Face Boundaries faster

Hello everyone, is there a faster way to extract face boundaries from a mesh in C#? (faster than or as grasashopper component)?

using System.Linq;
 private void RunScript(Mesh mesh, ref object A)
  {  Component.Name = "Face.Edge Boundaries by unweld Edge";
    var ix = System.Linq.Enumerable.Range(0, mesh.Faces.QuadCount * 4 + mesh.Faces.TriangleCount * 3);
    var edges = new List<Polyline>();
    mesh.UnweldEdge(ix, true);
    var meshf = mesh.ExplodeAtUnweldedEdges();
    foreach(var m in meshf){
      var v = m.Vertices.ToPoint3dArray().ToList();
      edges.Add(new Polyline(v));}
    A = edges; }

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