Benchmark: cleanJson + delete lock [old vs new]

Script Preparation code:

var obj = {
  "product": "Live JSON generator",
  "lock": "test",
  "version": 3.1,
  "releaseDate": "2014-06-25T00:00:00.000Z",
  "demo": true,
  "person": {
    "id": 12345,
    "name": "John Doe",
    "phones": {
      "home": "800-123-4567",
      "mobile": "877-123-1234"
    },
    "email": [
      "jd@example.com",
      "jd@example.org"
    ],
    "dateOfBirth": "1980-01-02T00:00:00.000Z",
    "registered": true,
    "emergencyContacts": [
      {
        "name": "Jane Doe",
        "phone": "888-555-1212",
        "relationship": "spouse"
      },
      {
        "name": "Justin Doe",
        "phone": "877-123-1212",
        "relationship": "parent"
      }
    ]
  }
}

Tests:

cleanJson (old)
const cleanJson = (obj) => { // LOOP THROUGH ARRAYS let cleaned; if (obj instanceof Array) { cleaned = []; for (const elem of obj) { cleaned.push(cleanJson(elem)); } return cleaned; // CLEAN AN OBJECT } else if (obj && typeof obj === "object") { cleaned = {}; for (const key of Object.keys(obj)) { // If key starts with "$" it is a private variable // If the key starts with _ we are expecting it to be // _id, __v or __t, all of which we don't allow in the clean // JSON as it is not something we want affecting Mongo switch (key.charAt(0)) { case "$": case "_": continue; } // If the key is not one of those on our persistance // blacklist, we clean the sub-JSON cleaned[key] = cleanJson(obj[key]); } return cleaned; } else { return obj; } }; let newObj = cleanJson(obj); delete newObj.lock;
cleanJson (new, ignore lock)
const cleanJson = (obj) => { let out = obj; if (Array.isArray(obj)) { out = []; for (let index = 0; index < obj.length; ++index) { const subArray = obj[index]; out.push(Array.isArray(subArray) || typeof subArray === "object" ? cleanJson(subArray) : subArray); } } else if (typeof obj === "object") { out = {}; for (const key in obj) { const subObject = obj[key]; switch (key.charAt(0)) { case "$": case "_": continue; } if (key === "lock") { continue; } out[key] = Array.isArray(subObject) || typeof subObject === "object" ? cleanJson(subObject) : subObject; } } return out; }; cleanJson(obj);
cleanJson (new, delete lock)
const cleanJson = (obj) => { let out = obj; if (Array.isArray(obj)) { out = []; for (let index = 0; index < obj.length; ++index) { const subArray = obj[index]; out.push(Array.isArray(subArray) || typeof subArray === "object" ? cleanJson(subArray) : subArray); } } else if (typeof obj === "object") { out = {}; for (const key in obj) { const subObject = obj[key]; switch (key.charAt(0)) { case "$": case "_": continue; } out[key] = Array.isArray(subObject) || typeof subObject === "object" ? cleanJson(subObject) : subObject; } } return out; }; let newObj = cleanJson(obj); delete newObj.lock;
cleanJson (new, mark lock)
const cleanJson = (obj) => { let out = obj; if (Array.isArray(obj)) { out = []; for (let index = 0; index < obj.length; ++index) { const subArray = obj[index]; out.push(Array.isArray(subArray) || typeof subArray === "object" ? cleanJson(subArray) : subArray); } } else if (typeof obj === "object") { out = {}; for (const key in obj) { const subObject = obj[key]; switch (key.charAt(0)) { case "$": case "_": continue; } out[key] = Array.isArray(subObject) || typeof subObject === "object" ? cleanJson(subObject) : subObject; } } return out; }; let newObj = cleanJson(obj); newObj.lock = undefined;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
cleanJson (old)
cleanJson (new, ignore lock)
cleanJson (new, delete lock)
cleanJson (new, mark lock)

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4187.0 Safari/537.36

Browser/OS: Chrome 86 on Mac OS X 10.15.5

View result in a separate tab

Test name	Executions per second
cleanJson (old)	133600.6 Ops/sec
cleanJson (new, ignore lock)	166886.5 Ops/sec
cleanJson (new, delete lock)	153900.5 Ops/sec
cleanJson (new, mark lock)	164628.4 Ops/sec

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

LLMs can make mistakes. Check important info.

The final answer is not explicitly requested, but based on the provided benchmark results, I can infer some general insights.

The benchmark test measures the performance of the `cleanJson` function under different conditions:

1. **new, ignore lock**: This variant sets `lock` to `undefined` and ignores it during execution.
2. **new, mark lock**: This variant sets `lock` to a value (not shown in the provided results) and marks it as locked during execution.
3. **new, delete lock**: This variant deletes the `lock` property after creating the new object.

The benchmark results show that:

* The `cleanJson (new, ignore lock)` variant has the highest executions per second (166,886.52), indicating fast performance with this approach.
* The `cleanJson (new, mark lock)` variant has a lower execution rate (164,628.36) compared to ignoring the lock, suggesting that marking the lock adds some overhead.
* The `cleanJson (new, delete lock)` variant has the lowest execution rate (153,900.48), which might be due to the additional deletion operation.

To make an informed decision about which variant is best, you should consider your specific use case and requirements:

* If you want fast performance without worrying about locking mechanisms, use `ignore lock`.
* If you prioritize performance over simplicity, use `mark lock`, but be aware of the potential overhead.
* If you need to maintain some level of control or consistency with your locking mechanism, use `delete lock`.

Keep in mind that these are general insights based on the provided results and might not reflect the optimal solution for your specific scenario.

Related benchmarks:

cleanJson + delete lock [old vs new] (version: 4)

Comparing performance of: cleanJson (old) vs cleanJson (new, ignore lock) vs cleanJson (new, delete lock) vs cleanJson (new, mark lock)

Created: 4 years ago by: Registered User

Jump to the latest result

cleanJson (old)

cleanJson (new, ignore lock)

cleanJson (new, delete lock)

cleanJson (new, mark lock)

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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