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caching now resets cache on error

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Max Zwiessele 2014-03-13 12:29:14 +00:00
parent 3d6a69e5f0
commit c6b1f513d3
1 changed files with 27 additions and 23 deletions
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8
GPy/util/caching.py
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@ -52,6 +52,7 @@ class Cacher(object):
#if the result is cached, return the cached computation
state = [all(a is b for a, b in itertools.izip_longest(args, cached_i)) for cached_i in self.cached_inputs]
try:
if any(state):
i = state.index(True)
if self.inputs_changed[i]:
@ -68,13 +69,16 @@ class Cacher(object):
[a.remove_observer(self, self.on_cache_changed) for a in args_ if a is not None]
self.inputs_changed.pop(0)
self.cached_outputs.pop(0)
#compute
self.cached_inputs.append(oa_all)
self.cached_outputs.append(self.operation(*args, **kw))
self.inputs_changed.append(False)
[a.add_observer(self, self.on_cache_changed) for a in observable_args]
return self.cached_outputs[-1]#return
except:
raise
finally:
self.reset()
def on_cache_changed(self, arg):
"""
@ -84,7 +88,7 @@ class Cacher(object):
"""
self.inputs_changed = [any([a is arg for a in args]) or old_ic for args, old_ic in zip(self.cached_inputs, self.inputs_changed)]
def reset(self, obj):
def reset(self):
"""
Totally reset the cache
"""