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by ioannes
Tue May 27, 2014 11:43 am
Forum: Bare metal, Assembly language
Topic: VideoCore IV QPUs
Replies: 6
Views: 2541

Re: VideoCore IV QPUs

Yes, that is the exact bit I am reffering to. The following quote is from the reference guide, on page 16: Internally the QPU is a 4-way SIMD processor multiplexed to 16-ways by executing the same instruction for four clock cycles on four different 4-way vectors termed ‘quads’ As far as I understand...
by ioannes
Mon May 26, 2014 10:34 am
Forum: Bare metal, Assembly language
Topic: VideoCore IV QPUs
Replies: 6
Views: 2541

Re: VideoCore IV QPUs

Thanks, this is quite clear now. But what exactly do they mean when they say that data are being multiplexed?
by ioannes
Thu May 22, 2014 9:49 am
Forum: General discussion
Topic: About VideoCore IV
Replies: 4
Views: 939

Re: About VideoCore IV

Thanks guys :)
by ioannes
Thu May 22, 2014 9:48 am
Forum: Bare metal, Assembly language
Topic: VideoCore IV QPUs
Replies: 6
Views: 2541

VideoCore IV QPUs

Hello, not sure if this is the correct category to post this, please move it accordingly if needed. I've been going through the relatively newly released specifications document for the VideoCore IV GPU, trying to understand a little bit of its bare metal logic. The reason is that I have to write ab...
by ioannes
Mon May 19, 2014 1:05 pm
Forum: General discussion
Topic: About VideoCore IV
Replies: 4
Views: 939

About VideoCore IV

Hello everybody,
I would like to know which section would be the most appropriate to post about the VideoCore IV GPU. There doesn't seem to be any section dedicated for low-level understanding of the underlying hardware.
Kind regards.
by ioannes
Fri Apr 25, 2014 2:16 pm
Forum: General discussion
Topic: STICKY: Introduce yourself!
Replies: 3517
Views: 102450

Re: Introduce yourself!

Hello everybody, I am a new Raspberry Pi owner. I'm currently doing my thesis, a study on RPi's hardware and the Raspbian OS. I figured out it would be a great idea to enroll in the forums and exchange ideas and knowledge. Happy hacking! P.S. Where would be the most appropriate place to post about t...

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