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From "ASF subversion and git services (JIRA)" <>
Subject [jira] [Commented] (SINGA-383) Add Separable Convolution for autograd
Date Fri, 24 Aug 2018 02:59:00 GMT


ASF subversion and git services commented on SINGA-383:

Commit 8aac80e425d9a146f8a86b6e38a023edca542099 in incubator-singa's branch refs/heads/master
from xuewanqi
[;h=8aac80e ]

SINGA-383 Add Separable Convolution for autograd

- rename two functions, spacial_conv and depth_conv, in SeparableConv2d Layer.

> Add Separable Convolution for autograd
> --------------------------------------
>                 Key: SINGA-383
>                 URL:
>             Project: Singa
>          Issue Type: New Feature
>            Reporter: wangwei
>            Priority: Major
> This type of convolution is used in [Xception model|]
and is supported by [other libraries|[].]
> To implement it in Singa, we create a new operation (separable_conv_2d) by calling a
depthwise_conv_2d (normal convolution with number of output channels=1, and number of groups
= number of input channels); and then calling normal convolution with number of groups=1,
and kernel size=1, i.e. pointwise convolution.

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