PQ.Hosting Sustained CPU Endurance Run
Hi-CPU Osmium - Nov 11 2024

Go to PQ.Hosting



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: PQ.Hosting
Plan: Hi-CPU Osmium
Number of CPU cores: 6
Burstable CPU resources: no
CPU type: AMD Ryzen 9 7950X 16-Core Processor


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. 34386
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. 9.27%
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. 49.7%
Min CPU idle Minimum percentage of CPU idle during the test. 49.5%
Average CPU steal Average percentage of CPU steal during the test. Lower is better. 0.65%
Max CPU steal Maximum percentage of CPU steal during the test. 3.27%


Number of tasks completed per hour




Date Number of iterations per hour CPU Idle % CPU Steal %
November 12, 2024 14:00 UTC 30016 51.8 1.97
November 12, 2024 12:00 UTC 32591 49.63 0.71
November 12, 2024 10:00 UTC 37313 49.69 0.21
November 12, 2024 08:00 UTC 37954 49.7 0.16
November 12, 2024 06:00 UTC 38676 49.71 0.12
November 12, 2024 04:00 UTC 36182 49.68 0.28
November 12, 2024 02:00 UTC 35781 49.75 0.34
November 12, 2024 00:00 UTC 35016 49.76 0.36
November 11, 2024 22:00 UTC 32354 49.75 0.76
November 11, 2024 20:00 UTC 30130 49.72 1.36
November 11, 2024 18:00 UTC 34566 49.72 0.56
November 11, 2024 16:00 UTC 31494 49.69 1.13
November 11, 2024 14:00 UTC 32260 49.68 0.94

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