Train GMM-UBM with multi core of CPU

[Nguyễn Cẩn]

I'm training ubm by:

gmm = bob.bio.gmm.algorithm.GMM(number_of_gaussians=2048)
gmm.train_ubm(features)

During training, bob.bio.gmm just use one core of my CPU.

Have any way to make bob.bio.gmm use all of my CPU's core?

Thanks.

[Tiago Freitas Pereira]

Hi Nguyen,

We have an open merge request to approach this in https://gitlab.idiap.ch/bob/bob.learn.em/merge_requests/16, but so far no time to implement it.

Sorry for that.

We do have this parallelization (map-reduce) implemented via `verify_gmm`. Have a look here https://www.idiap.ch/software/bob/docs/bob/bob.bio.gmm/stable/parallel.html.

(you would need to have your data organized as a database (https://www.idiap.ch/software/bob/docs/bob/bob.db.base/stable/index.html))

Cheers

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