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Want to play Batman: Arkham City with PhysX enabled? Get ready for some abysmal framerates

DSOGaming writes: "By now you must have already heard that the DX11 mode of Batman: Arkham City is bugged. However, things are not looking good even for those that want to enjoy Rocksteady’s latest offering with Nvidia’s PhysX effects. Guru3D’s user ‘MfA’ shared some interesting graphs that showcase an enormous performance hit when PhysX effects are enabled. This is something we’ve discussed in the past as Batman: Arkham City doesn’t take advantage of the PhysX SDK 3.0 and MfA’s graphs show exactly what is wrong with all previous PhysX SDK versions."

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thedarkvault2978d ago

waiting for a DX11 patch then I'll get into this, first 2 hours or so were good, but I'm gonna need a little extra oomph to pull me away from skyrim atm.

limewax2978d ago

Actually I noticed that not only is it a case of using the older config, Many games have for a long time, people have always dealt with it that PhysX took a lot to run, But the real issue is this time PhysX seems to actually hinder the GPU.

I ran the benchmark multiple times, and every time I get to the PhysX heavy ice crystals part, my FPS dropped to around 35 FPS minimum. A heavy drop on a 3Gb GTX 580. But more importantly when it hits the PhysX heavy area, My GPU usage drops from an average 70 and hover in the high 40s. Single GPU setup as well so it is not an SLI problem. I am pretty certain the PhsyX is actually reducing GPU usage itself, which is never above 74% max

Mrmagnumman3572978d ago

Yeah, thats pretty insane that a GTX 580 can't get 60 fps on it. Is nvidia gonna fix it ? Its funny to think that my GTX 570 will run batman only at a horrible 40 fps! Nvidia needs to fix this

john22977d ago (Edited 2977d ago )

It's natural what you're witnessing and it's basically due to CPU limitation. That's why your GPU is dropping for no apparent reason (even though you're running the PhysX via your GPU hardware). This is precisely why developers should use PhysX 3.0 SDK as it offers better/proper multi-threading capabilities.

limewax2977d ago

Well its running through an I7 Sandybridge OC @ 4.4Ghz, But is what your saying basically even with a powerful processor behind it, The coding of the PhysX is chomping up the whole processor too?

If so that is pretty insane, and would explain why my processor temps are unusually high and GPU temps abnormally low

Are_The_MaDNess2977d ago (Edited 2977d ago )

@limewax

check your Nvidia settings.
maybe its on auto and it did choose the CPU for physx instead of your GPU

Voxelman2977d ago (Edited 2977d ago )

Have you tried the latest Nvidia beta drivers? The change log includes a PhysX update for Batman.

Kurylo3d2977d ago

Um ... bullcrap. I have a gtx 260 and i run batman arkhum city on max settings with physx enabled. Physx isnt on max , but its enabled and a graphics card as old as mine does a PHENOMINAL JOB.

Maybe people are complaining cause they have dx11 active teselation runing on their 500 series cards... and the phsyx at the same time. I would say the tessellation is the real frame rate killer.

+ Show (1) more replyLast reply 2977d ago
Are_The_MaDNess2977d ago (Edited 2977d ago )

had some problems myself, was at a low 30-40FPS with my dual Gainward 580 Phantom setup, tried to set one of them as a dedicated physx card (got a locked 60 after that).
Im getting a new 560ti for my Physx ONLY next week.

Oh and i hope they fix the DX11 issues.

BTW: do you guys know why im locked @60 (not THAT big of a deal) even tho I am at a 120Hz monitor?

john22977d ago (Edited 2977d ago )

Most Unreal Engine 3 games are locked at 62fps. I think you can unlock it via the game's .ini config file

Boody-Bandit2977d ago (Edited 2977d ago )

I'm not noticing any problems with PhysX enabled.
I'm using GTX 590 Classifieds SLI.

Giru0172977d ago

I C WAT U DID THERE xD

mrkeith2977d ago

hmm not sure how they are getting those framerates. I got SLI GTX 460 FTW 768meg(that might be somewhat of the problem.) anyways with Vsync on I get 60 FPS but when penguin is shooting his gun it dips to 28 FPS. I average 54 in 720p resolution.

Are_The_MaDNess2977d ago

try setting one of the cards as physx processor only. maybe that will help.......if not, change it back

mrkeith2977d ago

yeah i tried that. I need to set it on 1080p and then look at my FPS. Even setting a main graphics card to Physix doesnt help much. Go figure. I got a i7 950, 6 gigs and SLI. Somehow those benchmarks are off.

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