pg KVM testing on CentOS 7.5.1804 via the Phoronix Test Suite. Intel Xeon Gold 6151 - cirrusdrmfb - OpenStack: Processor: Intel Xeon Gold 6151 @ 3.00GHz (4 Cores), Motherboard: OpenStack Foundation Nova, Memory: 1 x 8192 MB RAM QEMU, Disk: 40GB, Graphics: cirrusdrmfb OS: CentOS 7.5.1804, Kernel: 3.10.0-1160.6.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM PostgreSQL pgbench 13.0 Scaling Factor: 1000 - Clients: 100 - Mode: Read Only TPS > Higher Is Better Intel Xeon Gold 6151 - cirrusdrmfb - OpenStack . 7074 |======================== PostgreSQL pgbench 13.0 Scaling Factor: 1000 - Clients: 100 - Mode: Read Only - Average Latency ms < Lower Is Better Intel Xeon Gold 6151 - cirrusdrmfb - OpenStack . 14.14 |======================= PostgreSQL pgbench 13.0 Scaling Factor: 1000 - Clients: 100 - Mode: Read Write TPS > Higher Is Better Intel Xeon Gold 6151 - cirrusdrmfb - OpenStack . 3924 |======================== PostgreSQL pgbench 13.0 Scaling Factor: 1000 - Clients: 100 - Mode: Read Write - Average Latency ms < Lower Is Better Intel Xeon Gold 6151 - cirrusdrmfb - OpenStack . 25.50 |=======================