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why does firefox work faster for steaming youtube videos after safe mode disabled?

  • 3 svar
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  • Seneste svar af Kevin

Kevin
Kevin
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I found out that Firefox works better to do video streaming on youtube for safe mode enabled?

I am using a thinkpad W520 with Intel HD Graphics 3000 as GPU for web rendering.

recently I found out there are frame drops when watching youtube streaming contents, it lags when at 480P resolution. I tried IE 11 and it is fine. So I tried out the safe mode, which described as disabling all add-ons. And boom, no frame drop for video streams, so I thought how about disabling all add-ons and reopen firefox? But it did not work. So, I tried to refresh firefox, and it did not work as well.

Right now my "solution" is to enable safe mode by adding -safe mode script to firefox's shortcut. And here is the interesting part of the safe mode, it does not only disable add-ons that you downloaded, it actually disabled the modules that my GPU use, so I think it might be a compatibly issue with firefox's render and my GPU's driver. I have the latest driver installed for Intel HD 3000.

Here is the about:support for CPU part after I opened safe mode

I found out that Firefox works better to do video streaming on youtube for safe mode enabled? I am using a thinkpad W520 with Intel HD Graphics 3000 as GPU for web rendering. recently I found out there are frame drops when watching youtube streaming contents, it lags when at 480P resolution. I tried IE 11 and it is fine. So I tried out the safe mode, which described as disabling all add-ons. And boom, no frame drop for video streams, so I thought how about disabling all add-ons and reopen firefox? But it did not work. So, I tried to refresh firefox, and it did not work as well. Right now my "solution" is to enable safe mode by adding -safe mode script to firefox's shortcut. And here is the interesting part of the safe mode, it does not only disable add-ons that you downloaded, it actually disabled the modules that my GPU use, so I think it might be a compatibly issue with firefox's render and my GPU's driver. I have the latest driver installed for Intel HD 3000. Here is the about:support for CPU part after I opened safe mode

Alle svar (3)

Kevin
Kevin Spørgsmålsstiller
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Here are the details

Kevin
Kevin Spørgsmålsstiller
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Ok, I think I knew the reason, I think it is problem with hardware acceleration with firefox, in fact , When I use IE to play 1080P 60fps videos I got 9% CPU usage, but if I switch to fire fox to play the same video with safe mode enabled, I will have 20+% CPU usage with firefox, but without any frame drops, so it definitely is a compatibility issue with my system.

here are some photos for details:

Kevin
Kevin Spørgsmålsstiller
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And here are the comparisons with IE and Firefox streaming YouTube video:

You could clearly see the frame drop from Firefox(safe mode disabled) compare to no frame drop from IE.