# :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: 041eb8a5867b321e6ddd4fb5b245e1d6c6e1a3d1 | Previous: 5e6687da78275ea5963573300c8de5bd2127397d | Ratio | |-|-|-|-| | `benchmarks/common/memmap_benchmarks_test.py::test_serialize_weights_pickle` | `1.1818489285420404` iter/sec (`stddev: 0.27600779099750455`) | `2.5137835123968166` iter/sec (`stddev: 0.06323175127777977`) | `2.13` | This comment was automatically generated by [workflow](https://github.com/pytorch/tensordict/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/tensordict/commit/041eb8a5867b321e6ddd4fb5b245e1d6c6e1a3d1#commitcomment-146797697

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/