# :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: 7cdbbf68a3f41048d56dba0f18500fd379628f66 | Previous: 3a1bbafbf2f59f67a67da0f82fc2dffb8b8ed3cd | Ratio | |-|-|-|-| | `benchmark/benchmark.py::test_exact_shots[ghz-state_vector-10-braket_sv_v2]` | `65.65976713396` iter/sec (`stddev: 0`) | `296.550952286934` iter/sec (`stddev: 0`) | `4.52` | | `benchmark/benchmark.py::test_exact_shots[qft-density_matrix q[0], q[1]-3-braket_dm]` | `55.3816602192143` iter/sec (`stddev: 0`) | `135.38277951075437` iter/sec (`stddev: 0`) | `2.44` | | `benchmark/benchmark.py::test_nonzero_shots[ghz-expectation z(q[0])-100-10-braket_sv_v2]` | `52.077239211401846` iter/sec (`stddev: 0`) | `195.49236825161515` iter/sec (`stddev: 0`) | `3.75` | | `benchmark/benchmark.py::test_nonzero_shots[ghz-variance y(q[0])-100-8-braket_dm_v2]` | `92.99621683948844` iter/sec (`stddev: 0`) | `186.76366324691782` iter/sec (`stddev: 0`) | `2.01` | 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/commit/7cdbbf68a3f41048d56dba0f18500fd379628f66#commitcomment-149847901

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 296.550952286934 and current value is 65.65976713396. It is 4.51647889158526x worse than previous exceeding a ratio threshold 2

Performance alert! Previous value was 135.38277951075437 and current value is 55.3816602192143. It is 2.4445417305092674x worse than previous exceeding a ratio threshold 2

Performance alert! Previous value was 195.49236825161515 and current value is 52.077239211401846. It is 3.75389270268409x worse than previous exceeding a ratio threshold 2