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From Markus Weimer <wei...@apache.org>
Subject Re: [VOTE] Release Apache MXNet (incubating) version 1.6.0.rc2
Date Wed, 05 Feb 2020 19:06:24 GMT
Hi,

I was trying to follow the build instructions[0] on Ubuntu 18.04.
However, I a stumped at step 2:

`cp config/config.cmake config.cmake`

The file `cmake.conf` does not seem to exist in the tarball on the
dist sit. `find . -name "cmake.conf" -print` finds nothing. In fact,
the `config` folder doesn't seem to exist in the tarball either.
However, the file and folder do exist on GitHub[1]. Are the build
instructions for a release different from the build from the
repository?

On a related note: It might make sense to package build instructions
with the source release. Websites get updated to reflect current use,
and it might be difficult for future users of this version of mxnet to
piece together the build instructions.

Thanks,

Markus


[0]: https://mxnet.apache.org/get_started/ubuntu_setup
[1]: https://github.com/apache/incubator-mxnet/tree/master/config

On Tue, Feb 4, 2020 at 3:05 PM Lausen, Leonard
<lausen@amazon.com.invalid> wrote:
>
> Using latest upstream jemalloc
> https://github.com/leezu/mxnet/commit/fd4c78a635087f6164344da53a55ba2b67da2fd2
> fixes the issue.
>
> However, there were concerns that this commit relies on unreleased development
> features of jemalloc (jemalloc cmake build system support) and we'll not merge
> this commit until upstream releases cmake build system support in a release.
>
> In the meantime anyone is welcome to work on an equivalent patch based on the
> custom build system in latest stable jemalloc.
>
> On Tue, 2020-02-04 at 22:46 +0000, Lausen, Leonard wrote:
> > Bisect identifies
> > https://github.com/apache/incubator-mxnet/commit/425319cb59904573bd3fe1b6fe0a7381eceb9bbd
> >
> > Thus this is an issue with jemalloc + llvm libopemnp.
> >
> > The correct reproducer for latest master branch is
> >
> >
> >   git clone --recursive https://github.com/apache/incubator-mxnet/ mxnet
> >   cd mxnet
> >   git checkout a726c406964b9cd17efa826738a662e09d973972 # workaround
> > https://github.com/apache/incubator-mxnet/issues/17514
> >   mkdir build; cd build;
> >   cmake -DUSE_CPP_PACKAGE=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo -GNinja
> > -DUSE_CUDA=OFF -DUSE_JEMALLOC=ON ..
> >   ninja
> >   ./cpp-package/example/test_regress_label  # run a 2-3 times to reproduce
> >
> > Let's move the discussion to about fixing the jemalloc, openmp incompatibility
> > to https://github.com/apache/incubator-mxnet/issues/17043
> >
> >
> >
> > @Chris, could you look into this issue as it only happens with LLVM OpenMP?
> >
> >
> >
> > @Przemek: For 1.6.0 releas notes I suggest include recommendation to set
> > USE_JEMALLOC=OFF when compiling from source.
> >
> > This note should probably be added in any case, as building with
> > USE_JEMALLOC=ON
> > is broken on Ubuntu Ubuntu 18.10 and higher, as well as Debian Stable.
> >
> > Given these release notes, +1 for the release.
> >
> >
> > Best regards
> > Leonard
> >
> > On Tue, 2020-02-04 at 22:26 +0000, Lausen, Leonard wrote:
> > > Actually below reproducer is wrong. The issue was apparently fixed on master
> > > recently. I'm running an automated bisect and will report the result later.
> > >
> > > On Tue, 2020-02-04 at 21:44 +0000, Lausen, Leonard wrote:
> > > > Hi Chris,
> > > >
> > > > you previously found and fixed a OMP race condition during fork at
> > > > https://github.com/apache/incubator-mxnet/pull/17039
> > > >
> > > > This time no forks are involved. Could you run the following reproducer
on
> > > > master branch:
> > > >
> > > >   git clone --recursive https://github.com/apache/incubator-mxnet/ mxnet
> > > >   cd mxnet
> > > >   git checkout a726c406964b9cd17efa826738a662e09d973972 # workaround
> > > > https://github.com/apache/incubator-mxnet/issues/17514
> > > >   mkdir build; cd build;
> > > >   cmake -DUSE_CPP_PACKAGE=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo -GNinja
> > > > -DUSE_CUDA=OFF ..
> > > >   ninja
> > > >   ./cpp-package/example/test_regress_label  # run a 2-3 times to reproduce
> > > >
> > > >
> > > > As you are OpenMP expert, you may be able to identify the root cause withe
> > > > relative ease.
> > > >
> > > > Thank you,
> > > >
> > > > Leonard
> > > >
> > > > On Tue, 2020-02-04 at 11:06 -0800, Chris Olivier wrote:
> > > > > When "fixing", please "fix" through actual root-cause analysis (use
gdb,
> > > > > for instance) and not simply by guesswork and cutting out things
which
> > > > > probably aren't actually at fault (blaming an OMP library that's
in
> > > > > worldwide distribution int he billions should be treated with great
> > > > > skepticism).
> > > > >
> > > > > On Tue, Feb 4, 2020 at 10:44 AM Lin Yuan <apeforest@gmail.com>
wrote:
> > > > >
> > > > > > Pedro,
> > > > > >
> > > > > > While I agree with you we need to fix this usability issue,
I don't
> > > > > > think
> > > > > > this is a release blocker as Przemek mentioned above. Could
we fix
> > > > > > this
> > > > > > in
> > > > > > the next minor release?
> > > > > >
> > > > > > Thanks,
> > > > > >
> > > > > > Lin
> > > > > >
> > > > > > On Tue, Feb 4, 2020 at 10:38 AM Pedro Larroy <
> > > > > > pedro.larroy.lists@gmail.com
> > > > > > wrote:
> > > > > >
> > > > > > > Right. Would it be possible to have the CMake build also
use libgomp
> > > > > > > for
> > > > > > > consistency with the releases until these issues are resolved?
> > > > > > > This can affect anyone compiling the distribution with
CMake and
> > > > > > > also
> > > > > > > happens randomly in CI, worsening the contributor experience
due to
> > > > > > > CI
> > > > > > > failures.
> > > > > > >
> > > > > > > On Tue, Feb 4, 2020 at 9:33 AM Przemysław Trędak <ptrendx@apache.org
> > > > > > > >
> > > > > > > wrote:
> > > > > > >
> > > > > > > > Hi Pedro,
> > > > > > > >
> > > > > > > > From the issue that you linked it seems that you are
using the
> > > > > > > > LLVM
> > > > > > > > OpenMP, whereas I believe the actual release uses
libgomp (at
> > > > > > > > least
> > > > > > > that's
> > > > > > > > what seems to be the conclusion from this issue:
> > > > > > > > https://github.com/apache/incubator-mxnet/issues/16891)?
> > > > > > > >
> > > > > > > > Przemek
> > > > > > > >
> > > > > > > > On 2020/02/04 03:42:30, Pedro Larroy <pedro.larroy.lists@gmail.com
> > > > > > > > >
> > > > > > > > wrote:
> > > > > > > > > -1
> > > > > > > > >
> > > > > > > > > Unit tests passed in CPU build.
> > > > > > > > >
> > > > > > > > > I observe crashes related to openmp using cpp
unit tests:
> > > > > > > > >
> > > > > > > > > https://github.com/apache/incubator-mxnet/issues/17043
> > > > > > > > >
> > > > > > > > > Pedro.
> > > > > > > > >
> > > > > > > > > On Mon, Feb 3, 2020 at 6:44 PM Chaitanya Bapat
<
> > > > > > > > > chai.bapat@gmail.com
> > > > > > > > wrote:
> > > > > > > > > > +1
> > > > > > > > > > Successfully built MXNet 1.6.0rc2 on Linux
> > > > > > > > > > Tested for OpPerf utility
> > > > > > > > > > For CPU -
> > > > > > > > > >
> > > > > > https://gist.github.com/ChaiBapchya/d5ecc3e971c5a3c558d672477b4b6b9c
> > > > > > > > > > Works well!
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > On Mon, 3 Feb 2020 at 15:43, Lin Yuan <apeforest@gmail.com>
> > > > > > > > > > wrote:
> > > > > > > > > >
> > > > > > > > > > > +1
> > > > > > > > > > >
> > > > > > > > > > > Tested Horovod with mnist example.
My compiler flags are
> > > > > > > > > > > below:
> > > > > > > > > > >
> > > > > > > > > > > [✔ CUDA, ✔ CUDNN, ✔ NCCL, ✔
CUDA_RTC, ✖ TENSORRT, ✔ CPU_SSE,
> > > > > > > > > > > ✔
> > > > > > > > CPU_SSE2,
> > > > > > > > > > ✔
> > > > > > > > > > > CPU_SSE3, ✔ CPU_SSE4_1, ✔ CPU_SSE4_2,
✖ CPU_SSE4A, ✔
> > > > > > > > > > > CPU_AVX,
> > > > > > > > > > > ✖
> > > > > > > > > > CPU_AVX2, ✔
> > > > > > > > > > > OPENMP, ✖ SSE, ✔ F16C, ✖ JEMALLOC,
✔ BLAS_OPEN, ✖
> > > > > > > > > > > BLAS_ATLAS,
> > > > > > > > > > > ✖
> > > > > > > > > > BLAS_MKL, ✖
> > > > > > > > > > > BLAS_APPLE, ✔ LAPACK, ✖ MKLDNN,
✔ OPENCV, ✖ CAFFE, ✖
> > > > > > > > > > > PROFILER,
> > > > > > > > > > > ✔
> > > > > > > > > > > DIST_KVSTORE, ✖ CXX14, ✖ INT64_TENSOR_SIZE,
✖
> > > > > > > > > > > SIGNAL_HANDLER,
> > > > > > > > > > > ✖
> > > > > > > > DEBUG, ✖
> > > > > > > > > > > TVM_OP]
> > > > > > > > > > >
> > > > > > > > > > > Lin
> > > > > > > > > > >
> > > > > > > > > > > On Sat, Feb 1, 2020 at 9:55 PM Tao
Lv <taolv@apache.org>
> > > > > > > > > > > wrote:
> > > > > > > > > > >
> > > > > > > > > > > > +1
> > > > > > > > > > > >
> > > > > > > > > > > > I tested below items:
> > > > > > > > > > > > 1. download artifacts from Apache
dist repo;
> > > > > > > > > > > > 2. the signature looks good;
> > > > > > > > > > > > 3. build from source code with
MKL-DNN and MKL on centos;
> > > > > > > > > > > > 4. run fp32 and int8 inference
of ResNet50 under
> > > > > > > > > > /example/quantization/.
> > > > > > > > > > > > thanks,
> > > > > > > > > > > > -tao
> > > > > > > > > > > >
> > > > > > > > > > > > On Sun, Feb 2, 2020 at 11:00 AM
Tao Lv <taolv@apache.org>
> > > > > > wrote:
> > > > > > > > > > > > > I see. I was looking at this
page:
> > > > > > > > > > > > >
> > > > > > > https://github.com/apache/incubator-mxnet/releases/tag/1.6.0.rc2
> > > > > > > > > > > > > On Sun, Feb 2, 2020 at 4:54
AM Przemysław Trędak <
> > > > > > > > ptrendx@apache.org
> > > > > > > > > > > > > wrote:
> > > > > > > > > > > > >
> > > > > > > > > > > > > > Hi Tao,
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > Could you tell me where
did you look for it and did
> > > > > > > > > > > > > > not
> > > > > > > > > > > > > > find
> > > > > > > > it? I
> > > > > > > > > > > just
> > > > > > > > > > > > > > checked and both
> > > > > > > > > > > > > >
> > > > > > > > https://dist.apache.org/repos/dist/dev/incubator/mxnet/1.6.0.rc2/
> > > > > > > > > > and
> > > > > > > > > > > > > > draft of the release
on GitHub have them.
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > Thank you
> > > > > > > > > > > > > > Przemek
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > On 2020/02/01 14:23:11,
Tao Lv <taolv@apache.org>
> > > > > > > > > > > > > > wrote:
> > > > > > > > > > > > > > > It seems the src
tar and signature are missing from
> > > > > > > > > > > > > > > the
> > > > > > tag.
> > > > > > > > > > > > > > > On Fri, Jan 31,
2020 at 11:09 AM Przemysław Trędak <
> > > > > > > > > > > > ptrendx@apache.org>
> > > > > > > > > > > > > > > wrote:
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > Dear MXNet
community,
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > This is the
vote to release Apache MXNet
> > > > > > > > > > > > > > > > (incubating)
> > > > > > > > version
> > > > > > > > > > > 1.6.0.
> > > > > > > > > > > > > > > > Voting starts
today and will close on Monday
> > > > > > > > > > > > > > > > 2/3/2020
> > > > > > > 23:59
> > > > > > > > PST.
> > > > > > > > > > > > > > > > Link to release
notes:
> > > > > > > > > > > > > > > >
> > > > > > > > https://cwiki.apache.org/confluence/display/MXNET/1.6.0+Release+notes
> > > > > > > > > > > > > > > > Link to release
candidate:
> > > > > > > > > > > > > > > >
> > > > > > > > > > https://github.com/apache/incubator-mxnet/releases/tag/1.6.0.rc2
> > > > > > > > > > > > > > > > Link to source
and signatures on apache dist
> > > > > > > > > > > > > > > > server:
> > > > > > > > > > > > > > > >
> > > > > > > > > > https://dist.apache.org/repos/dist/dev/incubator/mxnet/1.6.0.rc2/
> > > > > > > > > > > > > > > > The differences
comparing to previous release
> > > > > > > > > > > > > > > > candidate
> > > > > > > > > > 1.6.0.rc1:
> > > > > > > > > > > > > > > >  * Fixes for
license issues (#17361, #17375,
> > > > > > > > > > > > > > > > #17370,
> > > > > > > #17460)
> > > > > > > > > > > > > > > >  * Bugfix
for saving LSTM layer parameter (#17288)
> > > > > > > > > > > > > > > >  * Bugfix
for downloading the model from model zoo
> > > > > > > > > > > > > > > > from
> > > > > > > > multiple
> > > > > > > > > > > > > > processes
> > > > > > > > > > > > > > > > (#17372)
> > > > > > > > > > > > > > > >  * Fixed a
symbol.py in AMP for GluonNLP (#17408)
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > Please remember
to TEST first before voting
> > > > > > > > > > > > > > > > accordingly:
> > > > > > > > > > > > > > > > +1 = approve
> > > > > > > > > > > > > > > > +0 = no opinion
> > > > > > > > > > > > > > > > -1 = disapprove
(provide reason)
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > Best regards,
> > > > > > > > > > > > > > > > Przemyslaw
Tredak
> > > > > > > > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > --
> > > > > > > > > > *Chaitanya Prakash Bapat*
> > > > > > > > > > *+1 (973) 953-6299*
> > > > > > > > > >
> > > > > > > > > > [image: https://www.linkedin.com//in/chaibapat25]
> > > > > > > > > > <https://github.com/ChaiBapchya>[image:
> > > > > > > > https://www.facebook.com/chaibapat
> > > > > > > > > > ]
> > > > > > > > > > <https://www.facebook.com/chaibapchya>[image:
> > > > > > > > > > https://twitter.com/ChaiBapchya] <
> > > > > > > > > > https://twitter.com/ChaiBapchya
> > > > > > > > > [image:
> > > > > > > > > > https://www.linkedin.com//in/chaibapat25]
> > > > > > > > > > <https://www.linkedin.com//in/chaibapchya/>
> > > > > > > > > >

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