AMD Kaveri ACPI CPU Freq Driver Scaling CPU freq driver tests on AMD A10 Kaveri. Benchmarks by Michael Larabel for a future article on Phoronix.com. CPUFreq Ondemand: Processor: AMD A10-7800 Radeon R7 12 Compute Cores 4C+8G @ 3.50GHz (4 Cores), Motherboard: ASUS A88X-PRO, Chipset: AMD Family 15h, Memory: 7168MB, Disk: 64GB OCZ AGILITY, Graphics: ASUS AMD Radeon R7 200 1024MB, Audio: AMD Kaveri HDMI/DP, Monitor: SyncMaster, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 14.04, Kernel: 3.16.0-031600-generic (x86_64), Desktop: Unity 7.2.2, Display Server: X Server 1.15.1, Display Driver: radeon 7.4.99, OpenGL: 3.3 Mesa 10.3.0-devel (git-b1843a2 2014-08-10 trusty-oibaf-ppa+gallium-nine) Gallium 0.4, Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 2560x1600 CPUFreq Conservative: Processor: AMD A10-7800 Radeon R7 12 Compute Cores 4C+8G @ 3.50GHz (4 Cores), Motherboard: ASUS A88X-PRO, Chipset: AMD Family 15h, Memory: 7168MB, Disk: 64GB OCZ AGILITY, Graphics: ASUS AMD Radeon R7 200 1024MB, Audio: AMD Kaveri HDMI/DP, Monitor: SyncMaster, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 14.04, Kernel: 3.16.0-031600-generic (x86_64), Desktop: Unity 7.2.2, Display Server: X Server 1.15.1, Display Driver: radeon 7.4.99, OpenGL: 3.3 Mesa 10.3.0-devel (git-b1843a2 2014-08-10 trusty-oibaf-ppa+gallium-nine) Gallium 0.4, Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 2560x1600 CPUFreq Performance: Processor: AMD A10-7800 Radeon R7 12 Compute Cores 4C+8G @ 3.50GHz (4 Cores), Motherboard: ASUS A88X-PRO, Chipset: AMD Family 15h, Memory: 7168MB, Disk: 64GB OCZ AGILITY, Graphics: ASUS AMD Radeon R7 200 1024MB, Audio: AMD Kaveri HDMI/DP, Monitor: SyncMaster, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 14.04, Kernel: 3.16.0-031600-generic (x86_64), Desktop: Unity 7.2.2, Display Server: X Server 1.15.1, Display Driver: radeon 7.4.99, OpenGL: 3.3 Mesa 10.3.0-devel (git-b1843a2 2014-08-10 trusty-oibaf-ppa+gallium-nine) Gallium 0.4, Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 2560x1600 CPUFreq Powersave: Processor: AMD A10-7800 Radeon R7 12 Compute Cores 4C+8G @ 3.50GHz (4 Cores), Motherboard: ASUS A88X-PRO, Chipset: AMD Family 15h, Memory: 7168MB, Disk: 64GB OCZ AGILITY, Graphics: ASUS AMD Radeon R7 200 1024MB, Audio: AMD Kaveri HDMI/DP, Monitor: SyncMaster, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 14.04, Kernel: 3.16.0-031600-generic (x86_64), Desktop: Unity 7.2.2, Display Server: X Server 1.15.1, Display Driver: radeon 7.4.99, OpenGL: 3.3 Mesa 10.3.0-devel (git-b1843a2 2014-08-10 trusty-oibaf-ppa+gallium-nine) Gallium 0.4, Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 2560x1600 CPU Frequency Monitor Phoronix Test Suite System Monitoring Megahertz CPUFreq Ondemand ..... MIN: 1400 AVG: 2491 MAX: 3500 CPUFreq Conservative . MIN: 1400 AVG: 2193 MAX: 3500 CPUFreq Performance .. MIN: 1400 AVG: 2435 MAX: 3500 CPUFreq Powersave .... MIN: 1400 AVG: 1400 MAX: 1400 OpenArena 0.8.5 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better CPUFreq Ondemand ..... 101.00 |=============================================== CPUFreq Conservative . 94.37 |============================================ CPUFreq Performance .. 103.30 |================================================ CPUFreq Powersave .... 91.30 |========================================== OpenArena 0.8.5 Resolution: 1920 x 1080 Frames Per Second Per Watt > Higher Is Better CPUFreq Ondemand ..... 1.29 |================================================ CPUFreq Conservative . 1.28 |================================================ CPUFreq Performance .. 1.32 |================================================== CPUFreq Powersave .... 1.33 |================================================== OpenArena 0.8.5 CPU Frequency Monitor Megahertz < Lower Is Better CPUFreq Ondemand ..... MIN: 1400 AVG: 1680 MAX: 3500 CPUFreq Conservative . MIN: 1400 AVG: 1459 MAX: 1900 CPUFreq Performance .. MIN: 1400 AVG: 1664 MAX: 3500 CPUFreq Powersave .... MIN: 1400 AVG: 1400 MAX: 1400 OpenArena 0.8.5 System Power Consumption Monitor Watts < Lower Is Better CPUFreq Ondemand ..... MIN: 54 AVG: 78 MAX: 91 CPUFreq Conservative . MIN: 55 AVG: 74 MAX: 83 CPUFreq Performance .. MIN: 54 AVG: 78 MAX: 89 CPUFreq Powersave .... MIN: 54 AVG: 69 MAX: 74 OpenSSL 1.0.1g RSA 4096-bit Performance Signs Per Second > Higher Is Better CPUFreq Ondemand ..... 274.60 |================================================ CPUFreq Conservative . 271.90 |================================================ CPUFreq Performance .. 274.60 |================================================ CPUFreq Powersave .... 123.17 |====================== OpenSSL 1.0.1g RSA 4096-bit Performance Signs Per Second Per Watt > Higher Is Better CPUFreq Ondemand ..... 3.26 |================================================= CPUFreq Conservative . 3.33 |================================================== CPUFreq Performance .. 3.24 |================================================= CPUFreq Powersave .... 2.07 |=============================== OpenSSL 1.0.1g CPU Frequency Monitor Megahertz < Lower Is Better CPUFreq Ondemand ..... MIN: 1400 AVG: 2927 MAX: 3500 CPUFreq Conservative . MIN: 1400 AVG: 3218 MAX: 3500 CPUFreq Performance .. MIN: 1400 AVG: 2975 MAX: 3500 CPUFreq Powersave .... MIN: 1400 AVG: 1400 MAX: 1400 OpenSSL 1.0.1g System Power Consumption Monitor Watts < Lower Is Better CPUFreq Ondemand ..... MIN: 55 AVG: 84 MAX: 93 CPUFreq Conservative . MIN: 57 AVG: 82 MAX: 92 CPUFreq Performance .. MIN: 55 AVG: 85 MAX: 93 CPUFreq Powersave .... MIN: 55 AVG: 60 MAX: 61 System Power Consumption Monitor Phoronix Test Suite System Monitoring Watts CPUFreq Ondemand ..... MIN: 54 AVG: 85 MAX: 98 CPUFreq Conservative . MIN: 52 AVG: 82 MAX: 98 CPUFreq Performance .. MIN: 52 AVG: 85 MAX: 99 CPUFreq Powersave .... MIN: 53 AVG: 68 MAX: 88 Tesseract 2014-05-12 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better CPUFreq Ondemand ..... 34.03 |================================================= CPUFreq Conservative . 33.49 |================================================ CPUFreq Performance .. 33.78 |================================================= CPUFreq Powersave .... 32.89 |=============================================== Tesseract 2014-05-12 Resolution: 1920 x 1080 Frames Per Second Per Watt > Higher Is Better CPUFreq Ondemand ..... 0.43 |============================================== CPUFreq Conservative . 0.43 |============================================== CPUFreq Performance .. 0.42 |============================================= CPUFreq Powersave .... 0.47 |================================================== Tesseract 2014-05-12 CPU Frequency Monitor Megahertz < Lower Is Better CPUFreq Ondemand ..... MIN: 1400 AVG: 1950 MAX: 3500 CPUFreq Conservative . MIN: 1400 AVG: 1511 MAX: 3000 CPUFreq Performance .. MIN: 1400 AVG: 2024 MAX: 3500 CPUFreq Powersave .... MIN: 1400 AVG: 1400 MAX: 1400 Tesseract 2014-05-12 System Power Consumption Monitor Watts < Lower Is Better CPUFreq Ondemand ..... MIN: 55 AVG: 80 MAX: 86 CPUFreq Conservative . MIN: 53 AVG: 77 MAX: 84 CPUFreq Performance .. MIN: 55 AVG: 81 MAX: 88 CPUFreq Powersave .... MIN: 53 AVG: 70 MAX: 82 Warsow 1.51 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better CPUFreq Ondemand ..... 26.67 |================================================ CPUFreq Conservative . 26.50 |================================================ CPUFreq Performance .. 27.07 |================================================= CPUFreq Powersave .... 23.07 |========================================== Warsow 1.51 Resolution: 1920 x 1080 Frames Per Second Per Watt > Higher Is Better CPUFreq Ondemand ..... 0.32 |================================================ CPUFreq Conservative . 0.33 |================================================== CPUFreq Performance .. 0.32 |================================================ CPUFreq Powersave .... 0.31 |=============================================== Warsow 1.51 CPU Frequency Monitor Megahertz < Lower Is Better CPUFreq Ondemand ..... MIN: 1400 AVG: 1925 MAX: 3500 CPUFreq Conservative . MIN: 1400 AVG: 1412 MAX: 1900 CPUFreq Performance .. MIN: 1400 AVG: 2062 MAX: 3500 CPUFreq Powersave .... MIN: 1400 AVG: 1400 MAX: 1400 Warsow 1.51 System Power Consumption Monitor Watts < Lower Is Better CPUFreq Ondemand ..... MIN: 56 AVG: 85 MAX: 90 CPUFreq Conservative . MIN: 55 AVG: 81 MAX: 89 CPUFreq Performance .. MIN: 53 AVG: 84 MAX: 90 CPUFreq Powersave .... MIN: 53 AVG: 75 MAX: 88 x264 2014-01-09 H.264 Video Encoding Frames Per Second > Higher Is Better CPUFreq Ondemand ..... 78.56 |================================================= CPUFreq Conservative . 78.01 |================================================= CPUFreq Performance .. 78.53 |================================================= CPUFreq Powersave .... 36.20 |======================= x264 2014-01-09 H.264 Video Encoding Frames Per Second Per Watt > Higher Is Better CPUFreq Ondemand ..... 0.95 |================================================ CPUFreq Conservative . 0.93 |=============================================== CPUFreq Performance .. 0.99 |================================================== CPUFreq Powersave .... 0.59 |============================== x264 2014-01-09 CPU Frequency Monitor Megahertz < Lower Is Better CPUFreq Ondemand ..... MIN: 1400 AVG: 2689 MAX: 3500 CPUFreq Conservative . MIN: 2500 AVG: 3333 MAX: 3500 CPUFreq Performance .. MIN: 1400 AVG: 2525 MAX: 3500 CPUFreq Powersave .... MIN: 1400 AVG: 1400 MAX: 1400 x264 2014-01-09 System Power Consumption Monitor Watts < Lower Is Better CPUFreq Ondemand ..... MIN: 55 AVG: 82 MAX: 98 CPUFreq Conservative . MIN: 54 AVG: 84 MAX: 98 CPUFreq Performance .. MIN: 52 AVG: 79 MAX: 98 CPUFreq Powersave .... MIN: 55 AVG: 61 MAX: 63 Xonotic 0.7 Resolution: 1920 x 1080 - Effects Quality: High Frames Per Second > Higher Is Better CPUFreq Ondemand ..... 38.77 |================================================= CPUFreq Conservative . 36.80 |=============================================== CPUFreq Performance .. 38.69 |================================================= CPUFreq Powersave .... 36.35 |============================================== Xonotic 0.7 Resolution: 1920 x 1080 - Effects Quality: High Frames Per Second Per Watt > Higher Is Better CPUFreq Ondemand ..... 0.44 |================================================ CPUFreq Conservative . 0.45 |================================================= CPUFreq Performance .. 0.44 |================================================ CPUFreq Powersave .... 0.46 |================================================== Xonotic 0.7 CPU Frequency Monitor Megahertz < Lower Is Better CPUFreq Ondemand ..... MIN: 1400 AVG: 2208 MAX: 3500 CPUFreq Conservative . MIN: 1400 AVG: 1575 MAX: 3500 CPUFreq Performance .. MIN: 1400 AVG: 2023 MAX: 3500 CPUFreq Powersave .... MIN: 1400 AVG: 1400 MAX: 1400 Xonotic 0.7 System Power Consumption Monitor Watts < Lower Is Better CPUFreq Ondemand ..... MIN: 55 AVG: 88 MAX: 95 CPUFreq Conservative . MIN: 53 AVG: 82 MAX: 90 CPUFreq Performance .. MIN: 55 AVG: 88 MAX: 96 CPUFreq Powersave .... MIN: 53 AVG: 80 MAX: 87