diff --git a/crates/zkevm_circuits/src/ram_permutation/input.rs b/crates/zkevm_circuits/src/ram_permutation/input.rs
index c1d1ee1..d000cf0 100644
--- a/crates/zkevm_circuits/src/ram_permutation/input.rs
+++ b/crates/zkevm_circuits/src/ram_permutation/input.rs
@@ -116,18 +116,8 @@ pub type RamPermutationCycleInputOutputWitness<F> = crate::fsm_input_output::Clo
 pub struct RamPermutationCircuitInstanceWitness<F: SmallField> {
     pub closed_form_input: RamPermutationCycleInputOutputWitness<F>,
 
-    pub unsorted_queue_witness: FullStateCircuitQueueRawWitness<
-        F,
-        MemoryQuery<F>,
-        FULL_SPONGE_QUEUE_STATE_WIDTH,
-        MEMORY_QUERY_PACKED_WIDTH,
-    >,
-    pub sorted_queue_witness: FullStateCircuitQueueRawWitness<
-        F,
-        MemoryQuery<F>,
-        FULL_SPONGE_QUEUE_STATE_WIDTH,
-        MEMORY_QUERY_PACKED_WIDTH,
-    >,
+    pub unsorted_queue_witness: Vec<<MemoryQuery<F> as CSAllocatable<F>>::Witness>,
+    pub sorted_queue_witness: Vec<<MemoryQuery<F> as CSAllocatable<F>>::Witness>,
 }
 
 pub type MemoryQueriesQueue<F, R> =
diff --git a/crates/zkevm_circuits/src/ram_permutation/mod.rs b/crates/zkevm_circuits/src/ram_permutation/mod.rs
index 249b77d..b546524 100644
--- a/crates/zkevm_circuits/src/ram_permutation/mod.rs
+++ b/crates/zkevm_circuits/src/ram_permutation/mod.rs
@@ -1,9 +1,12 @@
 use super::*;
 
+use base_structures::vm_state::FULL_SPONGE_QUEUE_STATE_WIDTH;
 use boojum::cs::traits::cs::ConstraintSystem;
+use boojum::field::Field;
 use boojum::field::SmallField;
 use boojum::gadgets::boolean::Boolean;
 use boojum::gadgets::num::Num;
+use boojum::gadgets::queue::full_state_queue::FullStateCircuitQueueRawWitness;
 use boojum::gadgets::traits::selectable::Selectable;
 use boojum::gadgets::u256::UInt256;
 use boojum::gadgets::u32::UInt32;
@@ -78,7 +81,12 @@ where
     > = MemoryQueriesQueue::from_state(cs, unsorted_queue_state);
 
     unsorted_queue.witness = Arc::new(FullStateCircuitQueueWitness::from_inner_witness(
-        unsorted_queue_witness,
+        FullStateCircuitQueueRawWitness {
+            elements: unsorted_queue_witness
+                .into_iter()
+                .map(|x| (x, [Field::ZERO; FULL_SPONGE_QUEUE_STATE_WIDTH]))
+                .collect(),
+        },
     ));
 
     // passthrought must be trivial
@@ -104,7 +112,12 @@ where
     > = MemoryQueriesQueue::from_state(cs, sorted_queue_state);
 
     sorted_queue.witness = Arc::new(FullStateCircuitQueueWitness::from_inner_witness(
-        sorted_queue_witness,
+        FullStateCircuitQueueRawWitness {
+            elements: sorted_queue_witness
+                .into_iter()
+                .map(|x| (x, [Field::ZERO; FULL_SPONGE_QUEUE_STATE_WIDTH]))
+                .collect(),
+        },
     ));
 
     // get challenges for permutation argument
diff --git a/crates/zkevm_test_harness/src/witness/individual_circuits/memory_related/ram_permutation.rs b/crates/zkevm_test_harness/src/witness/individual_circuits/memory_related/ram_permutation.rs
index 2f25f2d..aa2c38d 100644
--- a/crates/zkevm_test_harness/src/witness/individual_circuits/memory_related/ram_permutation.rs
+++ b/crates/zkevm_test_harness/src/witness/individual_circuits/memory_related/ram_permutation.rs
@@ -124,6 +124,15 @@ pub(crate) fn compute_ram_circuit_snapshots<CB: FnMut(WitnessGenerationArtifact)
     let mut rhs_grand_product_chains =
         Vec::with_capacity(DEFAULT_NUM_PERMUTATION_ARGUMENT_REPETITIONS);
     {
+        let lhs_contributions: Vec<_> = all_memory_queries
+            .par_iter()
+            .map(|x| x.encoding_witness())
+            .collect();
+        let rhs_contributions: Vec<_> = all_memory_queries_sorted
+            .par_iter()
+            .map(|x| x.encoding_witness())
+            .collect();
+
         let challenges = produce_fs_challenges::<
             Field,
             RoundFunction,
@@ -138,15 +147,6 @@ pub(crate) fn compute_ram_circuit_snapshots<CB: FnMut(WitnessGenerationArtifact)
             round_function,
         );
 
-        let lhs_contributions: Vec<_> = all_memory_queries
-            .iter()
-            .map(|x| x.encoding_witness())
-            .collect();
-        let rhs_contributions: Vec<_> = all_memory_queries_sorted
-            .iter()
-            .map(|x| x.encoding_witness())
-            .collect();
-
         for idx in 0..DEFAULT_NUM_PERMUTATION_ARGUMENT_REPETITIONS {
             let (lhs_grand_product_chain, rhs_grand_product_chain) = compute_grand_product_chains(
                 &lhs_contributions.iter().collect(),
@@ -355,18 +355,14 @@ pub(crate) fn compute_ram_circuit_snapshots<CB: FnMut(WitnessGenerationArtifact)
                 },
             },
             // we will need witnesses to pop elements from the front of the queue
-            unsorted_queue_witness: FullStateCircuitQueueRawWitness {
-                elements: unsorted_queries_in_chunk
-                    .into_iter()
-                    .map(|x| (x.reflect(), [Field::ZERO; FULL_SPONGE_QUEUE_STATE_WIDTH]))
-                    .collect(),
-            },
-            sorted_queue_witness: FullStateCircuitQueueRawWitness {
-                elements: sorted_queries_in_chunk
-                    .into_iter()
-                    .map(|x| (x.reflect(), [Field::ZERO; FULL_SPONGE_QUEUE_STATE_WIDTH]))
-                    .collect(),
-            },
+            unsorted_queue_witness: unsorted_queries_in_chunk
+                .into_par_iter()
+                .map(|x| x.reflect())
+                .collect(),
+            sorted_queue_witness: sorted_queries_in_chunk
+                .into_par_iter()
+                .map(|x| x.reflect())
+                .collect(),
         };
 
         if sorted_states_len % per_circuit_capacity != 0 {