# :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: c842730816b50ee94be480d819a778070992cf02 | Previous: df870ef85d7b6d1c72ce8cf17459c700d9c391c1 | Ratio | |-|-|-|-| | `benchmarks/common/memmap_benchmarks_test.py::test_serialize_weights_pickle` | `1.1001678062411433` iter/sec (`stddev: 0.2654172696773098`) | `2.3716127688462376` iter/sec (`stddev: 0.09294200807577045`) | `2.16` | 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/c842730816b50ee94be480d819a778070992cf02#commitcomment-149554777

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/