submitted 2 months ago by soaska@lemmy.world to c/gentoo@reddthat.com

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I want to get more points in speedometer 3 using firefox. I've seen results above 20-24, but I can't get more than 12 because js takes a long time to process. What to do? Rebuild firefox with the -0fast flag?? Or do something with config. I use some fixes in it which just extend limits for everything (almost)

Any suggestions are welcome

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[-] waz@lemmy.world 1 points 2 months ago

I'm guessing you've already happened across this, but in case you haven't, here is an explanation of the the compilation flags thorium uses for it's chromium builds:

https://thorium.rocks/optimizations

It seems as good of a place to start as any.

I haven't spent a ton of time down this particular rabbit hole, but now I may have to.

[-] Lojcs@lemm.ee 1 points 2 months ago

How are they using gcc and clang at the same time?

[-] waz@lemmy.world 2 points 2 months ago

Interesting question. I don't know. I haven't actually had a chance to dig in yet.

[-] Lojcs@lemm.ee 2 points 2 months ago

Let me know if you find out pls

[-] schmerg@mas.to 0 points 2 months ago

@waz @soaska There are other reasons to be cautious about using AVX - older CPUs that support it are forcibly downclocked when the instructions are used so you'd better make sure that your vectorised loops are delivering enough benefits for the 10-20% penalty for all the rest of the code

https://stackoverflow.com/questions/35663635/why-do-processors-with-only-avx-out-perform-avx2-processors-for-many-simd-algori/44353690#44353690

https://stackoverflow.com/questions/56852812/simd-instructions-lowering-cpu-frequency

[-] waz@lemmy.world 1 points 2 months ago

Ohh, cool. Thanks for the warning. This just got complicated enough that I am definitely going to have do go down this rabbit hole.

[-] aBundleOfFerrets@sh.itjust.works 1 points 2 months ago

I realize what sub this is but really your best bet is probably to use a fork with optimized binaries (mercury comes to mind) it’s the best way to get fast firefox on arch too lol. the main repo package is fairly poor (on arch)

[-] anhydrous@lemmy.world 1 points 2 months ago

Immolo has a video on this subject https://yewtu.be/watch?v=umiVJdnZxMw

this post was submitted on 29 Aug 2024

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