def sigmoid(x, use_cudnn=True):
    return Sigmoid(use_cudnn)(x)
Prepare the current transaction in progress for two phase commit.
dataset/ETHPy150Open pfnet/chainer/chainer/functions/activation/sigmoid.py/sigmoid--crossover with--dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/sqlalchemy/orm/session.py/Session.prepare