64corevirtualnuma256ram KVM QEMU testing on Debian 12 via the Phoronix Test Suite. 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5: Processor: 2 x QEMU Virtual 2.5+ (64 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 16 x GB RAM QEMU, Disk: 34GB QEMU HDD, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Debian 12, Kernel: 6.1.0-27-amd64 (x86_64), Compiler: GCC 12.2.0, File-System: ext4, Screen Resolution: 1280x800, System Layer: KVM QEMU Tinymembench 2018-05-28 Standard Memset MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 12069.1 |============================ Tinymembench 2018-05-28 Standard Memcpy MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 5127.8 |============================= RAMspeed SMP 3.5.0 Type: Copy - Benchmark: Integer MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 20560.44 |=========================== RAMspeed SMP 3.5.0 Type: Scale - Benchmark: Floating Point MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 20103.99 |=========================== CacheBench Read Cache MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 7033.27 |============================ CacheBench Write Cache MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 26879.84 |=========================== RAMspeed SMP 3.5.0 Type: Add - Benchmark: Integer MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 21341.26 |=========================== RAMspeed SMP 3.5.0 Type: Triad - Benchmark: Integer MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 21280.34 |=========================== MBW 2018-09-08 Test: Memory Copy, Fixed Block Size - Array Size: 1024 MiB MiB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 5138.16 |============================ RAMspeed SMP 3.5.0 Type: Triad - Benchmark: Floating Point MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 21795.43 |=========================== RAMspeed SMP 3.5.0 Type: Copy - Benchmark: Floating Point MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 21185.45 |=========================== RAMspeed SMP 3.5.0 Type: Average - Benchmark: Integer MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 21356.80 |=========================== RAMspeed SMP 3.5.0 Type: Scale - Benchmark: Integer MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 20400.37 |=========================== RAMspeed SMP 3.5.0 Type: Add - Benchmark: Floating Point MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 21915.38 |=========================== RAMspeed SMP 3.5.0 Type: Average - Benchmark: Floating Point MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 21560.05 |=========================== Stream 2013-01-17 Type: Copy MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 137151.1 |=========================== t-test1 2017-01-13 Threads: 1 Seconds < Lower Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 36.51 |============================== MBW 2018-09-08 Test: Memory Copy - Array Size: 1024 MiB MiB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 4572.80 |============================ t-test1 2017-01-13 Threads: 2 Seconds < Lower Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 12.37 |============================== Stream 2013-01-17 Type: Add MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 134458.2 |=========================== Stream 2013-01-17 Type: Triad MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 132477.5 |=========================== Stream 2013-01-17 Type: Scale MB/s > Higher Is Better 16 x GB RAM QEMU - 2 x QEMU Virtual 2.5 . 123971.7 |===========================