# :warning: **Performance Alert** :warning: Possible performance regression was detected for benchmark. Benchmark result of this commit is worse than the previous benchmark result exceeding threshold `2`. | Benchmark suite | Current: b3f0248f79257bb22173c9fc4b65516cc918c030 | Previous: f6214d1c5a3f0a0857179027faaf559fdb17e2e6 | Ratio | |-|-|-|-| | `iffts/simd ifft/27` | `633564065` ns/iter (`± 10458231`) | `312325137` ns/iter (`± 5094310`) | `2.03` | | `iffts/simd ifft/28` | `1295275744` ns/iter (`± 17843930`) | `647142081` ns/iter (`± 16823986`) | `2.00` | | `merkle throughput/simd merkle` | `30791487` ns/iter (`± 613409`) | `14690867` ns/iter (`± 434150`) | `2.10` | This comment was automatically generated by [workflow](https://github.com/starkware-libs/stwo/actions?query=workflow%3ACI) using [github-action-benchmark](https://github.com/marketplace/actions/continuous-benchmark). CC: @shaharsamocha7 Comment was generated at https://github.com/starkware-libs/stwo/pull/868#pullrequestreview-2415831223

The following actions use a deprecated Node.js version and will be forced to run on node20: jetli/[email protected]. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

This job failure may be caused by using an out of date self-hosted runner. You are currently using runner version 2.319.1. Please update to the latest version 2.320.0

Performance alert! Previous value was 312325137 and current value is 633564065. It is 2.0285401011446607x worse than previous exceeding a ratio threshold 2

Performance alert! Previous value was 647142081 and current value is 1295275744. It is 2.0015322477537976x worse than previous exceeding a ratio threshold 2