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https://github.com/kfly8/bench-perl-class-builder
Benchmarked new perl class feature with many class builders
https://github.com/kfly8/bench-perl-class-builder
perl
Last synced: 3 months ago
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Benchmarked new perl class feature with many class builders
- Host: GitHub
- URL: https://github.com/kfly8/bench-perl-class-builder
- Owner: kfly8
- Created: 2023-08-11T11:11:34.000Z (over 1 year ago)
- Default Branch: main
- Last Pushed: 2024-07-09T03:32:47.000Z (6 months ago)
- Last Synced: 2024-07-09T06:38:31.607Z (6 months ago)
- Topics: perl
- Language: Perl
- Homepage:
- Size: 43.9 KB
- Stars: 2
- Watchers: 3
- Forks: 2
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
## What's this?
[In Perl 5.38, the class feature was integrated into the core](https://metacpan.org/release/RJBS/perl-5.38.0/view/pod/perldelta.pod), so I compared it with many class builders. Ovid, who is main designer of new class feature, blogged the following:
> Note that it’s not taking anything away from Perl; it’s adding a core object system for better memory consumption, performance, and elegance.
> ( https://ovid.github.io/articles/corinna-in-the-perl-core.html )
The class feature is still in the experimental stage, so I think the results may change depending on future development.
In the following execution environment, the class feature had the best memory efficiency, and the results of the constructor of an object and access to object fields are equivalent to those of objects blessed with array references.
## Execution Environment
```shell
❯ inxi -SCm
System:
Host: kfly8.local Kernel: 23.1.0 arch: arm64 bits: 64 Console: s006 OS: Darwin 23.1.0
Memory:
System RAM: total: N/A available: N/A used: N/A
RAM Report: missing: Required tool dmidecode not installed. Check --recommends
CPU:
Info: 10-core model: Apple M2 Pro bits: 64 type: MCP
Speed: N/A min/max: N/A cores: No OS support for core speeds.
```
## Benchmark memory size
| Size | Compare | Title |
| --- | --- | --- |
| 135.8 KB | -- | `class feature (perl: 5.040000)` |
| 257.9 KB | 89.90% | `bless arrayref` |
| 265.7 KB | 95.60% | `Object::[email protected]` |
| 359.5 KB | 164.80% | `[email protected]` |
| 359.5 KB | 164.80% | `[email protected]` |
| 359.5 KB | 164.80% | `[email protected] (XSAccessor)` |
| 359.5 KB | 164.80% | `Object::[email protected]` |
| 359.5 KB | 164.80% | `[email protected] (XSConstructor + XSAccessor)` |
| 359.5 KB | 164.80% | `Class::[email protected]` |
| 359.5 KB | 164.80% | `[email protected]` |
| 359.5 KB | 164.80% | `bless hashref` |
| 359.5 KB | 164.80% | `Class::Accessor::[email protected]` |
This result were calculated using [bench-size.pl](https://github.com/kfly8/bench-perl-class-builder/blob/main/bench-size.pl).
## Benchmark object constructors
| Rate | Compare | Title |
| --- | --- | --- |
| 550/s | -59% | `Class::[email protected]` |
| 752/s | -44% | `[email protected]` |
| 752/s | -44% | `[email protected] (XSAccessor)` |
| 931/s | -30% | `[email protected]` |
| 1081/s | -19% | `[email protected] (XSConstructor + XSAccessor)` |
| 1152/s | -14% | `[email protected]` |
| 1195/s | -10% | `Object::[email protected]` |
| 1334/s | -- | `class feature (perl: 5.040000)` |
| 1347/s | 1% | `bless arrayref` |
| 1674/s | 25% | `bless hashref` |
| 1690/s | 27% | `Class::Accessor::[email protected]` |
| 1729/s | 30% | `Object::[email protected]` |
This result were calculated using [bench-new.pl](https://github.com/kfly8/bench-perl-class-builder/blob/main/bench-new.pl).
## Benchmark access to object fields
| Rate | Compare | Title |
| --- | --- | --- |
| 93699/s | -26% | `Object::[email protected]` |
| 100485/s | -20% | `Class::Accessor::[email protected]` |
| 120302/s | -5% | `[email protected]` |
| 123675/s | -2% | `Class::[email protected]` |
| 124842/s | -1% | `[email protected]` |
| 126030/s | -- | `class feature (perl: 5.040000)` |
| 127242/s | 1% | `bless hashref` |
| 137846/s | 9% | `bless arrayref` |
| 156038/s | 24% | `Object::[email protected]` |
| 223418/s | 77% | `[email protected] (XSAccessor)` |
| 236307/s | 87% | `[email protected]` |
| 267962/s | 113% | `[email protected] (XSConstructor + XSAccessor)` |
This result were calculated using [bench-field.pl](https://github.com/kfly8/bench-perl-class-builder/blob/main/bench-field.pl).