Add a separate benchmark for pure-fixed multiscalar mul.

This commit is contained in:
Henry de Valence 2019-02-14 07:16:20 -08:00
parent 092ff52cb0
commit 2c3629b30e

View file

@ -110,9 +110,28 @@ mod multiscalar_benches {
);
}
fn precomputed_vt_straus_helper(c: &mut Criterion, dynamic_fraction: f64) {
fn vartime_precomputed_pure_static(c: &mut Criterion) {
c.bench_function_over_inputs(
"Variable-time fixed-base multiscalar multiplication",
move |b, &&total_size| {
let static_size = total_size;
let (static_scalars, static_points) = construct(static_size);
use curve25519_dalek::edwards::VartimeEdwardsPrecomputation;
use curve25519_dalek::traits::VartimePrecomputedMultiscalarMul;
let precomp = VartimeEdwardsPrecomputation::new(&static_points);
b.iter(|| precomp.vartime_multiscalar_mul(&static_scalars));
},
&MULTISCALAR_SIZES,
);
}
fn vartime_precomputed_helper(c: &mut Criterion, dynamic_fraction: f64) {
let label = format!(
"Variable-time mixed-base Straus ({:.2}pct dyn)",
"Variable-time mixed-base multiscalar multiplication ({:.0}pct dyn)",
100.0 * dynamic_fraction,
);
c.bench_function_over_inputs(
@ -141,16 +160,16 @@ mod multiscalar_benches {
);
}
fn precomputed_vt_straus_00_pct_dynamic(c: &mut Criterion) {
precomputed_vt_straus_helper(c, 0.0);
fn vartime_precomputed_00_pct_dynamic(c: &mut Criterion) {
vartime_precomputed_helper(c, 0.0);
}
fn precomputed_vt_straus_20_pct_dynamic(c: &mut Criterion) {
precomputed_vt_straus_helper(c, 0.2);
fn vartime_precomputed_20_pct_dynamic(c: &mut Criterion) {
vartime_precomputed_helper(c, 0.2);
}
fn precomputed_vt_straus_50_pct_dynamic(c: &mut Criterion) {
precomputed_vt_straus_helper(c, 0.5);
fn vartime_precomputed_50_pct_dynamic(c: &mut Criterion) {
vartime_precomputed_helper(c, 0.5);
}
criterion_group! {
@ -160,9 +179,10 @@ mod multiscalar_benches {
targets =
consttime_multiscalar_mul,
vartime_multiscalar_mul,
precomputed_vt_straus_00_pct_dynamic,
precomputed_vt_straus_20_pct_dynamic,
precomputed_vt_straus_50_pct_dynamic,
vartime_precomputed_pure_static,
vartime_precomputed_00_pct_dynamic,
vartime_precomputed_20_pct_dynamic,
vartime_precomputed_50_pct_dynamic,
}
}