Upgrade Marian to the latest version

[eu9ene]

No description provided.

[marco-c]

@ZJaume what were the recent improvements that could be good to use?

[ZJaume]

I think:

• Stable fp16 training.
• "Compute 8.6 support if using CUDA>=11.1" I'm surprised using marian without this fix hasn't given any compilation issues on the cluster.
• Ouptut sampling support, we could use it for backtranslation.
• Parallel data loading.
• Set different FFN size for the decoder.
• Force decoding?
• Some batch size related options to help training with more than 8 gpus.

See: https://github.com/marian-nmt/marian-dev/blob/master/CHANGELOG.md

[ZJaume]

So it seems that I was wrong and the pipeline is using Marian v1.12. Fetched and installed from here:

translations/taskcluster/kinds/fetch/toolchains.yml

Line 9 in 2eb3698

repo: https://github.com/marian-nmt/marian-dev

and not using the submodule that is pointing to v1.10: https://github.com/mozilla/translations/tree/2eb36983958147fec3ab223827aea2084379bc15/3rd_party

So I guess this can be closed?