def cached_function(inputs, outputs):
import theano
with Message("Hashing theano fn"):
if hasattr(outputs, '__len__'):
hash_content = tuple(map(theano.pp, outputs))
else:
hash_content = theano.pp(outputs)
cache_key = hex(hash(hash_content) & (2**64 - 1))[:-1]
cache_dir = Path('~/.hierctrl_cache')
cache_dir = cache_dir.expanduser()
cache_dir.mkdir_p()
cache_file = cache_dir / ('%s.pkl' % cache_key)
if cache_file.exists():
with Message("unpickling"):
with open(cache_file, "rb") as f:
try:
return pickle.load(f)
except Exception:
pass
with Message("compiling"):
fun = compile_function(inputs, outputs)
with Message("picking"):
with open(cache_file, "wb") as f:
pickle.dump(fun, f, protocol=pickle.HIGHEST_PROTOCOL)
return fun
def compile_function(inputs=None, outputs=None, updates=None, givens=None, log_name=None, **kwargs):
import theano
if log_name:
msg = Message("Compiling function %s" % log_name)
msg.__enter__()
ret = theano.function(
inputs=inputs,
outputs=outputs,
updates=updates,
givens=givens,
on_unused_input='ignore',
allow_input_downcast=True,
**kwargs
)
if log_name:
msg.__exit__(None, None, None)
return ret
def compile_function(inputs=None, outputs=None, updates=None, givens=None, log_name=None, **kwargs):
import theano
if log_name:
msg = Message("Compiling function %s" % log_name)
msg.__enter__()
ret = theano.function(
inputs=inputs,
outputs=outputs,
updates=updates,
givens=givens,
on_unused_input='ignore',
allow_input_downcast=True,
**kwargs
)
if log_name:
msg.__exit__(None, None, None)
return ret