7_2-7.2.5rc1 - 7_2-7.2.5 X64 IIS 10.0
No Cache Opcache Opcache + Wincache
Load Agents
Application Physical Virtual 7_2-7.2.5rc1 7_2-7.2.5 gain 7_2-7.2.5rc1 7_2-7.2.5 gain 7_2-7.2.5rc1 7_2-7.2.5 gain
Helloworld 2 32   5083.12 4927.87 -3.15 % 8062.24 6991.24 -15.32 % 6562.26 7013.67 6.44 %
16   5205.89 5046.27 -3.16 % 7699.80 7068.92 -8.92 % 6650.52 7060.40 5.81 %
8   5102.69 4897.73 -4.18 % 7626.66 6880.63 -10.84 % 6523.49 7055.94 7.55 %
Wordpress 2 32   20.73 21.27 2.54 % 213.36 213.50 0.07 % 203.41 213.55 4.75 %
16   20.66 21.43 3.59 % 210.35 214.04 1.72 % 208.14 212.51 2.06 %
8   20.91 21.66 3.46 % 213.75 214.07 0.15 % 208.63 211.75 1.47 %
Drupal 2 32   66.31 69.67 4.82 % 511.33 510.87 -0.09 % 499.27 507.29 1.58 %
16   66.77 69.60 4.07 % 510.55 517.13 1.27 % 490.53 517.36 5.19 %
8   69.48 72.75 4.49 % 518.23 518.67 0.08 % 502.34 520.47 3.48 %
Mediawiki 2 32   15.14 15.59 2.89 % 94.22 91.32 -3.18 % 87.97 94.24 6.65 %
16   15.22 15.77 3.49 % 97.06 97.03 -0.03 % 95.05 96.60 1.60 %
8   15.43 15.88 2.83 % 94.62 95.07 0.47 % 93.82 94.38 0.59 %
Symfony 2 32   8.66 9.29 6.78 % 61.03 62.03 1.61 % 52.63 61.44 14.34 %
16   8.71 9.30 6.34 % 60.91 61.67 1.23 % 53.28 61.95 14.00 %
8   8.87 9.39 5.54 % 61.13 61.83 1.13 % 52.92 61.60 14.09 %
Phalcon 2 32   427.58 393.02 -8.79 % 706.78 740.16 4.51 % 709.05 740.46 4.24 %
16   419.07 403.22 -3.93 % 706.37 744.69 5.15 % 707.08 745.27 5.12 %
8   429.70 407.72 -5.39 % 712.48 754.92 5.62 % 725.73 749.45 3.16 %
Errors php2_wincache\Phalcon-16 : 93 of 1341486 requests
php2_opcache\Phalcon-16 : 79 of 1340442 requests
php1_wincache\Helloworld-32 : 2 of 11812068 requests
php1_opcache\Helloworld-16 : 1 of 13859640 requests
php2_wincache\Phalcon-32 : 82 of 1332828 requests
php2_wincache\Helloworld-32 : 6 of 12624606 requests
php1_wincache\Phalcon-32 : 74 of 1276290 requests
php2_nocache\Phalcon-8 : 41 of 733896 requests
php1_opcache\Phalcon-32 : 92 of 1272204 requests
php1_opcache\Phalcon-16 : 96 of 1271466 requests
php2_opcache\Phalcon-8 : 69 of 1358856 requests
php2_nocache\Phalcon-32 : 38 of 707436 requests
php1_nocache\Phalcon-16 : 39 of 754326 requests
php1_wincache\Phalcon-16 : 86 of 1272744 requests
php1_wincache\Phalcon-8 : 101 of 1306314 requests
php2_opcache\Phalcon-32 : 78 of 1332288 requests
php1_nocache\Phalcon-32 : 59 of 769644 requests
php1_opcache\Phalcon-8 : 89 of 1282464 requests
php2_wincache\Helloworld-16 : 3 of 12708720 requests
php2_opcache\Helloworld-32 : 7 of 12584232 requests
php2_wincache\Phalcon-8 : 107 of 1349010 requests
php2_nocache\Phalcon-16 : 43 of 725796 requests
php1_opcache\Helloworld-32 : 9 of 14512032 requests
php1_nocache\Phalcon-8 : 61 of 773460 requests

Note: Error Count is count of HTTP Requests that return a status other than 200 (such as 500) during that Test Run.
Note: for WinCache scenario, applications are configured to use the Session and Object caching features as per(all applications get the File Caching feature automatically): https://wordpress.org/plugins/wincache-object-cache-backend/ | http://www.drupalonwindows.com/en/blog/drupal-8-wincache-integration | https://www.mediawiki.org/wiki/Manual: | https://www.saotn.org/8-tips-improve-joomla-performance/
Web Server Database Server
IIS 10 (FastCGI SAPI) MySQL 5.7 x64
1 Socket 4 Core Intel Xeon E5-2673 @ 2.40ghz 1 Socket 4 Core Intel Xeon E5-2673 @ 2.40ghz
SSD Storage (12800 IOPS) SSD Storage (12800 IOPS) - small databases, can cache all in RAM
8GB RAM 8GB RAM
Windows 2016 Datacenter Windows 2016 Datacenter
Note: TCP and Ethernet interface on Web Server, Database Server and Load Agents configured for maximum connections, etc... as per http://smallvoid.com/article/winnt-tcpip-max-limit.html
PHP-Perf Tool | PHP Configuration Files | WCAT Configuration