optima2005 commented on issue #4418: [RUNTIME] Add cudnn conv3d URL: https://github.com/apache/incubator-tvm/pull/4418#issuecomment-559643997 @masahi , Thanks for the comments! I will revise them after I have fixed the pass array into C issue. I changed to use tvm.api.convert() solution, but still get below error: ``` self = <tvm._ffi.function.Function object at 0x3fff6d193318> args = ('int32', 'tvm_call_packed', ['tvm.contrib.cudnn.conv.forward', 1, 0, 0, 2, [1, 1], ...], 4, None, 0) temp_args = [["tvm.contrib.cudnn.conv.forward", 1, 0, 0, 2, [1, 1], [1, 1], [1, 1], tvm_stack_make_array(X, tvm_stack_make_shape(3...hape(16, 4, 3, 3), 0, 4, 0f, 0), tvm_stack_make_array(y, tvm_stack_make_shape(3, 16, 32, 32), 0, 4, 0f, 0), "float32"]] values = <tvm._ffi._ctypes.function.TVMValue_Array_6 object at 0x3fff693b8d90> tcodes = <tvm._ffi._ctypes.function.c_int_Array_6 object at 0x3fff693b8f28> def __call__(self, *args): """Call the function with positional arguments args : list The positional arguments to the function call. """ temp_args = [] values, tcodes, num_args = _make_tvm_args(args, temp_args) ret_val = TVMValue() ret_tcode = ctypes.c_int() if _LIB.TVMFuncCall( self.handle, values, tcodes, ctypes.c_int(num_args), ctypes.byref(ret_val), ctypes.byref(ret_tcode)) != 0: > raise get_last_ffi_error() E tvm._ffi.base.TVMError: Traceback (most recent call last): E [bt] (3) /host/root/ligc/tmp/incubator-tvm/build/libtvm.so(TVMFuncCall+0x90) [0x3fff8bd8de00] E [bt] (2) /host/root/ligc/tmp/incubator-tvm/build/libtvm.so(+0x3cc1dc) [0x3fff8b32c1dc] E [bt] (1) /host/root/ligc/tmp/incubator-tvm/build/libtvm.so(tvm::Array<tvm::Expr, void> tvm::runtime::TVMArgValue::AsObjectRef<tvm::Array<tvm::Expr, void> >() const+0x2ec) [0x3fff8b33a98c] E [bt] (0) /host/root/ligc/tmp/incubator-tvm/build/libtvm.so(dmlc::LogMessageFatal::~LogMessageFatal()+0x60) [0x3fff8b309980] E File "/host/root/ligc/tmp/incubator-tvm/include/tvm/packed_func_ext.h", line 140 E TVMError: Check failed: ObjectTypeChecker<TObjectRef>: :Check(ptr): Expected type List[Expr] but get Array python/tvm/_ffi/_ctypes/function.py:207: TVMError ``` I put the changes [here](https://github.com/optima2005/incubator-tvm/commit/983433fe7787a45b2a0994eebe5b3f8f2e1970aa), could you please provide advice?
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