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Hardware Accelerated Video?
Does LMI Central use hardware acceleration for encoding/decoding the video stream, and is the codec published? I can only really speak anecdotally, but I feel like the CPU and GPU usage attribut...
I ended up having a little time to tool around tonight. Possibly some interesting findings:
On my host computer with the "Blank Screen" option enabled , and the "Display Accelerator" enabled, and nothing running on the host other than task manager (and LMI):
- LMI Remote Control Application process is using about 8-9% CPU and 0% GPU
- Desktop Window Manager process is using ~5-6% CPU and ~18-22% GPU
On my host computer with the "Blank Screen" option disabled , and the "Display Accelerator" enabled, and nothing running on the host other than task manager (and LMI):
- LMI Remote Control Application process is using about 0-3% CPU and 0-8% GPU. 0.3% GPU when fully idling, or up to 8% GPU when there is more motion on the host screen.
- Desktop Window Manager process is using ~0% CPU and ~0% GPU
I tried turning "Display Accelerator" off and rebooting the host and testing again. The CPU and GPU usage percentages were still the same as above (both when Blank Screen on and Black Screen off).
On my client computer with the "Blank Screen" option enabled , and nothing running on the host other than task manager (and LMI):
- LogMeIn Client process is using about 10-18% CPU and ~0% GPU
- Client Server Runtime process is using about ~0% CPU and 10-25% GPU (mostly around ~18% GPU, and only momentary spikes to ~25% GPU when there is a lot of motion on the host screen)
- Desktop Window Manager process is using ~2% CPU and ~0% GPU
On my client computer with the "Blank Screen" option disabled , and nothing running on the host other than task manager (and LMI):
- LogMeIn Client process is using about 1-8% CPU and ~0% GPU
- Client Server Runtime process is using about ~0% CPU and 0-15% GPU (mostly around ~0.5% GPU, and only momentary spikes to ~15% GPU when there is a lot of motion on the host screen)
- Desktop Window Manager process is using ~0% CPU and ~0% GPU
So it seems like it is "Blank Screen" which is comparably very resource-intensive - somehow on both the host and the client. So are there some hardware properties/specs which would be more optimized for use with "Blank Screen"?
Hello etb -
Thanks again for your deep research into this issue. You have much more knowledge about the CPU / GPU mix than I, and I appreciate your input.
At least one of the laptops is now working properly, probably because of disabling the Display Accelerator AND rebooting. (I don't think I rebooted in my previous attempt.)
Still waiting to gain access to 3 other laptops to test this theory.
Cheers!
