mzb-ubuntu-azure-network-loopback Xen HVM domU 4.2.amazon testing on Ubuntu 20.04 via the Phoronix Test Suite. mzb-ubuntu-azure-network-loopkach: Processor: Intel Xeon E5-2673 v4 (2 Cores), Motherboard: Microsoft Virtual Machine (Hyper-V UEFI v4.1 BIOS), Memory: 1024 MB + 7168 MB, Disk: 32GB Virtual Disk + 17GB Virtual Disk, Graphics: hyperv_fb OS: Ubuntu 20.04, Kernel: 5.11.0-1023-azure (x86_64), Vulkan: 1.0.2, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: microsoft mzb-ubuntu-aws-network-loopback: Processor: Intel Xeon E5-2686 v4 (2 Cores), Motherboard: Xen HVM domU (4.2.amazon BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 8192 MB RAM, Disk: 8GB, Graphics: Cirrus Logic GD 5446 OS: Ubuntu 20.04, Kernel: 5.11.0-1023-aws (x86_64), Vulkan: 1.0.2, Compiler: GCC 9.3.0, File-System: ext4, System Layer: Xen HVM domU 4.2.amazon Loopback TCP Network Performance Time To Transfer 10GB Via Loopback Seconds < Lower Is Better mzb-ubuntu-azure-network-loopkach . 21.98 |==================================== mzb-ubuntu-aws-network-loopback ... 20.74 |==================================