Microsoft Azure Sustained CPU Endurance Run
D8as_v6 - Aug 04 2025

Go to Microsoft Azure



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: Microsoft Azure
Plan: D8as_v6
Number of CPU cores: 8
Burstable CPU resources: no
CPU type: AMD EPYC 9V74 80-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. 34069
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. 0.34%
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. 49.8%
Min CPU idle Minimum percentage of CPU idle during the test. 49.3%
Average CPU steal Average percentage of CPU steal during the test. Lower is better. 0.00%
Max CPU steal Maximum percentage of CPU steal during the test. 0.00%


Number of tasks completed per hour




Date Number of iterations per hour CPU Idle % CPU Steal %
August 04, 2025 05:10 UTC 34080 60.88 0.0
August 04, 2025 05:00 UTC 34016 49.85 0.0
August 04, 2025 04:50 UTC 33989 49.84 0.0
August 04, 2025 04:40 UTC 34009 49.85 0.0
August 04, 2025 04:30 UTC 34024 49.85 0.0
August 04, 2025 04:20 UTC 34079 49.86 0.0
August 04, 2025 04:10 UTC 34032 49.84 0.0
August 04, 2025 04:00 UTC 34004 49.86 0.0
August 04, 2025 03:50 UTC 34043 49.83 0.0
August 04, 2025 03:40 UTC 34133 49.85 0.0
August 04, 2025 03:30 UTC 34084 49.82 0.0
August 04, 2025 03:20 UTC 34106 49.82 0.0
August 04, 2025 03:10 UTC 33989 49.84 0.0
August 04, 2025 03:00 UTC 34034 49.84 0.0
August 04, 2025 02:50 UTC 34083 49.83 0.0
August 04, 2025 02:40 UTC 34149 49.81 0.0
August 04, 2025 02:30 UTC 34169 49.83 0.0
August 04, 2025 02:20 UTC 34253 49.82 0.0
August 04, 2025 02:10 UTC 34120 49.57 0.0

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