cfs-vs-cacule-3
Intel Core i5-4670K testing with a MSI Z87-G41 PC Mate(MS-7850) v1.0 (V1.8 BIOS) and MSI AMD Radeon RX 470/480/570/570X/580/580X/590 8GB on Ubuntu 20.04 via the Phoronix Test Suite.


CacULE, full tickless, 1000HZ, low-latency PREEMPT: 

	Processor: Intel Core i5-4670K @ 4.30GHz (4 Cores), Motherboard: MSI Z87-G41 PC Mate(MS-7850) v1.0 (V1.8 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 32GB, Disk: 3 x 500GB Samsung SSD 860 + 1000GB Samsung SSD 860 + 1000GB My Passport 0740, Graphics: MSI AMD Radeon RX 470/480/570/570X/580/580X/590 8GB (1303/2050MHz), Audio: Realtek ALC887-VD, Monitor: NS-PMG248, Network: Qualcomm Atheros AR93xx

	OS: Ubuntu 20.04, Kernel: 5.4.134-0504134+customfull-generic (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.11, OpenGL: 4.6 Mesa 21.0.3 (LLVM 12.0.0), Vulkan: 1.2.145, Compiler: Clang 12.0.0-3ubuntu1~20.04.3 + LLVM 10.0.0, File-System: ext4, Screen Resolution: 3840x1080

CacULE, full tickless, 2000HZ, low-latency PREEMPT: 

	Processor: Intel Core i5-4670K @ 4.30GHz (4 Cores), Motherboard: MSI Z87-G41 PC Mate(MS-7850) v1.0 (V1.8 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 32GB, Disk: 3 x 500GB Samsung SSD 860 + 1000GB Samsung SSD 860 + 1000GB My Passport 0740, Graphics: MSI AMD Radeon RX 470/480/570/570X/580/580X/590 8GB (1303/2050MHz), Audio: Realtek ALC887-VD, Monitor: NS-PMG248, Network: Qualcomm Atheros AR93xx

	OS: Ubuntu 20.04, Kernel: 5.4.134-0504134+customfull-generic (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.11, OpenGL: 4.6 Mesa 21.0.3 (LLVM 12.0.0), Vulkan: 1.2.145, Compiler: Clang 12.0.0-3ubuntu1~20.04.3 + LLVM 10.0.0, File-System: ext4, Screen Resolution: 3840x1080

CacULE, full tickless, 500HZ, low-latency PREEMPT: 

	Processor: Intel Core i5-4670K @ 4.30GHz (4 Cores), Motherboard: MSI Z87-G41 PC Mate(MS-7850) v1.0 (V1.8 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 32GB, Disk: 3 x 500GB Samsung SSD 860 + 1000GB Samsung SSD 860, Graphics: MSI AMD Radeon RX 470/480/570/570X/580/580X/590 8GB (1303/2050MHz), Audio: Realtek ALC887-VD, Monitor: NS-PMG248, Network: Qualcomm Atheros AR93xx

	OS: Ubuntu 20.04, Kernel: 5.4.134-0504134+customfull-generic (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.11, OpenGL: 4.6 Mesa 21.0.3 (LLVM 12.0.0), Vulkan: 1.2.145, Compiler: Clang 12.0.0-3ubuntu1~20.04.3 + LLVM 10.0.0, File-System: ext4, Screen Resolution: 3840x1080

CacULE, idle tickless, 500HZ, low-latency PREEMPT: 

	Processor: Intel Core i5-4670K @ 4.30GHz (4 Cores), Motherboard: MSI Z87-G41 PC Mate(MS-7850) v1.0 (V1.8 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 32GB, Disk: 3 x 500GB Samsung SSD 860 + 1000GB Samsung SSD 860, Graphics: MSI AMD Radeon RX 470/480/570/570X/580/580X/590 8GB (1303/2050MHz), Audio: Realtek ALC887-VD, Monitor: NS-PMG248, Network: Qualcomm Atheros AR93xx

	OS: Ubuntu 20.04, Kernel: 5.4.134-0504134+custom-generic (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.11, OpenGL: 4.6 Mesa 21.0.3 (LLVM 12.0.0), Vulkan: 1.2.145, Compiler: Clang 12.0.0-3ubuntu1~20.04.3 + LLVM 10.0.0, File-System: ext4, Screen Resolution: 3840x1080

CFS, idle tickless, 1000HZ, low-latency PREEMPT: 

	Processor: Intel Core i5-4670K @ 4.30GHz (4 Cores), Motherboard: MSI Z87-G41 PC Mate(MS-7850) v1.0 (V1.8 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 32GB, Disk: 3 x 500GB Samsung SSD 860 + 1000GB Samsung SSD 860, Graphics: MSI AMD Radeon RX 470/480/570/570X/580/580X/590 8GB (1303/2050MHz), Audio: Realtek ALC887-VD, Monitor: NS-PMG248, Network: Qualcomm Atheros AR93xx

	OS: Ubuntu 20.04, Kernel: 5.4.134-0504134+custom-generic (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.11, OpenGL: 4.6 Mesa 21.0.3 (LLVM 12.0.0), Vulkan: 1.2.145, Compiler: Clang 12.0.0-3ubuntu1~20.04.3 + LLVM 10.0.0, File-System: ext4, Screen Resolution: 3840x1080

CFS, full tickless, 500HZ, low-latency PREEMPT: 

	Processor: Intel Core i5-4670K @ 4.30GHz (4 Cores), Motherboard: MSI Z87-G41 PC Mate(MS-7850) v1.0 (V1.8 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 32GB, Disk: 3 x 500GB Samsung SSD 860 + 1000GB Samsung SSD 860, Graphics: MSI AMD Radeon RX 470/480/570/570X/580/580X/590 8GB (1303/2050MHz), Audio: Realtek ALC887-VD, Monitor: NS-PMG248, Network: Qualcomm Atheros AR93xx

	OS: Ubuntu 20.04, Kernel: 5.4.134-0504134+customfull-generic (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.11, OpenGL: 4.6 Mesa 21.0.3 (LLVM 12.0.0), Vulkan: 1.2.145, Compiler: Clang 12.0.0-3ubuntu1~20.04.3 + LLVM 10.0.0, File-System: ext4, Screen Resolution: 3840x1080

Ubuntu default, 5.4.0-81, idle tickless, 250HZ, generic, PREEMPT_VOLUNTARY, mitigations=on: 

	Processor: Intel Core i5-4670K @ 4.30GHz (4 Cores), Motherboard: MSI Z87-G41 PC Mate(MS-7850) v1.0 (V1.8 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 32GB, Disk: 3 x 500GB Samsung SSD 860 + 1000GB Samsung SSD 860, Graphics: MSI AMD Radeon RX 470/480/570/570X/580/580X/590 8GB (1303/2000MHz), Audio: Realtek ALC887-VD, Monitor: NS-PMG248, Network: Qualcomm Atheros AR93xx

	OS: Ubuntu 20.04, Kernel: 5.4.0-81-generic (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.11, OpenGL: 4.6 Mesa 21.0.3 (LLVM 12.0.0), Vulkan: 1.2.145, Compiler: Clang 12.0.0-3ubuntu1~20.04.3 + LLVM 10.0.0, File-System: ext4, Screen Resolution: 3840x1080

Ubuntu default, 5.4.0-81, idle tickless, 250HZ, generic, PREEMPT_VOLUNTARY: 

	Processor: Intel Core i5-4670K @ 4.30GHz (4 Cores), Motherboard: MSI Z87-G41 PC Mate(MS-7850) v1.0 (V1.8 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 32GB, Disk: 3 x 500GB Samsung SSD 860 + 1000GB Samsung SSD 860, Graphics: MSI AMD Radeon RX 470/480/570/570X/580/580X/590 8GB (1303/2000MHz), Audio: Realtek ALC887-VD, Monitor: NS-PMG248, Network: Qualcomm Atheros AR93xx

	OS: Ubuntu 20.04, Kernel: 5.4.0-81-generic (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.11, OpenGL: 4.6 Mesa 21.0.3 (LLVM 12.0.0), Vulkan: 1.2.145, Compiler: Clang 12.0.0-3ubuntu1~20.04.3 + LLVM 10.0.0, File-System: ext4, Screen Resolution: 3840x1080


OSBench
Test: Create Files
us Per Event < Lower Is Better
CacULE, full tickless, 1000HZ, low-latency PREEMPT ......................................... 9.710547  |
CacULE, full tickless, 2000HZ, low-latency PREEMPT ......................................... 9.727907  |
CacULE, full tickless, 500HZ, low-latency PREEMPT .......................................... 9.602110  |
CacULE, idle tickless, 500HZ, low-latency PREEMPT .......................................... 9.959060  |
CFS, idle tickless, 1000HZ, low-latency PREEMPT ............................................ 9.600274  |
CFS, full tickless, 500HZ, low-latency PREEMPT ............................................. 9.763471  |
Ubuntu default, 5.4.0-81, idle tickless, 250HZ, generic, PREEMPT_VOLUNTARY, mitigations=on . 13.284295 |
Ubuntu default, 5.4.0-81, idle tickless, 250HZ, generic, PREEMPT_VOLUNTARY ................. 11.449167 |


OSBench
Test: Create Threads
us Per Event < Lower Is Better
CacULE, full tickless, 1000HZ, low-latency PREEMPT ......................................... 6.949107 |
CacULE, full tickless, 2000HZ, low-latency PREEMPT ......................................... 6.914139 |
CacULE, full tickless, 500HZ, low-latency PREEMPT .......................................... 6.829898 |
CacULE, idle tickless, 500HZ, low-latency PREEMPT .......................................... 6.866455 |
CFS, idle tickless, 1000HZ, low-latency PREEMPT ............................................ 6.830692 |
CFS, full tickless, 500HZ, low-latency PREEMPT ............................................. 6.875992 |
Ubuntu default, 5.4.0-81, idle tickless, 250HZ, generic, PREEMPT_VOLUNTARY, mitigations=on . 9.505749 |
Ubuntu default, 5.4.0-81, idle tickless, 250HZ, generic, PREEMPT_VOLUNTARY ................. 8.683205 |


OSBench
Test: Launch Programs
us Per Event < Lower Is Better
CacULE, full tickless, 1000HZ, low-latency PREEMPT ......................................... 56.49 |
CacULE, full tickless, 2000HZ, low-latency PREEMPT ......................................... 55.99 |
CacULE, full tickless, 500HZ, low-latency PREEMPT .......................................... 55.50 |
CacULE, idle tickless, 500HZ, low-latency PREEMPT .......................................... 56.03 |
CFS, idle tickless, 1000HZ, low-latency PREEMPT ............................................ 56.70 |
CFS, full tickless, 500HZ, low-latency PREEMPT ............................................. 55.17 |
Ubuntu default, 5.4.0-81, idle tickless, 250HZ, generic, PREEMPT_VOLUNTARY, mitigations=on . 72.33 |
Ubuntu default, 5.4.0-81, idle tickless, 250HZ, generic, PREEMPT_VOLUNTARY ................. 64.78 |


OSBench
Test: Create Processes
us Per Event < Lower Is Better
CacULE, full tickless, 1000HZ, low-latency PREEMPT ......................................... 15.13 |
CacULE, full tickless, 2000HZ, low-latency PREEMPT ......................................... 15.28 |
CacULE, full tickless, 500HZ, low-latency PREEMPT .......................................... 15.23 |
CacULE, idle tickless, 500HZ, low-latency PREEMPT .......................................... 15.31 |
CFS, idle tickless, 1000HZ, low-latency PREEMPT ............................................ 15.15 |
CFS, full tickless, 500HZ, low-latency PREEMPT ............................................. 15.08 |
Ubuntu default, 5.4.0-81, idle tickless, 250HZ, generic, PREEMPT_VOLUNTARY, mitigations=on . 19.97 |
Ubuntu default, 5.4.0-81, idle tickless, 250HZ, generic, PREEMPT_VOLUNTARY ................. 18.78 |


OSBench
Test: Memory Allocations
Ns Per Event < Lower Is Better
CacULE, full tickless, 1000HZ, low-latency PREEMPT ......................................... 63.77 |
CacULE, full tickless, 2000HZ, low-latency PREEMPT ......................................... 64.40 |
CacULE, full tickless, 500HZ, low-latency PREEMPT .......................................... 64.09 |
CacULE, idle tickless, 500HZ, low-latency PREEMPT .......................................... 64.55 |
CFS, idle tickless, 1000HZ, low-latency PREEMPT ............................................ 64.49 |
CFS, full tickless, 500HZ, low-latency PREEMPT ............................................. 63.99 |
Ubuntu default, 5.4.0-81, idle tickless, 250HZ, generic, PREEMPT_VOLUNTARY, mitigations=on . 69.02 |
Ubuntu default, 5.4.0-81, idle tickless, 250HZ, generic, PREEMPT_VOLUNTARY ................. 65.97 |