https://github.com/realFlowControl/1brc

https://github.com/realFlowControl/1brc

Last synced: 24 days ago
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• Host: GitHub
• URL: https://github.com/realFlowControl/1brc
• Owner: realFlowControl
• License: mit
• Created: 2024-03-12T13:08:56.000Z (8 months ago)
• Default Branch: main
• Last Pushed: 2024-07-05T16:08:30.000Z (4 months ago)
• Last Synced: 2024-10-04T12:51:35.806Z (about 1 month ago)
• Language: PHP
• Size: 13.7 KB
• Stars: 29
• Watchers: 1
• Forks: 13
• Open Issues: 2
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# 1BRC: One Billion Row Challenge in PHP

PHP implementation of Gunnar's 1 billion row challenge:

- https://www.morling.dev/blog/one-billion-row-challenge

- https://github.com/gunnarmorling/1brc

I wrote a blog post about the story that led to this version: [Processing One Billion Rows in PHP!](https://dev.to/realflowcontrol/processing-one-billion-rows-in-php-3eg0)

# Usage

```sh

make average

# or

php createMeasurements.php 1000000000

php -d extension=parallel calculateAverage.php > average.txt

```

# Requirements

This solutions requires a ZTS build of PHP and

[`ext-parallel`](https://github.com/krakjoe/parallel) to be installed for that

PHP version.