Introduction to CUDA C
Introduction to CUDA C Introduction to CUDA C
CUDA C: The Basics � Terminology � Host – The CPU and its memory (host memory) � Device – The GPU and its memory (device memory) Host Note: Figure Not to Scale Device
Hello, World! int main( void ) { printf( "Hello, World!\n" ); return 0; } � This basic program is just standard C that runs on the host � NVIDIA’s compiler (nvcc) will not complain about CUDA programs with no device code � At its simplest, CUDA C is just C!
- Page 1 and 2: Introduction to CUDA C San Jose Con
- Page 3 and 4: What is CUDA? � CUDA Architecture
- Page 5: CUDA C Prerequisites � You (proba
- Page 9 and 10: Hello, World! with Device Code __gl
- Page 11 and 12: A More Complex Example � A simple
- Page 13 and 14: Memory Management � Host and devi
- Page 15 and 16: A More Complex Example: main() int
- Page 17 and 18: Parallel Programming in CUDA C �
- Page 19 and 20: Parallel Programming in CUDA C �
- Page 21 and 22: Parallel Addition: main() #define N
- Page 23 and 24: Review � Difference between “ho
- Page 25 and 26: Threads � Terminology: A block ca
- Page 27 and 28: Parallel Addition (Threads): main()
- Page 29 and 30: Indexing Arrays With Threads And Bl
- Page 31 and 32: Addition with Threads and Blocks
- Page 33 and 34: Parallel Addition (Blocks/Threads):
- Page 35 and 36: Dot Product � Unlike vector addit
- Page 37 and 38: Dot Product � But we need to shar
- Page 39 and 40: Parallel Dot Product: dot() � We
- Page 41 and 42: Faulty Dot Product Exposed! � Ste
- Page 43 and 44: Synchronization � We need threads
- Page 45 and 46: Parallel Dot Product: dot() __globa
- Page 47 and 48: Parallel Dot Product: main() } // c
- Page 49 and 50: Review (cont) � Using __shared__
- Page 51 and 52: Multiblock Dot Product: Algorithm
- Page 53 and 54: Multiblock Dot Product: dot() #defi
- Page 55 and 56: Global Memory Contention Block 0 su
<strong>CUDA</strong> C: The Basics<br />
� Terminology<br />
� Host – The CPU and its memory (host memory)<br />
� Device – The GPU and its memory (device memory)<br />
Host<br />
Note: Figure Not <strong>to</strong> Scale<br />
Device
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