Parallel verifier stir challenge points

src/whir/batch/verifier.rs

@@ -9,6 +9,8 @@ use nimue::{
     ByteChallenges, ByteReader, ProofError, ProofResult,
 };
 use nimue_pow::{self, PoWChallenge};
+#[cfg(feature = "parallel")]
+use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
 
 use crate::whir::fs_utils::{get_challenge_stir_queries, DigestReader};
 use crate::whir::{
@@ -331,6 +333,12 @@ where
                 arthur,
             )?;
 
+            #[cfg(feature = "parallel")]
+            let stir_challenges_points = stir_challenges_indexes
+                .par_iter()
+                .map(|index| exp_domain_gen.pow([*index as u64]))
+                .collect();
+            #[cfg(not(feature = "parallel"))]
             let stir_challenges_points = stir_challenges_indexes
                 .iter()
                 .map(|index| exp_domain_gen.pow([*index as u64]))
@@ -430,6 +438,12 @@ where
             self.params.final_queries,
             arthur,
         )?;
+        #[cfg(feature = "parallel")]
+        let final_randomness_points = final_randomness_indexes
+            .par_iter()
+            .map(|index| exp_domain_gen.pow([*index as u64]))
+            .collect();
+        #[cfg(not(feature = "parallel"))]
         let final_randomness_points = final_randomness_indexes
             .iter()
             .map(|index| exp_domain_gen.pow([*index as u64]))