piiswrong commented on a change in pull request #8662: 2bit gradient compression
URL: https://github.com/apache/incubator-mxnet/pull/8662#discussion_r151229359
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File path: src/kvstore/comm.h
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@@ -630,6 +699,12 @@ class CommDevice : public Comm {
NDArray merged;
/// \brief the gpu buffer
std::vector<NDArray> copy_buf;
+ /// \brief the residual buffer for gradient compression
+ std::vector<NDArray> residual;
+ /// \brief the small buffer for compressed data in sender
+ std::vector<NDArray> small_send_buf;
Review comment:
compressed_send_buf
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