• float behaivior on AARCH64

    Christian Dreihsig
    Christian Dreihsig

    Hello,

    forgive me if my question is a litte bit weak in content and linguistic. I'm only a Hobbyist and english is not my nativ.

    I'm trying to compile an App from Einstein@Home for AARCH64 using GCC. Einstein@Home is a DC-Projekt using Boinc. The App…

    • Answered
    • over 4 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • cortex-A15 instruction set and optimization ways on this platform?

    Meng
    Meng

    Dear,

    I am an greenhand developer on cortex-a15.

    now I need some specification as follows:

    where I can get the instruction set of cortex-A15?

    are there some documents about optimization technology on cortex-A15(image processing optimization)

    Thanks a lot.

    …
    • Answered
    • over 3 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • De-merits in using Cortex A9 for single core processor

    techguyz
    techguyz

    Hi Experts,

    A8 is meant for single core and A9 is for multi-core based.

    Consider in case of SoC is build with single core of A9 and A8 how we could compare both in terms of some metrics/parameters like power/speed ?

    • Answered
    • over 5 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • Memory barrier (DSB, DMB). Does they guarantee writing data on cache to memory?

    Yeo Reum Yun
    Yeo Reum Yun

    Hi Experts,

    I'm reading white paper for ARMv7 and ARMv8.

    but when i reading cache part and memory re-ordering, i have silly questions.....

    Suppose there are below instructions..

     

    Core A:

         STR R0, [Msg]

         STR R1, [Something…

    • Answered
    • over 5 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • How to compile with gcc toolchain that uses ARM neon instructions

    Haris
    Haris

    Hi,

    I would like to ask which version of gcc and with what flags , may I compile some c code to assembly code that uses arm neon coprocessor for ARMV7-A processor. Of course I want to use the processor itself but also the coprocessor. Is this gcc optimal…

    • Answered
    • over 6 years ago
    • Processors
    • Cortex-A / A-Profile forum
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