p32-u16-php p32-u18-php p32-u16-php: Processor: 8 x Intel Xeon E5-2630 v3 (8 Cores), Motherboard: OpenStack Foundation Nova v14.0.8 (Ubuntu-1.8.2-1ubuntu1~cloud0 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 8192 MB RAM QEMU, Disk: 78GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Ubuntu 16.04, Kernel: 4.10.0-42-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, System Layer: KVM p32-u18-php: Processor: 8 x Intel Xeon E5-2630 v3 (8 Cores), Motherboard: OpenStack Foundation Nova v14.0.8 (Ubuntu-1.8.2-1ubuntu1~cloud0 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 8192 MB RAM QEMU, Disk: 78GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Ubuntu 18.04, Kernel: 4.15.0-46-generic (x86_64), Compiler: GCC 7.3.0, File-System: ext4, System Layer: KVM PHP Micro Benchmarks Test: Zend bench Seconds < Lower Is Better p32-u16-php . 0.75 |=========================================================== p32-u18-php . 0.66 |==================================================== PHP Micro Benchmarks Test: Zend micro_bench Seconds < Lower Is Better p32-u16-php . 4.23 |=========================================================== p32-u18-php . 3.66 |===================================================