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fix: enable SIMD in build and cap XOF output length

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- Merge target-feature=+simd128 into Makefile RUSTFLAGS (was being
  overridden by the explicit RUSTFLAGS env var)
- Cap hash_xof/finalize_xof to 64KB to prevent unbounded WASM
  linear memory growth
- Add boundary tests for XOF length validation
- Update benchmarks with SIMD-enabled build
This commit is contained in:
breakingbread
2026-04-25 19:16:44 +02:00
parent 55db5a6575
commit a0e262bf02
4 changed files with 54 additions and 29 deletions
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README.md
+9 -16
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@@ -12,18 +12,11 @@
```sh
# lets build it!
# For NodeJS
wasm-pack build --target nodejs --release
# normal
make build
# For the web!
wasm-pack build --target web --release
```
SIMD is enabled via `wasm32_simd` feature in `Cargo.toml` and requires:
```toml
# .cargo/config.toml
[target.wasm32-unknown-unknown]
rustflags = ["-C", "target-feature=+simd128"]
# clean
make
```
## Usage
@@ -171,11 +164,11 @@ Tested on **Ryzen 7 5800X**, Node.js v24.
| Size | @noble/hashes | awasm-noble | awasm-noble (threads) | blake3-wasm |
|-------|---------------|-------------|-----------------------|-------------|
| 32 B | 11 MB/s | 34 MB/s | 45 MB/s | 84 MB/s |
| 1 KB | 56 MB/s | 499 MB/s | 526 MB/s | 851 MB/s |
| 64 KB | 52 MB/s | 1,729 MB/s | 1,684 MB/s | 2,014 MB/s |
| 1 MB | 51 MB/s | 1,550 MB/s | 4,036 MB/s | 1,787 MB/s |
| 10 MB | 50 MB/s | 1,497 MB/s | 4,946 MB/s | 1,899 MB/s |
| 32 B | 11 MB/s | 34 MB/s | 45 MB/s | 86 MB/s |
| 1 KB | 56 MB/s | 499 MB/s | 526 MB/s | 919 MB/s |
| 64 KB | 52 MB/s | 1,729 MB/s | 1,684 MB/s | 2,067 MB/s |
| 1 MB | 51 MB/s | 1,550 MB/s | 4,036 MB/s | 1,848 MB/s |
| 10 MB | 50 MB/s | 1,497 MB/s | 4,946 MB/s | 1,776 MB/s |
## Security