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pine: Compute the squared norm just once #649

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Aug 22, 2024
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pine: Compute the squared norm just once #649

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67 changes: 37 additions & 30 deletions crates/daphne/benches/pine.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,14 +10,13 @@ use prio::{
};

fn pine(c: &mut Criterion) {
for (dimension, chunk_len) in [
for (dimension, chunk_len_sq_norm_equal) in [
// dimension, sqrt(dimension) * some multiplier
(1_000, 32 * 8),
(10_000, 100 * 2),
(100_000, 320 * 6),
(1_000_000, 1_000 * 8),
] {
let pine = Pine::new_64(1 << 15, dimension, 15, chunk_len).unwrap();
let pine = Pine::new_64(1 << 15, dimension, 15, 150, chunk_len_sq_norm_equal).unwrap();
let measurement = vec![0.0; dimension];
let wr_joint_rand_seed = Seed::generate().unwrap();
let nonce = [0; 16];
Expand All @@ -35,36 +34,44 @@ fn pine(c: &mut Criterion) {
},
);

let (mut input, wr_test_results) = pine
.flp
.encode_with_wr_joint_rand(measurement.iter().copied(), &wr_joint_rand_seed)
.unwrap();
input.extend_from_slice(&wr_test_results);
let joint_rand = random_vector(pine.flp.joint_rand_len()).unwrap();
let prove_rand = random_vector(pine.flp.prove_rand_len()).unwrap();
{
let (mut input, wr_test_results) = pine
.flp
.encode_with_wr_joint_rand(measurement.iter().copied(), &wr_joint_rand_seed)
.unwrap();
input.extend_from_slice(&wr_test_results);
let prove_rand = random_vector(pine.flp_sq_norm_equal.prove_rand_len()).unwrap();

c.bench_with_input(
BenchmarkId::new("pine/prove", dimension),
&dimension,
|b, &_d| {
b.iter(|| pine.flp.prove(&input, &prove_rand, &joint_rand).unwrap());
},
);
c.bench_with_input(
BenchmarkId::new("pine/prove", dimension),
&dimension,
|b, &_d| {
b.iter(|| {
pine.flp_sq_norm_equal
.prove(&input, &prove_rand, &[])
.unwrap()
});
},
);

let query_rand = random_vector(pine.flp.query_rand_len()).unwrap();
let proof = pine.flp.prove(&input, &prove_rand, &joint_rand).unwrap();
let query_rand = random_vector(pine.flp_sq_norm_equal.query_rand_len()).unwrap();
let proof = pine
.flp_sq_norm_equal
.prove(&input, &prove_rand, &[])
.unwrap();

c.bench_with_input(
BenchmarkId::new("pine/query", dimension),
&dimension,
|b, &_d| {
b.iter(|| {
pine.flp
.query(&input, &proof, &query_rand, &joint_rand, 1)
.unwrap()
});
},
);
c.bench_with_input(
BenchmarkId::new("pine/query", dimension),
&dimension,
|b, &_d| {
b.iter(|| {
pine.flp_sq_norm_equal
.query(&input, &proof, &query_rand, &[], 1)
.unwrap()
});
},
);
}

c.bench_with_input(
BenchmarkId::new("pine/shard", dimension),
Expand Down
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