Refactor packet deduplication and harden bench test (#22080)

core/benches/banking_stage.rs

@@ -10,6 +10,7 @@ use {
     rayon::prelude::*,
     solana_core::{
         banking_stage::{BankingStage, BankingStageStats},
+        packet_deduper::PacketDeduper,
         qos_service::QosService,
     },
     solana_entry::entry::{next_hash, Entry},
@@ -221,6 +222,7 @@ fn bench_banking(bencher: &mut Bencher, tx_type: TransactionType) {
         );
         let cluster_info = Arc::new(cluster_info);
         let (s, _r) = unbounded();
+        let packet_deduper = PacketDeduper::default();
         let _banking_stage = BankingStage::new(
             &cluster_info,
             &poh_recorder,
@@ -230,6 +232,7 @@ fn bench_banking(bencher: &mut Bencher, tx_type: TransactionType) {
             None,
             s,
             Arc::new(RwLock::new(CostModel::default())),
+            packet_deduper.clone(),
         );
         poh_recorder.lock().unwrap().set_bank(&bank);
 
@@ -264,6 +267,7 @@ fn bench_banking(bencher: &mut Bencher, tx_type: TransactionType) {
             // in this chunk, but since we rotate between CHUNKS then
             // we should clear them by the time we come around again to re-use that chunk.
             bank.clear_signatures();
+            packet_deduper.reset();
             trace!(
                 "time: {} checked: {} sent: {}",
                 duration_as_us(&now.elapsed()),