PHP Async Clients benchmark (Amphp, ReactPHP, Guzzle)

Articles with explanation [[ENG]](https://dev.to/insolita/which-http-client-is-faster-for-web-scraping-c95) [[RUS]](https://medium.com/@DonnaInsolita/%D0%B2%D0%B4%D0%BE%D1%85%D0%BD%D0%BE%D0%B2%D0%B8%D0%B2%D1%88%D0%B8%D1%81%D1%8C-%D0%B7%D0%B0%D0%BD%D0%B8%D0%BC%D0%B0%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%BC-%D0%B8%D0%BD%D1%82%D0%B5%D1%80%D0%B2%D1%8C%D1%8E-%D0%BD%D0%B0-%D0%BA%D0%B0%D0%BD%D0%B0%D0%BB%D0%B5-moreview-c-%D1%81%D0%B5%D1%80%D0%B3%D0%B5%D0%B5%D0%BC-%D0%B6%D1%83%D0%BA%D0%BE%D0%BC-%D0%B8-%D1%86%D0%B8%D0%BA%D0%BB%D0%BE%D0%BC-%D1%81%D1%82%D0%B0%D1%82%D0%B5%D0%B9-fast-web-f9715b21517f)

Http request with saving data to file

Docker: Concurrency = 25, iterations=10

|Num queries | Client | Min Time | Max Time | Avg Time | |------------|--------------|------------|------------|-----------| | 25 queries| | | | | | |guzzle(multicurl)|1.7345 | 2.3703 |1.8946 | | | amphp | 1.4945 | 2.2807 | 1.7511 | | | reactphp| 3.7657 | 4.1934 | 3.9941 | | 100 queries| | | | | | |guzzle(multicurl)| 5.6384 | 7.5598 | 6.0287 | | | amphp | 10.8207 | 12.8282 | 11.4251 | | | amphp (-c100) | 4.4791 | 24.4778 | 8.3344 | | | reactphp| 9.3227 | 9.7782 | 9.4414 | | 500 queries| | | | | | |guzzle(multicurl)|21.9477 |36.5856|28.8197| | | amphp | 101.1285 | 137.5680 |117.6780| | | reactphp| 21.2281| 31.7487|26.1375| | 2000 queries| | | | | | |guzzle(multicurl)|86.3061|139.7627 |115.9115| | | reactphp|86.6550 | 115.3414|104.7146| | 4000 queries| | | | | | |guzzle(multicurl)|248.9 | 260.0907 | 255.7737| | | reactphp| 208.5986 | 228.2414 | 217.3939 |

Production server

|Num queries | Client | Min Time | Max Time | Avg Time | |------------|--------------|------------|------------|-----------| | 25 queries| | | | | | |guzzle(multicurl)|1.5025 | 1.9986 |1.7009 | | | amphp | 1.4691 | 2.4819 | 1.7389 | | | reactphp| 7.0732 | 7.6412 | 7.1580 | | 4000 queries| | | | | | |guzzle(multicurl)| 135.9078 | 143.1398 | 139.3505 | | | reactphp| 95.6756 | 111.0209 | 98.6829 | | 6000 queries| | | | | | |guzzle(multicurl)| 177.1444 | 172.1199 | 174.07613 | | | reactphp| 139.5903 | 159.0747 | 146.9556 |