63 lines
2.6 KiB
Python
63 lines
2.6 KiB
Python
import os
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import sys
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from distutils.command.build import build as old_build
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from distutils.util import get_platform
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from numpy.distutils.command.config_compiler import show_fortran_compilers
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class build(old_build):
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sub_commands = [('config_cc', lambda *args: True),
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('config_fc', lambda *args: True),
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('build_src', old_build.has_ext_modules),
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] + old_build.sub_commands
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user_options = old_build.user_options + [
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('fcompiler=', None,
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"specify the Fortran compiler type"),
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('warn-error', None,
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"turn all warnings into errors (-Werror)"),
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('cpu-baseline=', None,
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"specify a list of enabled baseline CPU optimizations"),
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('cpu-dispatch=', None,
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"specify a list of dispatched CPU optimizations"),
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('disable-optimization', None,
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"disable CPU optimized code(dispatch,simd,fast...)"),
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('simd-test=', None,
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"specify a list of CPU optimizations to be tested against NumPy SIMD interface"),
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]
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help_options = old_build.help_options + [
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('help-fcompiler', None, "list available Fortran compilers",
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show_fortran_compilers),
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]
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def initialize_options(self):
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old_build.initialize_options(self)
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self.fcompiler = None
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self.warn_error = False
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self.cpu_baseline = "min"
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self.cpu_dispatch = "max -xop -fma4" # drop AMD legacy features by default
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self.disable_optimization = False
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"""
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the '_simd' module is a very large. Adding more dispatched features
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will increase binary size and compile time. By default we minimize
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the targeted features to those most commonly used by the NumPy SIMD interface(NPYV),
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NOTE: any specified features will be ignored if they're:
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- part of the baseline(--cpu-baseline)
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- not part of dispatch-able features(--cpu-dispatch)
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- not supported by compiler or platform
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"""
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self.simd_test = "BASELINE SSE2 SSE42 XOP FMA4 (FMA3 AVX2) AVX512F " \
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"AVX512_SKX VSX VSX2 VSX3 VSX4 NEON ASIMD VX VXE VXE2"
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def finalize_options(self):
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build_scripts = self.build_scripts
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old_build.finalize_options(self)
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plat_specifier = ".{}-{}.{}".format(get_platform(), *sys.version_info[:2])
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if build_scripts is None:
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self.build_scripts = os.path.join(self.build_base,
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'scripts' + plat_specifier)
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def run(self):
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old_build.run(self)
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