ZhennanQin commented on issue #14093: MKLDNN Unsupported Dimension Bug URL: https://github.com/apache/incubator-mxnet/issues/14093#issuecomment-461687152 Thanks for reporting this. the error message `Unsupported MKLDNN dimensions: 3` is from ``` mkldnn_memory_format_t GetDefaultFormat(int num_dims) { switch (num_dims) { case 1: return mkldnn_x; case 2: return mkldnn_nc; case 3: return mkldnn_ncw; case 4: return mkldnn_nchw; case 5: return mkldnn_goihw; default: LOG(FATAL) << "Unsupported MKLDNN dimensions: " << num_dims; return mkldnn_format_undef; } } ``` If num_dims is 3, `mkldnn_ncw` should be returned. This is already fixed in master about a month ago. Can you have a try on the latest nightly build? @xinyu-intel Does this fix merge into 1.3.1?
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