qiskit/releasenotes/notes/0.24/fix-partial-reverse-gradien...

7 lines
267 B
YAML

---
fixes:
- |
Fix a performance bug in :class:`.ReverseEstimatorGradient` where the calculation
did a large amount of unnecessary copies if the gradient was only calculated for
a subset of parameters, or in a circuit with many unparameterized gates.