cpu performance with sysbench 8cores, 16GB memory cpu_pinned: Processor: AMD EPYC-Milan (8 Cores), Motherboard: SeaBIOS rel-1.16.0-0-gd239552c-rebuilt.opensuse.org, Chipset: Intel 82G33/G31/P35/P31 + ICH9, Memory: 16GB, Disk: 10GB, Network: Red Hat Virtio device OS: Ubuntu 22.04, Kernel: 5.15.0-1072-kvm (x86_64), Vulkan: 1.3.255, Compiler: GCC 11.4.0, File-System: ext4, System Layer: KVM cpu_shared: Processor: AMD EPYC-Milan (8 Cores), Motherboard: SeaBIOS rel-1.16.0-0-gd239552c-rebuilt.opensuse.org, Chipset: Intel 82G33/G31/P35/P31 + ICH9, Memory: 1 x 16GB RAM QEMU, Disk: 10GB, Network: Red Hat Virtio device OS: Ubuntu 22.04, Kernel: 5.15.0-1067-kvm (x86_64), Vulkan: 1.3.255, Compiler: GCC 11.4.0, File-System: ext4, System Layer: KVM cpu_pinned_with_isolateEmulatorThread_true: Processor: AMD EPYC-Milan (8 Cores), Motherboard: SeaBIOS rel-1.16.0-0-gd239552c-rebuilt.opensuse.org, Chipset: Intel 82G33/G31/P35/P31 + ICH9, Memory: 16GB, Disk: 10GB, Network: Red Hat Virtio device OS: Ubuntu 22.04, Kernel: 5.15.0-1072-kvm (x86_64), Vulkan: 1.3.255, Compiler: GCC 11.4.0, File-System: ext4, System Layer: KVM Sysbench 1.0.20 Test: CPU Events Per Second > Higher Is Better cpu_pinned ................................. 17838.69 |============== cpu_shared ................................. 31590.17 |======================== cpu_pinned_with_isolateEmulatorThread_true . 17838.87 |==============