Use for questions about the Broadcom BCM2835 Graphics Processing Unit.
1
vote
2answers
32 views
How is memory split by CMA?
The post at http://www.raspberrypi.org/phpBB3/viewtopic.php?f=29&t=19334&p=218282&hilit=cma#p217665 mentions that:-
gpu_mem_512=316
cma_lwm=16
cma_hwm=32
In the above ARM has 96M ...
4
votes
2answers
293 views
Voice recognition
I was thinking about creating a kind of Jarvis computer (Iron man). Only then a (little) bit more minimalistic. What I want to built is more of a question/answer type of application (something like ...
0
votes
1answer
86 views
How to allocate GPU processing power to accelerate internet speed?
From my question about the Pi's slow internet I learned that the main bottleneck is the dismal CPU speed. Is it possible for me to use the GPU to handle the information instead (or perhaps in addition ...
0
votes
1answer
241 views
OpenCL / GPGPU programming coming soon?
Last June the answer was a qualified no:
Can I use the GPU for calculations?
However, the Videocore driver code was open sourced towards the end of 2012:
http://www.raspberrypi.org/archives/2221 - ...
7
votes
4answers
2k views
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?
4
votes
1answer
253 views
How to: build a graphics cluster
Currently, I am waiting for my second RPi to arrive and then I will begin my fun building a RPi cluster. Also, later I want to extend it more and more. =)
I am building it at home, home-experiment, ...
6
votes
2answers
2k views
What speed can I expect from the hardware-H264-encoding?
I stumbled over the Wikipedia-article that the Broadcom GPU has hardware support for encoding H.264/AVC, not only de-coding.
I also found an article where someone gave an example using ffmpeg to ...
3
votes
2answers
2k views
VLC Hardware acceleration
I'm new to Raspberry Pi. I am trying to develop a media player that would use a library like libvlc to do the decoding. Now the problem is that I can't get the hardware acceleration going...
I have ...
13
votes
3answers
4k views
How can I change the RAM split?
By default, the Pi is set to a 192MiB:64MiB RAM:VRAM split. As I will not be using the pi for graphical purposes, I would like to change the split to allocate more normal ram to ease swap usage.
34
votes
2answers
19k views
What is the optimum split of main versus GPU memory?
I read that it's possible to allocate either 128MB, 64MB or 32MB to the Raspberry Pi's video memory.
Given that my primary use case for this machine is educational: I will be running lightweight ...
7
votes
2answers
853 views
Is it possible to mine Bitcoins?
Obviously, the RPi can be used to mine Bitcoins on the CPU, but this would be very slow.
Is it possible to use the GPU to mine Bitcoins?
11
votes
1answer
4k views
Running 1080p video from within XOrg smoothly
The 1080p examples that work outside of X.Org run very smoothly on my Pi, but within X.Org they don't run very smoothly at all at the moment.
Given that X.Org is currently not GPU-accelerated, this ...
35
votes
4answers
6k views
Is there a GPU accelerated Xorg server?
At present all of the official builds of the X Window System run on the CPU, which takes up a lot of processing power and runs X rather slowly.
I know there's no official GPU accelerated version of ...
48
votes
3answers
7k views
Can I use the GPU for calculations?
Is it possible to use the GPU for calculations? (e.g. CUDA/OpenCL)
