add spp（Spatial pyramid pooling ） op #6204

Merged

sweetsky0901 merged 10 commits intoPaddlePaddle:developfrom sweetsky0901:my_spp_op

Dec 18, 2017

+351

Commits on Dec 3, 2017

add spp op only can test ok
sweetsky0901
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Merge branch 'develop' of https://github.com/PaddlePaddle/Paddle into my_spp_op
sweetsky0901
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gpu test ok
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Commits on Dec 4, 2017

modify some doc
sweetsky0901
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Merge branch 'develop' of https://github.com/PaddlePaddle/Paddle into my_spp_op
sweetsky0901
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fix a bug
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Commits on Dec 13, 2017

Merge branch 'develop' of https://github.com/PaddlePaddle/Paddle into my_spp_op
sweetsky0901
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for code review by zhaolong
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Commits on Dec 17, 2017

add spp avg
sweetsky0901
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Merge branch 'develop' of https://github.com/PaddlePaddle/Paddle into my_spp_op
sweetsky0901
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