High CPU usage when downloading a file
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burnout426 Volunteer last edited by burnout426
The issue you linked to has to do with the audio indicator animation in the tab causing high CPU usage when audio is playing. Downloading a file seems like a totally different issue.
When downloading a file at 2+ MB/sec (from yandex.net) Opera heavily eats CPU on my PC
Do you have a link to the file you're downloading? Or, is it an attachment in your email? I'm not seeing high cpu usage when downloading http://releases.ubuntu.com/19.10/ubuntu-19.10-desktop-amd64.iso for example in Opera 65.0.3467.48 64-bit on Windows 10.
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antonk last edited by
@burnout426 . thanks for trying to reproduce the issue.
Yes, it happens always on my PC with this file - https://yadi.sk/d/93TjorEtVX3eu (I've tried to re-download it).
When the Downloads window is opened the CPU usage increases a lot, whithout the window it is about 20% which is too high for an ordinary download. -
burnout426 Volunteer last edited by
@antonk said in High CPU usage when downloading a file:
Yes, it happens always on my PC with this file - https://yadi.sk/d/93TjorEtVX3eu (I've tried to re-download it).
Okay. I'll test with that later when I'm on a faster connection.
Opera: 64.0.3417.92 (32-bit)
I'll also test with 32-bit Opera and Opera v64 instead of just 65+ and 64-bit Opera. If it's in Opera v64 though, it might already be fixed for you in 65.
(Are you purposely using the 32-bit version of Opera?)
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asd123asd last edited by
Downloading ANY file from ANY location hogs 25% of my CPU.
opera version:66.0.3515.115
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leocg Moderator Volunteer last edited by
@asd123asd Latest stable version of Opera is 67, does the problem still happens with it?
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asd123asd last edited by
@leocg said in High CPU usage when downloading a file:
@asd123asd Latest stable version of Opera is 67, does the problem still happens with it?
I'll test and get back. 10x for writing.
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asd123asd last edited by
@leocg said in High CPU usage when downloading a file:
ersion of Opera is 67, does the problem s
Yep, it still happens on latest Opera. OK, I'm on a portable one but the official one from Opera's site. Here a screenshot:
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burnout426 Volunteer last edited by
I tested again with Opera 67.0.3575.97 64-bit. Still can't reproduce the issue. I'm on Windows 10 OS Version 1909 (Build 18363.657). CPU issue is around 4 or 5% when downloading http://releases.ubuntu.com/19.10/ubuntu-19.10-desktop-amd64.iso.
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asd123asd last edited by
Ya, on Win 10 it doesn't happen indeed. But on several W7 machines with latest Opera it happens consistently.
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donq last edited by
What is common for those W7 machines? Some third-party software (antivirus, security suite, VPN, network monitor etc), interfering with network traffic or disk writing?
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burnout426 Volunteer last edited by
@asd123asd said in High CPU usage when downloading a file:
Ya, on Win 10 it doesn't happen indeed. But on several W7 machines with latest Opera it happens consistently.
All using the same Opera portable from the same drive? Can you reproduce the problem with Opera on the main system drive?
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A Former User last edited by
You are using a remote resource which is effected by externalizes making benchmark numbers. Hence for testing, I changed to local resource.
