netket.experimental.vqs.variables_from_file#
- netket.experimental.vqs.variables_from_file(filename, variables)[source]#
Loads the variables of a variational state from a .mpack file.
- Parameters:
- Returns:
a PyTree like variables
Examples
Serializing the data:
>>> import netket as nk >>> import flax >>> # construct an RBM model on 10 spins >>> vstate = nk.vqs.MCState( ... nk.sampler.MetropolisLocal(nk.hilbert.Spin(0.5)**10), ... nk.models.RBM()) >>> with open("test.mpack", 'wb') as file: ... bytes_written = file.write(flax.serialization.to_bytes(vstate.variables)) >>> print(bytes_written) 1052 >>> >>> # Deserialize the data >>> >>> del vstate >>> # construct an RBM model on 10 spins >>> vstate2 = nk.vqs.MCState( ... nk.sampler.MetropolisLocal(nk.hilbert.Spin(0.5)**10), ... nk.models.RBM()) >>> # Load the data by passing the model >>> vars = nk.experimental.vqs.variables_from_file("test.mpack", ... vstate2.variables) >>> # update the variables of vstate with the loaded data. >>> vstate2.variables = vars