• Issue about Cortex-A9 Dhrystone performance

    Ying-Han Chen
    Ying-Han Chen

    Hi,

    We found the following document on Cortex-A9 performance.

    List of ARM microarchitectures - Wikipedia, the free encyclopedia

    Which claims 2.5 DMIPS/MHz per core for Cortex-A9 2GHz@2 core. However, our Dhrystone result on Cortex-A9 1.2GHz@2 core only showed…

    • Answered
    • over 6 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • Cortex-A9 secondary boot Procedure

    niyas
    niyas

    I am trying to enable SMP  functionality  for our custom target having a dual core.

    Below is my understanding w.r.t Basic ARM secondary CPU boot address:

    a. The secondary CPU is provided with some registers (named like BOOTUP REG) to keep the…

    • Answered
    • over 6 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • Clean Whole Cache on Cortex-A9

    Mark
    Mark

    I am doing some benchmarking and I need to clear the cache before each test. I have this example here:

    Caches and Self-Modifying Code

    However, I just want to clean the whole cache. Is there an easy way to do that? I do not need to know the start and end…

    • Answered
    • over 6 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • View related content throughout Processors
  • More
  • Cancel
<