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Recommendations for ppc64le and aarch64 #268

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ax3l opened this issue Jun 4, 2019 · 2 comments
Closed

Recommendations for ppc64le and aarch64 #268

ax3l opened this issue Jun 4, 2019 · 2 comments

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@ax3l
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ax3l commented Jun 4, 2019

Hi,

what CMake flags do you recommend for building on ppc64le and aarch64?
Currently, building for these platforms gives the warnings:

CMake Warning at CMakeLists.txt:253 (message):
  Unrecognized system processor ppc64le.  Cannot determine which hardware
  features (GNU 8.2.0) supports, so hardware-accelerated implementations will
  not be available.
  • ARM64 CMake:
CMake Warning at CMakeLists.txt:253 (message):
  Unrecognized system processor aarch64.  Cannot determine which hardware
  features (GNU 7.3.0) supports, so hardware-accelerated implementations will
  not be available.

Afair, at least for PPC64le, AVX2 might be a thing. Should one just add the processor in the list?
See: conda-forge/blosc-feedstock#36

@FrancescAlted
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The support for ARM and PPC is happening in the c-blosc2 project, the new generation. Please check it out, in particular Blosc/c-blosc2#59.

@ax3l
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ax3l commented Jun 6, 2019

Thanks for the info, that looks like a great effort! Looking forward to blosc2! :)

@ax3l ax3l closed this as completed Jun 6, 2019
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