CUDA vs OpenCL | Difference between CUDA and OpenCL
This page compares CUDA vs OpenCL and mentions difference between CUDA and OpenCL.
CUDA
• It is parallel computing platform and
programming model developed by NVIDIA corporation.
• It allows engineers to use CUDA enabled GPU
for general purpose processing. This is known as
GPGPU.
• CUDA platform is layer which provides
direct access to instruction set and computing elements
of GPU to execute kernel.
• CUDA platform works with C, C++, fortran.
• Supports operating systems e.g. windows XP and later, macOS, Linux.
OpenCL
• It is developed by Khronos Group and written in C/C++.
• It is a framework to write programs
which execute across heterogeneous platforms.
It consists of CPUs, GPUs, DSPs, FPGAs, hardware accelerators and
other processor types.
• It provides standard interface for
parallel computing with the help of
task based and data based parallelism.
• Supports operating systems e.g.
Android, FreeBSD, Windows, Linux, macOS etc.
Following table mentions comparison between CUDA and OpenCL.
| Features | CUDA | OpenCL |
|---|---|---|
| Compilation options | Offline oly | Online and Offline |
| math precision | Undefined | very well defined |
| math library | Proprietary | standard defined |
| native support | No native thread support available | task parallel compute model with ability to enqueue native threads |
| extension mechanism | proprietary | defined mechanism |
| Vendor support | NVIDIA only | industry wide support AMD, Apple etc. |
| C language support | Yes | Yes |
| Function | use compiler to build kernels | build kernels at runtime |
| Buffer offset | Allowed | Not allowed |
| Abstraction of memory/core hierarchy | blocks/threads, shared memory | work group/item |
| explicit data mapping and movement | CudaMemcpy function | bufferWrite function |
| Event driven, pipeline | stream | pipe |
IoT Wireless Technologies
➤WLAN
➤THREAD
➤EnOcean
➤LoRa
➤SIGFOX
➤WHDI
➤Zigbee
➤6LoWPAN
➤Zigbee RF4CE
➤Z-Wave
➤NFC
➤RFID
➤INSTEON
What is difference between
Difference between OSI and TCPIP layers Difference between TCP UDP FTP vs HTTP FTP vs SMTP FTP vs TFTP ARP vs RARP NAT vs PAT RIP vs OSPF SLIP vs PPP IMAP4 vs POP3 IPV4 vs IPV6