You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
1.3 KiB
54 lines
1.3 KiB
# Copyright 2019 Huawei Technologies Co., Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
"""HswishGrad"""
|
|
import _akg.topi as topi
|
|
import _akg.tvm as tvm
|
|
|
|
|
|
def HswishGrad(y_grad, x):
|
|
"""
|
|
HswishGrad
|
|
Args:
|
|
y_grad:
|
|
x:
|
|
|
|
Returns:
|
|
|
|
"""
|
|
shape = x.shape
|
|
|
|
res0 = tvm.compute(shape, lambda *i: tvm.if_then_else(x(*i) <= -3, 0, y_grad(*i) * (2 * x(*i) + 3) / 6))
|
|
res6 = tvm.compute(shape, lambda *i: tvm.if_then_else(x(*i) >= 3, y_grad(*i), res0(*i)))
|
|
return res6
|
|
|
|
|
|
def gpu_schedule_HswishGrad(outs):
|
|
"""
|
|
gpu schedule HswishGrad
|
|
Args:
|
|
outs:
|
|
|
|
Returns:
|
|
|
|
"""
|
|
device = 'cuda'
|
|
ctx = tvm.context(device, 0)
|
|
if not ctx.exist:
|
|
raise SystemError("Skip because %s is not enabled" % device)
|
|
|
|
with tvm.target.create(device):
|
|
sch = topi.cuda.schedule_elemwise(outs)
|
|
return sch
|