def is_gpu_machine(m):
return m[-4:] == '-gpu'
def non_comm_dag(dag):
""" Returns the computational core of dicdag. Cuts off send/recvs.
returns core-of-dicdag, {sent_variables}, {recved_variables}"""
non_comm = {k:v for k,v in dag.items()
if not issend(v['fn']) and not isrecv(v['fn'])}
sent_variables = {v['args'][0] for k, v in dag.items() if issend(v['fn'])}
recvd_variables = {k for k, v in dag.items() if isrecv(v['fn'])}
return non_comm, sent_variables, recvd_variables
inputs_of = lambda dag: dicdag.inputs_of( dicdag.dag_to_tdag(dag))
outputs_of = lambda dag: dicdag.outputs_of(dicdag.dag_to_tdag(dag))
def internal_gpu_theano_graph(dag):
"""
inputs - a dicdag with send/recvs
outputs -
gins/gots - a theano i/o graph with gpu variables and ops
# sents - tuple of sent gpu variables
# recvs - a tuple of recved gpu variables
"""
non_comm, sent, recved = non_comm_dag(dag)
inputs = inputs_of( non_comm)
outputs = outputs_of(non_comm)
def dag_to_theano_graph(dag, ith_output):
tdag = dicdag.dag_to_tdag(dag)
inputs = dicdag.inputs_of(tdag)
outputs = dicdag.outputs_of(tdag)
tins, touts = dicdag.tuple_dag_to_graph(tdag, inputs, outputs, ith_output)
return tins, touts
def non_comm_dag(dag):
""" Returns the computational core of dicdag. Cuts off send/recvs.
returns core-of-dicdag, {sent_variables}, {recved_variables}"""
non_comm = {
k: v
for k, v in dag.items() if not issend(v['fn']) and not isrecv(v['fn'])
}
sent_variables = {v['args'][0] for k, v in dag.items() if issend(v['fn'])}
recvd_variables = {k for k, v in dag.items() if isrecv(v['fn'])}
return non_comm, sent_variables, recvd_variables
inputs_of = lambda dag: dicdag.inputs_of(dicdag.dag_to_tdag(dag))
outputs_of = lambda dag: dicdag.outputs_of(dicdag.dag_to_tdag(dag))
def internal_gpu_theano_graph(dag):
"""
inputs - a dicdag with send/recvs
outputs -
gins/gots - a theano i/o graph with gpu variables and ops
# sents - tuple of sent gpu variables
# recvs - a tuple of recved gpu variables
"""
non_comm, sent, recved = non_comm_dag(dag)
inputs = inputs_of(non_comm)
outputs = outputs_of(non_comm)
def dag_to_theano_graph(dag, ith_output):
tdag = dicdag.dag_to_tdag(dag)
inputs = dicdag.inputs_of(tdag)
outputs = dicdag.outputs_of(tdag)
tins, touts = dicdag.tuple_dag_to_graph(tdag, inputs, outputs, ith_output)
return tins, touts
