SV = IV(0x8380458) at 0x83b70d8
  REFCNT = 1
  FLAGS = (IOK,pIOK,IsUV)
  UV = 0

When the perlsub updates the data it is conveted 
to an NV

SV = PVNV(0x8284298) at 0x83b70d8
  REFCNT = 1
  FLAGS = (NOK,pNOK)
  IV = 0
  NV = 12345
  PV = 0