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A comment on Firefox switching to clang-cl for Windows builds. Parent comment

Re:Firefox switching to clang-cl for Windows builds by Reason077 on Wednesday July 11, 2018 @05:13AM (#17505516)
Funny you mention this. While Firefox’s interactive performance on Mac feels absolutely fine, it’s energy consumption is dramatically worse compared to Safari.

Using Firefox over Safari can cost hours of battery life, so it’s very hard to recommend it. Is this just a Mac issue?

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Re:Firefox switching to clang-cl for Windows builds by lars_francke on Wednesday July 11, 2018 @06:07AM (#17505708)
I know of one issue with Firefox when you are using a scaled resolution. It absolutely destroys battery and performance for me. I _think_ it has gotten better with the latest versions but the tickets are still open.

https://bugzilla.mozilla.org/show_bug.cgi?format=default&id=...

https://bugzilla.mozilla.org/show_bug.cgi?id=1407536

https://news.ycombinator.com/item?id=17365510

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