Zha0q1 commented on a change in pull request #19340:
URL: https://github.com/apache/incubator-mxnet/pull/19340#discussion_r504274955



##########
File path: src/operator/numpy/np_insert_op_tensor-inl.h
##########
@@ -175,34 +175,34 @@ void NumpyInsertTensorCompute(const nnvm::NodeAttrs& 
attrs,
   } else {
     // broadcast check
     for (int i = outshape.ndim() - 1; i >= 0; --i) {
-      int sz = outshape[i];
+      size_t sz = outshape[i];
       if (i == axis) {
         sz = numnew;
       }
       CHECK((values.shape_[i] == 1) || (values.shape_[i] == sz));
     }
     size_t temp_storage_bytes, temp_mem_size;
-    temp_storage_bytes = SortByKeyWorkspaceSize<int64_t, int, 
xpu>(indices_len, false, true);
+    temp_storage_bytes = SortByKeyWorkspaceSize<int64_t, index_t, 
xpu>(indices_len, false, true);
     temp_mem_size = indices_len * sizeof(int64_t) * 2 +
-                    indices_len * sizeof(int) +
-                    outshape[axis] * sizeof(int) * 2 +
+                    indices_len * sizeof(index_t) +
+                    outshape[axis] * sizeof(index_t) * 2 +
                     temp_storage_bytes;
     Tensor<xpu, 1, char> temp_mem =
       ctx.requested[0].get_space_typed<xpu, 1, char>(Shape1(temp_mem_size), s);
     int64_t* indices_ptr = reinterpret_cast<int64_t*>(temp_mem.dptr_);
     int64_t* sorted_indices_ptr = reinterpret_cast<int64_t*>(indices_ptr + 
indices_len);
-    int* order_ptr = reinterpret_cast<int*>(sorted_indices_ptr + indices_len);
-    int* is_insert = reinterpret_cast<int*>(order_ptr + indices_len);
-    int* origin_idx = reinterpret_cast<int*>(is_insert + outshape[axis]);
+    index_t* order_ptr = reinterpret_cast<index_t*>(sorted_indices_ptr + 
indices_len);
+    index_t* is_insert = reinterpret_cast<index_t*>(order_ptr + indices_len);
+    index_t* origin_idx = reinterpret_cast<index_t*>(is_insert + 
outshape[axis]);

Review comment:
       I see, we are using different sections of that temporary mem




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