1.2 2.2 1.2: Processor: Intel Xeon Platinum 8163 (4 Cores / 8 Threads), Motherboard: Alibaba Cloud ECS (8c24b4c BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 16384 MB RAM, Disk: 40GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: CentOS 7.2.1511, Kernel: 3.10.0-514.26.2.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM Smallpt 1.0 Global Illumination Renderer; 128 Samples Seconds < Lower Is Better 1.2 . 52.78 |==================================================================