src/ieee754/part_cmp/experiments/test.py

   1 from ieee754.part_mul_add.partpoints import PartitionPoints
   2 import ieee754.part_cmp.equal_ortree as ortree
   3 import ieee754.part_cmp.equal as equal
   4 from nmigen.cli import rtlil
   5 from nmigen import Signal, Module
   6
   7 def create_ilang(mod, name, ports):
   8     vl = rtlil.convert(mod, ports=ports)
   9     with open(name, "w") as f:
  10         f.write(vl)
  11
  12 def create_ortree(width, points):
  13     sig = Signal(len(points.values()))
  14     for i, key in enumerate(points):
  15         points[key] = sig[i]
  16     eq = ortree.PartitionedEq(width, points)
  17
  18     create_ilang(eq, "ortree.il", [eq.a, eq.b, eq.output, sig])
  19
  20 def create_equal(width, points):
  21     sig = Signal(len(points.values()))
  22     for i, key in enumerate(points):
  23         points[key] = sig[i]
  24
  25     eq = equal.PartitionedEq(width, points)
  26
  27     create_ilang(eq, "equal.il", [eq.a, eq.b, eq.output, sig])
  28
  29
  30 if __name__ == "__main__":
  31     points = PartitionPoints()
  32     sig = Signal(7)
  33     for i in range(sig.width):
  34         points[i*8+8] = True
  35
  36     # create_equal(32, points)
  37     create_ortree(64, points)
  38
  39
  40
  41
  42
  43 # ortree:
  44 # === design hierarchy ===
  45
  46    # top                               1
  47    #   mux1                            1
  48    #   mux2                            1
  49    #   mux3                            1
  50
  51    # Number of wires:                 49
  52    # Number of wire bits:             89
  53    # Number of public wires:          36
  54    # Number of public wire bits:      76
  55    # Number of memories:               0
  56    # Number of memory bits:            0
  57    # Number of processes:              0
  58    # Number of cells:                 29
  59    #   $_MUX_                          6
  60    #   $_NOR_                          1
  61    #   $_NOT_                          3
  62    #   $_OR_                           8
  63    #   $_XOR_                         11
  64
  65
  66 # equals:
  67 # === top ===
  68
  69 #    Number of wires:                121
  70 #    Number of wire bits:            161
  71 #    Number of public wires:          12
  72 #    Number of public wire bits:      52
  73 #    Number of memories:               0
  74 #    Number of memory bits:            0
  75 #    Number of processes:              0
  76 #    Number of cells:                113
  77 #      $_ANDNOT_                      32
  78 #      $_AND_                          7
  79 #      $_MUX_                          4
  80 #      $_NAND_                         1
  81 #      $_NOR_                          2
  82 #      $_NOT_                          1
  83 #      $_ORNOT_                        6
  84 #      $_OR_                          44
  85 #      $_XNOR_                         1
  86 #      $_XOR_                         15