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Fix NZFLOP calculation for Add #108

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Fix NZFLOP calculation for Add #108

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5 changes: 4 additions & 1 deletion yateto/ast/node.py
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Original file line number Diff line number Diff line change
Expand Up @@ -280,7 +280,10 @@ def computeSparsityPattern(self, *spps):
def nonZeroFlops(self):
nzFlops = 0
for child in self:
nzFlops += child.eqspp().count_nonzero()
permuted = self.broadcast(child.indices, self.permute(child.indices, child.eqspp(), False))
nzFlops += permuted.count_nonzero()

# ignore all first adds against zero (i.e. those in self.eqspp())
return nzFlops - self.eqspp().count_nonzero()

class UnaryOp(Op):
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