Ctx_clock is a simple test program to measure the context switch time in clock cycles.
To run this test with the Phoronix Test Suite, the basic command is: phoronix-test-suite benchmark ctx-clock.
OpenBenchmarking.org metrics for this test profile configuration based on 4,179 public results since 18 February 2019 with the latest data as of 3 May 2024.
Below is an overview of the generalized performance for components where there is sufficient statistically significant data based upon user-uploaded results. It is important to keep in mind particularly in the Linux/open-source space there can be vastly different OS configurations, with this overview intended to offer just general guidance as to the performance expectations.
Based on OpenBenchmarking.org data, the selected test / test configuration (ctx_clock - Context Switch Time) has an average run-time of 2 minutes. By default this test profile is set to run at least 3 times but may increase if the standard deviation exceeds pre-defined defaults or other calculations deem additional runs necessary for greater statistical accuracy of the result.
Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.2%.
No, based on the automated analysis of the collected public benchmark data, this test / test settings does not generally scale well with increasing CPU core counts. Data based on publicly available results for this test / test settings, separated by vendor, result divided by the reference CPU clock speed, grouped by matching physical CPU core count, and normalized against the smallest core count tested from each vendor for each CPU having a sufficient number of test samples and statistically significant data.
Notable instruction set extensions supported by this test, based on an automatic analysis by the Phoronix Test Suite / OpenBenchmarking.org analytics engine.
This test profile binary relies on the shared libraries libc.so.6.
This benchmark has been successfully tested on the below mentioned architectures. The CPU architectures listed is where successful OpenBenchmarking.org result uploads occurred, namely for helping to determine if a given test is compatible with various alternative CPU architectures.
1 System - 371 Benchmark Results |
2 x Intel Xeon Gold 5118 - Cisco UCSB-B200-M5 - Intel Sky Lake-E DMI3 Registers OracleServer 8.9 - 5.15.0-202.135.2.el8uek.x86_64 - GCC 10.3.1 20210422 |
1 System - 371 Benchmark Results |
4 x Intel Xeon Gold 6240 - Intel 440BX - Intel 440BX Oracle Linux Server 9.3 - 5.14.0-362.24.1.0.1.el9_3.x86_64 - GCC 11.4.1 20230605 |
1 System - 371 Benchmark Results |
4 x Intel Xeon Gold 6240 - Intel 440BX - Intel 440BX OracleServer 8.9 - 4.18.0-513.24.1.el8_9.x86_64 - GCC 10.3.1 20210422 |
1 System - 37 Benchmark Results |
QEMU Virtual 2.5+ - QEMU Standard PC - Intel 440FX 82441FX PMC openSUSE Leap 15.5 - 5.14.21-150500.55.59-default - Xfce |
1 System - 371 Benchmark Results |
2 x Intel Xeon Gold 5118 - Cisco UCSB-B200-M5 - Intel Sky Lake-E DMI3 Registers Oracle Linux Server 9.3 - 5.15.0-205.149.5.1.el9uek.x86_64 - GCC 11.4.1 20230605 |
2 Systems - 145 Benchmark Results |
2 x Intel Xeon Gold 6252 - Intel S2600WFD - Intel Sky Lake-E DMI3 Registers Ubuntu 24.04 - 6.8.0-31-generic - GCC 13.2.0 |
2 Systems - 147 Benchmark Results |
2 x Intel $0000% - Intel M50CYP2SB2U - Intel Ice Lake IEH Ubuntu 24.04 - 6.8.0-31-generic - GCC 13.2.0 |
11 Systems - 139 Benchmark Results |
AMD Ryzen 9 3900X 12-Core - MSI X570-A PRO - AMD Starship Ubuntu 24.04 - 6.8.0-31-generic - GCC 13.2.0 |
12 Systems - 139 Benchmark Results |
2 x Intel Xeon Gold 5218 - Cisco UCSC-C480-M5 - Intel Sky Lake-E DMI3 Registers Ubuntu 23.10 - 6.5.0-26-generic - GCC 13.2.0 |
11 Systems - 139 Benchmark Results |
Intel Core i5-1135G7 - LENOVO Lenovo V15 G2 ITL LNVNB161216 - Intel Tiger Lake-LP Ubuntu 24.04 - 6.8.0-31-generic - GCC 13.2.0 |
1 System - 39 Benchmark Results |
Intel Xeon D-2775TE - Lenovo SB27B33636 v06 - Intel Device 0998 Ubuntu 22.04 - 5.15.0-105-generic - 1.3.255 |
9 Systems - 183 Benchmark Results |
2 x Intel Xeon Gold 5218 - Cisco UCSC-C480-M5 - Intel Sky Lake-E DMI3 Registers Ubuntu 23.10 - 6.5.0-9-generic - GCC 13.2.0 |
1 System - 35 Benchmark Results |
Intel Xeon Gold 5416S - Dell 075K3T - Intel Device 1bce Ubuntu 22.04 - 5.15.0-105-generic - 1.3.255 |
8 Systems - 185 Benchmark Results |
2 x Intel Xeon Gold 5218 - Cisco UCSC-C480-M5 - Intel Sky Lake-E DMI3 Registers Ubuntu 23.10 - 6.5.0-26-generic - GCC 13.2.0 |
8 Systems - 185 Benchmark Results |
2 x Intel Xeon Gold 5218 - Cisco UCSC-C480-M5 - Intel Sky Lake-E DMI3 Registers Ubuntu 23.10 - 6.5.0-26-generic - GCC 13.2.0 |
2 Systems - 535 Benchmark Results |
Intel Core i7-1065G7 - Dell 06CDVY - Intel Device 34ef Ubuntu 20.04 - 5.9.0-050900rc7daily20201003-generic - GNOME Shell 3.36.4 |
9 Systems - 7 Benchmark Results |
Intel Core i3-3110M - LENOVO - Intel 3rd Gen Core DRAM VoidLinux rolling - 5.11.21_1 - X Server 1.20.11 |
11 Systems - 217 Benchmark Results |
AMD Ryzen 5 2600X Six-Core - ASUS ROG CROSSHAIR VIII HERO - AMD 17h Ubuntu 20.04 - 5.9.0-050900-generic - GNOME Shell 3.36.4 |
12 Systems - 593 Benchmark Results |
Intel Core i5-10600K - ASUS PRIME Z490M-PLUS - Intel Comet Lake PCH Ubuntu 20.04 - 5.8.0-050800daily20200622-generic - GNOME Shell 3.36.2 |
Featured Processor Comparison |
Intel Core i9-10900K - Gigabyte Z490 AORUS MASTER - Intel Comet Lake PCH Ubuntu 20.04 - 5.7.0-999-generic - GNOME Shell 3.36.1 |
22 Systems - 46 Benchmark Results |
Intel Core i7-7700K - MSI Z270-A PRO - Intel Xeon E3-1200 v6 Ubuntu 20.10 - 5.10.4-051004-generic - GNOME Shell 3.38.1 |
Featured Motherboard Comparison |
AMD Ryzen 9 3900X 12-Core - ASUS ROG CROSSHAIR VIII HERO - AMD Device 1480 Ubuntu 18.04 - 4.18.0-25-generic - GNOME Shell 3.28.4 |
Featured Processor Comparison |
AMD Ryzen Threadripper 3960X 24-Core - MSI Creator TRX40 - AMD Starship Ubuntu 19.10 - 5.3.0-23-generic - GNOME Shell 3.34.1 |
12 Systems - 209 Benchmark Results |
POWER9 - PowerNV C1P9S01 REV 1.01 - 131072MB Ubuntu 19.04 - 5.0.0-17-generic - GCC 9.1.0 |
4 Systems - 67 Benchmark Results |
Intel Core i7-3960X - Intel DX79SI - Intel Xeon E5 Ubuntu 18.04 - 5.0.0-27-generic - GNOME Shell 3.28.4 |
2 Systems - 123 Benchmark Results |
Intel Core i7-8700K - ASUS TUF Z370-PLUS GAMING - Intel 8th Gen Core Clear Linux OS 29920 - 5.1.9-781.native - GNOME Shell 3.32.2 |
6 Systems - 143 Benchmark Results |
AMD Ryzen 9 5900X 12-Core - ASUS ROG CROSSHAIR VIII HERO - AMD Starship Ubuntu 20.10 - 5.8.0-36-generic - GNOME Shell 3.38.1 |
3 Systems - 173 Benchmark Results |
AMD Ryzen Threadripper 3970X 32-Core - ASUS ROG ZENITH II EXTREME - AMD Starship Ubuntu 20.04 - 5.4.0-37-generic - GNOME Shell 3.36.2 |
8 Systems - 439 Benchmark Results |
AMD Ryzen 5 5600X 6-Core - ASUS ROG CROSSHAIR VIII HERO - AMD Starship Ubuntu 21.04 - 5.12.0-051200rc3daily20210315-generic - GNOME Shell 3.38.3 |
6 Systems - 57 Benchmark Results |
Intel Core i7-8086K - ASUS PRIME Z370-A - Intel 8th Gen Core Ubuntu 18.10 - 5.0.0-999-generic - GNOME Shell 3.30.1 |