[DGD] Hydra and parse_string

[bart at wotf.org]

On Sat, 01 Dec 2018 20:57:06 +0100, Felix A. Croes wrote
> bart at wotf.org wrote:
> 
> > Hi Felix,
> >
> > Out of curiosity, how does Hydra handle multiple threads calling some
> > centralized function that uses parse_string?
> >
> > From what I understand, parse_string builds its automatons on-the-fly, would
> > that result in rollbacks?
> 
> Updating the automatons counts as an object modification, so yes it
> could.  Eventually, as the automatons are fleshed out and most calls
> no longer result in an update, the rollbacks would desist.
> 

Thanks, that is quite the behavior I expected.

> If initial rollbacks are an issue, you could create a new parser object
> each time, have multiple parser objects, or train the parser with sample
> input in the beginning.

The later solution seems like a very good one to me for my use cases.

Bart.
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