• NEON: Cortex A7 is 4 times slower than Cortex A8 ?
    I'm seeing Cortex-A7 cycle-timing table here : http://hardwarebug.org/2014/05/15/cortex-a7-instruction-cycle-timings/ For example,  VADD.F32 Dd, Dn, Dm takes 2 cycles VADD.F32 Qd, Qn, Qm takes 4 cycles...
  • Enabling NEON Instructions on Pixhawk
    I am trying to get a quadcopter flying using the Pixhawk controller (Cortex M4 running NuttX RTOS) and I am using the Simulink Pixhawk PSP to implement a custom controller. Our controller uses neural...
  • NEON SIMD Register Diagram
    Hello, I’m new to ARM architecture and was looking to get a better understanding of how it works. Most notably, the Cortex-A series and its DSP functionality. When looking through the NEON SIMD page on...
  • Understanding ARM NEON instruction
    hi i am trying to understand ARM NEON instruction and encountered with vqrdmulh instruction. i am particularly interested in saturation case in instruction i am not getting any case with saturation ....
  • NEON in Cortex-A8
    Note: This was originally posted on 20th February 2009 at http://forums.arm.com Hi, I am working on Cortex-A8 processor, this has NEON coprocessor. Its possible to execute the Multimedia (like Audio,...