Diablo® III

Running from USB drive

I've heard a few people suggest that this might help - can anyone confirm this?
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Posts: 21
I will tonight! Hoping for the best
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It helps. Less FPS lag, for me at least.
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05/29/2012 10:21 AMPosted by Vanille
It helps. Less FPS lag, for me at least.

Did you literally just drag the Diablo 3 folder onto the USB drive?
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05/29/2012 10:21 AMPosted by Vanille
It helps. Less FPS lag, for me at least.


What is "Less FPS lag"? +5 FPS? +10 or more FPS?
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05/29/2012 10:24 AMPosted by SDBradford
Did you literally just drag the Diablo 3 folder onto the USB drive?


I guess that would work, but when you install the game I think you can choose where you want it to install to from a menu. The flashdrive would be an alternative to the hardrive.
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Posts: 21
Yes you can just drag the whole folder the the flash drive. It has to be at least 16 gigs and USB 2.0. The reason this works is because D3 is constantly loading information during gameplay from the drive. Using a flash drive frees up your own hard drive to focus on the video card performance and the info that is processed from being online.
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What are your FPS numbers from before and after?

And can you play fullscreen with native resolution (other settings on low/off)?
Edited by Saturdayson#1575 on 5/29/2012 10:55 AM PDT
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05/29/2012 10:53 AMPosted by Saturdayson
What are your FPS numbers from before and after?
I'm also interested in knowing this.
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Thanks for the feedback about this. I'll send this up to the team for review as well.
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MVP - Technical Support
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Also post what your hardware specs are as well Shocker :P
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Posts: 21
I'm gonna get my flash drive in like 4 hours. I'll update then. 2009 macbook 9400m. Currently get 25-35 FPS on low settings windowed mode in the good areas. The bad areas are around 10 FPS. I have my fingers crossed that this works.
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Posts: 21
The PC guys just figured this out 4 days ago. It seems that alot of laptops are having this problem. I guess this is why Blizzard bundled a USB with the limited edition. At least it only costs 20 bucks instead of having to buy windows and bootcamp.
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Didn't see any noticeable difference. Is it definitely going to be running form my USB if I choose the launcher from there? (i didn't remove the D3 folder from applications)
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The read/write speed of your USB drive is going to impact performance as well. Using a $20 cheapo PNY stick won't work wonders.
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anyone else confirm this?
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MVP - Technical Support
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Posts: 18,684
05/29/2012 11:23 AMPosted by Trend
anyone else confirm this?


That would depend on someone being fully patched.

See despite the American Servers being down you should be able to log into European or Asian servers as they aren't down afaik.

You can access their servers by setting your game region in Options -> Account at the Login screen.

Those who are going to test this please post all hardware/software details that you can as well as frame rates you are getting.

EG Processor , graphics card , O/S version , Brand of Thumb Drive you're using etc etc. And a before and after comparison.
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I only tested for about 5 minutes but here it goes:

Specs: Macbook 7,1 (2.4 ghz C2D, Nvidia 320M, 4GB RAM)

USB drive: Sandisk Cruzer Blade 16GB (10mb/s - I THINK)

Didn't notice too much of a difference, maybe if I had to be really picky - my FPS was slightly better in outside area (45 - 50 in the Fields of Misery). But inside (Catherdral) it seemed to be a little bit worse.
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I'm not going to try the USB 2.0 drive thing (400 Mb/s) and here's why:

I am running on a 2.3 GHz MBP 17" with the ATI 6750M, 16 GB RAM and Crucial M4 SSDs running at 6 Gb/s. I get 29-31 FPS @ 1920x1200 consistently in most areas running with shadows turned off and everything else maxed. Turning shadows on results in a 4-6 FPS reduction.

I can understand that the access latency reduction of a thumbdrive might help some people on really old computers but I can't see it providing anything more than a slight mitigation of the real FPS issue.

Not complaining mind you because I can play just fine but figured that Blizzard should know that the FPS stinks on a true top-of-the-line MBP setup with max RAM and some of the fastest "hard disks" possible in this form factor.

Blizzard can feel free to get in touch via my private email with any questions.

System Version: Mac OS X 10.7.4 (11E53)
Kernel Version: Darwin 11.4.0
Boot Mode: Normal
Secure Virtual Memory: Enabled
64-bit Kernel and Extensions: Yes

Model Name: MacBook Pro
Model Identifier: MacBookPro8,3
Processor Name: Intel Core i7
Processor Speed: 2.3 GHz
Number of Processors: 1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 8 MB
Memory: 16 GB
Boot ROM Version: MBP81.0047.B27
SMC Version (system): 1.70f5

Chipset Model: AMD Radeon HD 6750M
Type: GPU
Bus: PCIe
PCIe Lane Width: x8
VRAM (Total): 1024 MB
Vendor: ATI (0x1002)
Device ID: 0x6741
Revision ID: 0x0000
ROM Revision: 113-C0170L-573
gMux Version: 1.9.24
EFI Driver Version: 01.00.573

Vendor: Intel
Product: 6 Series Chipset
Link Speed: 6 Gigabit
Negotiated Link Speed: 6 Gigabit
Description: AHCI Version 1.30 Supported

Capacity: 512.11 GB (512,110,190,592 bytes)
Model: M4-CT512M4SSD2
Revision: 9
Native Command Queuing: Yes
Queue Depth: 32
Medium Type: Solid State
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anyone else try this? performance increase or same crap?
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