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 Duration 21 hours

Course Outline

Introduction

  • Understanding ROCm
  • Understanding HIP
  • Comparing ROCm, CUDA, and OpenCL
  • Overview of ROCm and HIP features and architecture
  • ROCm for Windows vs. ROCm for Linux

Installation

  • Installing ROCm on Windows
  • Verifying the installation and checking device compatibility
  • Updating or uninstalling ROCm on Windows
  • Troubleshooting common installation issues

Getting Started

  • Creating a new ROCm project using Visual Studio Code on Windows
  • Exploring the project structure and files
  • Compiling and running the program
  • Displaying the output using printf and fprintf

ROCm API

  • Integrating the ROCm API into the host program
  • Querying device information and capabilities
  • Allocating and deallocating device memory
  • Copying data between host and device
  • Launching kernels and synchronizing threads
  • Handling errors and exceptions

HIP Language

  • Using the HIP language in the device program
  • Writing kernels that execute on the GPU and manipulate data
  • Utilizing data types, qualifiers, operators, and expressions
  • Using built-in functions, variables, and libraries

ROCm and HIP Memory Model

  • Utilizing different memory spaces, such as global, shared, constant, and local
  • Working with different memory objects, such as pointers, arrays, textures, and surfaces
  • Applying different memory access modes, such as read-only, write-only, and read-write
  • Understanding the memory consistency model and synchronization mechanisms

ROCm and HIP Execution Model

  • Working with different execution models, such as threads, blocks, and grids
  • Using thread functions, such as hipThreadIdx_x, hipBlockIdx_x, hipBlockDim_x, etc.
  • Using block functions, such as __syncthreads, __threadfence_block, etc.
  • Using grid functions, such as hipGridDim_x, hipGridSync, cooperative groups, etc.

Debugging

  • Debugging ROCm and HIP programs on Windows
  • Using the Visual Studio Code debugger to inspect variables, breakpoints, and call stacks
  • Using the ROCm Debugger to debug ROCm and HIP programs on AMD devices
  • Using the ROCm Profiler to analyze ROCm and HIP programs on AMD devices

Optimization

  • Optimizing ROCm and HIP programs on Windows
  • Applying coalescing techniques to improve memory throughput
  • Using caching and prefetching techniques to reduce memory latency
  • Utilizing shared memory and local memory techniques to optimize memory accesses and bandwidth
  • Employing profiling tools to measure and improve execution time and resource utilization

Summary and Next Steps

Requirements

  • A solid understanding of the C/C++ language and parallel programming concepts
  • Foundational knowledge of computer architecture and memory hierarchy
  • Proficiency with command-line tools and code editors
  • Familiarity with the Windows operating system and PowerShell

Target Audience

  • Developers seeking to learn how to install and use ROCm on Windows to program AMD GPUs and leverage their parallelism
  • Developers aiming to write high-performance, scalable code compatible with various AMD devices
  • Programmers interested in exploring the low-level intricacies of GPU programming and optimizing code performance

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