But a small area to the right (remember those 5 pixels in the table?) and to the left of this button does.Īnd if I put the big monitor with flexVDIClient left to the small screen with the taskbar, then CPU usage is high when flexVDIClient is next to the “Start button”. And not even the whole button: the bottom part of this button does not present this effect.
Just the “show desktop button” in the right side of the taskbar. If I moved the taskbar to the left side or to the top of the left screen, so that the window was not behind the taskbar, the high CPU usage disappeared.īut it is not the full taskbar what caused the problem. I found that it was not window position itself, but window position relative to Windows taskbar what caused the problem. But if all the window is inside the left screen, CPU usage is low again. When flexVDIClient window is “close” to the left screen, up to 5 pixels away, CPU usage (by the “System” process) is high. Let “x” be the distance (in pixels) from the left border of the big screen to the left border of flexVDIClient, with negative values indicating that part of the window is in the left screen: Then I started moving the window, and I noticed the following: Window positioning seems to be the keyĪfter changing the windows size, without affecting too much to CPU usage, I had to try something else. Maybe it wasn´t flexVDIClient´s fault after all. So my first tests involved resizing the client: when I made flexVDIClient only slightly smaller than the full screen, CPU usage went down to 20%, which looked quite good. Then I started playing with it.įlexVDIClient´s main task is showing images of the remote console of a virtual machine, so the amount of computations per second it has to do depends on the amount of pixels it has to move to the local display. As soon as I closed flexVDIClient, the cpu felt down to 14%, so it looked like flexVDIClient was the problem. Initially I found that when flexVDIClient was full screen, the global cpu usage (4 cpu threads) was around 45%, with “System“ as the main CPU consumer.
My favorite layout is using the full big screen in the right side for a flexVDIClient connected to the console of one of my VM´s, and the small one for messaging, email… The windows taskbar is in the bottom of the left screen, where I can see the notifications. GPU is an Intel HD Graphics 4000, and the processor is an Intel i5.
What I found was quite unexpected, though.įirst I will describe my setup: my computer is a Windows 7 laptop with a 1366×768 screen, and an additional 1920×1080 monitor in the right side. So I investigated the issue, expecting I could find a way to optimize the program. Lately I have been using flexVDIClient full time, and I have noticed that the fan in my PC turned into high speed frequently, due to CPU usage. Transparency, taskbar, and high CPU usage
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