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 latest-xanmod-cacule-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-cacule (x86_64), Compiler: GCC 10.2.1 20210110, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM stable-xanmod-real-time-kernel-v5-10-35-rt39-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: 5.10.35-rt39-xanmod1 (x86_64), Compiler: GCC 10.2.1 20210110, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM 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 |============= latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 1251.44 |========== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 1269.19 |========== 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 |== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 33.47 |== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 33.87 |== 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 |=================== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 9948.34 |============= stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 8306.19 |=========== 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 |================== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 503671.21 |================ stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 392211.34 |============ 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 |=================== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 3.06 |=================== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 2.75 |================= 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 |====================== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 10.63 |====================== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 8.17 |================= 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 |=================== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 26274.12 |=================== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 22047.32 |================ 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 |====================== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 27.92 |====================== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 21.13 |================= 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 |================== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 129173.42 |================== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 128020.92 |================== 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 |=============== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 132032.54 |=============== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 151459.04 |================= 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 |===================== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 502.94 |==================== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 472.39 |=================== 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 |======================= latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 220 |======================= stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 206 |====================== 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 |================= latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 7723868.40 |================= stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 7189173.52 |================ 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 |=================== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 3214.81 |=================== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 3091.80 |================== 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 |====================== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 12.12 |====================== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 12.26 |====================== 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 |==================== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 4236.40 |==================== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 4189.69 |==================== 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 |==================== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 8066.87 |==================== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 8070.98 |==================== 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 |===================== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 232.57 |===================== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 233.61 |===================== 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 |================== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 657322.60 |================== stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 656879.63 |================== 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 |==== latest-xanmod-cacule-kernel-v5-12-8-x1-vo ....... 2844295.80 |================= stable-xanmod-real-time-kernel-v5-10-35-rt39-vo . 891168.33 |=====