when app loses focus, cpu usage goes down 70%. Any workaround?


link626

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11
when i'm encoding a video via command line, and I minimize the window, cpu usage drops from 100% to 25%

I have to keep the command window visible on current desktop to keep cpu pinned to 100%. If I move the cmd window to another virtual desktop that is not in focus, cpu usage also drops big time.

any way to keep cpu workload even when window is minimized?
 

My Computer

System One

  • OS
    11
See if this makes a difference
In Windows-settings-gaming-game mode (try turning it off)

If you per-chance use Avast, disable Avast game mode.
 

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System One System Two

  • OS
    Windows 11 Pro 24H2 26100.2314
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    PC/Desktop
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    Dell Optiplex 7080
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    i9-10900 10 core 20 threads
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    DELL 0J37VM
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    32 gb
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    none-Intel UHD Graphics 630
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    Integrated Realtek
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    Benq 27
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    2560x1440
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    1tb Solidigm m.2 nvme+256gb SKHynix m.2 nvme /External drives 512gb Samsung m.2 sata+1tb Kingston m2.nvme+ 4gb Solidigm nvme
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    Logitech wired
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    so slow I'm too embarrassed to tell
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    Windows 10 Pro 22H2 19045.3930
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    Dell Optiplex 9020
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    i7-4770
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    24 gb
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    2560x1440
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unfortunately didn't work with game mode off.

when i minimize Handbrake window, the cpu usage drops, until I make the window visible again.

interestingly, the e-cores shift to 100% load.

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My Computer

System One

  • OS
    11
when i'm encoding a video via command line, and I minimize the window, cpu usage drops from 100% to 25%

I have to keep the command window visible on current desktop to keep cpu pinned to 100%. If I move the cmd window to another virtual desktop that is not in focus, cpu usage also drops big time.

any way to keep cpu workload even when window is minimized?
You could perhaps encode video in a virtual machine using Hyper-V, and, there, the window can always remain in focus. Of course there will be a trade off with vm/host cpu sharing, but you should get better than 25%. It would depend a lot on how much RAM to an extent, and speed of CPU.
 

My Computer

System One

  • OS
    Windows 11 Pro + Win11 Canary VM.
    Computer type
    Laptop
    Manufacturer/Model
    ASUS Zenbook 14
    CPU
    I9 13th gen i9-13900H 2.60 GHZ
    Motherboard
    Yep, Laptop has one.
    Memory
    16 GB soldered
    Graphics Card(s)
    Integrated Intel Iris XE
    Sound Card
    Realtek built in
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    laptop OLED screen
    Screen Resolution
    2880x1800 touchscreen
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    1 TB NVME SSD (only weakness is only one slot)
    PSU
    Internal + 65W thunderbolt USB4 charger
    Case
    Yep, got one
    Cooling
    Stella Artois (UK pint cans - 568 ml) - extra cost.
    Keyboard
    Built in UK keybd
    Mouse
    Bluetooth , wireless dongled, wired
    Internet Speed
    900 mbs (ethernet), wifi 6 typical 350-450 mb/s both up and down
    Browser
    Edge
    Antivirus
    Defender
    Other Info
    TPM 2.0, 2xUSB4 thunderbolt, 1xUsb3 (usb a), 1xUsb-c, hdmi out, 3.5 mm audio out/in combo, ASUS backlit trackpad (inc. switchable number pad)

    Macrium Reflect Home V8
    Office 365 Family (6 users each 1TB onedrive space)
    Hyper-V (a vm runs almost as fast as my older laptop)
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