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fix add kernel and VarDTC_minibatch speed tuning

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Zhenwen Dai 2014-07-01 18:01:33 +01:00
parent 129985998c
commit 216de32c0c
3 changed files with 18 additions and 9 deletions
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7
GPy/kern/_src/add.py
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@ -63,13 +63,16 @@ class Add(CombinationKernel):
target = np.zeros(X.shape)
[target.__iadd__(p.gradients_X_diag(dL_dKdiag, X)) for p in self.parts]
return target
@Cache_this(limit=2, force_kwargs=['which_parts'])
def psi0(self, Z, variational_posterior):
return reduce(np.add, (p.psi0(Z, variational_posterior) for p in self.parts))
@Cache_this(limit=2, force_kwargs=['which_parts'])
def psi1(self, Z, variational_posterior):
return reduce(np.add, (p.psi1(Z, variational_posterior) for p in self.parts))
@Cache_this(limit=2, force_kwargs=['which_parts'])
def psi2(self, Z, variational_posterior):
psi2 = reduce(np.add, (p.psi2(Z, variational_posterior) for p in self.parts))
#return psi2