Improve performance of copyto! for PVector objects.

Author: fverdugo

src/p_vector.jl

@@ -803,13 +803,14 @@ function Base.copy!(a::PVector,b::PVector)
 end
 
 function Base.copyto!(a::PVector,b::PVector)
-    if partition(axes(a,1)) === partition(axes(b,1))
-        map(copy!,partition(a),partition(b))
-    elseif matching_own_indices(axes(a,1),axes(b,1))
-        map(copy!,own_values(a),own_values(b))
-    else
-        error("Trying to copy a PVector into another one with a different data layout. This case is not implemented yet. It would require communications.")
-    end
+    map(copy!,own_values(a),own_values(b))
+    #if partition(axes(a,1)) === partition(axes(b,1))
+    #    map(copy!,partition(a),partition(b))
+    #elseif matching_own_indices(axes(a,1),axes(b,1))
+    #    map(copy!,own_values(a),own_values(b))
+    #else
+    #    error("Trying to copy a PVector into another one with a different data layout. This case is not implemented yet. It would require communications.")
+    #end
     a
 end