Questions tagged [gpu]

Use for questions about the Broadcom VideoCore IV Graphics Processing Unit included in all Raspberry Pis.

The Raspberry Pi is based on the Broadcom BCM2835/BCM2836 system on a chip (SoC), which includes the ARM Processor, GPU and RAM.

The BCM2835 is a cost-optimized, full HD, multimedia applications processor for advanced mobile and embedded applications that require the highest levels of multimedia performance. Designed and optimized for power efficiency, BCM2835 uses Broadcom's VideoCore® IV technology to enable applications in media playback, imaging, camcorder, streaming media, graphics and 3D gaming.

107 questions
32
votes
7 answers

Get CPU and GPU usage on Raspberry Pi

I am trying to figure out a good split for the CPU/GPU. Is there a way to monitor the CPU and GPU usage to see where I should make the split?
Scoop
  • 2,679
  • 7
  • 27
  • 25
14
votes
3 answers

OpenCL w/ Broadcom GPU?

I know this question has been asked and answered before here: Can I use the GPU for calculations? but there have been a number of developments recently, including a hint that there will be more forthcoming. Does anyone know if this is likely in the…
cjm2671
  • 271
  • 2
  • 3
  • 7
5
votes
1 answer

GPU Unified Memory?

Is it possible to access the memory the GPU is allocated on the CPU? For instance if I'm running a 3d application and I wish to edit a lookup table which is in a texture, is it possible to access the memory without having to go through the graphics…
PhilCK
  • 153
  • 3
5
votes
2 answers

Persistent rainbow test pattern

I've got an install of arch linux on my B+, but the test pattern is showing in the upper-right corner of the screen even well after the OS is fully booted. It disappears every now and then, but comes back when I take any action. I think it is…
smokes2345
  • 173
  • 7
1
vote
0 answers

How to display numer of QPUs on screen?

I'm using the QPU library created by mn416 on GitHub (https://github.com/mn416/QPULib) to run a sample code on Raspberry Pi 3B I need to display the number of QPUs utilised by the GCD algorithm. I'm getting an error which seems to say that I'm…
BobanR
  • 11
  • 1
1
vote
1 answer

How will leaving the default GPU memory setting at 64 affect my installed packages

I left my default GPU setting at 64. Will this affect my installed packages in a negative way? I have a raspberry pi 3 and I am getting the hang of things so if there is a better setting I would like to know what it is and why? Thank you in advance!
Pismurf
  • 313
  • 1
  • 15
0
votes
1 answer

Use Pi as simple GPU for PC?

I have seen some many examples of connecting an external GPU to the PI but I want know if the reverse is possible whereby the RPI GPU can be accessed via a PC. The use case is to use the PI as a poor man's BMC for a homelab server. In particular I…
0
votes
1 answer

Applications that can utilize raspberry pi 2 Model B's GPU

Are there raspbian compatible applications that can utilize the GPU of the Raspberry PI other than omxplayer?
Josh
  • 113
  • 1
  • 6