Dependencies:
compiletc
gfortran
openblas-dev
python3.9-dev
py3.9-gast
py3.9-beniget
py3.9-cython
py3.9-numpy-with-openblas
py3.9-ply
py3.9-pybind
py3.9-pythran

time python3.9 setup.py build -j16 2>&1 | tee /tmp/build.log
real    17m 27.76s
user    47m 14.47s
sys     3m 15.79s


########### EXT COMPILER OPTIMIZATION ###########
Platform      :
  Architecture: x64
  Compiler    : gcc

CPU baseline  :
  Requested   : 'min'
  Enabled     : SSE SSE2 SSE3
  Flags       : -msse -msse2 -msse3
  Extra checks: none

CPU dispatch  :
  Requested   : 'max -xop -fma4'
  Enabled     : SSSE3 SSE41 POPCNT SSE42 AVX F16C FMA3 AVX2 AVX512F AVX512CD AVX512_KNL AVX512_KNM AVX512_SKX AVX512_CLX AVX512_CNL AVX512_ICL
  Generated   : none
CCompilerOpt.cache_flush[809] : write cache to path -> /tmp/scipy-1.8.0/build/temp.linux-x86_64-3.9/ccompiler_opt_cache_ext.py

########### CLIB COMPILER OPTIMIZATION ###########
Platform      :
  Architecture: x64
  Compiler    : gcc

CPU baseline  :
  Requested   : 'min'
  Enabled     : SSE SSE2 SSE3
  Flags       : -msse -msse2 -msse3
  Extra checks: none

CPU dispatch  :
  Requested   : 'max -xop -fma4'
  Enabled     : SSSE3 SSE41 POPCNT SSE42 AVX F16C FMA3 AVX2 AVX512F AVX512CD AVX512_KNL AVX512_KNM AVX512_SKX AVX512_CLX AVX512_CNL AVX512_ICL
  Generated   : none
CCompilerOpt.cache_flush[809] : write cache to path -> /tmp/scipy-1.8.0/build/temp.linux-x86_64-3.9/ccompiler_opt_cache_clib.py