iperf5 4 x AMD EPYC-Rome testing with a QEMU Standard PC (Q35 + ICH9 2009) (1.13.0-1ubuntu1.1 BIOS) and qxldrmfb on Ubuntu 20.04.4 LTS via the Phoronix Test Suite. 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35: Processor: 4 x AMD EPYC-Rome (4 Cores), Motherboard: QEMU Standard PC (Q35 + ICH9 2009) (1.13.0-1ubuntu1.1 BIOS), Memory: 6GB, Disk: 65GB, Graphics: qxldrmfb OS: Ubuntu 20.04.4 LTS, Kernel: 4.18.0-348.7.1.el8_5.x86_64 (x86_64), Vulkan: 1.1.182, Compiler: GCC 9.4.0, File-System: overlayfs, Screen Resolution: 1024x768 iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 1 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 100 |=================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 5 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 95.3 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - 100Mbit Objective - Parallel: 1 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 100 |=================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - 100Mbit Objective - Parallel: 5 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 95.5 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - 100Mbit Objective - Parallel: 1 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 100 |=================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - 100Mbit Objective - Parallel: 5 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 95.6 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 1 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 1000 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 5 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 95.4 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 10 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 95.3 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 20 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 95.4 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 32 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 95.4 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 64 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 95.6 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 1 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 1000 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 5 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 95.5 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - 100Mbit Objective - Parallel: 10 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 95.5 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - 100Mbit Objective - Parallel: 20 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 95.5 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - 100Mbit Objective - Parallel: 32 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 95.4 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - 100Mbit Objective - Parallel: 64 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 95.6 |================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - 100Mbit Objective - Parallel: 1 Mbits/sec > Higher Is Better 4 x AMD EPYC-Rome - qxldrmfb - QEMU Standard PC (Q35 . 100 |=================== iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - 100Mbit Objective - Parallel: 5 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 1 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 5 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - 100Mbit Objective - Parallel: 10 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - 100Mbit Objective - Parallel: 20 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - 100Mbit Objective - Parallel: 32 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - 100Mbit Objective - Parallel: 64 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 10 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 20 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 32 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 64 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 10 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 20 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 32 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 64 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 1 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 5 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - 100Mbit Objective - Parallel: 10 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - 100Mbit Objective - Parallel: 20 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - 100Mbit Objective - Parallel: 32 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - 100Mbit Objective - Parallel: 64 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 10 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 20 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 32 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 64 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 10 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 20 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 32 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 64 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 1 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 5 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 1 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 5 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: TCP - Parallel: 1 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: TCP - Parallel: 5 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - Parallel: 1 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - Parallel: 5 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: TCP - Parallel: 1 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: TCP - Parallel: 5 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - Parallel: 1 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - Parallel: 5 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 10 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 20 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 32 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 64 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 10 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 20 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 32 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 64 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: TCP - Parallel: 10 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: TCP - Parallel: 20 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: TCP - Parallel: 32 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: TCP - Parallel: 64 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - Parallel: 10 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - Parallel: 20 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - Parallel: 32 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 30 Seconds - Test: UDP - Parallel: 64 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: TCP - Parallel: 1 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: TCP - Parallel: 5 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - Parallel: 1 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - Parallel: 5 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: TCP - Parallel: 10 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: TCP - Parallel: 20 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: TCP - Parallel: 32 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: TCP - Parallel: 64 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - Parallel: 10 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - Parallel: 20 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - Parallel: 32 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 60 Seconds - Test: UDP - Parallel: 64 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: TCP - Parallel: 10 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: TCP - Parallel: 20 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: TCP - Parallel: 32 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: TCP - Parallel: 64 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - Parallel: 10 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - Parallel: 20 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - Parallel: 32 Mbits/sec > Higher Is Better iPerf 3.7 Server Address: 10.10.3.7 - Server Port: 5201 - Duration: 360 Seconds - Test: UDP - Parallel: 64 Mbits/sec > Higher Is Better