Virtarix Sustained CPU Endurance Run
VPS S - Nov 07 2024

Go to Virtarix



The sustained CPU endurance test runs a cpu intensive task in a loop for 24 hours. As maxing out the cpu might be considered abusive, the tests aims to use no more than 50% of each cpu core on the VPS.

The purpose of this type of test is

  • first to evaluate the speed to the VPS,
  • second to evaluate the stability over time of the cpu available to the VPS
  • and third to detect VPS where the CPU is throttled and the performance goes down over time after cpu utilization goes over a threshold the provider considers excessive for a particular plan.

The performance is measured at regular intervals in terms of tasks executed per hour, amount of idle cpu and amount of "cpu steal".

Provider: Virtarix
Plan: VPS S
Number of CPU cores: 3
Burstable CPU resources: no
CPU type: Intel(R) Xeon(R) Gold 6230 CPU @ 2.10GHz


DescriptionValue
Target CPU usage Overall CPU that the endurance test tries to use across all CPU cores on the VM. 50%
Average iterations per hour Average number of tasks executed per hour. It represents how much work the VPS was able to achieve per hour. Higher numbers are better. 9058
Coefficient of variation iterations per hour This represents the dispersion of the number of tasks per hour. It's the standard deviation divided by the mean number of tasks per hour. It's an indicator on stability of the performance of the VPS. A low standard deviation means the VPS speed stayed close to constant. A high standard deviation means performance varied significantly during the test. 2.05%
Average CPU idle Average percentage of CPU that was idle during the test. This number should be close to 50% unless the CPU is being throttled like in burstable VPS plans. 49.6%
Min CPU idle Minimum percentage of CPU idle during the test. 48.9%
Average CPU steal Average percentage of CPU steal during the test. Lower is better. 0.01%
Max CPU steal Maximum percentage of CPU steal during the test. 0.02%


Number of tasks completed per hour




Date Number of iterations per hour CPU Idle % CPU Steal %
November 08, 2024 20:00 UTC 8884 55.48 0.01
November 08, 2024 18:00 UTC 8856 49.54 0.02
November 08, 2024 16:00 UTC 8835 49.49 0.01
November 08, 2024 14:00 UTC 8723 49.53 0.01
November 08, 2024 12:00 UTC 8948 49.52 0.01
November 08, 2024 10:00 UTC 9165 49.6 0.01
November 08, 2024 08:00 UTC 9192 49.61 0.01
November 08, 2024 06:00 UTC 9149 49.62 0.01
November 08, 2024 04:00 UTC 9224 49.57 0.01
November 08, 2024 02:00 UTC 9213 49.62 0.01
November 08, 2024 00:00 UTC 9232 49.62 0.01
November 07, 2024 22:00 UTC 9221 49.59 0.01
November 07, 2024 20:00 UTC 8954 49.51 0.01

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