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 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 |======================== 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 |=== 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 |============================ 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 |======================== 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 |=========================== 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 |======================= 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 |================= 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 |========================= 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 |=========================== 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 |========================== 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 |==================== 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 |========================== 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 |========================== 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 |========================= 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 |============= 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 |===================== 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 |======================== 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 |=========================== 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 |======================= 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 |=============================