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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2020/06/15 20:44:40 UTC
[GitHub] [incubator-mxnet] stu1130 opened a new issue #18569: [Numpy] softmax, logsoftmax failed on empty ndarray
stu1130 opened a new issue #18569:
URL: https://github.com/apache/incubator-mxnet/issues/18569
## Description
latest mxnet pip wheel
```
import mxnet as mx
from mxnet import npx
npx.set_np()
a = mx.np.array([]).reshape(2, 1, 0)
b = mx.npx.softmax(a)
b.wait_to_read()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/ubuntu/.local/lib/python3.5/site-packages/mxnet/ndarray/ndarray.py", line 2353, in wait_to_read
check_call(_LIB.MXNDArrayWaitToRead(self.handle))
File "/home/ubuntu/.local/lib/python3.5/site-packages/mxnet/base.py", line 255, in check_call
raise MXNetError(py_str(_LIB.MXGetLastError()))
mxnet.base.MXNetError: [20:43:29] src/ndarray/ndarray.cc:507: Check failed: delay_alloc:
Stack trace:
[bt] (0) /home/ubuntu/.local/lib/python3.5/site-packages/mxnet/libmxnet.so(+0x6d554b) [0x7efe143bd54b]
[bt] (1) /home/ubuntu/.local/lib/python3.5/site-packages/mxnet/libmxnet.so(mxnet::NDArray::Chunk::SetMKLMem(mxnet::TShape const&, int)+0x7b2) [0x7efe177b2082]
[bt] (2) /home/ubuntu/.local/lib/python3.5/site-packages/mxnet/libmxnet.so(mxnet::NDArray::GetMKLDNNData() const+0x70) [0x7efe177b6ae0]
[bt] (3) /home/ubuntu/.local/lib/python3.5/site-packages/mxnet/libmxnet.so(mxnet::op::MKLDNNSoftmaxForward(nnvm::NodeAttrs const&, mxnet::OpContext const&, mxnet::NDArray const&, mxnet::OpReqType const&, mxnet::NDArray const&)+0x564) [0x7efe14466a24]
[bt] (4) /home/ubuntu/.local/lib/python3.5/site-packages/mxnet/libmxnet.so(+0x115e4bd) [0x7efe14e464bd]
[bt] (5) /home/ubuntu/.local/lib/python3.5/site-packages/mxnet/libmxnet.so(mxnet::imperative::PushFComputeEx(std::function<void (nnvm::NodeAttrs const&, mxnet::OpContext const&, std::vector<mxnet::NDArray, std::allocator<mxnet::NDArray> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::NDArray, std::allocator<mxnet::NDArray> > const&)> const&, nnvm::Op const*, nnvm::NodeAttrs const&, mxnet::Context const&, std::vector<mxnet::engine::Var*, std::allocator<mxnet::engine::Var*> > const&, std::vector<mxnet::engine::Var*, std::allocator<mxnet::engine::Var*> > const&, std::vector<mxnet::Resource, std::allocator<mxnet::Resource> > const&, std::vector<mxnet::NDArray*, std::allocator<mxnet::NDArray*> > const&, std::vector<mxnet::NDArray*, std::allocator<mxnet::NDArray*> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&)::{lambda(mxnet::RunContext)#1}::operator()(mxnet::RunContext) const+0x3c4) [0x7efe1765e4f4]
[bt] (6) /home/ubuntu/.local/lib/python3.5/site-packages/mxnet/libmxnet.so(+0x3895c84) [0x7efe1757dc84]
[bt] (7) /home/ubuntu/.local/lib/python3.5/site-packages/mxnet/libmxnet.so(+0x38a3c31) [0x7efe1758bc31]
[bt] (8) /home/ubuntu/.local/lib/python3.5/site-packages/mxnet/libmxnet.so(+0x38a6fa4) [0x7efe1758efa4]
```
The root cause should be missing proper zero-dim ndarray handle on the kernel.
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[GitHub] [incubator-mxnet] TaoLv closed issue #18569: [Numpy] softmax, logsoftmax failed on empty ndarray
Posted by GitBox <gi...@apache.org>.
TaoLv closed issue #18569:
URL: https://github.com/apache/incubator-mxnet/issues/18569
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[GitHub] [incubator-mxnet] pengzhao-intel commented on issue #18569: [Numpy] softmax, logsoftmax failed on empty ndarray
Posted by GitBox <gi...@apache.org>.
pengzhao-intel commented on issue #18569:
URL: https://github.com/apache/incubator-mxnet/issues/18569#issuecomment-645106526
Our team will take a look if this is related to MKL integration. Thanks report the issue @stu1130
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