我正在尝试复制此博客文章中的示例：
http://jakevdp.github.io/blog/2013/06/15/numba-vs-cython-take-2/
在我实现 Numba 后，我得到以下回溯：
AssertionError Traceback (most recent call last)
<ipython-input-4-1859e40c79ab> in <module>()
4 pairwise_numba = autojit(pairwise_python)
5
----> 6 get_ipython().magic('timeit pairwise_numba(X)')
7
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\IPython\core\interactiveshell.py in magic(self, arg_s)
2135 magic_name, _, magic_arg_s = arg_s.partition(' ')
2136 magic_name = magic_name.lstrip(prefilter.ESC_MAGIC)
-> 2137 return self.run_line_magic(magic_name, magic_arg_s)
2138
2139 #-------------------------------------------------------------------------
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\IPython\core\interactiveshell.py in run_line_magic(self, magic_name, line)
2061 args.append(sys._getframe(stack_depth).f_locals)
2062 with self.builtin_trap:
-> 2063 result = fn(*args)
2064 return result
2065
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\IPython\core\magics\execution.py in timeit(self, line, cell)
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\IPython\core\magic.py in <lambda>(f, *a, **k)
190 # but it's overkill for just that one bit of state.
191 def magic_deco(arg):
--> 192 call = lambda f, *a, **k: f(*a, **k)
193
194 if isinstance(arg, collections.Callable):
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\IPython\core\magics\execution.py in timeit(self, line, cell)
804 number = 1
805 for i in range(1, 10):
--> 806 if timer.timeit(number) >= 0.2:
807 break
808 number *= 10
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\timeit.py in timeit(self, number)
188 gc.disable()
189 try:
--> 190 timing = self.inner(it, self.timer)
191 finally:
192 if gcold:
<magic-timeit> in inner(_it, _timer)
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\numba\numbawrapper.pyd in numba.numbawrapper._NumbaSpecializingWrapper.__call__ (numba\numbawrapper.c:3726)()
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\numba\wrapping\compiler.py in compile_from_args(self, args, kwargs)
66 def compile_from_args(self, args, kwargs):
67 signature = self.resolve_argtypes(args, kwargs)
---> 68 return self.compile(signature)
69
70 def compile(self, signature):
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\numba\wrapping\compiler.py in compile(self, signature)
81 env=self.env, **self.flags)
82
---> 83 compiled_function = dec(self.py_func)
84 return compiled_function
85
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\numba\decorators.py in _jit_decorator(func)
220 assert kwargs.get('llvm_ee') is None, "Engine should never be provided"
221 sig, lfunc, wrapper = compile_function(
--> 222 env, func, argtys, restype=return_type, nopython=nopython, **kwargs)
223 return numbawrapper.create_numba_wrapper(func, wrapper, sig, lfunc)
224
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\numba\decorators.py in compile_function(env, func, argtypes, restype, **kwds)
131 assert kwds.get('llvm_module') is None, kwds.get('llvm_module')
132
--> 133 func_env = pipeline.compile2(env, func, restype, argtypes, **kwds)
134
135 function_cache.register_specialization(func_env)
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\numba\pipeline.py in compile2(env, func, restype, argtypes, ctypes, compile_only, **kwds)
132 pipeline = env.get_pipeline(kwds.get('pipeline_name', None))
133 func_ast.pipeline = pipeline
--> 134 post_ast = pipeline(func_ast, env)
135 func_signature = func_env.func_signature
136 symtab = func_env.symtab
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\numba\pipeline.py in __call__(self, ast, env)
179
180 if self.is_composed:
--> 181 ast = self.transform(ast, env)
182 else:
183 try:
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\numba\pipeline.py in transform(self, ast, env)
600 stage_tuple = (stage, utils.ast2tree(ast))
601 logger.debug(pprint.pformat(stage_tuple))
--> 602 ast = stage(ast, env)
603 return ast
604
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\numba\pipeline.py in _stage(ast, env)
585 def _stage(ast, env):
586 stage_obj = getattr(env.pipeline_stages, name)
--> 587 return _check_stage_object(stage_obj)(ast, env)
588 _stage.__name__ = name
589 stage = _stage
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\numba\pipeline.py in __call__(self, ast, env)
182 else:
183 try:
--> 184 ast = self.transform(ast, env)
185 except error.NumbaError as e:
186 func_env = env.translation.crnt
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\numba\pipeline.py in transform(self, ast, env)
507 env.llvm_context.execution_engine,
508 env.crnt.llvm_module,
--> 509 env.crnt.lfunc)
510 return ast
511
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\numba\postpasses.py in postpass_link_math(env, ee, lmod, lfunc)
35 linker = linking.get_linker(default_math_lib)
36 linking.link_llvm_math_intrinsics(ee, lmod, default_math_lib,
---> 37 linker, replacements)
38 return lfunc
C:\WinPython-64bit-3.3.2.1\python-3.3.2.amd64\lib\site-packages\llvmmath\linking.py in link_llvm_math_intrinsics(engine, module, library, linker, replacements)
216 sig = ltypes.Signature(restype, argtypes)
217 linkarg = library.get_symbol(name, sig)
--> 218 assert linkarg, (name, sig, library.symbols[name])
219 linker.link(engine, module, library, lfunc, linkarg)
220 del lfunc # this is dead now, don't touch
AssertionError: ('sqrt', ('double', ('double',)), {})
我对python很陌生，所以我自己无法处理。在第一次运行中，我使用的是 scipy 包 + numba 和从此处下载的依赖项：http : //www.lfd.uci.edu/~gohlke/pythonlibs/，在 winpython 上尝试了相同的操作（完全重新安装了 python），结果仍然相同. Python版本是3.3 64