let characters = [getCh(32), getCh(33)]; for (let i = 35; i < 92; i++) { if (characters.length >= limit) return [...characters]; characters.push(getCh(i)); } for (let i = 93; i < 127; i++) { if (characters.length >= limit) return [...characters]; characters.push(getCh(i)); } for (let i = 160; i < 173; i++) { if (characters.length >= limit) return [...characters]; characters.push(getCh(i)); } for (let i = 174; i < 1536; i++) { if (characters.length >= limit) return [...characters]; characters.push(getCh(i)); } for (let i = 1541; i < 1807; i++) { if (characters.length >= limit) return [...characters]; characters.push(getCh(i)); } for (let i = 1808; i < 6068; i++) { if (characters.length >= limit) return [...characters]; characters.push(getCh(i)); } for (let i = 6070; i < 8204; i++) { if (characters.length >= limit) return [...characters]; characters.push(getCh(i)); } for (let i = 8208; i < 8232; i++) { if (characters.length >= limit) return [...characters]; characters.push(getCh(i)); } for (let i = 8240; i < 8288; i++) { if (characters.length >= limit) return [...characters]; characters.push(getCh(i)); } for (let i = 8304; i < 65279; i++) { if (characters.length >= limit) return [...characters]; characters.push(getCh(i)); } for (let i = 65280; i < 65520; i++) { if (characters.length >= limit) return [...characters]; characters.push(getCh(i)); } return [...characters]; } allcharsIndex();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
one for loop and one if statement
one for loop and manipulating value of index
no if checks just many for loops

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.20 Safari/537.36

Browser/OS: Chrome 104 on Windows

View result in a separate tab

Test name	Executions per second
one for loop and one if statement	42.0 Ops/sec
one for loop and manipulating value of index	42.5 Ops/sec
no if checks just many for loops	42.6 Ops/sec

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

LLMs can make mistakes. Check important info.

A code benchmarking analysis!

Based on the provided information, here's my interpretation:

**Benchmark Purpose:**
The test measures the performance of two different approaches to generating a string containing all printable ASCII characters.

**Approach 1: "no if checks just many for loops"**
This approach uses many `for` loops to iterate through specific ranges of ASCII values (e.g., 32-92, 93-127, etc.) and appends each character to an array using the `getCh(i)` function.

**Approach 2:**
The second approach is not explicitly shown in the provided code snippet. However, based on the benchmark results, we can infer that this approach uses a combination of loops and conditional statements (specifically, one `for` loop and one `if` statement) to achieve better performance.

**Benchmark Results:**

1. **Approach 1**: With an execution frequency of 42.59 executions per second, Approach 1 is relatively slow compared to the other two approaches.
2. **Approach 2 (with one for loop and no if checks)**: This approach has an execution frequency of 42.52 executions per second, which is slightly faster than Approach 1.
3. **Approach 2 (with one for loop and one if statement)**: With an execution frequency of 42.03 executions per second, this approach outperforms both Approach 1 and the "one for loop" version of Approach 2.

**Conclusion:**
To achieve optimal performance, it seems that using a combination of loops and conditional statements (like `if` statements) can be more efficient than relying on many `for` loops without any optimizations.

Related benchmarks:

if for loop speed test v2 (version: 2)

testing for loop stuff

Comparing performance of: one for loop and one if statement vs one for loop and manipulating value of index vs no if checks just many for loops

Created: one year ago by: Registered User

Jump to the latest result

one for loop and one if statement

one for loop and manipulating value of index

no if checks just many for loops

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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