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  21 
  22 The Unithread Linear tests are pretty basic.
  23 The main program allocates an array of objects and
  24 the generates a linked list from them.
  25      A->B->C->D
  26 The list is then removed from the array
  27 as more objects are allocated. The lists
  28 should be garbage collected to make room for the new
  29 obects.
  30 
  31 Linear1 uses 5000 objects of 100 bytes (or so) apiece
  32 in chains of 5 objects apiece in a singly-linked list.o
  33 
  34 Linear2 uses 10000 objects of 1000 bytes (or so) apiece
  35 in chains of 100 objects apiece.
  36 
  37 Linear3 is the same as Linear1 but uses a local random number
  38 generator to access the arrays in a non-linear way;
  39 
  40 Linear4 is the same as Linear2 but uses a local random number
  41 generator to access the arrays in a non-linear way;