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When Firefox is on, Desktop Window Manager consumes a lot of RAM

  • 4 ответа
  • 2 имеют эту проблему
  • 80 просмотров
  • Последний ответ от unavailable

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I have multiple monitors and most often have Firefox windows open on each. Lately, I've been noticing that the Desktop Window Manager process is consuming a huge amount of RAM. At the same time, consumption completely disappears with the closing of Firefox windows. Video: https://i.imgur.com/pHCa7Hh.mp4 (I left it for a while then closed Firefox windows) After a while, I noticed that already 13 GB of memory is being used by DWM. I don't know if sites affect behavior, but most often I have https://music.yandex.ru/home open

OS: Windows 11 (Microsoft Windows [Version 10.0.22621.1928]). Firefox: 115.0.1 (64-bit) Screen setup: 1 - 3840 x 2560 with 200% scale, 2 - 1920 x 1080 with 100% scale.

I have multiple monitors and most often have Firefox windows open on each. Lately, I've been noticing that the Desktop Window Manager process is consuming a huge amount of RAM. At the same time, consumption completely disappears with the closing of Firefox windows. Video: https://i.imgur.com/pHCa7Hh.mp4 (I left it for a while then closed Firefox windows) After a while, I noticed that already 13 GB of memory is being used by DWM. I don't know if sites affect behavior, but most often I have https://music.yandex.ru/home open OS: Windows 11 (Microsoft Windows [Version 10.0.22621.1928]). Firefox: 115.0.1 (64-bit) Screen setup: 1 - 3840 x 2560 with 200% scale, 2 - 1920 x 1080 with 100% scale.
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Выбранное решение

It does not! And I disabled "Use hardware acceleration when available", now there is no memory consumption.

Seems like hardware acceleration is a culprit

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Все ответы (4)

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I don't think it's OK

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Bump, still not fixed.

Appears only when I move the Firefox window to the built-in display (1920x1080 with 100% scale)

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Does it also happen in Troubleshoot Mode?

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Выбранное решение

It does not! And I disabled "Use hardware acceleration when available", now there is no memory consumption.

Seems like hardware acceleration is a culprit