Top "Gpgpu" questions

GPGPU is an acronym for the field of computer science known as "General Purpose computing on the Graphics Processing Unit (GPU)"

Is there any way to find out and/or limit GPU usage by process in Windows?

I'd like to launch CPU and GPU intensive process on some machines, but these processes must not interfere with user's …

windows process gpu cpu-usage gpgpu
Is "cudaMallocManaged" slower than "cudaMalloc"?

I downloaded CUDA 6.0 RC and tested the new unified memory by using "cudaMallocManaged" in my application.However, I found this …

cuda gpgpu nvidia hpc
Is there a limit to OpenCL local memory?

Today I added four more __local variables to my kernel to dump intermediate results in. But just adding the four …

opencl gpgpu gpu-shared-memory
How to calculate the speedup of a GPU program?

Motivation: I have been tasked with measuring the Karp-Flatt metric and parallel efficiency of my CUDA C code, which requires …

performance cuda gpgpu metrics
Numpy, BLAS and CUBLAS

Numpy can be "linked/compiled" against different BLAS implementations (MKL, ACML, ATLAS, GotoBlas, etc). That's not always straightforward to configure …

numpy cuda gpgpu blas
Is it worth offloading FFT computation to an embedded GPU?

We are considering porting an application from a dedicated digital signal processing chip to run on generic x86 hardware. The …

embedded fft gpu gpgpu
modular arithmetic on the gpu

I am working on the GPU algorithm which is supposed to do a lot of modular computations. Particularly, various operations …

cuda gpgpu
Integer calculations on GPU

For my work it's particularly interesting to do integer calculations, which obviously are not what GPUs were made for. My …

performance optimization integer gpgpu
Create local array dynamic inside OpenCL kernel

I have a OpenCL kernel that needs to process a array as multiple arrays where each sub-array sum is saved …

memory-management opencl gpgpu pyopencl
Clarification of the leading dimension in CUBLAS when transposing

For a matrix A, the documentation only states that the corresponding leading dimension parameter lda refers to the: leading dimension …

c matrix cuda gpgpu cublas