Optimize DAG-CBOR string decode with ASCII fast path#105
Merged
CodSpeed HQ / CodSpeed Performance Analysis
failed
May 25, 2026 in 0s
Performance Regression: -12.49%
⚠️ Different runtime environments detected
Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.
❌ 2 regressed benchmarks
✅ 190 untouched benchmarks
Warning
Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ❌ | Simulation | test_dag_cbor_decode_fixtures[map-1_pair] |
11.7 µs | 13.3 µs | -12.41% |
| ❌ | Simulation | test_dag_cbor_decode_fixtures[map-1_pair_rev] |
11.7 µs | 13.4 µs | -12.58% |
Tip
Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.
Comparing optimize-decode-ascii-fast-path (63a1ed3) with main (4c7905a)
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