# :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: 09b327c7e9b0f56334bb6bff8af3babb089c88fc | Previous: c3caa7612275306ce72697a82d5252681ddae0ab | Ratio | |-|-|-|-| | `benchmarks/common/memmap_benchmarks_test.py::test_memmaptd_index_op` | `150.58894890862786` iter/sec (`stddev: 0.0024012234844872273`) | `327.22066713262046` iter/sec (`stddev: 0.00002575423655114622`) | `2.17` | 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/09b327c7e9b0f56334bb6bff8af3babb089c88fc#commitcomment-131567288