I need to decide which open-source integrated GPU to choose i.e. AMD GPU for FFT computation directly on GPU, see here docs. I cannot demand CUDA support from AMD GPU because its developing tools are just coming 2016 Q1, see press release here and also because Intel Chipsets of Business PCs (Etc Q75, Q85, …) … Read more
I have surfed around the web to enabling hyperZ by adding this parameter R600_DEBUG=hyperz, but where I must put it? Is it at /etc/default/grub ? My Card : Ati Mobility Radeon HD5650 Answer After asking on phoronix forums, just put R600_HYPERZ=1 in /home/$USER/.profile AttributionSource : Link , Question Author : Romy Prazhad , Answer Author … Read more
I have an AMD 5700XT gpu and I am trying to learn SYCL but I have a lot of doubts of the current state of AMD gpu driver stacks. According to what I read, there are several driver stacks for AMD gpus: mesa, amdgpu and amdgpu-pro. If I understand correctly, mesa has its own opencl … Read more
I’ve installed the amdgpu-pro-libgl drivers from AUR, hoping it would fix an issue. Pikaur didn’t seem to trigger any kind of recompilation, or DKMS or mkinitcpio, but from what I understand, the package includes some kernel components.. How can I check that AMDGPU-PRO drivers are indeed running? Answer I do not know if it is … Read more
I have bought new PC with AMD Ryzen 7 3800X and Radeon RX 5700 XT. Can only install from UEFI USB stick otherwise installation after first dialog (the one where you select Install or Graphical Install) is just broken mess. When installed, OpenGL uses CPU rendering instead of GPU and no drivers can do anything … Read more
I have a Radeon r9 390x graphics card running on my system running ubuntu 16.04. Searching the internet, I am unsure what is the situation with this graphics card. I do not know: * Which driver I should install * How to install it * Where to find the appropriate settings to support my display … Read more
Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Ask Ubuntu. Closed 3 years ago. Improve this question After upgrading to Ubuntu 17.10 my secondary screen cannot be detected anymore. I have an AMD Radeon HD 7700M card and my monitor … Read more
I used Xvidcap to record my desktop, but the quality of video was too bad (it lagged so much). I also tried with all output formats that xvidcap support, increase the frame-per-second as much as possible and the quality always at 100% but nothing changed. Click to see my video on Youtube I’m using 11.04 … Read more
Right now I’m trying to accomplish this: http://arseniyshestakov.com/2016/03/31/how-to-pass-gpu-to-vm-and-back-without-x-restart/ I’ve gotten everything on the host to work. DRI_PRIME is working correctly as shown below: $ DRI_PRIME=1 glxinfo | grep “renderer string” OpenGL renderer string: Gallium 0.4 on AMD HAWAII (DRM 2.43.0, LLVM 3.7.1) $ glxinfo | grep “renderer string” OpenGL renderer string: Mesa DRI Intel(R) Sandybridge … Read more
I have a notebook with an Intel iGPU and a dedicated AMD GPU and I was told that by default the iGPU would be used, but that I can explicitly tell a program use the AMD GPU by running it like this DRI_PRIME=1 example_program I know that this works for glmark2 because it tells me … Read more
