Added benchmarks for polynomial multiplication and interpolation.
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@ -28,4 +28,10 @@ tiny-keccak = "1.4"
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[dev-dependencies]
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bincode = "1.0.0"
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criterion = "0.2"
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rand = "0.4.2"
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serde_derive = "1.0.55"
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[[bench]]
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name = "bench"
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harness = false
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11
README.md
11
README.md
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@ -93,6 +93,17 @@ must tolerate up to `t` adversarial (malicious or faulty) nodes. Because `t +
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1` nodes are required to sign or reveal information, messages can be trusted
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by third-parties as representing the consensus of the network.
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## Performance
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Benchmarking functionality is kept in the [`benches` directory](benches). You
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can run the benchmarks with the following command:
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```
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$ RUSTFLAGS="-C target_cpu=native" cargo bench
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```
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We use the [`criterion`](https://crates.io/crates/criterion) benchmarking library.
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## License
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Licensed under either of:
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@ -0,0 +1,36 @@
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#[macro_use]
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extern crate criterion;
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extern crate rand;
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extern crate threshold_crypto;
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use criterion::Criterion;
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use threshold_crypto::poly::Poly;
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mod poly_benches {
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use super::*;
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// Benchmarks multiplication of two degree 3 polynomials.
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fn multiplication(c: &mut Criterion) {
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let mut rng = rand::thread_rng();
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let lhs = Poly::random(3, &mut rng).unwrap();
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let rhs = Poly::random(3, &mut rng).unwrap();
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c.bench_function("Polynomial multiplication", move |b| b.iter(|| &lhs * &rhs));
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}
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// Benchmarks Lagrange interpolation for a degree 3 polynomial.
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fn interpolate(c: &mut Criterion) {
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// Points from the the polynomial: `y(x) = 5x^3 + 0x^2 + x - 2`.
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let sample_points = vec![(-1, -8), (2, 40), (3, 136), (5, 628)];
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c.bench_function("Polynomial interpolation", move |b| {
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b.iter(|| Poly::interpolate(sample_points.clone()).unwrap())
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});
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}
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criterion_group!{
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name = poly_benches;
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config = Criterion::default();
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targets = multiplication, interpolate,
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}
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}
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criterion_main!(poly_benches::poly_benches);
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