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Re: FileSel takes quite a lot of CPU on Windows [message #58406 is a reply to message #58325]

Wed, 18 May 2022 10:11

mirek
Messages: 13975
Registered: November 2005

Ultimate Member

Tom1 wrote on Fri, 22 April 2022 23:32

Hi,

Using FileSel (e.g. FileSel::ExecuteOpen()) takes a whole lot of CPU cycles on the background and it continues to dominate one CPU core for about half a minute after opening the FileSel dialog. This is on Windows. No such issue on Linux. You can see it on the Windows Task Manager by observing CPU usage (of e.g. UWord) when opening a file using FileSel. I looked back and noticed that this was already present in 2021.1 and remains there in 2022.1rc3.

Best regards,

Tom

Cannot reproduce.

That said, FileSel is loading icons for .exe files in the background. Could that be an explanation?

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[Message index]

		FileSel takes quite a lot of CPU on Windows By: Tom1 on Fri, 22 April 2022 23:32
		Re: FileSel takes quite a lot of CPU on Windows By: mirek on Wed, 18 May 2022 10:11
		Re: FileSel takes quite a lot of CPU on Windows By: Tom1 on Wed, 18 May 2022 12:30
		Re: FileSel takes quite a lot of CPU on Windows By: Tom1 on Wed, 18 May 2022 13:42
		Re: FileSel takes quite a lot of CPU on Windows By: Tom1 on Wed, 18 May 2022 15:01
		Re: FileSel takes quite a lot of CPU on Windows By: mirek on Thu, 19 May 2022 08:57
		Re: FileSel takes quite a lot of CPU on Windows By: Tom1 on Thu, 19 May 2022 09:48
		Re: FileSel takes quite a lot of CPU on Windows By: mirek on Thu, 19 May 2022 09:55
		Re: FileSel takes quite a lot of CPU on Windows By: Tom1 on Thu, 19 May 2022 10:30
		Re: FileSel takes quite a lot of CPU on Windows By: mirek on Thu, 19 May 2022 10:33
		Re: FileSel takes quite a lot of CPU on Windows By: Tom1 on Thu, 19 May 2022 11:08

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