# :warning: **Performance Alert** :warning: Possible performance regression was detected for benchmark **'CPU Benchmark Results'**. Benchmark result of this commit is worse than the previous benchmark result exceeding threshold `2`. | Benchmark suite | Current: 2332909acb7c56393f6b080020b753d7f18aa9b7 | Previous: 605b4aabe1637151580bbf45e4ebcf13bb286aca | Ratio | |-|-|-|-| | `benchmarks/test_replaybuffer_benchmark.py::test_rb_populate[TensorDictReplayBuffer-ListStorage-SamplerWithoutReplacement-400]` | `30.183476406713112` iter/sec (`stddev: 0.20221241229003356`) | `157.5775708449948` iter/sec (`stddev: 0.016796232595089552`) | `5.22` | This comment was automatically generated by [workflow](https://github.com/pytorch/rl/actions?query=workflow%3AContinuous%20Benchmark) using [github-action-benchmark](https://github.com/marketplace/actions/continuous-benchmark). CC: @vmoens Comment was generated at https://github.com/pytorch/rl/commit/2332909acb7c56393f6b080020b753d7f18aa9b7#commitcomment-146798021

WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv

WARNING: The directory '/github/home/.cache/pip' or its parent directory is not owned or is not writable by the current user. The cache has been disabled. Check the permissions and owner of that directory. If executing pip with sudo, you should use sudo's -H flag.

Process completed with exit code 1.

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v3, actions/setup-python@v4. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

Performance alert! Previous value was 157.5775708449948 and current value is 30.183476406713112. It is 5.220656783257343x worse than previous exceeding a ratio threshold 2