Libero Transport Benchmark

Contract hash: 1f61b5216ac39d7be5faab0670b9c5713f9bbc007e447e2b9de9e108944f238b

Environment:

• Date: 2026-06-06
• Gleam: gleam 1.16.0
• Erlang: 27
• Node: v22.22.3

Method:

• Fixture project generates artifacts from explicit Libero seeds, matching the current Rally-style API.
• The benchmark owns a tiny bench_requests.RequestMsg type so request decode can be measured without Libero handler scanning or generated dispatch.
• ETF helper modules were generated through Libero’s public generator APIs so the benchmark can call generated@libero_wire without compiling any framework dispatch module.
• BEAM server encode rows include benchmark response pre-encoders plus wire frame encoding.
• BEAM server request decode rows include wire request decode plus generated RequestMsg decode.
• JS client response decode rows include wire frame decode plus generated typed payload rebuild for JSON. ETF uses the generated decoder registration path.
• Each result subsection compares ETF and JSON for one target, stage, and payload. The Ratio column is JSON divided by ETF for the same metric.
• CSV files include additional diagnostic rows, such as JSON parse-only, JSON wire-decode-only, JSON typed-decode-only, BEAM etf_full_data_precheck, BEAM etf_strict_data_terms, and JS etf_depth_limit measurements. The Markdown report omits those rows because they are not the main ETF vs JSON comparison.
• Warmup: 50 untimed iterations per row.

Results

BEAM: Server Request Decode

Large Shots

Decodes the Large Shots request payload on BEAM. 250 iterations per codec.

Nested Game

Decodes the Nested Game request payload on BEAM. 500 iterations per codec.

Repeated Records

Decodes the Repeated Records request payload on BEAM. 1000 iterations per codec.

Small Admin

Decodes the Small Admin request payload on BEAM. 5000 iterations per codec.

Type Matrix

Decodes the Type Matrix request payload on BEAM. 2500 iterations per codec.

BEAM: Server Response Encode

Large Shots

Encodes the Large Shots response payload on BEAM. 250 iterations per codec.

Nested Game

Encodes the Nested Game response payload on BEAM. 500 iterations per codec.

Repeated Records

Encodes the Repeated Records response payload on BEAM. 1000 iterations per codec.

Small Admin

Encodes the Small Admin response payload on BEAM. 5000 iterations per codec.

Type Matrix

Encodes the Type Matrix response payload on BEAM. 2500 iterations per codec.

JavaScript: Client Response Decode

Large Shots

Decodes the Large Shots response payload on JavaScript. 250 iterations per codec.

Nested Game

Decodes the Nested Game response payload on JavaScript. 500 iterations per codec.

Repeated Records

Decodes the Repeated Records response payload on JavaScript. 1000 iterations per codec.

Small Admin

Decodes the Small Admin response payload on JavaScript. 5000 iterations per codec.

Type Matrix

Decodes the Type Matrix response payload on JavaScript. 2500 iterations per codec.

Raw CSV files:

• results.csv
• beam.csv
• js.csv