# :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: f672c708f964bc33d2518eef3238d826916982f3 | Previous: d009835b4fccd1482e9a2bd2b597e00824b95c2d | Ratio | |-|-|-|-| | `benchmarks/test_replaybuffer_benchmark.py::test_rb_sample[TensorDictReplayBuffer-LazyMemmapStorage-RandomSampler-10000]` | `643.6479098900596` iter/sec (`stddev: 0.03227955688678535`) | `1868.0755423919275` iter/sec (`stddev: 0.00007699349336521317`) | `2.90` | | `benchmarks/test_replaybuffer_benchmark.py::test_rb_populate[TensorDictPrioritizedReplayBuffer-LazyMemmapStorage-None-400]` | `35.82819193046635` iter/sec (`stddev: 0.17966071463870026`) | `392.93898082119364` iter/sec (`stddev: 0.0010673916474571651`) | `10.97` | 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/f672c708f964bc33d2518eef3238d826916982f3#commitcomment-151131030

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.

Command 'git' failed with args '-c user.name=github-action-benchmark -c user.email=github@users.noreply.github.com -c http.https://github.com/.extraheader= fetch ***github.com/pytorch/rl.git gh-pages:gh-pages': fatal: not a git repository (or any parent up to mount point /) Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set). : Error: The process '/usr/bin/git' failed with exit code 128

Performance alert! Previous value was 1868.0755423919275 and current value is 643.6479098900596. It is 2.902325190042193x worse than previous exceeding a ratio threshold 2