Memory stays fixed: 
$|++; while () 
{
  print '.';
  select undef,undef,undef,0.01;
}

[download]
Memory use grows: 
$|++; re(); sub re
{
  print '.';
  select undef,undef,undef,0.01;

  re()
}

[download]
What's going on?

In reply to sub calls and memory use by Anonymous Monk

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