test test1: Processor: Intel Xeon E3-1230 v5 @ 3.80GHz (4 Cores / 8 Threads), Motherboard: American Megatrends 2.3, Chipset: Intel Xeon E3-1200 v5/E3-1500, Memory: 2 x 8192 MB DDR4-2133MT/s, Disk: 1000GB Seagate ST1000NM0008-2F2, Graphics: ASPEED Family, Network: 2 x Intel I350 + 2 x Intel I210 OS: CentOS Linux 7, Kernel: 5.12.2-1.el7.elrepo.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768 C-Ray 1.1 Total Time - 4K, 16 Rays Per Pixel Seconds < Lower Is Better test1 . 181.95 |===============================================================