clocksource
Intel Core i5-2520M testing with a HP 1618 (68SCF Ver. F.04 BIOS) and Intel HD 3000 2GB on ManjaroLinux 20.0.3 via the Phoronix Test Suite.


tsc: 

	Processor: Intel Core i5-2520M @ 3.20GHz (2 Cores / 4 Threads), Motherboard: HP 1618 (68SCF Ver. F.04 BIOS), Chipset: Intel 2nd Generation Core DRAM, Memory: 8GB, Disk: 320GB Seagate ST9320423AS, Graphics: Intel HD 3000 2GB (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM + Intel Centrino Advanced-N 6205

	OS: ManjaroLinux 20.0.3, Kernel: 5.7.4-xanmod1-1-xanmod (x86_64), Desktop: Cinnamon 4.6.3, Display Server: X Server 1.20.8, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 20.0.7, Compiler: GCC 10.1.0, File-System: ext4, Screen Resolution: 1366x768

hpet: 

	Processor: Intel Core i5-2520M @ 3.20GHz (2 Cores / 4 Threads), Motherboard: HP 1618 (68SCF Ver. F.04 BIOS), Chipset: Intel 2nd Generation Core DRAM, Memory: 8GB, Disk: 320GB Seagate ST9320423AS, Graphics: Intel HD 3000 2GB (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM + Intel Centrino Advanced-N 6205

	OS: ManjaroLinux 20.0.3, Kernel: 5.7.4-xanmod1-1-xanmod (x86_64), Desktop: Cinnamon 4.6.3, Display Server: X Server 1.20.8, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 20.0.7, Compiler: GCC 10.1.0, File-System: ext4, Screen Resolution: 1366x768

acpi_pm: 

	Processor: Intel Core i5-2520M @ 3.20GHz (2 Cores / 4 Threads), Motherboard: HP 1618 (68SCF Ver. F.04 BIOS), Chipset: Intel 2nd Generation Core DRAM, Memory: 8GB, Disk: 320GB Seagate ST9320423AS, Graphics: Intel HD 3000 2GB (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM + Intel Centrino Advanced-N 6205

	OS: ManjaroLinux 20.0.3, Kernel: 5.7.4-xanmod1-1-xanmod (x86_64), Desktop: Cinnamon 4.6.3, Display Server: X Server 1.20.8, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 20.0.7, Compiler: GCC 10.1.0, File-System: ext4, Screen Resolution: 1366x768


Unreal Tournament 2004 Demo 3334
Map: CTF-BridgeOfFate Botmatch - Resolution: 1024 x 768
Frames Per Second > Higher Is Better
tsc ..... 169.78 |=============================================================
hpet .... 168.03 |============================================================
acpi_pm . 167.84 |============================================================


RAMspeed SMP 3.5.0
Type: Average - Benchmark: Floating Point
MB/s > Higher Is Better
tsc ..... 13021.15 |===========================================================
hpet .... 12994.94 |===========================================================
acpi_pm . 12978.97 |===========================================================


IPC_benchmark
Type: Unnamed Pipe - Message Bytes: 1024
Messages Per Second > Higher Is Better
tsc ..... 2579084 |=======================================================
hpet .... 2822467 |============================================================
acpi_pm . 2689323 |=========================================================


IPC_benchmark
Type: FIFO Named Pipe - Message Bytes: 1024
Messages Per Second > Higher Is Better
tsc ..... 2482891 |===================================================
hpet .... 2895001 |============================================================
acpi_pm . 2539162 |=====================================================


Coremark 1.0
CoreMark Size 666 - Iterations Per Second
Iterations/Sec > Higher Is Better
tsc ..... 51231.43 |===========================================================
hpet .... 50969.57 |===========================================================
acpi_pm . 51263.09 |===========================================================


Core-Latency
Average Latency Between CPU Cores
ns < Lower Is Better
tsc ..... 82.70 |==============================================================
hpet .... 80.54 |============================================================
acpi_pm . 78.35 |===========================================================