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https://issues.apache.org/jira/browse/SYSTEMML-2299?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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LI Guobao updated SYSTEMML-2299:
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Description: The objective of “paramserv” built-in function is to update an
initial or existing model with configuration. An initial function signature
would be _model'=paramserv(model, X, y, X_val, y_val, upd=fun1, mode=SYNC,
freq=EPOCH, agg=fun2, epochs=100, batchsize=64, k=7, checkpointing=rollback)_.
We are interested in providing the model (which will be a struct-like data
structure consisting of the weights, the biases and the hyperparameters), the
training features and labels, the validation features and labels, the batch
update function (i.e., gradient calculation func), the update strategy (e.g.
sync, async, hogwild!, stale-synchronous), the update frequency (e.g. epoch or
mini-batch), the gradient aggregation function, the number of epoch, the batch
size, the degree of parallelism as well as the checkpointing strategy (e.g.
rollback recovery). And the function will return a trained model in struct
format. (was: The objective of “paramserv” built-in function is to update an
initial or existing model with configuration. An initial function signature
would be _model'=paramserv(model, X, y, X_val, y_val, upd=fun1, mode=SYNC,
freq=EPOCH, agg=fun2, epochs=100, batchsize=64, k=7, checkpointing=rollback)_.
We are interested in providing the model (which will be a struct-like data
structure consisting of the weights, the biases and the hyperparameters), the
training features and labels, the validation features and labels, the batch
update function, the update strategy (e.g. sync, async, hogwild!,
stale-synchronous), the update frequency (e.g. epoch or mini-batch), the
gradient aggregation function, the number of epoch, the batch size, the degree
of parallelism as well as the checkpointing strategy (e.g. rollback recovery).
And the function will return a trained model in struct format.)
> API design of the paramserv function
> ------------------------------------
>
> Key: SYSTEMML-2299
> URL: https://issues.apache.org/jira/browse/SYSTEMML-2299
> Project: SystemML
> Issue Type: Sub-task
> Reporter: LI Guobao
> Assignee: LI Guobao
> Priority: Major
>
> The objective of “paramserv” built-in function is to update an initial or
> existing model with configuration. An initial function signature would be
> _model'=paramserv(model, X, y, X_val, y_val, upd=fun1, mode=SYNC, freq=EPOCH,
> agg=fun2, epochs=100, batchsize=64, k=7, checkpointing=rollback)_. We are
> interested in providing the model (which will be a struct-like data structure
> consisting of the weights, the biases and the hyperparameters), the training
> features and labels, the validation features and labels, the batch update
> function (i.e., gradient calculation func), the update strategy (e.g. sync,
> async, hogwild!, stale-synchronous), the update frequency (e.g. epoch or
> mini-batch), the gradient aggregation function, the number of epoch, the
> batch size, the degree of parallelism as well as the checkpointing strategy
> (e.g. rollback recovery). And the function will return a trained model in
> struct format.
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