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From Sergio Fernández <wik...@apache.org>
Subject Re: backward compatibility of models saved with 1.2.0
Date Wed, 30 May 2018 00:29:28 GMT
Thanks Thomas for producing a minimal example to reproduce the issue.

On Tue, May 29, 2018 at 3:49 PM Thomas DELTEIL <thomas.delteil1@gmail.com>
wrote:

> Created a github issue detailing the problem with a reproducible example:
> https://github.com/apache/incubator-mxnet/issues/11091
>
> Thanks,
>
> Thomas
>
> 2018-05-29 11:50 GMT-07:00 Sergio Fernández <wikier@apache.org>:
>
> > Hi Mario,
> >
> > I can't give you much details. But it looks there is a bug exporting the
> > parameters' names to a JSON models.
> >
> > I wonder if anybody else in the community has faced this bug.
> >
> > Cheers,
> >
> >
> > On Mon, May 28, 2018 at 5:42 PM, Marco de Abreu <
> > marco.g.abreu@googlemail.com> wrote:
> >
> > > Hello Sergio,
> > >
> > > you are right. We are following semantic versioning and thus, every
> model
> > > produced within the same major version (e.g.1.x) has to be backwards
> > > compatible.
> > >
> > > Could you please provide a small example so we can reproduce this? We
> > > definitely do not want our users to retrain their model if they update
> > > MXNet. That's a serious issue and we'd love to follow up.
> > >
> > > Best regards,
> > > Marco
> > >
> > > Sergio Fernández <wikier@apache.org> schrieb am Di., 29. Mai 2018,
> > 02:35:
> > >
> > > > Hi,
> > > >
> > > > I can't find anything related on that in the 1.2.-0-incubating
> > changelog,
> > > > so I assume models produced by the latest version would be backward
> > > > compatible with old versions, such as 1.1.0. But we've found that the
> > > > parameter model produced is very different and doesn't load.
> > > >
> > > > Can you point me to any documentation that could help us to load the
> > > model
> > > > in 1.1.0 without re-training?
> > > >
> > > > Thanks.
> > > >
> > >
> >
>

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