Runtimes & Languages
JSON Parsing Benchmarks: simdjson vs Standard JSON.parse
Gigabytes-per-second JSON parsing benchmarks comparing hardware-accelerated simdjson against standard native parsing libraries.
Test Environment
CPUApple M2 Max
RAM64GB
OSmacOS Sonoma
Toolsimdjson benchmark suite
Metrics Comparison
Parse Throughput
Unit: GB/ssimdjson (C++)
3.2★
RapidJSON
0.9
V8 JSON.parse
0.5
Detailed Analysis
simdjson parses JSON faster than SSDs can read it, using SIMD instructions to process multiple characters per clock cycle.
By vectorizing structural index generation and string parsing, simdjson avoids branch mispredictions.
Structural Discovery
Finding brackets and quotes
Bottleneck: Traditional parsers read character-by-character.
Architectural Recommendations
- Integrate simdjson bindings for extreme data processing pipelines
Frequently Asked Questions
Can I use simdjson in Node.js?
Yes, via N-API bindings.