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immutable vs Native Javascript Map With Read Complex
(version: 0)
immutable vs Native Javascript Map With Read
Comparing performance of:
immutable Map vs Native Javascript Map vs Read immutable Map vs Read Native Javascript Map
Created:
3 years ago
by:
Guest
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HTML Preparation code:
<script src="https://cdnjs.cloudflare.com/ajax/libs/immutable/3.8.2/immutable.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/immutability-helper@2.7.0/index.min.js"></script>
Tests:
immutable Map
let obj = Immutable.Map(); for(i=0;i<10000;i++){ const key = ['key'+i, i]; const value = 'value'+i; obj.set(key, {key, value}); }
Native Javascript Map
let obj = new Map(); for(i=0;i<10000;i++){ const key = ['key'+i, i]; const value = 'value'+i; obj.set(key, {key, value}); }
Read immutable Map
let obj = Immutable.Map(); for(i=0;i<10000;i++){ const key = ['key'+i, i]; const value = 'value'+i; obj.set(key, {key, value}); } for(i=0;i<10000;i++){ const key = ['key'+i, i]; if (obj.has(key)) { const temp = obj.get(key); } }
Read Native Javascript Map
let obj = new Map(); for(i=0;i<10000;i++){ const key = ['key'+i, i]; const value = 'value'+i; obj.set(key, {key, value}) } for(i=0;i<10000;i++){ const key = ['key'+i, i]; if (obj.has(key)) { const temp = obj.get(key); } }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
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Test case name
Result
immutable Map
Native Javascript Map
Read immutable Map
Read Native Javascript Map
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks. **Benchmark Overview** The provided benchmark measures the performance of two data structures: Immutable Maps and native JavaScript Maps, with additional scenarios for reading values from these maps. The goal is to compare the execution speed of these two approaches in different scenarios. **Immutable Maps vs Native JavaScript Maps** Both Immutable Maps and native JavaScript Maps are used as key-value stores in JavaScript. However, they have some differences: * **Immutability**: Immutable Maps ensure that once a value is set, it cannot be modified. This comes at the cost of performance, as updating an immutable map requires creating a new one. * **Native Performance**: Native JavaScript Maps are optimized for performance and can be modified in-place. **Options Compared** The benchmark compares two options: 1. **Immutable Map**: Uses the Immutable.js library to create an immutable map. 2. **Native JavaScript Map**: Creates a native JavaScript map without any additional libraries. **Pros and Cons of Each Approach** * **Immutable Map**: + Pros: Ensures immutability, which can be beneficial for certain use cases (e.g., concurrent programming). + Cons: Slower performance due to the overhead of creating new maps. * **Native JavaScript Map**: + Pros: Optimized for performance and allows in-place modification. + Cons: Loses immutability, which may not be desirable in some situations. **Additional Scenarios** The benchmark also includes additional scenarios: * **Read Immutable Map**: Measures the execution speed of reading values from an immutable map. * **Read Native JavaScript Map**: Measures the execution speed of reading values from a native JavaScript map. These additional scenarios help to further evaluate the performance characteristics of each approach, especially when it comes to accessing values in a map. **Library: Immutable.js** The Immutable.js library is used to create immutable maps. It provides a functional programming interface for creating and manipulating immutable data structures. **Special JS Feature or Syntax: None** There are no special JavaScript features or syntax used in this benchmark. **Other Alternatives** If you're interested in exploring alternative data structures, you might consider: * **Native JavaScript Sets**: Similar to native JavaScript maps, but optimized for membership testing. * **Other Immutable Libraries**: Other libraries like Lodash or Ramda provide immutable data structures and functional programming utilities. * **Custom Data Structures**: Depending on your specific use case, you might want to create a custom data structure using a combination of native JavaScript and libraries. Keep in mind that the choice of data structure ultimately depends on the requirements of your project.
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