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@Eblan 32MB/s is a good transfer rate for a flash drive. However, it is the read response time (the delay before the transfer starts) that matters . Since the game is constantly fetching small amounts of data at a time, the response time becomes just as important as the transfer rate. You can find your response time in "Resource Monitor" in windows, or just type "res" in start menu. Just put the game in windowed mode and observe "Resource Monitor" > "Disk" > "Response Time" while you are moving your character around the screen and through different areas which normally stutters.
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I was extremely hesitant on dumping money into fixing this game when I don't have guarantee that the fix will work, and since I'm not the one getting paid to make and fix this video game it's not really my problem to devote much time and effort to (although I really want to play D3 with no stuttering, so I've been obsessing over fixes for the past week).
I was able to justify going out and purchasing a new 16 gb flash drive with a decent read speed (patriot xporter xt), to try out this fix, because if it doesn't work, I still get a nice flash drive. I used the resource monitor to view the read times of the MPQ file before I did anything, the read times weren't that bad (ranging from 10 ms to 60 ms with the rare hiccup of 600ms). Did everything the OP said and made the mklink over to my new flash drive and tried it out. The stuttering doesn't disappear but it's much less obnoxious now. I checked the resource monitor and the read times are mostly under 10 ms with the rare hiccup of 260 ms. So basically I can confirm that this does indeed work with USB drives, and, yes it does seem to help. Really wish fixes would do more than just help (like fix!). Also wish we heard a response from Blizz about this. Hell, if Blizz said that they are working on it and it should be fixed soon, I'd be completely chill doing other things while I wait for the patch. My HDD is 7200 RPM so it's not slow either. |
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it s just like a pill
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I set up a 10gb partition on my c300 ssd and dumped the Diablo 3 folder in it (7.7gb) It DOES seem to run a little better, but still getting stutter for e.g. running around "Bastion's Keep Stronghold"
Edited by Darmok#2467 on 5/22/2012 2:25 PM PDT
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I am confused at step 4, i installed the right files to the flash drive, and i copied and pasted "> cd "C:\Program Files (x86)\Diablo III\Data_D3\PC"
> mklink /j "C:\Program Files (x86)\Diablo III\Data_D3\PC\MPQs" "D:\MPQs"" that onto the command prompt. Is that what you do? |
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^ I'm assuming its so that some people would be able to use 8GB flash drives since that file is just 7.2ish. The entire game is even larger.
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I am confused at step 4, i installed the right files to the flash drive, and i copied and pasted "> cd "C:\Program Files (x86)\Diablo III\Data_D3\PC" run cd "C:\Program Files (x86)\Diablo III\Data_D3\PC" first then mklink /j "C:\Program Files (x86)\Diablo III\Data_D3\PC\MPQs" "D:\MPQs" |
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run cd "C:\Program Files (x86)\Diablo III\Data_D3\PC" first then So you paste the first thing, press enter. Then paste the second thing, press enter? |
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I read about this being a problem with the HDD being preoccupied with too much other stuff so that the content streaming wasn't happening at optimal speeds. I've uninstalled Diablo 3 and am now installing the full game to a 16gb flash drive and will post results when its done.
My problem was that I was getting 10-15 second intervals of 5FPS every 10 minutes or so. Nothing I did with my video card seemed to fix it. The game ran fine at 60FPS for the other 9 minutes 45 seconds, with no stutters or anything, but it would just randomly slow to a crawl. This had nothing to do with the amount of stuff on the screen. It could be solo, alone in town doing nothing, or it could be in a 4 player Hell game with effects everywhere. |
run cd "C:\Program Files (x86)\Diablo III\Data_D3\PC" first then for those who are having trouble with symbolic links use this, its fast and easy http://code.google.com/p/symlinker/ just be sure u rename your diablo folders mpq folder to something else first and then have the link folder be called MPQs EDIT: make sure you do this in the correct directories.
Edited by Novah#2665 on 5/22/2012 3:38 PM PDT
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I've set up a 10gb partition on my c300 ssd and dumped the Diablo 3 folder in it (7.7gb) It DOES seem to run a little better, but still getting stutter, but there is a way to reduce the stutter to almost 0%
Edited by Darmok#2467 on 5/22/2012 3:21 PM PDT
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I've set up a 10gb partition on my c300 ssd and dumped the Diablo 3 folder in it (7.7gb) It DOES seem to run a little better, but still getting stutter, but there is a way to reduce the stutter to almost 0% sounds like your game hasn't finished downloading |
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Alright so i did this and on step 4 in the command prompt im getting: "Local volumes are required to complete the operation". How do I make this work?
Edited by Ferrety93#1122 on 5/22/2012 5:17 PM PDT
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How can I tell what the response time would be for a specific flash drive or SD card in order to know what to buy? The only thing I ever see listed on them is the read/write speeds.
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Ok, nevermind, it definitely created the junction to my flash drive (because i can see the light on it flashing when i run the game) and literally has done nothing. Constant 15-20 fps and slow motion.
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Worked like a charm. Went from unplayable @ minimum graphics and no sound to butter smooth.
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Yeah, an 8gb USB drive isn't enough :( Short by 200mb.
It puzzles me though. How can a USB drive have faster read times than a SATA device? I would have thought it'd be a lot slower. |
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