from iodev import *
from simprocess import *
t = Tape()
def req_tape(n,b):
  global t
  print n,b,t.seek(b)

d = Disk()
def req_disk(n,b):
  global d
  print n,b,d.seek(b)


r = RandomSeeker("rand+disk",req_disk,20,0,1000)
b = BisectionSeeker("chop+disk",req_disk,20,0,1000)
c = ColumnMajor("col+disk",req_disk,20,0,1000)
b.start(); c.start(); r.start(); 
b.join(); c.join(); r.join();