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Forum NEON/VFPV3 for the OOB Debian image
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  • maaxboard
  • oob_debian
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NEON/VFPV3 for the OOB Debian image

filippin
filippin over 5 years ago

Hi,

I wanted to compile opencv 4.2.0 from source code but when I did the config I noticed that the Debian image does not expose NEON/VFPV3 instructions.

I did check with "lscpu" and what I see is:

 

==============================================

(cv) root@maaxboard:~/opencv_installs/opencv/build# lscpu
  Architecture:        aarch64
  Byte Order:          Little Endian
  CPU(s):              4
  On-line CPU(s) list: 0-3
  Thread(s) per core:  1
  Core(s) per socket:  4
  Socket(s):           1
  NUMA node(s):        1
  Vendor ID:           ARM
  Model:               4
  Model name:          Cortex-A53
  Stepping:            r0p4
  CPU max MHz:         1300.0000
  CPU min MHz:         800.0000
  BogoMIPS:            16.66
  L1d cache:           unknown size
  L1i cache:           unknown size
  L2 cache:            unknown size
  NUMA node0 CPU(s):   0-3
  Flags:               fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid

==============================================

 

 

is this correct? the maaxboard ARM A-53 does support neon, right?

 

is this an issue of the debian build only ?

 

 

thanks

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  • jafoste4
    jafoste4 over 5 years ago +1 suggested
    Hi, Apologies for the delay, yes it supports NEON. I am talking to the SW team in charge of the Debian release and seeing about adding it to the next quarterly release. If you find its missing any additional…
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  • jafoste4
    0 jafoste4 over 5 years ago

    Hi,


    Apologies for the delay, yes it supports NEON. I am talking to the SW team in charge of the Debian release and seeing about adding it to the next quarterly release. If you find its missing any additional functionality feel free to reach out and we can discuss adding it.

     

    Thanks!

    Josh

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  • jafoste4
    0 jafoste4 over 5 years ago

    Hi,


    Apologies for the delay, yes it supports NEON. I am talking to the SW team in charge of the Debian release and seeing about adding it to the next quarterly release. If you find its missing any additional functionality feel free to reach out and we can discuss adding it.

     

    Thanks!

    Josh

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