[GitHub] XiaotaoChen closed pull request #11083: fix bug that running dot(csr.T, dns)=dns would told: storage type fallback detected

[GitBox <gi...@apache.org>]

XiaotaoChen closed pull request #11083: fix bug that running dot(csr.T, dns)=dns would told: storage type fallback detected
URL: https://github.com/apache/incubator-mxnet/pull/11083
 
 
   

This is a PR merged from a forked repository.
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diff --git a/src/operator/tensor/dot-inl.h b/src/operator/tensor/dot-inl.h
index 2c9a483567f..543004ae5ea 100644
--- a/src/operator/tensor/dot-inl.h
+++ b/src/operator/tensor/dot-inl.h
@@ -247,6 +247,11 @@ inline bool DotForwardInferStorageType(const nnvm::NodeAttrs& attrs,
       dispatched = storage_type_assign(&out_stype, kRowSparseStorage,
                                        dispatch_mode, DispatchMode::kFComputeEx);
     }
+    else if(target_stype == kDefaultStorage){
+      // csr.T, rsp/dns -> dns
+      dispatched = storage_type_assign(&out_stype, kDefaultStorage,
+                                       dispatch_mode, DispatchMode::kFComputeEx);
+    }
   }
   if (!dispatched && lhs_stype == kCSRStorage && rhs_rsp_or_dns &&
       !param.transpose_a && !param.transpose_b) {


 

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