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Posted to issues@mxnet.apache.org by GitBox <gi...@apache.org> on 2020/09/27 01:42:55 UTC
[GitHub] [incubator-mxnet] lele012 opened a new issue #19234: import mxnet in arm64 error
lele012 opened a new issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234
## Description
This error occurred when I was using MXNET on ARM64。
“/usr/local/lib/python3.7/site-packages/mxnet/libmxnet.so”，but in the path，lib file(libmxnet.so) is existed.
I installed MXNET by "pip install mxnet"。Is there no ARM64 MXNET image on Dockerhub ？
### Error Message
root@face-6ff98747f6-rtl5n:/# python
Python 3.7.9 (default, Sep 10 2020, 15:29:47)
[GCC 8.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import mxnet as mx
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python3.7/site-packages/mxnet/__init__.py", line 24, in <module>
from .context import Context, current_context, cpu, gpu, cpu_pinned
File "/usr/local/lib/python3.7/site-packages/mxnet/context.py", line 24, in <module>
from .base import classproperty, with_metaclass, _MXClassPropertyMetaClass
File "/usr/local/lib/python3.7/site-packages/mxnet/base.py", line 214, in <module>
_LIB = _load_lib()
File "/usr/local/lib/python3.7/site-packages/mxnet/base.py", line 205, in _load_lib
lib = ctypes.CDLL(lib_path[0], ctypes.RTLD_LOCAL)
File "/usr/local/lib/python3.7/ctypes/__init__.py", line 364, in __init__
self._handle = _dlopen(self._name, mode)
OSError: /usr/local/lib/python3.7/site-packages/mxnet/libmxnet.so: cannot open shared object file: No such file or directory
>>>
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[GitHub] [incubator-mxnet] leoaaaaaaa commented on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
leoaaaaaaa commented on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-923636931
@nirantarashwin Have you built it on arm64 successfully?
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[GitHub] [incubator-mxnet] leezu commented on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
leezu commented on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-708597468
You can follow the normal build-from-source instructions @nirantarashwin. If you like to do cross-compile, you can set up your environment by following https://github.com/apache/incubator-mxnet/blob/12ec04611c78a603c03707488d66bdbbedf0d536/ci/docker/Dockerfile.build.arm#L109-L128
and pass the `-DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}` argument to cmake when configuring the compilation.
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[GitHub] [incubator-mxnet] leoaaaaaaa edited a comment on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
leoaaaaaaa edited a comment on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-923636931
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[GitHub] [incubator-mxnet] leoaaaaaaa commented on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
leoaaaaaaa commented on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-923637250
@szha Have we already released the arm64 build?
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[GitHub] [incubator-mxnet] github-actions[bot] commented on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-699571419
Welcome to Apache MXNet (incubating)! We are on a mission to democratize AI, and we are glad that you are contributing to it by opening this issue.
Please make sure to include all the relevant context, and one of the @apache/mxnet-committers will be here shortly.
If you are interested in contributing to our project, let us know! Also, be sure to check out our guide on [contributing to MXNet](https://mxnet.apache.org/community/contribute) and our [development guides wiki](https://cwiki.apache.org/confluence/display/MXNET/Developments).
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[GitHub] [incubator-mxnet] lele012 commented on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
lele012 commented on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-699572170
@szha Ok，i know ，thanks。Later，i will try to build from source.
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[GitHub] [incubator-mxnet] mseth10 commented on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
mseth10 commented on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-1016883234
Hi @Tomaubier , here's the public MXNet 1.9 wheel that supports aarch64 https://repo.mxnet.io/dist/python/cpu/mxnet-1.9.0-py3-none-manylinux2014_aarch64.whl . Currently it takes ArmPL as a dependency, so you need to install ArmPL corresponding to your OS from here https://developer.arm.com/tools-and-software/server-and-hpc/downloads/arm-performance-libraries
For example, these worked for me on rhel7
```
# install Arm Performance Libraries
wget https://developer.arm.com/-/media/Files/downloads/hpc/arm-performance-libraries/21-1-0/RHEL7/arm-performance-libraries_21.1_RHEL-7_gcc-8.2.tar?revision=d6133508-1bcc-4fca-aeb1-4bba06d3898f
tar -xvf arm-performance-libraries_21.1_RHEL-7_gcc-8.2.tar\?revision\=d6133508-1bcc-4fca-aeb1-4bba06d3898f
sudo arm-performance-libraries_21.1_RHEL-7_gcc-8.2/arm-performance-libraries_21.1_RHEL-7.sh -a
export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:/opt/arm/armpl_21.1_gcc-8.2/lib
# Install MXNet that takes Arm PL as a dependency
wget https://repo.mxnet.io/dist/python/cpu/mxnet-1.9.0-py3-none-manylinux2014_aarch64.whl
python3 -c 'import mxnet'
```
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[GitHub] [incubator-mxnet] sandeep-krishnamurthy commented on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
sandeep-krishnamurthy commented on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-699575724
@mseth10 @josephevans
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[GitHub] [incubator-mxnet] szha commented on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
szha commented on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-699571539
@lele012 at the moment users need to build from source for arm support. We are planning on adding official arm support in near future. cc @sandeep-krishnamurthy
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[GitHub] [incubator-mxnet] chenx2018 commented on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
chenx2018 commented on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-1086476829
any updates?
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[GitHub] [incubator-mxnet] xintin commented on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
xintin commented on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-926639928
@szha @nirantarashwin Is there any update on the official support for mxnet whl for arm CPU? Also, build from source instructions available at https://mxnet.apache.org/versions/1.8.0/get_started/build_from_source are not proper! It says `python3 -m pip install --user -e ./python` without other `make ` or build instructions.
Can you provide more details on this, please?
Thank you.
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[GitHub] [incubator-mxnet] Tomaubier commented on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
Tomaubier commented on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-1011257482
Any update on this?
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[GitHub] [incubator-mxnet] nirantarashwin commented on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
nirantarashwin commented on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-708601279
> You can follow the normal build-from-source instructions @nirantarashwin. If you like to do cross-compile, you can set up your environment by following
>
> https://github.com/apache/incubator-mxnet/blob/12ec04611c78a603c03707488d66bdbbedf0d536/ci/docker/Dockerfile.build.arm#L109-L128
>
>
> and pass the `-DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}` argument to cmake when configuring the compilation.
Got it. Thank you very much :)
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[GitHub] [incubator-mxnet] szha edited a comment on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
szha edited a comment on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-699571539
@lele012 at the moment users need to build from source for arm support. The one available on pip should be for amd64 only. We are planning on adding official arm support in near future. cc @sandeep-krishnamurthy
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[GitHub] [incubator-mxnet] nirantarashwin commented on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
nirantarashwin commented on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-708561341
> @lele012 at the moment users need to build from source for arm support. The one available on pip should be for amd64 only. We are planning on adding official arm support in near future. cc @sandeep-krishnamurthy
Is there a link to building it from source for arm64?
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[GitHub] [incubator-mxnet] leoaaaaaaa edited a comment on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
leoaaaaaaa edited a comment on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-923637250
@szha Have we already released the arm64 build? thanks
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[GitHub] [incubator-mxnet] szha commented on issue #19234: import mxnet in arm64 error
Posted by GitBox <gi...@apache.org>.
szha commented on issue #19234:
URL: https://github.com/apache/incubator-mxnet/issues/19234#issuecomment-927316979
@mseth10 worked on arm build and may be able to provide update
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