# :warning: **Performance Alert** :warning: Possible performance regression was detected for benchmark **'Python Benchmark with pytest-benchmark'**. Benchmark result of this commit is worse than the previous benchmark result exceeding threshold `2`. | Benchmark suite | Current: bfe5a166ed54def474e53083c44a32c2f8972727 | Previous: 5b2ae571e0049d3a2a2a93747268a833ac996bbc | Ratio | |-|-|-|-| | `benchmark/benchmark.py::test_exact_shots[ghz-state_vector-14-sv]` | `30.917921044855614` iter/sec (`stddev: 0`) | `63.55525961399944` iter/sec (`stddev: 0`) | `2.06` | | `benchmark/benchmark.py::test_exact_shots[qft-density_matrix q[0], q[1]-7-sv]` | `75.6250062674378` iter/sec (`stddev: 0`) | `408.0107858463614` iter/sec (`stddev: 0`) | `5.40` | | `benchmark/benchmark.py::test_exact_shots_batched[ghz-variance y(q[0])-10-10-sv]` | `30.635752398513716` iter/sec (`stddev: 0`) | `70.51946769597852` iter/sec (`stddev: 0`) | `2.30` | | `benchmark/benchmark.py::test_nonzero_shots[qft-variance y(q[0])-100-4-sv]` | `57.29824999685084` iter/sec (`stddev: 0`) | `291.719472752765` iter/sec (`stddev: 0`) | `5.09` | This comment was automatically generated by [workflow](https://github.com/amazon-braket/amazon-braket-simulator-v2-python/actions?query=workflow%3ABenchmark) using [github-action-benchmark](https://github.com/marketplace/actions/continuous-benchmark). Comment was generated at https://github.com/amazon-braket/amazon-braket-simulator-v2-python/pull/44#pullrequestreview-2532437863

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

Performance alert! Previous value was 63.55525961399944 and current value is 30.917921044855614. It is 2.0556123266436215x worse than previous exceeding a ratio threshold 2

Performance alert! Previous value was 408.0107858463614 and current value is 75.6250062674378. It is 5.395183497948885x worse than previous exceeding a ratio threshold 2

Performance alert! Previous value was 70.51946769597852 and current value is 30.635752398513716. It is 2.301868313160794x worse than previous exceeding a ratio threshold 2