cfs-vs-cacule-ctx-bench
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, 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

CFE, 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

CFE, 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: 

	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, 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

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, 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, 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+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


ctx_clock
Context Switch Time
Clocks < Lower Is Better
CacULE, idle tickless, 500HZ, low-latency PREEMPT .......................................... 142 |
CFE, idle tickless, 1000HZ, low-latency PREEMPT ............................................ 142 |
CFE, full tickless, 500HZ, low-latency PREEMPT ............................................. 145 |
Ubuntu default, 5.4.0-81, idle tickless, 250HZ, generic, PREEMPT_VOLUNTARY ................. 148 |
Ubuntu default, 5.4.0-81, idle tickless, 250HZ, generic, PREEMPT_VOLUNTARY, mitigations=on . 516 |
CacULE, full tickless, 2000HZ, low-latency PREEMPT ......................................... 145 |
CacULE, full tickless, 1000HZ, low-latency PREEMPT ......................................... 145 |