Micro-optimization

Author: WrathfulSpatula

pyqrackising/maxcut_tfim_util.py

@@ -280,9 +280,10 @@ def convert_bool_to_uint(samples):
 def compute_energy(sample, G_m, n_qubits):
     energy = 0
     for u in range(n_qubits):
+        u_bit = sample[u]
         for v in range(u + 1, n_qubits):
             val = G_m[u, v]
-            energy += val if sample[u] == sample[v] else -val
+            energy += val if u_bit == sample[v] else -val
 
     return -energy