Three-dimensional spatial analysis based on GPU accelerationTags: supermap geographic information System GisitArticle: SyedWith the rapid development and popularization of three-dimensional GIS, three-dimensional spatial analysis technology has become the hotspot of GIS technology in the application of its practicability. In the face of the increasingly large-scale data processing situation, in order to meet the practical needs of GIS industry for thr
Recently used Theano wrote the MLP and CNN program, because the training sample large, CPU speed so slow, and then found a computer with Naivid graphics card configuration using the GPU, encountered a lot of problems, recorded as follows:Platform Description:System: WindowsXPpython:2.7, it is recommended to use Python (x, y) directly, including the Theano required NumPy library, save your own configurationtheano:0.6cuda:3.01 DownloadsDownload Install
Preface
How to optimize existing programs in parallel is the most important practical issue in GPU parallel programming technology. This article provides several optimization ideas to point out the path for parallel program optimization.
Preparation before optimization
First, we need to clarify the goal of Optimization-is it necessary to speed up the program twice? Or 10 times? 100 times? Maybe you will not think about it. Of course, the higher the im
1.Glossary
GPU: Graphic Processing Unit (graphics processor)
OpenGL: Open Graphic Library defines the specification of a cross-programming language and cross-platform programming interface. Different vendors have different implementation methods. It is mainly used for 3D image (two-dimensional) painting.
Surfaceflinger:Dynamic library in Android that is responsible for surface overlay and hybrid operations
Skia:2d graphics library in Android
Libagl:A
The following is a chrome user's usage tips, hoping to help readers.
Here we will introduce the methods for enabling hardware acceleration and pre-rendering:
Go to about: flags in the chrome address bar and pull down the page to find GPU accelerated compositing and GPU accelerated canvas 2D. enable these two items. Chrome 11 does not have the GPU accelerated c
Beware of GPU memory bandwidth
For personal use only, do not reprint, do not use for any commercial purposes.
Some time ago, I wrote a series of post-process effect, including the motion blur, refraction, and scattering of screen spance. Most shader is very simple. It is nothing more than rendering a full screen quad to the screen. Generally, there are no more than 10 lines of PS Code, without any branch or loop commands. It can be run only after sm1.
Entertainment, mobile phone-hosted graphics operations are growing. Especially for the glory of the mobile phone brand for young people, users of large online games, AR/VR and other functions of the smoothness, clarity requirements are rising, but also hope that mobile phone prices as close as possible to the people. The scary technique is to honor the secret law of balance between the two needs.It's a scary technology. The "scientific name", called the GPU
Sometimes it is necessary to do coding work through Remote Desktop Connection, such as the general web, such as the need for the GPU and other support coding work directly with Windows Remote Desktop Connection coding and then debug, and some need to rely on graphics support work such as rendering, When GPU operations such as CUDA, Remote Desktop Connection debug will fail. Because when using Remote Desktop
implementation of 2-D FFT algorithm--base 2 fast two-dimensional Fourier transform based on GPU
The first one-dimensional FFT of the GPU implementation (FFT algorithm implementation-based on the GPU base 2 fast Fourier transform), and then I need to do a second-dimensional FFT, probably the following ideas.
The first thing to look at is definitely the formula:
I _dovelemon
Date: 2014/8/31
Source: csdn blog
Article: GPU hardware architecture
Introduction
In 3D graphics, the emergence of programmable rendering pipelines is undoubtedly a pioneering work. In the following article, we will briefly introduce the hardware architecture of vertex shader and pixel shader, the most important of today's programmable rendering pipelines, and how to write shader using assembly languages.
Vertex shader
On the hardware,
Preface
This article describes how to implement parallel computing from the perspective of GPU programming technology.
Three important issues to be considered in parallel computing
1. synchronization problems
In the course on operating system principles, we have learned about deadlocks between processes and critical resource issues caused by resource sharing.
2. Concurrency
Some problems are "Easy parallelism", such as matrix multiplication. In this t
There are two ways to handle drawing and animation:CPU (central processing unit) and GPU (graphics processor). In modern iOS devices, there are programmable chips that can run different software, but for historical reasons, we can say that the CPU does all the work at the software level, while the GPU is at the hardware level. in general, we can do anything with software (using the CPU), but for image p
Single version of the two-tone ordering can be referred to http://blog.csdn.net/sunmenggmail/article/details/42869235
Or is this picture
The idea of two-tone sorting based on Cuda is:
Provides a thread for each element, or 1024 threads if it is greater than 1024 elements, because the __syncthreads can only be synchronized as a thread within the block, and a block has a maximum of 1024 threads, If the number of elements is greater than 1024, each thread may be responsible for more than one elem
It might be a bit earlier. GPU computing developers will do a common GPU computing OpenGL, with the rise of GPU computing technology, more and more technologies, such as OpenCL, CUDA, OPENACC, etc., are specifically used to do parallel computing standard or interface.
OpenGL is used to do general-purpose GPU computing,
Reprint Please specify:Look at Daniel's small freshness : http://www.cnblogs.com/luruiyuan/This article original website : http://www.cnblogs.com/luruiyuan/p/6660142.htmlThe Ubuntu version I used was 16.04, and using Gnome as the desktop (which doesn't matter) has gone through a lot of twists and turns and finally completed the installation of Keras with TensorFlow as the back end.Installation of the TENSORFLOW-GPU version:1. Download CUDA 8.0Address:
Nowadays, AI is getting more and more attention, and this is largely attributed to the rapid development of deep learning. The successful cross-border between AI and different industries has a profound impact on traditional industries.Recently, I also began to keep in touch with deep learning, before I read a lot of articles, the history of deep learning and related theoretical knowledge also have a general understanding.But as the saying goes: The end of the paper is shallow, it is known that t
The method of referring to the great God: http://www.th7.cn/system/win/201603/155182.shtmlFirst step: Need to install CUDA, vs2013;cuda default path, note Cuda version and GPU to matchThe second step:. Download CUDNN, build a local folder under the Matconvnet folder, and put the CUDNN in (I changed the filename called CUDNN)Step three: Open vl_compilenn.m, Run, wait for compilation to finishThe fourth step is to copy the Cudnn64_4.dll under the bin to
D3d9 GPU HacksI ' ve been trying to catch up what hacks GPU vendors has exposed in Direct3D9, and turns out there's a lot of them!If you know more hacks or more details, please let me know in the comments!Most hacks is exposed as custom ("FOURCC") formats. So-check for the CheckDeviceFormat . Here's the list (Usage column codes:ds=depthstencil, Rt=rendertarget; Resource column codes:tex=texture, Surf=surfac
The most important Optimization of body rendering is to reduce GPU sampling. Testing the filling rate of the GPU material can guide our work. Do you want to know why the GPU can only reach 12 FPS in 800*600 environments? This depends on the number of GPU samples per second.
I wrote a simple OSGProgramTo test the numb
of dll ).
2. next, the application delegates the NiD3DShader initialization work to NiShaderLibrary for processing. NiShaderLibrary first loads all shader text files through nid3dxjavastloader, and uses nid3dxjavastparser to parse the text to generate the nid3dxjavastfile object, at the same time, NiD3DXEffectLoader is responsible for compiling shader code into a binary form GPU program.
3. NiD3DXEffectTechnique is responsible for generating the NiD3
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