# Benchmarks
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Performance comparisons between succinctly and other tools.
## Understanding the Comparisons
Succinctly uses **semi-indexing** rather than traditional DOM parsing. This architectural difference is important context for interpreting benchmarks:
| **Semi-index** | Build structural index, extract lazily | ~3-6% overhead | Fast for queries |
| **DOM parsing** | Parse entire document into memory tree | 6-21x input | Required for all operations |
The benchmarks below compare succinctly against DOM-based tools (jq, yq, serde_json, etc.). Performance advantages come from both the semi-index architecture and doing less validation work. See individual benchmark pages for detailed architectural comparisons.
## Benchmark Results
| [jq](jq.md) | succinctly jq vs system jq | 1.1-2.3x faster across platforms |
| [yq](yq.md) | succinctly yq vs system yq | 4.5-11x faster (Graviton 4), 7-25x (x86_64) |
| [JSON Validation](json-validate.md) | RFC 8259 strict validation | 530-1800 MiB/s (up to 1.8 GiB/s on nested) |
| [Rust JSON Parsers](rust-parsers.md) | vs serde_json, sonic-rs, simd-json | Competitive with specialized parsers |
| [Rust YAML Parsers](rust-yaml-parsers.md) | vs serde_yaml | 8-14x faster parsing, 10-39x less memory |
| [Cross-Language](cross-language.md) | Multi-language parser comparison | Best-in-class for semi-indexing |
| [DSV](dsv.md) | CSV/TSV parsing performance | 85-1676 MiB/s (API) |
## Methodology
All benchmarks use:
- Criterion.rs for statistical accuracy
- Multiple file sizes (1KB to 1MB+)
- Multiple patterns (comprehensive, users, nested, etc.)
- Warm cache conditions
For detailed benchmarking information, see:
- **[Benchmarking Guide](../guides/benchmarking.md)** - Complete guide to running and interpreting benchmarks
- **[Benchmark Inventory](inventory.md)** - Index of all benchmark reports in this project
## See Also
- [Optimization Techniques](../optimizations/) - How we achieved these results
- [Parsing Implementation](../parsing/) - Parser architecture