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Questions tagged [gpu]

Anything related to Graphics Processing Units (GPUs), i.e. microprocessors specially designed to efficiently handle all the calculations needed to implement 2D and 3D graphic operations and rendering on modern computer systems.

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What exactly is it that damage a GPU when overclocking? [closed]

I want to overclock my GPU. I got a good cooling system, but I don't want to reduce the working time on my GPU. Is it the heat that damage it? If the GPU still is cold, will it work as long as a GPU ...
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1answer
340 views

USB Camera to GPU Memory Directly

There may be several points in this question which may not make sense to a knowledgeable person, so I do thank you for your understanding in advance. For a computer vision project I wish to process ...
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3answers
205 views

Would a standardized graphics chip socket be sensible? [closed]

I am not an EE, and so I'm running this conjecture on breaking out the GPU from the CPU by folks who have better knowledge than me. Perhaps you can point out something I don't know about modern CPU ...
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2answers
470 views

GPU vs CPU on chip memory

There has been a fairly wide ranging discussion as to why it is difficult to combine memory / CPU logic on the same die (yield issue compounding, different processes, different clock-frequency, ...
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1answer
118 views

GPU Shader Hardware Requirements Question

I have a question which I hope is not out of the scope of this branch of the exchange network and is a fair question (to be fair I have provided a block diagram on what I have so far) on the "basics" ...
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1answer
372 views

GPU-grade memory bandwidth on low-cost FPGA solutions

I'm designing a custom FPGA board, for something low-cost like a Xilinx Spartan 6. I want to perform research about solving memory-intensive algorithms in an FPGA. As we all know, memory bandwidth is ...
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1answer
62 views

Will a laptop works with missing GPU Power rail? [closed]

I have a skylake laptop with a dedicated graphics, the Mosfets on the buck converter are shorted (at least one of them) so if i cut the 1v gpu power rail will the laptop works again? Thanks in advance....
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1answer
122 views

Connecting GPU chips in order to create more powerful graphic card [closed]

I had thoughts about GPU and I came up with an idea. Why not putting more than one GPU chips in order to create a powerful graphic card? Is it possible with ordinary GPU chips or one need custom ...
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1answer
520 views

Understanding GDDR5 clamshell mode

Let suppose a 256 bit memory controller is installed on a PCB with GDDR5 memory modules. In normal mode you can split the lines into 8 group of 32 bit and drive 8 modules x 1Gbit (128 MB) = 1 GB of ...
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1answer
393 views

Intel iGPU die area and power consumption

What is the Intel's iGPU area occupied on the die (or transistor count) and what is the power consumpition of the iGPU alone? Didnt find any information from Intel, quite odd they dont advertise this ...
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2answers
65 views

How to discern quality of a breakout board? other than proper soldering on back of board [closed]

I see three different breakout boards for a project I am doing yet I am not sure which one to pick. How would i know which is of higher quality? I do see a metal circle inserts in board two and ...
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3answers
134 views

Why does the capacitor exist on this breakout board but not others that have same function?

I am looking at using either of these parts to connect to a server power supply. I realize a capacitor helps to regulate voltage. Why would each of these parts that have similar function not both have ...
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2answers
564 views

How can I use an Nvidia GPU with an open-source embedded board? [closed]

Is it possible by any means or method, to use an Nvidia GPU with an (probably open-source) embedded board? If yes, how do I go about achieving that? I have a few ideas but I'm just a beginner, hence ...
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2answers
206 views

How overvoltaging makes graphic processing unit operate faster?

My teacher told me that we are trying to make transistors smaller so that they require less electricity to operate, hence make them faster (because changing form 1 signal to 0 or vice versa need less ...
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2answers
4k views

Why are there 2 clock rates (core vs memory clock) in the GPU?

I learned at school that the clock rate inside a computer is the signal that keep switching between 0 - 1 (or active - inactive). There's also another delayed clock with the same frequency. These 2 ...
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2answers
453 views

Standard Interface Between LCD and GPU

Almost all smartphones on the market seem to use a distinct LCD as their display, though most use an ARM processor with a GPU from one of a relatively (compared to the screens) small number of ...
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2answers
2k views

Is the bracket of a graphics card grounded?

I would guess so, but i want to make sure. Is the bracket of a graphics card grounded to the ground-plane of that card? The metal bracket is the thing with the DVI, HDMI, DisplayPort etc. ...
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1answer
146 views

How to design a Video Card with existing GPU (NVDIA/AMD)? [closed]

I searched on the web if there is any documentation about designing a video card using existing GPU (NVDIA/AMD). Let's say, ASUS, MSI and other brands design GTX 960 cards using the same GPU. I'd like ...
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2answers
181 views

What makes a circuit bootable or capable of runnning an OS? [closed]

I posted this on StackOverflow for the premise that any programmer (not an HTML coder, who does not, strictly speaking, do programming, though HTML does require a lot of specific knowledge and bears a ...
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1answer
376 views

CPUs and GPUs temperature ranges

Every integrated circuit, like any other component, have a working temperature range. The minimum ranges are in the commercial grade (if I did dot forget something), while the military/aersopace grade ...
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1answer
85 views

Moving beyond high end microcontrollers to high performance computation embedded systems [closed]

I have been working a with relatively fast and high end microcontrollers now, and I want to move beyond them. For example, I've been using the STM32F4 chip, which has something of a 180MHz and a ...
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1answer
233 views

ESD protection for work with CPU/GPU

I am ready to perform a BGA reballing operation on my ps3's CPU and GPU chips. Should i take into consideration electrostatic discharge or is it not needed? How can i protect from these dangers? Are ...
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1answer
199 views

Does NVIDIA Tegra SoC's and AMD Fusion APU's bypass the GPU<->CPU memory transfer bottleneck?

The major limitation in heterogeneous CPU+GPU programming seems to be the slow memory transfer across the PCI-e bus when data needs to be passed back and forth between the Device and Host. I have ...
4
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1answer
481 views

Capturing data at 500MHz

I have an ADC sampling at 500MHz (It is collecting data from an Ultrasound sensor). I need to be able to stream this data to my PC (for the time being - this will be done through a wireless unit). I ...
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2answers
358 views

How much power does a GPU actually use when only doing PCIe I/O, or only compute?

I hope this is the right sight to ask such a question, if not please be kind and direct me elsewhere. I have some discrete GPU with a TDP figure of X watts. Now, sometimes the GPU does Only ...
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2answers
2k views

GPU reflow soldering profile

I've had my ENGTX480/2DI/1536MD5 GPU for 3 and half years now. Over the past 2 months it started causing trouble. At first, it started seldom displaying big zones with weird color, but simply ...
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1answer
798 views

what inside a graphical processor?

Preamble Due to the super-secret nature of commercial GPU, I didn't find anything interesting yet.The best thing I can do is asking that to someone which has more experience than me (everyone). It's ...
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1answer
697 views

3D Rotation Using Fixed Point Arithmetic - Rotating Object is Deforming (and Shrinking)

I have an FPGA board (Virtex 5) for which I have created a Wireframe GPU with the ability to rotate a sample object using a 3 Axis Trackball. Additionally, I have connected the board to a PC Monitor. ...
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2answers
12k views

How does a GPU/CPU communicate with a standard display output? (HDMI/DVI/etc) [closed]

I am interested in how the cpu/gpu presents (to whatever equipment that it does) video data after it has been processed. I have been told that the video is processed by the CPU/GPU and then sent to ...
6
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1answer
2k views

Is CPU/GPGPU heat dissipation quadratic in clock frequency?

In the following article on overclocking a Pentium from 1GHz to 5GHz using liquid nitrogen: The 5GHz Project, there is an assertion that "Heat dissipation rises exponentially during extreme ...
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2answers
257 views

Design question for GPU

On days I read a very interesting article, saying, that there's exist two general architectures in GPU design: IMR and TBDR architecture's. One of them used in modern PC-based graphics card GPU's, and ...
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1answer
412 views

Custom-CPU builder/simulator

I googled deeply but couldn't find any cpu constructor simulator. I'm specifically hoping to learn about the operation of the northbridge, but When I googled "bridge simulator" or "bridge (the ...
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3answers
575 views

Linux PCB with support for GPU accelerated X Windows

I'm looking for a Linux PCB (ARM or Intel) with a GPU that can run debian linux and use the GPU in X Windows. Preferably with an HDMI output or at least a DVI output. Something that is available on ...
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2answers
2k views

What can cause this damage to the GPU?

I bought a computer for a person in which, when delivered, the video card (Gigabyte Nvidia GTX 570) never gave output. The only way the display got basic VESA output was when I moved the card into in ...
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6answers
17k views

Where to start when considering making a GPU?

I saw this video the other day and it got me thinking about how to go about and design something like the GPU. Where would you begin? I'm more just interested in reading about how they work and not ...