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FEAT: msm timers (#108)

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zhenfei
2022-12-20 11:31:39 -05:00
committed by GitHub
parent 77bc9f5e4a
commit 8256fb3ee2
1 changed files with 9 additions and 0 deletions
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9
subroutines/src/pcs/multilinear_kzg/mod.rs
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@@ -126,11 +126,16 @@ impl<E: PairingEngine> PolynomialCommitmentScheme<E> for MultilinearKzgPCS<E> {
.into_iter() .into_iter()
.map(|x| x.into_repr()) .map(|x| x.into_repr())
.collect(); .collect();
let msm_timer = start_timer!(|| format!(
"msm of size {}",
prover_param.powers_of_g[ignored].evals.len()
));
let commitment = VariableBaseMSM::multi_scalar_mul( let commitment = VariableBaseMSM::multi_scalar_mul(
&prover_param.powers_of_g[ignored].evals, &prover_param.powers_of_g[ignored].evals,
scalars.as_slice(), scalars.as_slice(),
) )
.into_affine(); .into_affine();
end_timer!(msm_timer);
end_timer!(commit_timer); end_timer!(commit_timer);
Ok(Commitment(commitment)) Ok(Commitment(commitment))
@@ -269,7 +274,11 @@ fn open_internal<E: PairingEngine>(
r[k - 1] = cur_r; r[k - 1] = cur_r;
// this is a MSM over G1 and is likely to be the bottleneck // this is a MSM over G1 and is likely to be the bottleneck
let msm_timer = start_timer!(|| format!("msm of size {} at round {}", gi.evals.len(), i));
proofs.push(VariableBaseMSM::multi_scalar_mul(&gi.evals, &scalars).into_affine()); proofs.push(VariableBaseMSM::multi_scalar_mul(&gi.evals, &scalars).into_affine());
end_timer!(msm_timer);
end_timer!(ith_round); end_timer!(ith_round);
} }
let eval = evaluate_opt(polynomial, point); let eval = evaluate_opt(polynomial, point);