95 lines
4.4 KiB
Smarty
95 lines
4.4 KiB
Smarty
#!/usr/bin/env python
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import os
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import sys
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import tempfile
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from subprocess import call, Popen, PIPE
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CPU_CXX_COMPILER = ('%{host_cxx_compiler}')
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CPU_C_COMPILER = ('%{host_c_compiler}')
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CURRENT_DIR = os.path.dirname(sys.argv[0])
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COMPUTECPP_ROOT = CURRENT_DIR + '/../sycl/'
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COMPUTECPP_DRIVER= COMPUTECPP_ROOT + 'bin/compute++'
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COMPUTECPP_INCLUDE = COMPUTECPP_ROOT + 'include'
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def main():
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remove_flags = ('-Wl,--no-undefined', '-Wno-unused-but-set-variable', '-Wignored-attributes')
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# remove -fsanitize-coverage from string with g++
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if 'g++' in CPU_CXX_COMPILER:
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remove_flags += ('-fsanitize-coverage',)
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compiler_flags = [flag for flag in sys.argv[1:] if not flag.startswith(remove_flags)]
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output_file_index = compiler_flags.index('-o') + 1
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output_file_name = compiler_flags[output_file_index]
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if output_file_index == 1:
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# we are linking
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return call([CPU_CXX_COMPILER] + compiler_flags + ['-Wl,--no-undefined'])
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# find what we compile
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compiling_cpp = False
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if '-c' in compiler_flags:
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compiled_file_index = compiler_flags.index('-c') + 1
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compiled_file_name = compiler_flags[compiled_file_index]
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compiling_cpp = compiled_file_name.endswith(('.cc', '.c++', '.cpp', '.CPP', '.C', '.cxx'))
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# add -D_GLIBCXX_USE_CXX11_ABI=0 to the command line if you have custom installation of GCC/Clang
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compiler_flags = compiler_flags + ['-DEIGEN_USE_SYCL=1', '-DTENSORFLOW_USE_SYCL', '-DEIGEN_HAS_C99_MATH']
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if not compiling_cpp:
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# compile for C
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return call([CPU_C_COMPILER] + compiler_flags)
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# create a denylist of folders that will be skipped when compiling with ComputeCpp
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skip_extensions = [".cu.cc"]
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skip_folders = ["tensorflow/compiler", "tensorflow/docs_src", "third_party", "external", "hexagon"]
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skip_folders = [(folder + '/') for folder in skip_folders]
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# if compiling external project skip computecpp
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if any(compiled_file_name.endswith(_ext) for _ext in skip_extensions) or any(_folder in output_file_name for _folder in skip_folders):
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return call([CPU_CXX_COMPILER] + compiler_flags)
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# this is an optimisation that will check if compiled file has to be compiled with ComputeCpp
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flags_without_output = list(compiler_flags)
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del flags_without_output[output_file_index] # remove output_file_name
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del flags_without_output[output_file_index - 1] # remove '-o'
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# create preprocessed of the file and store it for later use
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pipe = Popen([CPU_CXX_COMPILER] + flags_without_output + ["-E"], stdout=PIPE)
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preprocessed_file_str = pipe.communicate()[0]
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if pipe.returncode != 0:
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return pipe.returncode
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# check if it has parallel_for in it
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if not '.parallel_for' in preprocessed_file_str:
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# call CXX compiler like usual
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with tempfile.NamedTemporaryFile(suffix=".ii") as preprocessed_file: # Force '.ii' extension so that g++ does not preprocess the file again
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preprocessed_file.write(preprocessed_file_str)
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preprocessed_file.flush()
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compiler_flags[compiled_file_index] = preprocessed_file.name
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return call([CPU_CXX_COMPILER] + compiler_flags)
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del preprocessed_file_str # save some memory as this string can be quite big
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filename, file_extension = os.path.splitext(output_file_name)
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bc_out = filename + '.sycl'
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# strip asan for the device
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computecpp_device_compiler_flags = ['-sycl-compress-name', '-Wno-unused-variable', '-Wno-c++11-narrowing',
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'-I', COMPUTECPP_INCLUDE, '-isystem', COMPUTECPP_INCLUDE,
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'-std=c++11', '-sycl', '-emit-llvm', '-no-serial-memop',
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'-Xclang', '-cl-denorms-are-zero', '-Xclang', '-cl-fp32-correctly-rounded-divide-sqrt']
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# disable flags enabling SIMD instructions
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computecpp_device_compiler_flags += [flag for flag in compiler_flags if \
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not any(x in flag.lower() for x in ('-fsanitize', '-fno-canonical-system-headers', '=native', '=core2', 'msse', 'vectorize', 'mavx', 'mmmx', 'm3dnow', 'fma'))]
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x = call([COMPUTECPP_DRIVER] + computecpp_device_compiler_flags)
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if x == 0:
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# dont want that in case of compiling with computecpp first
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host_compiler_flags = [flag for flag in compiler_flags if (not flag.startswith(('-MF', '-MD',)) and not '.d' in flag)]
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host_compiler_flags[host_compiler_flags.index('-c')] = "--include"
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host_compiler_flags = ['-xc++', '-Wno-unused-variable', '-I', COMPUTECPP_INCLUDE, '-c', bc_out] + host_compiler_flags
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x = call([CPU_CXX_COMPILER] + host_compiler_flags)
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return x
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if __name__ == '__main__':
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sys.exit(main())
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