Mercurial > pylearn

changeset 254:8ec867d12428

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optimication in CachedDataSet.minibatches_nowrap
author Frederic Bastien <bastienf@iro.umontreal.ca>
date Tue, 03 Jun 2008 13:24:41 -0400
parents 394e07e2b0fd
children bf0a1ebc6e52
files dataset.py
diffstat 1 files changed, 2 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/dataset.py	Tue Jun 03 13:23:28 2008 -0400
+++ b/dataset.py	Tue Jun 03 13:24:41 2008 -0400
@@ -1141,6 +1141,7 @@
           def __init__(self,dataset):
               self.dataset=dataset
               self.current=offset
+              self.all_fields = self.dataset.fieldNames()==fieldnames
           def __iter__(self): return self
           def next(self):
               upper = self.current+minibatch_size
@@ -1152,7 +1153,7 @@
               all_fields_minibatch = Example(self.dataset.fieldNames(),
                                              zip(*self.dataset.cached_examples[self.current:self.current+minibatch_size]))
               self.current+=minibatch_size
-              if self.dataset.fieldNames()==fieldnames:
+              if self.all_fields:
                   return all_fields_minibatch
               return Example(fieldnames,[all_fields_minibatch[name] for name in fieldnames])
       return CacheIterator(self)