Add QED Model (#25)

Reviewed-on: Rubydragon/MetagraphOptimization.jl#25
Co-authored-by: Anton Reinhard <anton.reinhard@proton.me>
Co-committed-by: Anton Reinhard <anton.reinhard@proton.me>

src/graph/mute.jl

@@ -123,7 +123,6 @@ function remove_edge!(graph::DAG, node1::Node, node2::Node; track = true, invali
     pre_length1 = length(node1.parents)
     pre_length2 = length(node2.children)
 
-    #TODO: filter is very slow
     for i in eachindex(node1.parents)
         if (node1.parents[i] == node2)
             splice!(node1.parents, i)
@@ -252,7 +251,6 @@ function invalidate_caches!(graph::DAG, operation::NodeFusion)
     delete!(graph.possibleOperations, operation)
 
     # delete the operation from all caches of nodes involved in the operation
-    # TODO: filter is very slow
     for n in [1, 3]
         for i in eachindex(operation.input[n].nodeFusions)
             if operation == operation.input[n].nodeFusions[i]

src/graph/print.jl

@@ -41,7 +41,7 @@ function show(io::IO, graph::DAG)
     if length(graph.nodes) <= 20
         show_nodes(io, graph)
     else
-        print("Total: ", length(graph.nodes), ", ")
+        print(io, "Total: ", length(graph.nodes), ", ")
         first = true
         i = 0
         for (type, number) in zip(keys(nodeDict), values(nodeDict))
@@ -49,12 +49,12 @@ function show(io::IO, graph::DAG)
             if first
                 first = false
             else
-                print(", ")
+                print(io, ", ")
             end
             if (i % 3 == 0)
-                print("\n         ")
+                print(io, "\n         ")
             end
-            print(type, ": ", number)
+            print(io, type, ": ", number)
         end
     end
     println(io)