$ artiq_client --server localhost set-dataset wall_v 0.5
Results in a change in the Dataset value as indicated in the GUI. But it
also changes the Persistent flag to N even if it was previously Y. It
should leave the Persistent flag unchanged.
$ artiq_client does not have an option for specifying persistence flag
Display of datasets for numpy arrays could give shape as string in GUI.
"numpy({})".format(numpy.shape(a))
On Mon, Oct 12, 2015 at 7:51 AM, Sébastien Bourdeauducq <s...@m-labs.hk>
wrote:
> Hi,
>
> ARTIQ now uses the single concept of "dataset" to manage the data
> exchanged with experiments, which we discussed briefly during the last
> visit.
>
> A dataset is created using the set_dataset() method of HasEnvironment,
> which takes a key/value pair. Its last arguments are flags that
> determine how the data is handled:
> * broadcast: the data is sent in real-time to the master, which
> dispatches it. set_dataset() returns a Notifier that can be used to
> mutate the dataset.
> * persist: the master should store the data on-disk (equivalent of a
> "parameter" in the previous API). Implies broadcast.
> * save: the data is saved into the local storage of the current run
> (which ends up archived as a HDF5 file).
>
> All combinations of those flags are supported.
>
> Datasets can be retrieved using the get_dataset() method. The local
> storage is searched first, followed by the master storage (which
> contains the broadcasted results from all experiments) if the key was
> not found.
>
> Any comments?
>
> Sébastien
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>
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