pytorch/caffe2/python/helpers/pooling.py
Simon Layton 1d0ba2cfbd New cudnn ops
Summary:
cuDNN versions of dropout and LRN (for native fp16 support), port of Caffe's max pooling algo that uses an explicit mask to store locations (also supports fp16 storage)
Closes https://github.com/caffe2/caffe2/pull/396

Reviewed By: akyrola

Differential Revision: D4990880

Pulled By: asaadaldien

fbshipit-source-id: a716acffb656843e9b31e3e6808bd2d8aa959d03
2017-05-08 16:33:21 -07:00

39 lines
1.0 KiB
Python

## @package pooling
# Module caffe2.python.helpers.pooling
## @package fc
# Module caffe2.python.helpers.pooling
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
def max_pool(model, blob_in, blob_out, use_cudnn=False, order="NCHW", **kwargs):
"""Max pooling"""
if use_cudnn:
kwargs['engine'] = 'CUDNN'
return model.net.MaxPool(blob_in, blob_out, order=order, **kwargs)
def average_pool(model, blob_in, blob_out, use_cudnn=False, order="NCHW",
**kwargs):
"""Average pooling"""
if use_cudnn:
kwargs['engine'] = 'CUDNN'
return model.net.AveragePool(
blob_in,
blob_out,
order=order,
**kwargs
)
def max_pool_with_index(model, blob_in, blob_out, order="NCHW", **kwargs):
"""Max pooling with an explicit index of max position"""
return model.net.MaxPoolWithIndex(
blob_in,
[blob_out, blob_out + "_index"],
order=order,
**kwargs
)[0]