Start learning opencl ......
Because old wolf's video card is amd 5xx's redwood, we will first introduce the installation of opencl app (accelerated parallel processing.
: Http://developer.amd.com/tools/hc/AMDAPPSDK/downloads/Pages/default.aspx
Installation notes: http://developer.amd.com/tools/hc/AMDAPPSDK/assets/AMD_APP_SDK_Installation_Notes.pdf
Useful information: http://developer.amd.com/too
OpenCL programming guide for interoperability with Direct3D and opencl programming guide
This article describes the interoperability between OpenCL and D3D 10.1. initialize OpenCL context for Direct3D interoperability
OpenCL sharing is enabled by pragma cl_khr_d3d10_sharing:
.
Kernel: This is the kernel function and its parameter set in element run, and if you think of computing devices as a lot of people doing one thing for you at the same time, then Kernel is the one thing that each of them does, and that's the same thing everyone does, but the parameters may be different, This is called a single instruction multi-data system.
Worki tem: This is the most basic computational unit of a processing element on behalf of the hardware.
Synchronization Related:
Events: I
Now, we start to write a simple OpenCL program, calculate the sum of the two arrays, and put them in another array. The program calculates with the CPU and GPU respectively, and finally verifies whether they are equal. The process of the OpenCL program is roughly as follows: The main code in sourcecode is: intmain (intargc, char * argv []) {
Now, we start to write a simple
install a game at the same time, let him change the advanced n card by the way. So I was not very interested in this field at one time. I recently saw the emergence of opencl and found that this architecture may still have a good application prospect. It is also a task that many vendors are currently pushing together. It's exciting to think about a 10000 for loop in the next iteration.
In the gaming field,
Now, we start to write a simple opencl program, calculate the sum of the two arrays, and put them in another array. The program calculates with the CPU and GPU respectively, and finally verifies whether they are equal. The procedure of the opencl program is roughly as follows:
The main code in source code is as follows:
Int main (INT argc, char * argv []){// Create three buffers in the host memoryFloat *
transferred from: http://www.cnblogs.com/mikewolf2002/archive/2012/09/05/2671261.html
Author: Mike Old Wolf
Now, we begin to write a simple OpenCL program that calculates the sum of two arrays and puts them in another array. The program calculates the CPU and GPU separately, and finally verifies that they are equal. The process of the OPENCL program is roughly as follows:
The following are the main codes
would have been a program that was cured inside the chip, then developed to be locally programmable and finally fully programmable. In other words, the GPU is developing in the direction of general processing while increasing the throughput being processed.
2 build OpenCL environment under Linux workstations
High-Performance lab, the OPENCL environment for Linux has been configured on both workstations.
T
Opencl-sobel detection and opencl-sobel
Comparison of the time of the C version, neon, and GPU detected by sobel.
Platform: LG G3, Adreno 330, img size 3264x2448
Sobel:
C code
Neon
GPU
73
13
42 + 3.7 + 6.6
Unit: ms GPU time = memorytime + Queued time + Run time
Sobel org
Sobel vector
Sobel vector + mem_fence
Que
Firefox WEBCL plug-in that can run on Windows and 32-bit Linux operating systems. Because of its extensive developer base, this article will focus on the implementation of Nokia. This article will explain how to install WEBCL and also introduce the basics of WEBCL encoding. Then demonstrate how to use WEBCL to search the entire text at a high speed.
Install WEBCL
The WEBCL application requires three comp
From http://www.kimicat.com
Use opencl in Windows
Currently, both nvidia and AMD windows drivers support opencl (the official NVIDIA driver version starts with version 195.62, while amd starts with version 9.11 ). NVIDIA's official driver contains opencl. dll, which can be used directly. So far, amd still needs to install
provider has a different platform, which should be given before use. HereClgetplatformids () assigns cpplatform to a platform available to the system. For example, if the system includes amd cpu and nvidia gpu and both platforms have an appropriate opencl driver installed, the platform is available here. (Note: to use different platform drivers, you must install the relevant drivers. In this example, I ins
AMD Graphics Ubuntu System OPENCL Environment Setup
1. Install the video driver
1) Download the driver in Http://support.amd.com/zh-cn/download/linux, be sure to note the version
2) Install Fglrx-core_15.302-0ubuntu1_amd64_ub_14.01.deb First, you may encounter a lack of libc6-i385 lib32gcc1 dkms, perform
sudo apt-get autoremove sudo apt-get autoclean
Sudo apt-ge
1. opencl Architecture
Opencl can implement parallel computing on hybrid devices, including CPU, GPU, and Other Processors, such as cell processors and DSPs. With opencl programming, you can achieve portable parallel acceleration code. [However, due to the different hardware performance of each opencl device, specific
translation errors that made it difficult to understand. I wanted to help with the change, but I don't know how to invest ..
Later, for further study, I applied for an account in the NVIDIA developer zone this morning. It seems that this account can only be successfully logged on to the home page of the United States, it took a lot of effort to find the SDK, that is, the GPU computing SDK, the notebook can only download 1.0 opencl, opencl1.1 driver
Recently, khronos announced the first test version of opencl (Open Computing language). Once released, it was a big wave in the field of general computing! Opencl is an open and free standard for concurrent programming for general purposes of heterogeneous systems, initiated by Apple and jointly developed by many famous manufacturers in the industry. It is also a unified programming environment. It facilita
Ten reasons why Android shocould support opencl> Wednesday, 1_l 3, 2013
In an earlier post, I explained why a Google Engineer's grievance with opencl was mistaken. Now here are ten reasons why Google shoshould make opencl the high-performance language of choice on Android:10. GPU vendors are the driving force behind opencl
I. OPENCL installation, setup and use1. What is OpenCL?OpenCL (Universal Open Computing Language, open Computing language) is the first open, free standard for common purpose parallel programming for heterogeneous systems and a unified programming environment for software developers for high-performance computing servers, desktop computing systems, Handheld devic
Just like a freshman C ++ or a sophomore compilation, I also wrote Cuda for a few months. Then, think about it, and I should start to explain it, I learned something at the lower layer of Cuda and may know more about heterogeneous programming.
1 OverviewFull name of opencl: Development Computing language, parallelProgramThe development standard, used in combination with any heterogeneous platform-including multi-CPU, GPU, CPU and GPU.
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