gpu
CUDA 4.0 using pointers within kernels - error
my question is as follows: I wish to use a kernel in two ways. I use an array d_array that has been copied over using cudaMemcpy, i.e. through[详细]
2023-03-26 18:07 分类：问答cuda - kernel optimization
I created a simple particle system. I have a device with compute capability 2.1. What could I change to optimize the kernel?[详细]
2023-03-26 10:49 分类：问答WPF 3D perfomance issue due to low graphics card memory?
My project uses 3D flip animations to show the forms. My problem is that the transitions are very slow in an XP machine. I checked the graphics card memory and its only 64MB. Does upgrading the graphi[详细]
2023-03-25 23:32 分类：问答parallel convex hull algorithm in gpu
I am implementing a divide and conquer approach to convex hull in CUDA. This is my approach: Bottom up:[详细]
2023-03-24 04:20 分类：问答Convert IplImage to CvMat
Here is the gpu surf code: #include <iostream> #include <iomanip> #include \"opencv2/contrib/contrib.hpp\"[详细]
2023-03-23 22:45 分类：问答Error in implementing realtime camera based GPU_SURF in opencv
As the CPU based SURF in opencv was very slow for realtime application, we decided to use GPU_SURF, after setting up the opencv_gpu we made the following code:[详细]
2023-03-23 20:13 分类：问答Memory Error in CUDA Program for Fermi GPU
I am facing the following problem on a GeForce GTX 580 (Fermi-class) GPU. Just to give you some background, I am reading single-byte samples packed in the following manner in a file: Real(Signal 1),[详细]
2023-03-21 16:11 分类：问答Fermi L2 cache hit latency?
Does anyone know related information about L2 cache in Fermi? I have heard that it开发者_如何学Go is as slow as global memory, and the use of L2 is just to enlarge the memory bandwidth. But I can\'t f[详细]
2023-03-21 01:23 分类：问答Best GPU algorithm for calculating lists of neighbours
Given a collection of thousands of points in 3D, I need to get the list of neighbours for each particl开发者_StackOverflowe that fall inside some cutoff value (in terms of euclidean distance), and if[详细]
2023-03-20 22:09 分类：问答Getting Pycuda to work with Mpi4py on 2 gpus [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to in开发者_如何学运维clude desired behavior, a specific problem or error, and the sho[详细]
2023-03-20 20:39 分类：问答
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