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Deep merge lodash vs ramda vs deepmerge - concat arrays
(version: 0)
Comparing performance of:
Ramda.mergeDeepWith vs Lodash.merge vs deepmerge
Created:
5 years ago
by:
Guest
Go to the latest result
HTML Preparation code:
<script src="//cdn.jsdelivr.net/npm/ramda@latest/dist/ramda.min.js"></script> <script src="https://raw.githubusercontent.com/lodash/lodash/4.17.15-npm/lodash.js"></script> <script src="https://unpkg.com/deepmerge/dist/umd.js"></script>
Script Preparation code:
var obj1 = [ { "id": "0001", "type": "donut", "name": "Cake", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Regular" }, { "id": "1002", "type": "Chocolate" }, { "id": "1003", "type": "Blueberry" }, { "id": "1004", "type": "Devil's Food" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Glazed" }, { "id": "5005", "type": "Sugar" }, { "id": "5007", "type": "Powdered Sugar" }, { "id": "5006", "type": "Chocolate with Sprinkles" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] }, { "id": "0002", "type": "donut", "name": "Raised", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Regular" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Glazed" }, { "id": "5005", "type": "Sugar" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] }, { "id": "0003", "type": "donut", "name": "Old Fashioned", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Regular" }, { "id": "1002", "type": "Chocolate" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Glazed" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] } ] var obj2 = [ { "id": "0001", "type": "donut", "name": "Cake", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Overwritten" }, { "id": "1002", "type": "Chocolate" }, { "id": "1003", "type": "Overwritten" }, { "id": "1004", "type": "Devil's Food" } ] }, "topping": [ { "id": "5001", "type": "Overwritten" }, { "id": "5002", "type": "Overwritten" }, { "id": "5005", "type": "Sugar" }, { "id": "5007", "type": "Powdered Sugar" }, { "id": "5006", "type": "Chocolate with Sprinkles" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Overwritten" } ] }, { "id": "0002", "type": "Overwritten", "name": "Raised", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Overwritten" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Overwritten" }, { "id": "5005", "type": "Sugar" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] }, { "id": "0003", "type": "Overwritten", "name": "Old Fashioned", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Overwritten" }, { "id": "1002", "type": "Chocolate" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Glazed" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] } ]
Tests:
Ramda.mergeDeepWith
R.mergeDeepWith(R.concat, obj1, obj2)
Lodash.merge
_.merge(obj1, obj2)
deepmerge
deepmerge(obj1, obj2)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
Ramda.mergeDeepWith
Lodash.merge
deepmerge
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0
Browser/OS:
Firefox 132 on Mac OS X 10.15
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=564265" width="100%" height="500px"></iframe>
Lodash.merge
72K/s
deepmerge
34K/s
Ramda.mergeDeepWith
0/s
View exact numbers
Test name
Executions per second
✓
Lodash.merge
72,470 Ops/sec
deepmerge
34,473 Ops/sec
Ramda.mergeDeepWith
0 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
To answer your question, I'll focus on the benchmark results. According to the latest benchmark result, Ramda's `mergeDeepWith` has the lowest execution speed at 0.0 executions per second. This suggests that there may be an issue with the implementation or a bug in the library. On the other hand, Lodash's `merge` and `deepmerge` have significantly better performance, with 119990.6171875 executions per second and 82544.6953125 executions per second, respectively.
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Deep merge lodash vs ramda vs deepmerge vs json clone
Deep merge lodash vs ramda vs Immutable with multiple objects
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