[GitHub] TaoLv commented on issue #11047: Enhance mkldnn pooling to support full convention

2018-06-04 Thread GitBox
TaoLv commented on issue #11047: Enhance mkldnn pooling to support full 
convention
URL: https://github.com/apache/incubator-mxnet/pull/11047#issuecomment-394284041
 
 
   Fix issue: https://github.com/apache/incubator-mxnet/issues/10092


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[GitHub] TaoLv commented on issue #11047: Enhance mkldnn pooling to support full convention

2018-06-04 Thread GitBox
TaoLv commented on issue #11047: Enhance mkldnn pooling to support full 
convention
URL: https://github.com/apache/incubator-mxnet/pull/11047#issuecomment-394283259
 
 
   @marcoabreu please help to review the new test case.


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[GitHub] TaoLv commented on issue #11047: Enhance mkldnn pooling to support full convention

2018-05-29 Thread GitBox
TaoLv commented on issue #11047: Enhance mkldnn pooling to support full 
convention
URL: https://github.com/apache/incubator-mxnet/pull/11047#issuecomment-392828895
 
 
   @zheng-da @pengzhao-intel @ashokei Please take a review.


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[GitHub] TaoLv commented on issue #11047: Enhance mkldnn pooling to support full convention

2018-05-25 Thread GitBox
TaoLv commented on issue #11047: Enhance mkldnn pooling to support full 
convention
URL: https://github.com/apache/incubator-mxnet/pull/11047#issuecomment-392113596
 
 
   @zheng-da I see. Will add test case later.


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[GitHub] TaoLv commented on issue #11047: Enhance mkldnn pooling to support full convention

2018-05-24 Thread GitBox
TaoLv commented on issue #11047: Enhance mkldnn pooling to support full 
convention
URL: https://github.com/apache/incubator-mxnet/pull/11047#issuecomment-391932978
 
 
   @zheng-da I notice there already has pooling test case for both kValid and 
kFull: 
https://github.com/apache/incubator-mxnet/blob/master/tests/python/gpu/test_operator_gpu.py#L558
   Do you think we still need another test cast for this PR?
   
   Pooling output shape is calculated with: 
   ```
   o_h = (i_h + pad_top + pad_bottom - k_h) / stride_h ) + 1
   o_w = (i_w + pad_left + pad_right - k_w) / stride_w ) + 1
   ```
   So if `i_h +pad_top + pad_bottom - k_h` is not divisible by `stride_h`, 
there will be two possible `o_h`. One is by rounding up (ceil, kFull) and the 
other is by rounding down (floor, kValid).
   In mkldnn, output shape is provided by user/developer during creating 
primitive/descriptor. mkldnn will check the provided output shape according to 
the given input shape, padding size, stride size, kernel size to see if they 
are matching (in a rounding down style).
   
   In mkldnn pooling operator, we need adjust (increase) padding size 
(especially for pad_right and pad_bottom) to make sure the output shape 
(calculated by infershape) matches those input shape, padding size, stride size 
and kernel size.


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[GitHub] TaoLv commented on issue #11047: Enhance mkldnn pooling to support full convention

2018-05-24 Thread GitBox
TaoLv commented on issue #11047: Enhance mkldnn pooling to support full 
convention
URL: https://github.com/apache/incubator-mxnet/pull/11047#issuecomment-391932978
 
 
   @zheng-da I notice there already has pooling test case for both kValid and 
kFull: 
https://github.com/apache/incubator-mxnet/blob/master/tests/python/gpu/test_operator_gpu.py#L558
   Do you think we still need another test cast for this PR?
   
   Pooling output shape is calculated with: 
   ```
   o_h = (i_h + pad_top + pad_bottom - k_h) / stride_h ) + 1
   o_w = (i_w + pad_left + pad_right - k_w) / stride_w ) + 1
   ```
   So if `i_h +pad_top + pad_bottom - k_h` is not divisible by `stride_h`, 
there will be two possible `o_h`. One is by rounding up (ceil, kFull) and the 
other is by rounding down (floor, kValid).
   In mkldnn, output shape is provided by user/developer during creating 
primitive/descriptor. mkldnn will check the provided output shape according to 
the given input shape, padding size, stride size, kernel size.
   
   In mkldnn pooling operator, we need adjust (increase) padding size 
(especially for pad_right and pad_bottom) to make sure the output shape 
(calculated by infershape) matches those input shape, padding size, stride size 
and kernel size.


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[GitHub] TaoLv commented on issue #11047: Enhance mkldnn pooling to support full convention

2018-05-24 Thread GitBox
TaoLv commented on issue #11047: Enhance mkldnn pooling to support full 
convention
URL: https://github.com/apache/incubator-mxnet/pull/11047#issuecomment-391932978
 
 
   @zheng-da I notice there already has pooling test case for both kValid and 
kFull: 
https://github.com/apache/incubator-mxnet/blob/master/tests/python/gpu/test_operator_gpu.py#L558
   Do you think we still another test cast for this PR?
   
   Pooling output shape is calculated with: 
   ```
   o_h = (i_h +pad_top + pad_bottom - k_h) / stride_h ) + 1
   o_w = (i_w +pad_left + pad_right - k_w) / stride_w ) + 1
   ```
   So if `i_h +pad_top + pad_bottom - k_h` is not divisible by `stride_h`, 
there will be two possible `o_h`. One is by rounding up (ceil, kFull) and the 
other is by rounding down (floor, kValid).
   In mkldnn, output shape is provided by user/developer during creating 
primitive/descriptor. mkldnn will check the provided output shape according to 
the given input shape, padding size, stride size, kernel size.
   
   In mkldnn pooling operator, we need adjust (increase) padding size 
(especially for pad_right and pad_bottom) to make sure the output shape 
(calculated by infershape) matches those input shape, padding size, stride size 
and kernel size.


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[GitHub] TaoLv commented on issue #11047: Enhance mkldnn pooling to support full convention

2018-05-24 Thread GitBox
TaoLv commented on issue #11047: Enhance mkldnn pooling to support full 
convention
URL: https://github.com/apache/incubator-mxnet/pull/11047#issuecomment-391932978
 
 
   @zheng-da I notice there already has pooling test case for both kValid and 
kFull: 
https://github.com/apache/incubator-mxnet/blob/master/tests/python/gpu/test_operator_gpu.py#L558
   Do you think we still another test cast for this PR?
   
   Pooling output shape is calculated with: 
   ```
   o_h = (i_h + pad_top + pad_bottom - k_h) / stride_h ) + 1
   o_w = (i_w + pad_left + pad_right - k_w) / stride_w ) + 1
   ```
   So if `i_h +pad_top + pad_bottom - k_h` is not divisible by `stride_h`, 
there will be two possible `o_h`. One is by rounding up (ceil, kFull) and the 
other is by rounding down (floor, kValid).
   In mkldnn, output shape is provided by user/developer during creating 
primitive/descriptor. mkldnn will check the provided output shape according to 
the given input shape, padding size, stride size, kernel size.
   
   In mkldnn pooling operator, we need adjust (increase) padding size 
(especially for pad_right and pad_bottom) to make sure the output shape 
(calculated by infershape) matches those input shape, padding size, stride size 
and kernel size.


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