Alright, I'm having a few difficulties with Optimus. I run 512x texture packs a lot, and sometimes a 1024x pack. Because of this, I'm using a batch file to open my Minecraft.exe. In the Nvidia control panel, I have Minecraft.exe selected to use my 670m. IT normally works, but when using the batch file, it doesn't detect it, and uses my Intel graphics. I've googled a good bit, but couldn't find anything about both Optimus and batch files. Any help is appreciated.
System specs:
MSI GT60 0NC-004US
WIndows 7 Pro 64bit
i7 3610qm Quad Core
Intel 4000 Graphics
Nvidia GTX 670m with 3GB GDDR5
20GB 1600mhz DDR3 Ram
Minecraft 1.4.5 with Optifine HD Ultra D3
Java 7 update 9
Hmm, that should be working, but if it's not the only other thing I could think of would be to use MultiMC.
It allows you to change the memory allocation (I'm guessing that's why you use the batch files) and then you could try setting multimc.exe to use the 670.
I have found the problem. When selecting java.exe for my 670, I was going to C:\Program FIles\Java...\java.exe. When looking at java.exe on my Task Manager when running Minecraft from a batch file, it's actually using C:\WIndows\System32\java.exe. I'm not sure why this is, but running the batch file now uses the 670.
For anyone else using a batch file and Optimus, run the batch, open the task manager, right click Minecraft.exe, click go to process, right click the java.exe, click properties and you should be able to see where java.exe is.
Thanks rpelKey. I've been trying to figure that out for a while. Every time I use my batch file to run Minecraft with more memory, I've lost anti-aliasing and other nice features from my nVidia card.
Now I've got more memory and nVidia support, but I wonder what I've lost by using a 32-bit java (if in fact that's what it's using, as it seems to be).
Thanks rpelKey. I've been trying to figure that out for a while. Every time I use my batch file to run Minecraft with more memory, I've lost anti-aliasing and other nice features from my nVidia card.
Now I've got more memory and nVidia support, but I wonder what I've lost by using a 32-bit java (if in fact that's what it's using, as it seems to be).
If you have 64bit Java installed, it will default to that. If not, I suggest installing it.
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System specs:
MSI GT60 0NC-004US
WIndows 7 Pro 64bit
i7 3610qm Quad Core
Intel 4000 Graphics
Nvidia GTX 670m with 3GB GDDR5
20GB 1600mhz DDR3 Ram
Minecraft 1.4.5 with Optifine HD Ultra D3
Java 7 update 9
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Retired StaffIt allows you to change the memory allocation (I'm guessing that's why you use the batch files) and then you could try setting multimc.exe to use the 670.
For anyone else using a batch file and Optimus, run the batch, open the task manager, right click Minecraft.exe, click go to process, right click the java.exe, click properties and you should be able to see where java.exe is.
Now I've got more memory and nVidia support, but I wonder what I've lost by using a 32-bit java (if in fact that's what it's using, as it seems to be).
If you have 64bit Java installed, it will default to that. If not, I suggest installing it.