Fallout 4

Fallout 4

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BlackSkillX Sep 11, 2016 @ 2:23pm
How to enable multi threaded rendering?
Hi Folks!
Fallout 4 is using only 1 core out of 6 from my cpu for some reason. The one core is often at 100% load so my CPU is bottlenecking my GPU quite heavily. I already tried to type "tMtr ppld" in the console but it can't change it to ON. It is locked to OFF :/

Any ideas how to fix this, or how to enable multi threaded rendering?
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Showing 1-9 of 9 comments
Incunabulum Sep 11, 2016 @ 2:31pm 
You enable it line by line in the config files. You'll have to look up the actual .ini lines.

You can also get the configurator from Nexus.
BlackSkillX Sep 11, 2016 @ 4:05pm 
I installed the Configurator and set the option "iNumHWThreads" to 6 (cause i have 6 physical cores) but nothing changed. Only one core is still in use :/

EDIT: bMultiThreadedRendering set to 1 in the Configurator didn't helped too
Last edited by BlackSkillX; Sep 11, 2016 @ 4:07pm
Bomb Bloke Sep 11, 2016 @ 4:34pm 
Originally posted by Incunabulum:
You enable it line by line in the config files. You'll have to look up the actual .ini lines.

My understanding was that the config files were ignored on this matter; is that no longer the case?

https://www.reddit.com/r/pcgaming/comments/3t1hpy/fallout_4_pc_multithreaded_toggle_commands/
BlackSkillX Sep 11, 2016 @ 4:48pm 
My console commands for multi threaded rendering were ignored too. I can try to toogle it as often as i want to. It stays at OFF
korben.7721 Aug 2, 2019 @ 7:06am 
Forcing the game to use more hearts is at best a performance placebo and can cause crashes and other problems in the worst case.
It is not recommended to use the "bMultiThreadedRendering = 1" command in the ".INI" files.
So I specified to Windows that fallout should only run with 2 hearts: https://www.mediaforma.com/windows-10-choisir-nombre-de-coeurs-affectes-a-tache/
Since then I have no more problems.
hawkeye Aug 2, 2019 @ 7:34am 
Check the cpu affinity settings.

https://www.thewindowsclub.com/processor-affinity-windows

Also the power plan as some people have said that setting it to max has reduced the number of cores that are enabled. There are links on the bottom of the article above.

btw, if you have an nvidia card make sure it is set to high performance in the nvidia control panel.
Last edited by hawkeye; Aug 2, 2019 @ 8:07am
K i r k H 4 2 0 May 14, 2024 @ 10:52pm 
How does one force Windows to use more "Hearts"?
talemore May 14, 2024 @ 11:44pm 
Originally posted by K i r k H 4 2 0:
How does one force Windows to use more "Hearts"?

By running multiple operative systems on the same computer. Which is not much use for a customer and many expert said that the multihreading is a breach of security as it allow mirror operative systems running in the background. The idea of multicore is most of the time a selling point than function. In theory 2 cores would allow to make the game run on one operative system allowing the other operative system running without interuption. Many of us don't use this as we don't run multiple computers on one motherboard.

The hearts is the symbol that each core is the heart of the computer. Having multiple hearts doesn't mean that the computer wouldn't be able to run with just one heart. In fact when the work task become too heavy it will only run on one heart that the way to make a program run on multiple hearts would be to buy a cpu who is strong enough to not only pump its own heart but as well pump the the other hearts.

All multicore rely on a strong single core to make the multicore to work. When the task is too heavy it will not use the other cores as they simply not strong enough for the task. Videogames who demand instant loading, that is loading screens are just video and nothing is loaded in the background.

If people don't find any advantages what is the purpose then? In practice when people want things to be instant they as well create power spikes. You not going to run a server with the computer and your computer is not strong enough to have the advantages of multiple cores. The more power, the more impact would a power spike have. The idea was from the beginning that if I have multiple cores you could reduce the energy consume and power spikes. But for most computers used the multicore drain more power than what is given. It has more impact on cellphones and smaller devices as less power is used and the design is to preserve energy. Many uses too big power supply compare with the advantages they meant to have by running the computer on lower energy and making the cores work for its energy. Instead they have the capacity to power spike the core that the time it takes to load is reduced by making it run on a single core.
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Date Posted: Sep 11, 2016 @ 2:23pm
Posts: 9