stock-debian-kernel-k KVM testing on Debian 11 via the Phoronix Test Suite. stock-debian-kernel-k: Processor: AMD EPYC (1 Core / 2 Threads), Motherboard: Hetzner vServer v20171111, Memory: 1 x 8000 MB RAM QEMU, Disk: 82GB QEMU HDD, Graphics: virtiodrmfb OS: Debian 10, Kernel: 4.19.0-16-amd64 (x86_64), Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM latest-generic-kernel-v5-12-8: Processor: AMD EPYC (1 Core / 2 Threads), Motherboard: Hetzner vServer v20171111, Memory: 1 x 8000 MB RAM QEMU, Disk: 82GB QEMU HDD, Graphics: virtio_gpudrmfb, Monitor: QEMU Monitor OS: Debian 11, Kernel: 5.12.8-051208-generic (x86_64), Compiler: GCC 10.2.1 20210110, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM latest-generic-kernel-v5-12-8-vo: Processor: AMD EPYC (1 Core / 2 Threads), Motherboard: Hetzner vServer v20171111, Memory: 1 x 8000 MB RAM QEMU, Disk: 82GB QEMU HDD, Graphics: virtio_gpudrmfb, Monitor: QEMU Monitor OS: Debian 11, Kernel: 5.12.8-051208-generic (x86_64), Compiler: GCC 10.2.1 20210110, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM latest-lowlatency-kernel-v5-12-8-vo: Processor: AMD EPYC (1 Core / 2 Threads), Motherboard: Hetzner vServer v20171111, Memory: 1 x 8000 MB RAM QEMU, Disk: 82GB QEMU HDD, Graphics: virtio_gpudrmfb, Monitor: QEMU Monitor OS: Debian 11, Kernel: 5.12.8-051208-lowlatency (x86_64), Compiler: GCC 10.2.1 20210110, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM latest-xanmod-kernel-v5-12-8-x1-vo: Processor: AMD EPYC (1 Core / 2 Threads), Motherboard: Hetzner vServer v20171111, Memory: 1 x 8000 MB RAM QEMU, Disk: 82GB QEMU HDD, Graphics: virtio_gpudrmfb, Monitor: QEMU Monitor OS: Debian 11, Kernel: 5.12.8-xanmod1 (x86_64), Compiler: GCC 10.2.1 20210110, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM Stress-NG 0.11.07 Test: MMAP Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 3.69 |=================================== latest-generic-kernel-v5-12-8 ....... 2.98 |============================ latest-generic-kernel-v5-12-8-vo .... 2.89 |=========================== latest-lowlatency-kernel-v5-12-8-vo . 3.00 |============================ latest-xanmod-kernel-v5-12-8-x1-vo .. 3.07 |============================= Stress-NG 0.11.07 Test: NUMA Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 350.69 |================================= latest-generic-kernel-v5-12-8 ....... 32.50 |=== latest-generic-kernel-v5-12-8-vo .... 32.96 |=== latest-lowlatency-kernel-v5-12-8-vo . 31.53 |=== latest-xanmod-kernel-v5-12-8-x1-vo .. 26.59 |=== Stress-NG 0.11.07 Test: MEMFD Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 23.46 |============================= latest-generic-kernel-v5-12-8 ....... 25.55 |=============================== latest-generic-kernel-v5-12-8-vo .... 23.17 |============================ latest-lowlatency-kernel-v5-12-8-vo . 25.76 |================================ latest-xanmod-kernel-v5-12-8-x1-vo .. 27.76 |================================== Stress-NG 0.11.07 Test: Atomic Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 657388.65 |============================== latest-generic-kernel-v5-12-8 ....... 658576.54 |============================== latest-generic-kernel-v5-12-8-vo .... 658335.34 |============================== latest-lowlatency-kernel-v5-12-8-vo . 656037.29 |============================== latest-xanmod-kernel-v5-12-8-x1-vo .. 657219.84 |============================== Stress-NG 0.11.07 Test: Crypto Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 232.89 |================================= latest-generic-kernel-v5-12-8 ....... 233.06 |================================= latest-generic-kernel-v5-12-8-vo .... 233.95 |================================= latest-lowlatency-kernel-v5-12-8-vo . 232.81 |================================= latest-xanmod-kernel-v5-12-8-x1-vo .. 233.01 |================================= Stress-NG 0.11.07 Test: Malloc Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 7315820.42 |=========================== latest-generic-kernel-v5-12-8 ....... 7748266.63 |============================= latest-generic-kernel-v5-12-8-vo .... 7348448.64 |=========================== latest-lowlatency-kernel-v5-12-8-vo . 7786104.73 |============================= latest-xanmod-kernel-v5-12-8-x1-vo .. 7750606.39 |============================= Stress-NG 0.11.07 Test: Forking Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 9369.19 |==================== latest-generic-kernel-v5-12-8 ....... 13159.36 |============================ latest-generic-kernel-v5-12-8-vo .... 13482.92 |============================= latest-lowlatency-kernel-v5-12-8-vo . 13266.02 |============================= latest-xanmod-kernel-v5-12-8-x1-vo .. 14423.07 |=============================== Stress-NG 0.11.07 Test: SENDFILE Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 20517.05 |======================== latest-generic-kernel-v5-12-8 ....... 19816.10 |======================= latest-generic-kernel-v5-12-8-vo .... 24162.31 |============================= latest-lowlatency-kernel-v5-12-8-vo . 25176.15 |============================== latest-xanmod-kernel-v5-12-8-x1-vo .. 26243.78 |=============================== Stress-NG 0.11.07 Test: CPU Cache Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 10.86 |================================== latest-generic-kernel-v5-12-8 ....... 10.62 |================================= latest-generic-kernel-v5-12-8-vo .... 8.74 |=========================== latest-lowlatency-kernel-v5-12-8-vo . 10.33 |================================ latest-xanmod-kernel-v5-12-8-x1-vo .. 10.67 |================================= Stress-NG 0.11.07 Test: CPU Stress Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 468.23 |============================= latest-generic-kernel-v5-12-8 ....... 496.07 |=============================== latest-generic-kernel-v5-12-8-vo .... 503.65 |=============================== latest-lowlatency-kernel-v5-12-8-vo . 499.92 |=============================== latest-xanmod-kernel-v5-12-8-x1-vo .. 528.02 |================================= Stress-NG 0.11.07 Test: Semaphores Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 156255.48 |============================== latest-generic-kernel-v5-12-8 ....... 129988.58 |========================= latest-generic-kernel-v5-12-8-vo .... 131117.88 |========================= latest-lowlatency-kernel-v5-12-8-vo . 130487.41 |========================= latest-xanmod-kernel-v5-12-8-x1-vo .. 133058.88 |========================== Stress-NG 0.11.07 Test: Matrix Math Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 4276.48 |================================ latest-generic-kernel-v5-12-8 ....... 4194.64 |=============================== latest-generic-kernel-v5-12-8-vo .... 4193.14 |=============================== latest-lowlatency-kernel-v5-12-8-vo . 4188.32 |=============================== latest-xanmod-kernel-v5-12-8-x1-vo .. 4192.16 |=============================== Stress-NG 0.11.07 Test: Vector Math Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 8200.81 |================================ latest-generic-kernel-v5-12-8 ....... 8084.19 |================================ latest-generic-kernel-v5-12-8-vo .... 8069.03 |=============================== latest-lowlatency-kernel-v5-12-8-vo . 8045.88 |=============================== latest-xanmod-kernel-v5-12-8-x1-vo .. 8068.31 |=============================== Stress-NG 0.11.07 Test: Memory Copying Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 3343.31 |================================ latest-generic-kernel-v5-12-8 ....... 3217.47 |=============================== latest-generic-kernel-v5-12-8-vo .... 3117.30 |============================== latest-lowlatency-kernel-v5-12-8-vo . 3254.14 |=============================== latest-xanmod-kernel-v5-12-8-x1-vo .. 3213.55 |=============================== Stress-NG 0.11.07 Test: Socket Activity Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 2531.33 |================================ latest-generic-kernel-v5-12-8 ....... 1008.75 |============= latest-generic-kernel-v5-12-8-vo .... 1015.36 |============= latest-lowlatency-kernel-v5-12-8-vo . 397.62 |===== latest-xanmod-kernel-v5-12-8-x1-vo .. 1668.42 |===================== Stress-NG 0.11.07 Test: Context Switching Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 567673.49 |============================== latest-generic-kernel-v5-12-8 ....... 466286.46 |======================== latest-generic-kernel-v5-12-8-vo .... 489191.95 |========================== latest-lowlatency-kernel-v5-12-8-vo . 466673.55 |======================== latest-xanmod-kernel-v5-12-8-x1-vo .. 573800.75 |============================== Stress-NG 0.11.07 Test: Glibc C String Functions Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 105775.92 |======================== latest-generic-kernel-v5-12-8 ....... 129438.03 |============================== latest-generic-kernel-v5-12-8-vo .... 129591.78 |============================== latest-lowlatency-kernel-v5-12-8-vo . 128337.99 |============================== latest-xanmod-kernel-v5-12-8-x1-vo .. 130303.49 |============================== Stress-NG 0.11.07 Test: Glibc Qsort Data Sorting Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 11.90 |================================= latest-generic-kernel-v5-12-8 ....... 12.23 |================================== latest-generic-kernel-v5-12-8-vo .... 12.25 |================================== latest-lowlatency-kernel-v5-12-8-vo . 12.18 |================================= latest-xanmod-kernel-v5-12-8-x1-vo .. 12.38 |================================== Stress-NG 0.11.07 Test: System V Message Passing Bogo Ops/s > Higher Is Better stock-debian-kernel-k ............... 1260944.60 |================= latest-generic-kernel-v5-12-8 ....... 2116811.71 |============================= latest-generic-kernel-v5-12-8-vo .... 1939840.18 |=========================== latest-lowlatency-kernel-v5-12-8-vo . 454104.88 |====== latest-xanmod-kernel-v5-12-8-x1-vo .. 716644.75 |========== ctx_clock Context Switch Time Clocks < Lower Is Better stock-debian-kernel-k ............... 222 |=================================== latest-generic-kernel-v5-12-8 ....... 220 |=================================== latest-generic-kernel-v5-12-8-vo .... 227 |==================================== latest-lowlatency-kernel-v5-12-8-vo . 220 |=================================== latest-xanmod-kernel-v5-12-8-x1-vo .. 220 |===================================