Multicore DSP

13Introduction to OpenCL for the KeyStone II

CHAPTER MENU

1. 13.1 Introduction
2. 13.2 Operation of OpenCL
3. 13.3 Command queue
   1. 13.3.1 Creating a command queue
      1. 13.3.1.1 Command‐queue properties
   2. 13.3.2 Enqueueing a kernel
4. 13.4 Kernel declaration
5. 13.5 How do the kernels access data?
6. 13.6 OpenCL memory model for the KeyStone
   1. 13.6.1 Creating a buffer
      1. 13.6.1.1 Cl_mem_flags 434
7. 13.7 Synchronisation
   1. 13.7.1 Event with a callback function
   2. 13.7.2 User event
   3. 13.7.3 Waiting for one command or all commands to finish
   4. 13.7.4 wait_group_events
   5. 13.7.5 Barrier
8. 13.8 Basic debugging profiling
9. 13.9 OpenMP dispatch from OpenCL
   1. 13.9.1 OpenMP for the kernel code
   2. 13.9.2 OpenMP for the ARM code
10. 13.10 Building the OpenCL project
11. 13.11 Laboratory experiments
    1. 13.11.1 Laboratory experiment 1: Hello World
    2. 13.11.2 Laboratory experiment 2: dotp functions
       1. 13.11.2.1 Explore the main.cpp function
       2. 13.11.2.2 Explore the kernel dotp.cl
       3. 13.11.2.3 Run the dotp program
    3. 13.11.3 Laboratory experiment 3: USE_HOST_PTR
    4. 13.11.4 Laboratory experiment 4: ALLOC_HOST_PTR
    5. 13.11.5 Laboratory experiment 5: COPY_HOST_PTR
    6. 13.11.6 Laboratory experiment 6: Synchronisation
    7. 13.11.7 Laboratory experiment 7: Local buffer
    8. 13.11.8 Laboratory experiment 8: Barrier
    9. 13.11.9 Laboratory experiment 9: Profiling
    10. 13.11.10 Laboratory experiment 10: OpenMP in kernel
    11. 13.11.11 Laboratory experiment 11: OpenMP in ARM
12. 13.12 Conclusion
13. References

13.1 Introduction

In the previous chapters of this book, various programming models (IPC/MessageQ and ...