# :warning: **Performance Alert** :warning: Possible performance regression was detected for benchmark **'snarkVM Benchmarks'**. Benchmark result of this commit is worse than the previous benchmark result exceeding threshold `2`. | Benchmark suite | Current: e1d68cd48d59814e3bc5d0f1368d84013188f21b | Previous: c0211734bec3b67f0b70656ab6137fbd02617525 | Ratio | |-|-|-|-| | `Subdag::to_bytes_le` | `295787` ns/iter (`± 1267`) | `144664` ns/iter (`± 260`) | `2.04` | | `Subdag::serialize (bincode)` | `589424` ns/iter (`± 2800`) | `289444` ns/iter (`± 2307`) | `2.04` | This comment was automatically generated by [workflow](https://github.com/ProvableHQ/snarkVM/actions?query=workflow%3ARun%20snarkVM%20Benchmarks) using [github-action-benchmark](https://github.com/marketplace/actions/continuous-benchmark). CC: @vicsn @snarkworld @cbeck88 Comment was generated at https://github.com/ProvableHQ/snarkVM/commit/e1d68cd48d59814e3bc5d0f1368d84013188f21b#commitcomment-200459246

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Performance alert! Previous value was 289444 and current value is 589424. It is 2.0364008236480977x worse than previous exceeding a ratio threshold 2