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Course Outline
Introduction
- What is CUDA?
- CUDA vs OpenCL vs SYCL
- Overview of CUDA features and architecture
- Setting up the Development Environment
Getting Started
- Creating a new CUDA project using Visual Studio Code
- Exploring the project structure and files
- Compiling and running the program
- Displaying the output using printf and fprintf
CUDA API
- Understanding the role of the CUDA API in the host program
- Using the CUDA API to query device information and capabilities
- Using the CUDA API to allocate and deallocate device memory
- Using the CUDA API to copy data between host and device
- Using the CUDA API to launch kernels and synchronize threads
- Using the CUDA API to handle errors and exceptions
CUDA C/C++
- Understanding the role of CUDA C/C++ in the device program
- Using CUDA C/C++ to write kernels that execute on the GPU and manipulate data
- Using CUDA C/C++ data types, qualifiers, operators, and expressions
- Using CUDA C/C++ built-in functions, such as math, atomic, warp, etc.
- Using CUDA C/C++ built-in variables, such as threadIdx, blockIdx, blockDim, etc.
- Using CUDA C/C++ libraries, such as cuBLAS, cuFFT, cuRAND, etc.
CUDA Memory Model
- Understanding the difference between host and device memory models
- Using CUDA memory spaces, such as global, shared, constant, and local
- Using CUDA memory objects, such as pointers, arrays, textures, and surfaces
- Using CUDA memory access modes, such as read-only, write-only, read-write, etc.
- Using CUDA memory consistency model and synchronization mechanisms
CUDA Execution Model
- Understanding the difference between host and device execution models
- Using CUDA threads, blocks, and grids to define the parallelism
- Using CUDA thread functions, such as threadIdx, blockIdx, blockDim, etc.
- Using CUDA block functions, such as __syncthreads, __threadfence_block, etc.
- Using CUDA grid functions, such as gridDim, gridSync, cooperative groups, etc.
Debugging
- Understanding the common errors and bugs in CUDA programs
- Using the Visual Studio Code debugger to inspect variables, breakpoints, call stack, etc.
- Using CUDA-GDB to debug CUDA programs on Linux
- Using CUDA-MEMCHECK to detect memory errors and leaks
- Using NVIDIA Nsight to debug and analyze CUDA programs on Windows
Optimization
- Understanding the factors that affect the performance of CUDA programs
- Using CUDA coalescing techniques to improve memory throughput
- Using CUDA caching and prefetching techniques to reduce memory latency
- Using CUDA shared memory and local memory techniques to optimize memory accesses and bandwidth
- Using CUDA profiling and profiling tools to measure and improve the execution time and resource utilization
Summary and Next Steps
Requirements
- An understanding of the C/C++ language and parallel programming concepts
- Basic knowledge of computer architecture and memory hierarchy
- Experience with command-line tools and code editors
Audience
- Developers who wish to learn how to use CUDA to program NVIDIA GPUs and exploit their parallelism
- Developers who wish to write high-performance and scalable code that can run on different CUDA devices
- Programmers who wish to explore the low-level aspects of GPU programming and optimize their code performance
28 Hours
