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pickling and caching

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This commit is contained in:
Max Zwiessele 2014-03-31 12:45:09 +01:00
parent 60a071f18f
commit f3b74fa85f
28 changed files with 481 additions and 686 deletions
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19
GPy/kern/_src/kern.py
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@ -15,7 +15,6 @@ class Kern(Parameterized):
# found in kernel_slice_operations
__metaclass__ = KernCallsViaSlicerMeta
#===========================================================================
_debug=False
def __init__(self, input_dim, active_dims, name, *a, **kw):
"""
The base class for a kernel: a positive definite function
@ -175,22 +174,6 @@ class Kern(Parameterized):
#else: kernels.append(other)
return Prod([self, other], name)
def _getstate(self):
"""
Get the current state of the class,
here just all the indices, rest can get recomputed
"""
return super(Kern, self)._getstate() + [
self.active_dims,
self.input_dim,
self._sliced_X]
def _setstate(self, state):
self._sliced_X = state.pop()
self.input_dim = state.pop()
self.active_dims = state.pop()
super(Kern, self)._setstate(state)
class CombinationKernel(Kern):
"""
Abstract super class for combination kernels.
@ -220,7 +203,7 @@ class CombinationKernel(Kern):
def get_input_dim_active_dims(self, kernels, extra_dims = None):
active_dims = reduce(np.union1d, (np.r_[x.active_dims] for x in kernels), np.array([], dtype=int))
input_dim = active_dims.max()+1 + (len(extra_dims) if extra_dims is not None else 0)
input_dim = active_dims.max()+1 + (len(np.r_[extra_dims]) if extra_dims is not None else 0)
active_dims = slice(0, input_dim, 1)
return input_dim, active_dims