Save Time, Money,

and More With Better Performance

Carsten Windler

https://unsplash.com/photos/red-and-brown-car-toy-Ap0kpmv6bCY

IPC Berlin 2024

elevated by Rgba & TBC

4kb

Yes, kilobyte

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4kb

3.11

3,000+

Have we become lazy?

Software is getting slower more rapidly than hardware is becoming faster.

- Nikolaus Wirth

Wirth's law

https://en.wikipedia.org/wiki/Wirth%27s_law

Proof

https://httparchive.org/reports/page-weight#bytesTotal

A little npm package someone wrote years ago with no clue what they were doing and that was never maintained

https://xkcd.com/2347/

Many modern JavaScript applications

aws-sdk-php

https://pixabay.com/photos/bit-drilling-machine-628592/

>40MB

Bootstrap

Business Logic

Finish

.env

config

routes

middlewares

events

DI container

observers

service providers

validators

Bootstrap

Business Logic

Finish

Request lifecyle in PHP

...and more!

What's the problem?

Time

Developer
CI/CD
QA
Product Manager
Customer

Photo by Miguel Á. Padriñán

Money

Jevons Paradox

https://en.wikipedia.org/wiki/Jevons_paradox

https://www.pexels.com/photo/man-in-santa-claus-costume-716658/

Footprint of IT

~2%

Share of data centres in global
energy consumption

55,7

Billion electronic devices by 2025

Million tonnes of electronic waste in 2021

~4%

IT's share of total greenhouse gas emissions

Embodied carbon

https://www.portent.com/blog/analytics/research-site-speed-hurting-everyones-revenue.htm

Good enough?

https://www.chefkoch.de/rezepte/2285261364418758/Gekochte-Eier-mit-Curry-Bananen-Sosse.html

https://www.forbes.com/sites/bensin/2024/03/21/xiaomi-14-ultra-review-camera-phone-king/

What can we do?

https://addyosmani.com/blog/performance-budgets/

composer require --everything

*runs/second

Guzzle

14.553*

Nyholm

17.734*

=> approx. 21% faster!

Composer packages

class DateFormatBench
{
    public function benchDate()
    {
        date('D M d Y H:m:s');
    }

    public function benchDateTime()
    {
        (new \DateTime())->format('D M d Y H:m:s');
    }

    public function benchCarbon()
    {
        (new Carbon\Carbon())->format('D M d Y H:m:s');
    }
}