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Questions tagged [gpgpu]

GPGPU (General-purpose computing on graphics processing units) is the means of using a graphics processing unit (GPU), which typically handles computation only for computer graphics, to perform computation in applications traditionally handled by the central processing unit (CPU).

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Error related on Tdrdelay Tesla M2050 running on Windows 8.1 [migrated]

I have a C++ AMP program that works fine for small data sets(5K*5K) and large data sets(50K*50K)on a laptop equipped with a single GPU, an NVIDIA GT 650M. It also runs smoothly for small data sets on ...
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1answer
48 views

Do GPU's have caching systems or an operating system like a CPU does? [closed]

In terms of an operating system, does a GPU have some type of software on it to manage virtual memory, or context switching? And in terms of hardware, does it have some type of caching system, or a ...
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How is it supposed to control GPU clocks and voltages on Linux?

I have several modern GPUs, both ATIs (lets take Polaris 480) and Nvidia(Lets take 1080) models. I am using them for various purposes, like mining, video rendering, physics processing. Each task is ...
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1answer
102 views

How do the “games-oriented” NVIDIA-GPU-based cards behave w.r.t. CUDA computation?

NVIDIA makes GPUs, which are used both for graphics and for graphics-unrelated computing. It also publishes compute-related specs of its GPUs. Now, when it comes to cards: there are some cards that ...
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10answers
22k views

Why do people use GPUs for high-performance computation instead of a more specialized chip?

From my understanding, people began using GPUs for general computing because they are an extra source of computing power. And though they are not a fast as a CPU for each operation, they have many ...
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0answers
441 views

Debian 9: NVIDIA Card + intel graphics

I have a little bit of a dilemma right now: I have a NVIDIA graphics card and I need to use it for scientific calculations only (GPU). I have Debian 9 installed on my system and I also have fvwm ...
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1answer
3k views

Is it possible to mount video cards via USB or Thunderbolt or…?

I need to build a (cheap) computer that might serve to: mine digital currency render 3D animations solve SETI problems ...etc Basically I am just using the GPU's to solve math problems. I need very ...
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69 views

Ldap key server using ldapphpadmin

I configured an Ldapphpadmin server to save some pgpkeys and some user of an company so i tried to test through thinderbird i put the adress of the ldap server it conect perfectly the problem is ...
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1answer
2k views

How to set the default GPG encryption key?

Say I am using only one encryption key most the time. How do I set the default encryption key in order to avoid mentioning it in the encryption command In other word, I want this command: gpg -e ...
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0answers
102 views

GeForce GTX 750 Ti Display Issue

[Perspective crop - original image: https://i.stack.imgur.com/kg1DP.jpg ] To resolve the above shown issue I have tried 3 different versions of drivers and also changed my desktop PC. But the problem ...
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1answer
3k views

Why Nvidia Pascal has both FP32 and FP64 cores? Why I can not use them simultaneously?

I am trying to understand Nvidia's GPU architecture but I am a bit stuck on something that appears to be quite simple. Each Streaming Multiprocessor in the Pascal consists of 64xFP32 and 32xFP64 cores....
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376 views

How to have graphics enabled in multiple VMs without dedicated pass-through (GPU emulation?)

Is there a way to emulate GPUs in a VM without doing an actual GPU-passthrough? Now now, before y'all close this question saying "GPU emulation is not possible, it won't increase performance", let me ...
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1answer
269 views

GPGPU and motherboard compatibility

How can I verify the compatibility of a motherboard with GPU cards that have over 4GB memory, such as Tesla K40, K80, Titan X, etc.? The problem is, Tesla K40 does not work properly on AMD SuperMicro ...
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0answers
186 views

Hardware limitations in data transfer (high throughput)

I am currently looking into the hardware limitations for a scientific setup. We are running into high-load related loss of data. I will first explain the problem and propose a solution, which I hope ...
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1answer
195 views

How Shaders map to actual GPU hardware

In an attempt to better understand GPU's and GPU programming, I would like to get a better mental picture of shaders and how they are implemented on the GPU. Is there a 1 to 1 relationship between a ...

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