Marc Mintel
5397309103
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37 lines
1.0 KiB
Plaintext
37 lines
1.0 KiB
Plaintext
# MessageFormat Parser
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Hand-written ICU MessageFormat parser with compatible output as
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[`intl-messageformat-parser`](https://www.npmjs.com/package/intl-messageformat-parser)
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but 6 - 10 times as fast.
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## Benchmarks
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### JavaScript/TypeScript Parser
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```
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$ bazel run //packages/icu-messageformat-parser/benchmark:benchmark
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complex_msg AST length 2599
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normal_msg AST length 400
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simple_msg AST length 79
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string_msg AST length 36
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complex_msg: 23.85 µs (41,931 ops/sec)
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normal_msg: 3.27 µs (306,177 ops/sec)
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simple_msg: 0.60 µs (1,675,766 ops/sec)
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string_msg: 0.32 µs (3,113,287 ops/sec)
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```
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### Rust Parser (WASM)
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The Rust parser (optimized build) is **2.6-3.7x faster** than the JavaScript parser:
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```
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$ bazel run -c opt //crates/icu_messageformat_parser:comparison_bench
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complex_msg: 9.22 µs (2.59x faster than JS)
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normal_msg: 1.14 µs (2.87x faster than JS)
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simple_msg: 163 ns (3.68x faster than JS)
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string_msg: 118 ns (2.71x faster than JS)
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```
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The Rust parser is also 10-11% faster than the SWC ICU MessageFormat parser.
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