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bugfix: recognize single layer as first and last #21

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bugfix: recognize single layer as first and last #21

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12 changes: 5 additions & 7 deletions difflogic/compiled_model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -139,18 +139,16 @@ def get_gate_code(self, var1, var2, gate_op):
def get_layer_code(self, layer_a, layer_b, layer_op, layer_id, prefix_sums):
code = []
for var_id, (gate_a, gate_b, gate_op) in enumerate(zip(layer_a, layer_b, layer_op)):
if self.device == 'cpu' and layer_id == len(prefix_sums) - 1:
if layer_id == 0:
a = f"inp[{gate_a}]"
b = f"inp[{gate_b}]"
else:
a = f"v{prefix_sums[layer_id - 1] + gate_a}"
b = f"v{prefix_sums[layer_id - 1] + gate_b}"
if self.device == 'cpu' and layer_id == len(prefix_sums) - 1:
code.append(f"\tout[{var_id}] = {self.get_gate_code(a, b, gate_op)};")
else:
assert not (self.device == 'cpu' and layer_id >= len(prefix_sums) - 1), (layer_id, len(prefix_sums))
if layer_id == 0:
a = f"inp[{gate_a}]"
b = f"inp[{gate_b}]"
else:
a = f"v{prefix_sums[layer_id - 1] + gate_a}"
b = f"v{prefix_sums[layer_id - 1] + gate_b}"
code.append(
f"\tconst {BITS_TO_DTYPE[self.num_bits]} v{prefix_sums[layer_id] + var_id} = {self.get_gate_code(a, b, gate_op)};"
)
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