GPU Programming with OpenACC Training Course
OpenACC serves as an open standard for heterogeneous programming, allowing code to execute across diverse platforms and devices, including multicore CPUs, GPUs, FPGAs, and more.
This instructor-led live training (available online or onsite) is designed for developers ranging from beginner to intermediate skill levels who aim to utilize OpenACC for programming heterogeneous devices and harnessing their parallel processing capabilities.
Upon completing this training, participants will be able to:
- Configure an OpenACC development environment.
- Compose and execute a fundamental OpenACC application.
- Enhance code with OpenACC directives and clauses.
- Utilize OpenACC APIs and libraries.
- Profile, debug, and optimize OpenACC applications.
Course Format
- Interactive lectures and discussions.
- Extensive exercises and practical practice.
- Hands-on implementation within a live-lab environment.
Course Customization Options
- To request a customized training session for this course, please reach out to us to arrange details.
Course Outline
Introduction
- What is OpenACC?
- OpenACC vs OpenCL vs CUDA vs SYCL
- Overview of OpenACC features and architecture
- Setting up the development environment
Getting Started
- Creating an OpenACC project in Visual Studio Code
- Exploring project structure and files
- Compiling and running the program
- Displaying output with printf and fprintf
OpenACC Directives and Clauses
- Understanding OpenACC directives and clauses
- Using parallel directives for creating parallel regions
- Using kernels directives for compiler-managed parallelism
- Using loop directives for parallelizing loops
- Managing data movement with data directives
- Synchronizing data with update directives
- Improving data reuse with cache directives
- Creating device functions with routine directives
- Synchronizing events with wait directives
OpenACC API
- Understanding the role of OpenACC API
- Querying device information and capabilities
- Setting device number and type
- Handling errors and exceptions
- Creating and synchronizing events
OpenACC Libraries and Interoperability
- Understanding OpenACC libraries and interoperability
- Using math, random, and complex libraries
- Integrating with other models (CUDA, OpenMP, MPI)
- Integrating with GPU libraries (cuBLAS, cuFFT)
OpenACC Tools
- Understanding OpenACC tools in development
- Profiling and debugging OpenACC programs
- Performance analysis with PGI Compiler, NVIDIA Nsight Systems, Allinea Forge
Optimization
- Factors affecting OpenACC program performance
- Optimizing data locality and reducing transfers
- Optimizing loop parallelism and fusion
- Optimizing kernel parallelism and fusion
- Optimizing vectorization and auto-tuning
Summary and Next Steps
Requirements
- Proficiency in C/C++ or Fortran programming languages along with an understanding of parallel programming concepts.
- Familiarity with computer architecture and memory hierarchy.
- Experience using command-line tools and code editors.
Audience
- Developers eager to learn how to leverage OpenACC for programming heterogeneous devices and exploiting their parallelism.
- Developers seeking to write portable and scalable code compatible with various platforms and devices.
- Programmers interested in exploring high-level heterogeneous programming aspects to enhance code productivity.
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