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CPU performance and HDT


Sunja44

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Posted

Just want to share an experience I made as I upgraded my CPU a few days ago. As far as understand HDT, it is pretty CPU heavy and the outcome may depend only on your CPU performance and on other script heavy mods you might have installed.

 

Formerly I used this system:

 

Win 7

Asus P8P67 Deluxe

Intel i7 2600 K (oc 4k, but usually in default frequency because I got heat problems)

 

Now I use:

 

Win 8.1

Asus Z97 Deluxe

Intel i7 4790K (stable UEFI Turbo mode -> 4,4k)

 

I installed a custom CPU fan (Thermalright Macho) and I am able to run my system at 4,4k CPU freqency all the time now.  

 

I was using this bounce kit all the time (breast, butt and belly bounce): http://www.loverslab.com/topic/29881-hdtphysicsextensionsdefaultbbpxml/

 

I experience now HDT jiggles I have never seen before, jiggles are smoother overall and especially bouncing during sexlab animations look much better and especially some sexlab animations where I experienced only the typcial TBBP effects formerly I am now able to watch HDT bouncing. 

 

I have a good ton of script mods installed, but me seems as if CPU power makes a big difference. I just changed the above system specifications, nothing else concerning my Skyrim installation. As we all know CPU frequency is still king when it comes to games which support not more than two or four cores. Six and more cores only help for applications like 7zip or loading photoshop data etc.

Posted

Gratz on new system.

 

For an optimal HDT experience, make sure you set the thread count to 4 if you have 4 or more cores. (That's the max number Havok can use in the version packed with Skyrim)

 

And yes, Havok physics (what HDT uses) is entirely CPU dependant :)

Posted

tehee is there really need for a 1TB of SSD 

don't wana be a mister perfecto here, but of you swap them Titans for a Titan Black's you should see an improvement 

but dont listen to me im an AMD User 

Posted

I don't think HDT is all that CPU intensive. My system has an AMD 3400 APU (quite low end), and it works just fine. In fact, I don't think Skyrim's true bottleneck is the CPU at all, it's the video chip set.

Posted

I don't think HDT is all that CPU intensive. My system has an AMD 3400 APU (quite low end), and it works just fine. In fact, I don't think Skyrim's true bottleneck is the CPU at all, it's the video chip set.

Because you run with your APU into a GPU limit. Therefore the CPU has power to spare, because the GPU is too slow to tax the CPU.

 

People with GPU pwoer enough to do ENB and shit get their CPU so taxed with driver overhead, scripts and HDT to cause fps slow downs => therefore a better cpu makes a difference.

Posted

Just want to share an experience I made as I upgraded my CPU a few days ago. As far as understand HDT, it is pretty CPU heavy and the outcome may depend only on your CPU performance and on other script heavy mods you might have installed.

 

Formerly I used this system:

 

Win 7

Asus P8P67 Deluxe

Intel i7 2600 K (oc 4k, but usually in default frequency because I got heat problems)

 

Now I use:

 

Win 8.1

Asus Z97 Deluxe

Intel i7 4790K (stable UEFI Turbo mode -> 4,4k)

 

I installed a custom CPU fan (Thermalright Macho) and I am able to run my system at 4,4k CPU freqency all the time now.  

 

I was using this bounce kit all the time (breast, butt and belly bounce): http://www.loverslab.com/topic/29881-hdtphysicsextensionsdefaultbbpxml/

 

I experience now HDT jiggles I have never seen before, jiggles are smoother overall and especially bouncing during sexlab animations look much better and especially some sexlab animations where I experienced only the typcial TBBP effects formerly I am now able to watch HDT bouncing. 

 

I have a good ton of script mods installed, but me seems as if CPU power makes a big difference. I just changed the above system specifications, nothing else concerning my Skyrim installation. As we all know CPU frequency is still king when it comes to games which support not more than two or four cores. Six and more cores only help for applications like 7zip or loading photoshop data etc.

 

Yes on 4 cores now and its also better cooled CPU but OC is not that good to get a stable OC to 4.9 ghz is very difficult.

 

But if your in need of a good CPU that is better heat controlled and standard 4ghz on all cores then this CPU is must.

 

Z97 also is a MB that support in future 5th generation  CPU'S plus it also support's M.2  10gb bandwith for SSD up to avarage of 800 mb 700mb read/write.

 

Posted

Gratz on new system.

 

For an optimal HDT experience, make sure you set the thread count to 4 if you have 4 or more cores. (That's the max number Havok can use in the version packed with Skyrim)

 

And yes, Havok physics (what HDT uses) is entirely CPU dependant :)

how do i set thread count to 4? you mean in the inis? how exactly please? thanks

 

 

Posted

 

Gratz on new system.

 

For an optimal HDT experience, make sure you set the thread count to 4 if you have 4 or more cores. (That's the max number Havok can use in the version packed with Skyrim)

 

And yes, Havok physics (what HDT uses) is entirely CPU dependant :)

how do i set thread count to 4? you mean in the inis? how exactly please? thanks

http://itcprosolutions.com/skyrimguides/tweak_guide.htm#multicpu

 

[HAVOK]

iNumThreads=XX

 

For "iNumThreads" set this to the number of CPU cores your PC has. If you have 4 or more leave this as 5 (maximum).

  • 3 weeks later...
Posted

Just want to share an experience I made as I upgraded my CPU a few days ago. As far as understand HDT, it is pretty CPU heavy and the outcome may depend only on your CPU performance and on other script heavy mods you might have installed.

 

Formerly I used this system:

 

Win 7

Asus P8P67 Deluxe

Intel i7 2600 K (oc 4k, but usually in default frequency because I got heat problems)

 

Now I use:

 

Win 8.1

Asus Z97 Deluxe

Intel i7 4790K (stable UEFI Turbo mode -> 4,4k)

 

I installed a custom CPU fan (Thermalright Macho) and I am able to run my system at 4,4k CPU freqency all the time now.  

 

I was using this bounce kit all the time (breast, butt and belly bounce): http://www.loverslab.com/topic/29881-hdtphysicsextensionsdefaultbbpxml/

 

I experience now HDT jiggles I have never seen before, jiggles are smoother overall and especially bouncing during sexlab animations look much better and especially some sexlab animations where I experienced only the typcial TBBP effects formerly I am now able to watch HDT bouncing. 

 

I have a good ton of script mods installed, but me seems as if CPU power makes a big difference. I just changed the above system specifications, nothing else concerning my Skyrim installation. As we all know CPU frequency is still king when it comes to games which support not more than two or four cores. Six and more cores only help for applications like 7zip or loading photoshop data etc.

 

I just tried out a test on my system with default XML file with no belly  i get 120fps if i put in a XML file with belly support in the same house i get 30fps

 

I get lower CPU load and lower GPU load with a XML file with belly support

 

So there must be some problems with the belly support or maybe with collision

 

 

 

 

 

Posted

Hi everybody and sorry 4 hijacking (a bit),

 

right now i`m thinking about an upgrade to my system and i wonder if you guys could give me some advice.

 

Current Spec.:

 

AMD Phenom II X4 965 BE (Stock Clock)

GIGABYTE 870A-UD3 SocketAM3 DDR3

GTX 470

8 Gigabyte Ram

PSU Corsair Gold AX750

80 GB SSD

 

Windows 7 (64 bit)

 

There are only 3 Game i`m interested in: WoW, Civ 4, and (of course) Skyrim. The most important Mods for the next playthrough are goning to be HDT, Requiem (+ most patches), some 2k/4k Textures, Uni-body, ENB, SFO (and other environment enhance stuff).

 

So, i consider to change the GPU mainly to run this ENB: http://www.nexusmods.com/skyrim/mods/50065/? , but i'm not sure if a new GPU (possibly choices so far: Gtx 770 2gb or 4 gb; or a Gtx 780) would do much to improve the performance, especially with this little rusty CPU.

 

Even with the current Rig i was able to play stable with some Performance ENB, HDT, and so on (maybe 100+ mods), but this topic made me wonder: how could (HDT for example) look like with a better CPU.

 

Any thoughts about possible/useful hardware upgrades, bottlenecks and silly choices would be most welcome.

 

TIA,

Sinnerman

 

Posted

Opinions are varied, but adding this:

 

[HAVOK]
iNumThreads=XX

 

and changing XX to 4 or 5 may not be a good idea.

 

I've been running this in Skyrim.ini:

 

[General]
sLanguage=ENGLISH
uExterior Cell Buffer=36
iNumHWThreads=8
iHWThread6=6
iHWThread5=6
iHWThread4=6
iHWThread3=4
iHWThread2=4
iHWThread1=4
iAIThread2HWThread=5
iAIThread1HWThread=3
iRenderingThread2HWThread=1
iRenderingThread1HWThread=0

 

for the past week, without CTDs on an i7 processor.  It came from an author on the Nexus site, one of the tweaks listed there:

 

http://www.nexusmods.com/skyrim/mods/50244/?

 

Also, looking at hdtPhysicsExtensions.log, I'm seeing this:

 

hdtPhysicsExtensions
[07/20/14 18:54:30]INFO: Queue OK
[07/20/14 18:54:30]INFO: System run with 8 threads
[07/20/14 18:54:30]INFO: Havok simulated world created.
[07/20/14 18:54:30]INFO: SKSEPlugin_Load

 

That's the v14.28 edition.

 

Anyhow, I try to stay out of the .ini files as much as possible and use the default settings, changing only what a mod author says is required.

 

I also deleted HDT's memory patch .dll, since it would bomb according to the log file, which I believe is due to my using ENB Boost and the built-in SSME in SKSE 1.7.

 

This is on a ~ 700 hour game that I try new things on ('cause I don't care about it) that the save file is 19,631 KB and if I enable logging, Papyrus looks like it's trying to write "War and Peace" :o

 

 

 

 

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