numba NotImplementedError: Unknown operator 'in'
numba NotImplementedError: Unknown operator 'in'
from numba import jit
from numpy import arange
# jit decorator tells Numba to compile this function.
# The argument types will be inferred by Numba when function is called.
@jit
def sum2d(arr,m):
M, N = arr.shape
result = 0.0
if m in ['yes']:
for i in range(M):
for j in range(N):
result += arr[i,j]
return result
a = arange(9).reshape(3,3)
执行结果出错。问题：numba 是否支持 'in' 运算符？如果不支持，我可以解决这个问题吗？
print(sum2d(a,'yes'))
更新：
import cpkg_resources
env = pkg_resources.Environment()
env['numba'][0]
numba 0.19.1 (/Users/blah/anaconda/lib/python2.7/site-packages)
LoweringError Traceback (most recent call last)
<ipython-input-4-1100b95cf735> in <module>()
----> 1 print(sum2d(a,'yes'))
/Users/blah/anaconda/lib/python2.7/site-packages/numba/dispatcher.pyc in _compile_for_args(self, *args, **kws)
163 assert not kws
164 sig = tuple([self.typeof_pyval(a) for a in args])
--> 165 return self.compile(sig)
166
167 def inspect_llvm(self, signature=None):
/Users/blah/anaconda/lib/python2.7/site-packages/numba/dispatcher.pyc in compile(self, sig)
301 self.py_func,
302 args=args, return_type=return_type,
--> 303 flags=flags, locals=self.locals)
304
305 # Check typing error if object mode is used
/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.pyc in compile_extra(typingctx, targetctx, func, args, return_type, flags, locals, library)
593 pipeline = Pipeline(typingctx, targetctx, library,
594 args, return_type, flags, locals)
--> 595 return pipeline.compile_extra(func)
596
597
/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.pyc in compile_extra(self, func)
316 raise e
317
--> 318 return self.compile_bytecode(bc, func_attr=self.func_attr)
319
320 def compile_bytecode(self, bc, lifted=(), lifted_from=None,
/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.pyc in compile_bytecode(self, bc, lifted, lifted_from, func_attr)
325 self.lifted_from = lifted_from
326 self.func_attr = func_attr
--> 327 return self._compile_bytecode()
328
329 def compile_internal(self, bc, func_attr=DEFAULT_FUNCTION_ATTRIBUTES):
/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.pyc in _compile_bytecode(self)
580
581 pm.finalize()
--> 582 return pm.run(self.status)
583
584
/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.pyc in run(self, status)
207 # No more fallback pipelines?
208 if is_final_pipeline:
--> 209 raise patched_exception
210 # Go to next fallback pipeline
211 else:
LoweringError: Caused By:
Traceback (most recent call last):
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 201, in run
res = stage()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 393, in stage_objectmode_frontend
cres = self.frontend_looplift()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 384, in frontend_looplift
func_attr=self.func_attr)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 604, in compile_bytecode
return pipeline.compile_bytecode(bc=bc, lifted=lifted, lifted_from=lifted_from, func_attr=func_attr)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 327, in compile_bytecode
return self._compile_bytecode()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 582, in _compile_bytecode
return pm.run(self.status)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 209, in run
raise patched_exception
LoweringError: Caused By:
Traceback (most recent call last):
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 201, in run
res = stage()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 515, in stage_objectmode_backend
res = self._backend(lowerfn, objectmode=True)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 493, in _backend
lowered = lowerfn()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 471, in backend_object_mode
self.flags)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 750, in py_lowering_stage
lower.lower()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 82, in lower
self.lower_normal_function(self.fndesc)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 114, in lower_normal_function
entry_block_tail = self.lower_function_body()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 140, in lower_function_body
self.lower_block(block)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 158, in lower_block
raise LoweringError(msg, inst.loc)
LoweringError: Internal error:
NotImplementedError: Unknown operator 'in'
File "<ipython-input-3-f51bcec7986c>", line 10
Failed at object (object mode backend)
Internal error:
NotImplementedError: Unknown operator 'in'
File "<ipython-input-3-f51bcec7986c>", line 10
Failed at object (object mode frontend)
Caused By:
Traceback (most recent call last):
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 201, in run
res = stage()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 515, in stage_objectmode_backend
res = self._backend(lowerfn, objectmode=True)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 493, in _backend
lowered = lowerfn()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 471, in backend_object_mode
self.flags)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 750, in py_lowering_stage
lower.lower()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 82, in lower
self.lower_normal_function(self.fndesc)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 114, in lower_normal_function
entry_block_tail = self.lower_function_body()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 140, in lower_function_body
self.lower_block(block)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 158, in lower_block
raise LoweringError(msg, inst.loc)
LoweringError: Internal error:
NotImplementedError: Unknown operator 'in'
File "<ipython-input-3-f51bcec7986c>", line 10
Failed at object (object mode backend)
Internal error:
NotImplementedError: Unknown operator 'in'
File "<ipython-input-3-f51bcec7986c>", line 10
对于遇到此错误的任何其他人：
in 运算符似乎在 numba 0.21 see changelog 版本之前没有完全实现。一旦 numba 更新，问题就不会发生。
from numba import jit
from numpy import arange
# jit decorator tells Numba to compile this function.
# The argument types will be inferred by Numba when function is called.
@jit
def sum2d(arr,m):
M, N = arr.shape
result = 0.0
if m in ['yes']:
for i in range(M):
for j in range(N):
result += arr[i,j]
return result
a = arange(9).reshape(3,3)
执行结果出错。问题：numba 是否支持 'in' 运算符？如果不支持，我可以解决这个问题吗？
print(sum2d(a,'yes'))
更新：
import cpkg_resources
env = pkg_resources.Environment()
env['numba'][0]
numba 0.19.1 (/Users/blah/anaconda/lib/python2.7/site-packages)
LoweringError Traceback (most recent call last)
<ipython-input-4-1100b95cf735> in <module>()
----> 1 print(sum2d(a,'yes'))
/Users/blah/anaconda/lib/python2.7/site-packages/numba/dispatcher.pyc in _compile_for_args(self, *args, **kws)
163 assert not kws
164 sig = tuple([self.typeof_pyval(a) for a in args])
--> 165 return self.compile(sig)
166
167 def inspect_llvm(self, signature=None):
/Users/blah/anaconda/lib/python2.7/site-packages/numba/dispatcher.pyc in compile(self, sig)
301 self.py_func,
302 args=args, return_type=return_type,
--> 303 flags=flags, locals=self.locals)
304
305 # Check typing error if object mode is used
/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.pyc in compile_extra(typingctx, targetctx, func, args, return_type, flags, locals, library)
593 pipeline = Pipeline(typingctx, targetctx, library,
594 args, return_type, flags, locals)
--> 595 return pipeline.compile_extra(func)
596
597
/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.pyc in compile_extra(self, func)
316 raise e
317
--> 318 return self.compile_bytecode(bc, func_attr=self.func_attr)
319
320 def compile_bytecode(self, bc, lifted=(), lifted_from=None,
/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.pyc in compile_bytecode(self, bc, lifted, lifted_from, func_attr)
325 self.lifted_from = lifted_from
326 self.func_attr = func_attr
--> 327 return self._compile_bytecode()
328
329 def compile_internal(self, bc, func_attr=DEFAULT_FUNCTION_ATTRIBUTES):
/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.pyc in _compile_bytecode(self)
580
581 pm.finalize()
--> 582 return pm.run(self.status)
583
584
/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.pyc in run(self, status)
207 # No more fallback pipelines?
208 if is_final_pipeline:
--> 209 raise patched_exception
210 # Go to next fallback pipeline
211 else:
LoweringError: Caused By:
Traceback (most recent call last):
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 201, in run
res = stage()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 393, in stage_objectmode_frontend
cres = self.frontend_looplift()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 384, in frontend_looplift
func_attr=self.func_attr)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 604, in compile_bytecode
return pipeline.compile_bytecode(bc=bc, lifted=lifted, lifted_from=lifted_from, func_attr=func_attr)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 327, in compile_bytecode
return self._compile_bytecode()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 582, in _compile_bytecode
return pm.run(self.status)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 209, in run
raise patched_exception
LoweringError: Caused By:
Traceback (most recent call last):
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 201, in run
res = stage()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 515, in stage_objectmode_backend
res = self._backend(lowerfn, objectmode=True)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 493, in _backend
lowered = lowerfn()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 471, in backend_object_mode
self.flags)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 750, in py_lowering_stage
lower.lower()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 82, in lower
self.lower_normal_function(self.fndesc)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 114, in lower_normal_function
entry_block_tail = self.lower_function_body()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 140, in lower_function_body
self.lower_block(block)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 158, in lower_block
raise LoweringError(msg, inst.loc)
LoweringError: Internal error:
NotImplementedError: Unknown operator 'in'
File "<ipython-input-3-f51bcec7986c>", line 10
Failed at object (object mode backend)
Internal error:
NotImplementedError: Unknown operator 'in'
File "<ipython-input-3-f51bcec7986c>", line 10
Failed at object (object mode frontend)
Caused By:
Traceback (most recent call last):
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 201, in run
res = stage()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 515, in stage_objectmode_backend
res = self._backend(lowerfn, objectmode=True)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 493, in _backend
lowered = lowerfn()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 471, in backend_object_mode
self.flags)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/compiler.py", line 750, in py_lowering_stage
lower.lower()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 82, in lower
self.lower_normal_function(self.fndesc)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 114, in lower_normal_function
entry_block_tail = self.lower_function_body()
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 140, in lower_function_body
self.lower_block(block)
File "/Users/blah/anaconda/lib/python2.7/site-packages/numba/lowering.py", line 158, in lower_block
raise LoweringError(msg, inst.loc)
LoweringError: Internal error:
NotImplementedError: Unknown operator 'in'
File "<ipython-input-3-f51bcec7986c>", line 10
Failed at object (object mode backend)
Internal error:
NotImplementedError: Unknown operator 'in'
File "<ipython-input-3-f51bcec7986c>", line 10
对于遇到此错误的任何其他人：
in 运算符似乎在 numba 0.21 see changelog 版本之前没有完全实现。一旦 numba 更新，问题就不会发生。