You might want to check the global (overall) AI settings, including reducing the number of simultaneous connections: oftentimes this carries over as the previously recommended setting of 40, now Ken has said either in the help file or release notes that 2 to 4 works far better for many systems, and will dramatically bring down RAM and CPU spikes and overall usage. Also, go into every camera's settings: AI may be turned on for each camera unintentionally, including facial recognition, license plates, etc...disable as needed.
Reducing CPU Usage
- Thread starter Arjun
- Start date
You said BI is shut down when you are still seeing roughly 20% CPU usage, but is it still potentially running as a service in the background? Go the the Windows "Services" tab/plugin/panel and double-check from there that BI is truly shut down fully.
Only if the CPU temperature is high. Then it wouldn't hurt to clean off the old and add new as long as the new paste isn't old and dried out. I have a tube of this.. You don't need to apply much, but if in doubt, it is okay to add too much. The worst it will do is squirt out the edges of the heatsink and make a bit of a goopy mess. It shouldn't cause any short circuits or anything like that.
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I ensured the service was completely stopped, followed by checking overall CPU usage
Squirt tube - got it. I will try that and report back, lol
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If you want to try one more thing before going through the hassle of a full OS reinstallation, you might want to try this out to essentially do an "in-place" debloat, it allows you turn off many unwanted services in Windows (10 or 11).
Will try that and report back - funny thing is that the developer is a Microsoft Partner, lol
I applied the recommended settings, restarted the computer, stopped the Blue Iris Service and immediately saw CPU usage go down to single digits and as low as "0" zero % percent (even with Chrome still on as I type) with the occasional spike to 12% and so
I'm convinced due to updates being made to Windows around the clock, majority users here are likely running a "lite" debloated version of Windows which explains the very minimum CPU usage.
So now with Blue Iris running (after disabling the bloated crap in the background), the CPU % usage is ranging between 5% and 35% - spikes do still occur but are very intermittent especially when motion / detections occur
Yes, those CPU temps are pretty high, but they seem to have been polled when the CPU utilization was also quite high (first column typically). Either way, it warrants further investigation: at a minimum, a full interior of computer case cleaning, particularly the CPU fan and cooler. Compressed air is your friend here (outdoors preferably), but don't use it on fans without manually holding/stopping the rotation, as the high velocity air can ruin the bearings by spinning the fan too fast if unrestrained.
Obviously, renewing the thermal paste is also advised, but oftentimes a simple "cleanout" will do wonders.
Windows does have a lot of bloat, but I struggle to accept that a 'healthy' clean install of Windows would use 20% CPU doing nothing. It's interesting.
Yes, the i5-9500 max temperature is 100°C, so having it at 90°C is rather hot but also not hot enough that I would expect major performance loss due to throttling. The CPU frequency is up around 4000-4200 MHz which is near its turbo boost limit of 4400 MHz. Definitely check for dust buildup, fans not spinning, and if you've got fresh thermal paste go ahead and use it
In the past (and maybe still now but we don't see many posts about it anymore), it used to be the manufactures version of the graphics driver that would cause it and because of the manufacturer version, you couldn't change the graphics driver to a clean one without a clean install of Windows.
Bruce_H
Pulling my weight
Do not spin the fans on GPU cards with compressed air it has been known to generate voltage spikes and blowup the cards! In any case best not to use excess air on any cooling fan, keep the nozzle well away!
Err...yes, that was mentioned in my post as well, the fan should remain fixed/stationary, both to preserve the bearings and to avoid turning the fan into a (voltage) generator.