Optimize packet dedup (#22571)

* Use bloom filter to dedup packets

* dedup first

* Update bloom/src/bloom.rs

Co-authored-by: Trent Nelson <trent.a.b.nelson@gmail.com>

* Update core/src/sigverify_stage.rs

Co-authored-by: Trent Nelson <trent.a.b.nelson@gmail.com>

* Update core/src/sigverify_stage.rs

Co-authored-by: Trent Nelson <trent.a.b.nelson@gmail.com>

* Update core/src/sigverify_stage.rs

Co-authored-by: Trent Nelson <trent.a.b.nelson@gmail.com>

* fixup

* fixup

* fixup

Co-authored-by: Trent Nelson <trent.a.b.nelson@gmail.com>

Cargo.lock

@@ -4437,6 +4437,23 @@ dependencies = [
  "solana-version",
 ]
 
+[[package]]
+name = "solana-bloom"
+version = "1.10.0"
+dependencies = [
+ "bv",
+ "fnv",
+ "log 0.4.14",
+ "rand 0.7.3",
+ "rayon",
+ "rustc_version 0.4.0",
+ "serde",
+ "serde_derive",
+ "solana-frozen-abi 1.10.0",
+ "solana-frozen-abi-macro 1.10.0",
+ "solana-sdk",
+]
+
 [[package]]
 name = "solana-bpf-loader-program"
 version = "1.10.0"
@@ -4707,6 +4724,7 @@ dependencies = [
  "serial_test",
  "solana-accountsdb-plugin-manager",
  "solana-address-lookup-table-program",
+ "solana-bloom",
  "solana-client",
  "solana-entry",
  "solana-frozen-abi 1.10.0",
@@ -4930,6 +4948,7 @@ dependencies = [
  "serde_bytes",
  "serde_derive",
  "serial_test",
+ "solana-bloom",
  "solana-clap-utils",
  "solana-client",
  "solana-entry",
@@ -5241,10 +5260,12 @@ name = "solana-perf"
 version = "1.10.0"
 dependencies = [
  "bincode",
+ "bv",
  "caps",
  "curve25519-dalek 3.2.0",
  "dlopen",
  "dlopen_derive",
+ "fnv",
  "lazy_static",
  "libc",
  "log 0.4.14",
@@ -5253,6 +5274,7 @@ dependencies = [
  "rand 0.7.3",
  "rayon",
  "serde",
+ "solana-bloom",
  "solana-logger 1.10.0",
  "solana-metrics",
  "solana-rayon-threadlimit",
@@ -5609,6 +5631,7 @@ dependencies = [
  "serde",
  "serde_derive",
  "solana-address-lookup-table-program",
+ "solana-bloom",
  "solana-bucket-map",
  "solana-compute-budget-program",
  "solana-config-program",

Cargo.toml

@@ -11,6 +11,7 @@ members = [
     "banks-interface",
     "banks-server",
     "bucket_map",
+    "bloom",
     "clap-utils",
     "cli-config",
     "cli-output",

banking-bench/src/main.rs

@@ -5,7 +5,7 @@ use {
     log::*,
     rand::{thread_rng, Rng},
     rayon::prelude::*,
-    solana_core::{banking_stage::BankingStage, packet_deduper::PacketDeduper},
+    solana_core::banking_stage::BankingStage,
     solana_gossip::cluster_info::{ClusterInfo, Node},
     solana_ledger::{
         blockstore::Blockstore,
@@ -226,7 +226,6 @@ fn main() {
             SocketAddrSpace::Unspecified,
         );
         let cluster_info = Arc::new(cluster_info);
-        let packet_deduper = PacketDeduper::default();
         let banking_stage = BankingStage::new(
             &cluster_info,
             &poh_recorder,
@@ -236,7 +235,6 @@ fn main() {
             None,
             replay_vote_sender,
             Arc::new(RwLock::new(CostModel::default())),
-            packet_deduper.clone(),
         );
         poh_recorder.lock().unwrap().set_bank(&bank);
 
@@ -351,7 +349,6 @@ fn main() {
             // 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();
             total_us += duration_as_us(&now.elapsed());
             debug!(
                 "time: {} us checked: {} sent: {}",

bloom/Cargo.toml

@@ -0,0 +1,32 @@
+[package]
+name = "solana-bloom"
+version = "1.10.0"
+description = "Solana bloom filter"
+authors = ["Solana Maintainers <maintainers@solana.foundation>"]
+repository = "https://github.com/solana-labs/solana"
+license = "Apache-2.0"
+homepage = "https://solana.com/"
+documentation = "https://docs.rs/solana-bloom"
+edition = "2021"
+
+[dependencies]
+bv = { version = "0.11.1", features = ["serde"] }
+fnv = "1.0.7"
+rand = "0.7.0"
+serde = { version = "1.0.133", features = ["rc"] }
+rayon = "1.5.1"
+serde_derive = "1.0.103"
+solana-frozen-abi = { path = "../frozen-abi", version = "=1.10.0" }
+solana-frozen-abi-macro = { path = "../frozen-abi/macro", version = "=1.10.0" }
+solana-sdk = { path = "../sdk", version = "=1.10.0" }
+log = "0.4.14"
+
+[lib]
+crate-type = ["lib"]
+name = "solana_bloom"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[build-dependencies]
+rustc_version = "0.4"

bloom/benches/bloom.rs

@@ -5,7 +5,7 @@ use {
     bv::BitVec,
     fnv::FnvHasher,
     rand::Rng,
-    solana_runtime::bloom::{AtomicBloom, Bloom, BloomHashIndex},
+    solana_bloom::bloom::{AtomicBloom, Bloom, BloomHashIndex},
     solana_sdk::{
         hash::{hash, Hash},
         signature::Signature,

bloom/build.rs

@@ -0,0 +1 @@
+../frozen-abi/build.rs

bloom/src/bloom.rs

@@ -101,7 +101,7 @@ impl<T: BloomHashIndex> Bloom<T> {
         }
     }
     fn pos(&self, key: &T, k: u64) -> u64 {
-        key.hash_at_index(k) % self.bits.len()
+        key.hash_at_index(k).wrapping_rem(self.bits.len())
     }
     pub fn clear(&mut self) {
         self.bits = BitVec::new_fill(false, self.bits.len());
@@ -111,7 +111,7 @@ impl<T: BloomHashIndex> Bloom<T> {
         for k in &self.keys {
             let pos = self.pos(key, *k);
             if !self.bits.get(pos) {
-                self.num_bits_set += 1;
+                self.num_bits_set = self.num_bits_set.saturating_add(1);
                 self.bits.set(pos, true);
             }
         }
@@ -164,13 +164,13 @@ impl<T: BloomHashIndex> From<Bloom<T>> for AtomicBloom<T> {
 
 impl<T: BloomHashIndex> AtomicBloom<T> {
     fn pos(&self, key: &T, hash_index: u64) -> (usize, u64) {
-        let pos = key.hash_at_index(hash_index) % self.num_bits;
+        let pos = key.hash_at_index(hash_index).wrapping_rem(self.num_bits);
         // Divide by 64 to figure out which of the
         // AtomicU64 bit chunks we need to modify.
-        let index = pos >> 6;
+        let index = pos.wrapping_shr(6);
         // (pos & 63) is equivalent to mod 64 so that we can find
         // the index of the bit within the AtomicU64 to modify.
-        let mask = 1u64 << (pos & 63);
+        let mask = 1u64.wrapping_shl(u32::try_from(pos & 63).unwrap());
         (index as usize, mask)
     }
 

bloom/src/lib.rs

@@ -0,0 +1,5 @@
+#![cfg_attr(RUSTC_WITH_SPECIALIZATION, feature(min_specialization))]
+pub mod bloom;
+
+#[macro_use]
+extern crate solana_frozen_abi_macro;

core/Cargo.toml

@@ -34,6 +34,7 @@ retain_mut = "0.1.5"
 serde = "1.0.133"
 serde_derive = "1.0.103"
 solana-address-lookup-table-program = { path = "../programs/address-lookup-table", version = "=1.10.0" }
+solana-bloom = { path = "../bloom", version = "=1.10.0" }
 solana-accountsdb-plugin-manager = { path = "../accountsdb-plugin-manager", version = "=1.10.0" }
 solana-client = { path = "../client", version = "=1.10.0" }
 solana-entry = { path = "../entry", version = "=1.10.0" }

core/benches/banking_stage.rs

@@ -10,7 +10,6 @@ use {
     rayon::prelude::*,
     solana_core::{
         banking_stage::{BankingStage, BankingStageStats},
-        packet_deduper::PacketDeduper,
         qos_service::QosService,
     },
     solana_entry::entry::{next_hash, Entry},
@@ -222,7 +221,6 @@ 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,
@@ -232,7 +230,6 @@ 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);
 
@@ -267,7 +264,6 @@ 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()),

core/src/banking_stage.rs

@@ -2,7 +2,7 @@
 //! to contruct a software pipeline. The stage uses all available CPU cores and
 //! can do its processing in parallel with signature verification on the GPU.
 use {
-    crate::{packet_deduper::PacketDeduper, qos_service::QosService},
+    crate::qos_service::QosService,
     crossbeam_channel::{Receiver as CrossbeamReceiver, RecvTimeoutError},
     histogram::Histogram,
     itertools::Itertools,
@@ -328,7 +328,6 @@ impl BankingStage {
         transaction_status_sender: Option<TransactionStatusSender>,
         gossip_vote_sender: ReplayVoteSender,
         cost_model: Arc<RwLock<CostModel>>,
-        packet_deduper: PacketDeduper,
     ) -> Self {
         Self::new_num_threads(
             cluster_info,
@@ -340,7 +339,6 @@ impl BankingStage {
             transaction_status_sender,
             gossip_vote_sender,
             cost_model,
-            packet_deduper,
         )
     }
 
@@ -355,7 +353,6 @@ impl BankingStage {
         transaction_status_sender: Option<TransactionStatusSender>,
         gossip_vote_sender: ReplayVoteSender,
         cost_model: Arc<RwLock<CostModel>>,
-        packet_deduper: PacketDeduper,
     ) -> Self {
         let batch_limit = TOTAL_BUFFERED_PACKETS / ((num_threads - 1) as usize * PACKETS_PER_BATCH);
         // Single thread to generate entries from many banks.
@@ -384,7 +381,6 @@ impl BankingStage {
                 let mut recv_start = Instant::now();
                 let transaction_status_sender = transaction_status_sender.clone();
                 let gossip_vote_sender = gossip_vote_sender.clone();
-                let packet_deduper = packet_deduper.clone();
                 let data_budget = data_budget.clone();
                 let cost_model = cost_model.clone();
                 Builder::new()
@@ -400,7 +396,6 @@ impl BankingStage {
                             batch_limit,
                             transaction_status_sender,
                             gossip_vote_sender,
-                            &packet_deduper,
                             &data_budget,
                             cost_model,
                         );
@@ -755,7 +750,6 @@ impl BankingStage {
         batch_limit: usize,
         transaction_status_sender: Option<TransactionStatusSender>,
         gossip_vote_sender: ReplayVoteSender,
-        packet_deduper: &PacketDeduper,
         data_budget: &DataBudget,
         cost_model: Arc<RwLock<CostModel>>,
     ) {
@@ -808,7 +802,6 @@ impl BankingStage {
                 batch_limit,
                 &mut buffered_packet_batches,
                 &mut banking_stage_stats,
-                packet_deduper,
             ) {
                 Ok(()) | Err(RecvTimeoutError::Timeout) => (),
                 Err(RecvTimeoutError::Disconnected) => break,
@@ -1413,7 +1406,6 @@ impl BankingStage {
         batch_limit: usize,
         buffered_packet_batches: &mut UnprocessedPacketBatches,
         banking_stage_stats: &mut BankingStageStats,
-        packet_deduper: &PacketDeduper,
     ) -> Result<(), RecvTimeoutError> {
         let mut recv_time = Measure::start("receive_and_buffer_packets_recv");
         let packet_batches = verified_receiver.recv_timeout(recv_timeout)?;
@@ -1444,7 +1436,6 @@ impl BankingStage {
                 &mut dropped_packets_count,
                 &mut newly_buffered_packets_count,
                 batch_limit,
-                packet_deduper,
                 banking_stage_stats,
             );
         }
@@ -1490,15 +1481,13 @@ impl BankingStage {
     fn push_unprocessed(
         unprocessed_packet_batches: &mut UnprocessedPacketBatches,
         packet_batch: PacketBatch,
-        mut packet_indexes: Vec<usize>,
+        packet_indexes: Vec<usize>,
         dropped_packet_batches_count: &mut usize,
         dropped_packets_count: &mut usize,
         newly_buffered_packets_count: &mut usize,
         batch_limit: usize,
-        packet_deduper: &PacketDeduper,
         banking_stage_stats: &mut BankingStageStats,
     ) {
-        packet_deduper.dedupe_packets(&packet_batch, &mut packet_indexes, banking_stage_stats);
         if Self::packet_has_more_unprocessed_transactions(&packet_indexes) {
             if unprocessed_packet_batches.len() >= batch_limit {
                 *dropped_packet_batches_count += 1;
@@ -1658,7 +1647,6 @@ mod tests {
                 None,
                 gossip_vote_sender,
                 Arc::new(RwLock::new(CostModel::default())),
-                PacketDeduper::default(),
             );
             drop(verified_sender);
             drop(gossip_verified_vote_sender);
@@ -1708,7 +1696,6 @@ mod tests {
                 None,
                 gossip_vote_sender,
                 Arc::new(RwLock::new(CostModel::default())),
-                PacketDeduper::default(),
             );
             trace!("sending bank");
             drop(verified_sender);
@@ -1784,7 +1771,6 @@ mod tests {
                 None,
                 gossip_vote_sender,
                 Arc::new(RwLock::new(CostModel::default())),
-                PacketDeduper::default(),
             );
 
             // fund another account so we can send 2 good transactions in a single batch.
@@ -1936,7 +1922,6 @@ mod tests {
                     None,
                     gossip_vote_sender,
                     Arc::new(RwLock::new(CostModel::default())),
-                    PacketDeduper::default(),
                 );
 
                 // wait for banking_stage to eat the packets
@@ -3237,7 +3222,6 @@ mod tests {
         let new_packet_batch = PacketBatch::new(vec![Packet::default()]);
         let packet_indexes = vec![];
 
-        let packet_deduper = PacketDeduper::default();
         let mut dropped_packet_batches_count = 0;
         let mut dropped_packets_count = 0;
         let mut newly_buffered_packets_count = 0;
@@ -3252,7 +3236,6 @@ mod tests {
             &mut dropped_packets_count,
             &mut newly_buffered_packets_count,
             batch_limit,
-            &packet_deduper,
             &mut banking_stage_stats,
         );
         assert_eq!(unprocessed_packets.len(), 1);
@@ -3271,7 +3254,6 @@ mod tests {
             &mut dropped_packets_count,
             &mut newly_buffered_packets_count,
             batch_limit,
-            &packet_deduper,
             &mut banking_stage_stats,
         );
         assert_eq!(unprocessed_packets.len(), 2);
@@ -3287,27 +3269,6 @@ mod tests {
         )
         .unwrap()]);
         assert_eq!(unprocessed_packets.len(), batch_limit);
-        BankingStage::push_unprocessed(
-            &mut unprocessed_packets,
-            new_packet_batch.clone(),
-            packet_indexes.clone(),
-            &mut dropped_packet_batches_count,
-            &mut dropped_packets_count,
-            &mut newly_buffered_packets_count,
-            batch_limit,
-            &packet_deduper,
-            &mut banking_stage_stats,
-        );
-        assert_eq!(unprocessed_packets.len(), 2);
-        assert_eq!(
-            unprocessed_packets[1].0.packets[0],
-            new_packet_batch.packets[0]
-        );
-        assert_eq!(dropped_packet_batches_count, 1);
-        assert_eq!(dropped_packets_count, 2);
-        assert_eq!(newly_buffered_packets_count, 2);
-
-        // Check duplicates are dropped (newly buffered shouldn't change)
         BankingStage::push_unprocessed(
             &mut unprocessed_packets,
             new_packet_batch.clone(),
@@ -3315,8 +3276,7 @@ mod tests {
             &mut dropped_packet_batches_count,
             &mut dropped_packets_count,
             &mut newly_buffered_packets_count,
-            3,
+            batch_limit,
-            &packet_deduper,
             &mut banking_stage_stats,
         );
         assert_eq!(unprocessed_packets.len(), 2);

core/src/lib.rs

@@ -31,7 +31,6 @@ pub mod latest_validator_votes_for_frozen_banks;
 pub mod ledger_cleanup_service;
 pub mod optimistic_confirmation_verifier;
 pub mod outstanding_requests;
-pub mod packet_deduper;
 pub mod packet_hasher;
 pub mod progress_map;
 pub mod qos_service;

core/src/packet_deduper.rs

@@ -1,63 +0,0 @@
-use {
-    crate::{banking_stage::BankingStageStats, packet_hasher::PacketHasher},
-    lru::LruCache,
-    solana_measure::measure::Measure,
-    solana_perf::packet::PacketBatch,
-    std::{
-        ops::DerefMut,
-        sync::{atomic::Ordering, Arc, Mutex},
-    },
-};
-
-const DEFAULT_LRU_SIZE: usize = 200_000;
-
-#[derive(Clone)]
-pub struct PacketDeduper(Arc<Mutex<(LruCache<u64, ()>, PacketHasher)>>);
-
-impl Default for PacketDeduper {
-    fn default() -> Self {
-        Self(Arc::new(Mutex::new((
-            LruCache::new(DEFAULT_LRU_SIZE),
-            PacketHasher::default(),
-        ))))
-    }
-}
-
-impl PacketDeduper {
-    pub fn dedupe_packets(
-        &self,
-        packet_batch: &PacketBatch,
-        packet_indexes: &mut Vec<usize>,
-        banking_stage_stats: &BankingStageStats,
-    ) {
-        let original_packets_count = packet_indexes.len();
-        let mut packet_duplicate_check_time = Measure::start("packet_duplicate_check");
-        let mut duplicates = self.0.lock().unwrap();
-        let (cache, hasher) = duplicates.deref_mut();
-        packet_indexes.retain(|i| {
-            let packet_hash = hasher.hash_packet(&packet_batch.packets[*i]);
-            match cache.get_mut(&packet_hash) {
-                Some(_hash) => false,
-                None => {
-                    cache.put(packet_hash, ());
-                    true
-                }
-            }
-        });
-        packet_duplicate_check_time.stop();
-        banking_stage_stats
-            .packet_duplicate_check_elapsed
-            .fetch_add(packet_duplicate_check_time.as_us(), Ordering::Relaxed);
-        banking_stage_stats
-            .dropped_duplicated_packets_count
-            .fetch_add(
-                original_packets_count.saturating_sub(packet_indexes.len()),
-                Ordering::Relaxed,
-            );
-    }
-
-    pub fn reset(&self) {
-        let mut duplicates = self.0.lock().unwrap();
-        duplicates.0.clear();
-    }
-}

core/src/sigverify_stage.rs

@@ -7,10 +7,13 @@
 
 use {
     crate::sigverify,
+    core::time::Duration,
     crossbeam_channel::{Receiver, RecvTimeoutError, SendError, Sender},
     itertools::Itertools,
+    solana_bloom::bloom::{AtomicBloom, Bloom},
     solana_measure::measure::Measure,
     solana_perf::packet::PacketBatch,
+    solana_perf::sigverify::dedup_packets,
     solana_sdk::timing,
     solana_streamer::streamer::{self, PacketBatchReceiver, StreamerError},
     std::{
@@ -49,10 +52,13 @@ struct SigVerifierStats {
     recv_batches_us_hist: histogram::Histogram, // time to call recv_batch
     verify_batches_pp_us_hist: histogram::Histogram, // per-packet time to call verify_batch
     discard_packets_pp_us_hist: histogram::Histogram, // per-packet time to call verify_batch
+    dedup_packets_pp_us_hist: histogram::Histogram, // per-packet time to call verify_batch
     batches_hist: histogram::Histogram,         // number of packet batches per verify call
     packets_hist: histogram::Histogram,         // number of packets per verify call
     total_batches: usize,
     total_packets: usize,
+    total_dedup: usize,
+    total_excess_fail: usize,
 }
 
 impl SigVerifierStats {
@@ -121,6 +127,26 @@ impl SigVerifierStats {
                 self.discard_packets_pp_us_hist.mean().unwrap_or(0),
                 i64
             ),
+            (
+                "dedup_packets_pp_us_90pct",
+                self.dedup_packets_pp_us_hist.percentile(90.0).unwrap_or(0),
+                i64
+            ),
+            (
+                "dedup_packets_pp_us_min",
+                self.dedup_packets_pp_us_hist.minimum().unwrap_or(0),
+                i64
+            ),
+            (
+                "dedup_packets_pp_us_max",
+                self.dedup_packets_pp_us_hist.maximum().unwrap_or(0),
+                i64
+            ),
+            (
+                "dedup_packets_pp_us_mean",
+                self.dedup_packets_pp_us_hist.mean().unwrap_or(0),
+                i64
+            ),
             (
                 "batches_90pct",
                 self.batches_hist.percentile(90.0).unwrap_or(0),
@@ -139,6 +165,8 @@ impl SigVerifierStats {
             ("packets_mean", self.packets_hist.mean().unwrap_or(0), i64),
             ("total_batches", self.total_batches, i64),
             ("total_packets", self.total_packets, i64),
+            ("total_dedup", self.total_dedup, i64),
+            ("total_excess_fail", self.total_excess_fail, i64),
         );
     }
 }
@@ -186,6 +214,7 @@ impl SigVerifyStage {
     }
 
     fn verifier<T: SigVerifier>(
+        bloom: &AtomicBloom<&[u8]>,
         recvr: &PacketBatchReceiver,
         sendr: &Sender<Vec<PacketBatch>>,
         verifier: &T,
@@ -199,13 +228,22 @@ impl SigVerifyStage {
             timing::timestamp(),
             num_packets,
         );
+
+        let mut dedup_time = Measure::start("sigverify_dedup_time");
+        let dedup_fail = dedup_packets(bloom, &mut batches) as usize;
+        dedup_time.stop();
+        let valid_packets = num_packets.saturating_sub(dedup_fail);
+
         let mut discard_time = Measure::start("sigverify_discard_time");
-        if num_packets > MAX_SIGVERIFY_BATCH {
+        if valid_packets > MAX_SIGVERIFY_BATCH {
-            Self::discard_excess_packets(&mut batches, MAX_SIGVERIFY_BATCH);
+            Self::discard_excess_packets(&mut batches, MAX_SIGVERIFY_BATCH)
-        }
+        };
+        let excess_fail = valid_packets.saturating_sub(MAX_SIGVERIFY_BATCH);
         discard_time.stop();
+
         let mut verify_batch_time = Measure::start("sigverify_batch_time");
-        sendr.send(verifier.verify_batches(batches))?;
+        let batches = verifier.verify_batches(batches);
+        sendr.send(batches)?;
         verify_batch_time.stop();
 
         debug!(
@@ -229,10 +267,16 @@ impl SigVerifyStage {
             .discard_packets_pp_us_hist
             .increment(discard_time.as_us() / (num_packets as u64))
             .unwrap();
+        stats
+            .dedup_packets_pp_us_hist
+            .increment(dedup_time.as_us() / (num_packets as u64))
+            .unwrap();
         stats.batches_hist.increment(batches_len as u64).unwrap();
         stats.packets_hist.increment(num_packets as u64).unwrap();
         stats.total_batches += batches_len;
         stats.total_packets += num_packets;
+        stats.total_dedup += dedup_fail;
+        stats.total_excess_fail += excess_fail;
 
         Ok(())
     }
@@ -245,12 +289,30 @@ impl SigVerifyStage {
         let verifier = verifier.clone();
         let mut stats = SigVerifierStats::default();
         let mut last_print = Instant::now();
+        const MAX_BLOOM_AGE: Duration = Duration::from_millis(2_000);
+        const MAX_BLOOM_ITEMS: usize = 1_000_000;
+        const MAX_BLOOM_FAIL: f64 = 0.0001;
+        const MAX_BLOOM_BITS: usize = 8 << 22;
         Builder::new()
             .name("solana-verifier".to_string())
-            .spawn(move || loop {
+            .spawn(move || {
-                if let Err(e) =
+                let mut bloom =
-                    Self::verifier(&packet_receiver, &verified_sender, &verifier, &mut stats)
+                    Bloom::random(MAX_BLOOM_ITEMS, MAX_BLOOM_FAIL, MAX_BLOOM_BITS).into();
-                {
+                let mut bloom_age = Instant::now();
+                loop {
+                    let now = Instant::now();
+                    if now.duration_since(bloom_age) > MAX_BLOOM_AGE {
+                        bloom =
+                            Bloom::random(MAX_BLOOM_ITEMS, MAX_BLOOM_FAIL, MAX_BLOOM_BITS).into();
+                        bloom_age = now;
+                    }
+                    if let Err(e) = Self::verifier(
+                        &bloom,
+                        &packet_receiver,
+                        &verified_sender,
+                        &verifier,
+                        &mut stats,
+                    ) {
                         match e {
                             SigVerifyServiceError::Streamer(StreamerError::RecvTimeout(
                                 RecvTimeoutError::Disconnected,
@@ -269,6 +331,7 @@ impl SigVerifyStage {
                         stats = SigVerifierStats::default();
                         last_print = Instant::now();
                     }
+                }
             })
             .unwrap()
     }

core/src/tpu.rs

@@ -10,7 +10,6 @@ use {
             GossipVerifiedVoteHashSender, VerifiedVoteSender, VoteTracker,
         },
         fetch_stage::FetchStage,
-        packet_deduper::PacketDeduper,
         sigverify::TransactionSigVerifier,
         sigverify_stage::SigVerifyStage,
     },
@@ -141,7 +140,6 @@ impl Tpu {
             transaction_status_sender,
             replay_vote_sender,
             cost_model.clone(),
-            PacketDeduper::default(),
         );
 
         let broadcast_stage = broadcast_type.new_broadcast_stage(

gossip/Cargo.toml

@@ -39,6 +39,7 @@ solana-metrics = { path = "../metrics", version = "=1.10.0" }
 solana-net-utils = { path = "../net-utils", version = "=1.10.0" }
 solana-perf = { path = "../perf", version = "=1.10.0" }
 solana-rayon-threadlimit = { path = "../rayon-threadlimit", version = "=1.10.0" }
+solana-bloom = { path = "../bloom", version = "=1.10.0" }
 solana-runtime = { path = "../runtime", version = "=1.10.0" }
 solana-streamer = { path = "../streamer", version = "=1.10.0" }
 solana-sdk = { path = "../sdk", version = "=1.10.0" }

gossip/src/cluster_info.rs

@@ -261,7 +261,7 @@ pub fn make_accounts_hashes_message(
 pub(crate) type Ping = ping_pong::Ping<[u8; GOSSIP_PING_TOKEN_SIZE]>;
 
 // TODO These messages should go through the gpu pipeline for spam filtering
-#[frozen_abi(digest = "4qB65g6HSnHFxkhZuvMEBCLHARBda1HBwJ8qeQ5RZ6Pk")]
+#[frozen_abi(digest = "C1nR7B7CgMyUYo6h3z2KXcS38JSwF6y8jmZ6Y9Cz7XEd")]
 #[derive(Serialize, Deserialize, Debug, AbiEnumVisitor, AbiExample)]
 #[allow(clippy::large_enum_variant)]
 pub(crate) enum Protocol {

gossip/src/crds_gossip_pull.rs

@@ -25,7 +25,7 @@ use {
     lru::LruCache,
     rand::Rng,
     rayon::{prelude::*, ThreadPool},
-    solana_runtime::bloom::{AtomicBloom, Bloom},
+    solana_bloom::bloom::{AtomicBloom, Bloom},
     solana_sdk::{
         hash::{hash, Hash},
         pubkey::Pubkey,

gossip/src/crds_gossip_push.rs

@@ -26,7 +26,7 @@ use {
     itertools::Itertools,
     lru::LruCache,
     rand::{seq::SliceRandom, Rng},
-    solana_runtime::bloom::{AtomicBloom, Bloom},
+    solana_bloom::bloom::{AtomicBloom, Bloom},
     solana_sdk::{packet::PACKET_DATA_SIZE, pubkey::Pubkey, timing::timestamp},
     solana_streamer::socket::SocketAddrSpace,
     std::{

perf/Cargo.toml

@@ -15,10 +15,13 @@ curve25519-dalek = { version = "3" }
 dlopen = "0.1.8"
 dlopen_derive = "0.1.4"
 lazy_static = "1.4.0"
+bv = { version = "0.11.1", features = ["serde"] }
+fnv = "1.0.7"
 log = "0.4.14"
 rand = "0.7.0"
 rayon = "1.5.1"
 serde = "1.0.133"
+solana-bloom = { path = "../bloom", version = "=1.10.0" }
 solana-metrics = { path = "../metrics", version = "=1.10.0" }
 solana-sdk = { path = "../sdk", version = "=1.10.0" }
 solana-vote-program = { path = "../programs/vote", version = "=1.10.0" }

perf/benches/dedup.rs

@@ -0,0 +1,45 @@
+#![feature(test)]
+
+extern crate test;
+
+use {
+    solana_bloom::bloom::{AtomicBloom, Bloom},
+    solana_perf::{packet::to_packet_batches, sigverify, test_tx::test_tx},
+    test::Bencher,
+};
+
+#[bench]
+fn bench_dedup_same(bencher: &mut Bencher) {
+    let tx = test_tx();
+
+    // generate packet vector
+    let mut batches = to_packet_batches(
+        &std::iter::repeat(tx).take(64 * 1024).collect::<Vec<_>>(),
+        128,
+    );
+    let packet_count = sigverify::count_packets_in_batches(&batches);
+    let bloom: AtomicBloom<&[u8]> = Bloom::random(1_000_000, 0.0001, 8 << 22).into();
+
+    println!("packet_count {} {}", packet_count, batches.len());
+
+    // verify packets
+    bencher.iter(|| {
+        let _ans = sigverify::dedup_packets(&bloom, &mut batches);
+    })
+}
+
+#[bench]
+fn bench_dedup_diff(bencher: &mut Bencher) {
+    // generate packet vector
+    let mut batches =
+        to_packet_batches(&(0..64 * 1024).map(|_| test_tx()).collect::<Vec<_>>(), 128);
+    let packet_count = sigverify::count_packets_in_batches(&batches);
+    let bloom: AtomicBloom<&[u8]> = Bloom::random(1_000_000, 0.0001, 8 << 22).into();
+
+    println!("packet_count {} {}", packet_count, batches.len());
+
+    // verify packets
+    bencher.iter(|| {
+        let _ans = sigverify::dedup_packets(&bloom, &mut batches);
+    })
+}

perf/src/sigverify.rs

@@ -4,6 +4,7 @@
 //! to the GPU.
 //!
 
+use solana_bloom::bloom::AtomicBloom;
 #[cfg(test)]
 use solana_sdk::transaction::Transaction;
 use {
@@ -23,6 +24,7 @@ use {
         short_vec::decode_shortu16_len,
         signature::Signature,
     },
+    std::sync::atomic::{AtomicU64, Ordering},
     std::{convert::TryFrom, mem::size_of},
 };
 
@@ -418,6 +420,37 @@ pub fn generate_offsets(
     )
 }
 
+fn dedup_packet(count: &AtomicU64, packet: &mut Packet, bloom: &AtomicBloom<&[u8]>) {
+    // If this packet was already marked as discard, drop it
+    if packet.meta.discard() {
+        return;
+    }
+
+    if bloom.contains(&packet.data.as_slice()) {
+        packet.meta.set_discard(true);
+        count.fetch_add(1, Ordering::Relaxed);
+        return;
+    }
+    bloom.add(&packet.data.as_slice());
+}
+
+pub fn dedup_packets(bloom: &AtomicBloom<&[u8]>, batches: &mut [PacketBatch]) -> u64 {
+    use rayon::prelude::*;
+    let packet_count = count_packets_in_batches(batches);
+    // machine specific random offset to read the u64 from the packet signature
+    let count = AtomicU64::new(0);
+    PAR_THREAD_POOL.install(|| {
+        batches.into_par_iter().for_each(|batch| {
+            batch
+                .packets
+                .par_iter_mut()
+                .for_each(|p| dedup_packet(&count, p, bloom))
+        })
+    });
+    inc_new_counter_debug!("dedup_packets_total", packet_count);
+    count.load(Ordering::Relaxed)
+}
+
 pub fn ed25519_verify_cpu(batches: &mut [PacketBatch], reject_non_vote: bool) {
     use rayon::prelude::*;
     let packet_count = count_packets_in_batches(batches);
@@ -597,11 +630,12 @@ mod tests {
     use {
         super::*,
         crate::{
-            packet::{Packet, PacketBatch},
+            packet::{to_packet_batches, Packet, PacketBatch},
             sigverify::{self, PacketOffsets},
             test_tx::{new_test_vote_tx, test_multisig_tx, test_tx},
         },
         bincode::{deserialize, serialize},
+        solana_bloom::bloom::{AtomicBloom, Bloom},
         solana_sdk::{
             instruction::CompiledInstruction,
             message::{Message, MessageHeader},
@@ -1261,4 +1295,31 @@ mod tests {
                 current_offset = current_offset.saturating_add(size_of::<Packet>());
             });
     }
+
+    #[test]
+    fn test_dedup_same() {
+        let tx = test_tx();
+
+        // generate packet vector
+        let mut batches =
+            to_packet_batches(&std::iter::repeat(tx).take(1024).collect::<Vec<_>>(), 128);
+        let packet_count = sigverify::count_packets_in_batches(&batches);
+        let bloom: AtomicBloom<&[u8]> = Bloom::random(1_000_000, 0.0001, 8 << 20).into();
+        let discard = sigverify::dedup_packets(&bloom, &mut batches) as usize;
+        // because dedup uses a threadpool, there maybe up to N threads of txs that go through
+        let n = get_thread_count();
+        assert!(packet_count < discard + n * 2);
+    }
+
+    #[test]
+    fn test_dedup_diff() {
+        // generate packet vector
+        let mut batches = to_packet_batches(&(0..1024).map(|_| test_tx()).collect::<Vec<_>>(), 128);
+
+        let bloom: AtomicBloom<&[u8]> = Bloom::random(1_000_000, 0.0001, 8 << 20).into();
+        let discard = sigverify::dedup_packets(&bloom, &mut batches) as usize;
+        // because dedup uses a threadpool, there maybe up to N threads of txs that go through
+        let n = get_thread_count();
+        assert!(discard < n * 2);
+    }
 }

programs/bpf/Cargo.lock

@@ -2686,6 +2686,23 @@ dependencies = [
  "tokio-stream",
 ]
 
+[[package]]
+name = "solana-bloom"
+version = "1.10.0"
+dependencies = [
+ "bv",
+ "fnv",
+ "log",
+ "rand 0.7.3",
+ "rayon",
+ "rustc_version 0.4.0",
+ "serde",
+ "serde_derive",
+ "solana-frozen-abi 1.10.0",
+ "solana-frozen-abi-macro 1.10.0",
+ "solana-sdk",
+]
+
 [[package]]
 name = "solana-bpf-loader-program"
 version = "1.10.0"
@@ -3309,10 +3326,12 @@ name = "solana-perf"
 version = "1.10.0"
 dependencies = [
  "bincode",
+ "bv",
  "caps",
  "curve25519-dalek 3.2.0",
  "dlopen",
  "dlopen_derive",
+ "fnv",
  "lazy_static",
  "libc",
  "log",
@@ -3320,6 +3339,7 @@ dependencies = [
  "rand 0.7.3",
  "rayon",
  "serde",
+ "solana-bloom",
  "solana-metrics",
  "solana-rayon-threadlimit",
  "solana-sdk",
@@ -3501,6 +3521,7 @@ dependencies = [
  "serde",
  "serde_derive",
  "solana-address-lookup-table-program",
+ "solana-bloom",
  "solana-bucket-map",
  "solana-compute-budget-program",
  "solana-config-program",

runtime/Cargo.toml

@@ -38,6 +38,7 @@ serde = { version = "1.0.133", features = ["rc"] }
 serde_derive = "1.0.103"
 solana-address-lookup-table-program = { path = "../programs/address-lookup-table", version = "=1.10.0" }
 solana-bucket-map = { path = "../bucket_map", version = "=1.10.0" }
+solana-bloom = { path = "../bloom", version = "=1.10.0" }
 solana-compute-budget-program = { path = "../programs/compute-budget", version = "=1.10.0" }
 solana-config-program = { path = "../programs/config", version = "=1.10.0" }
 solana-frozen-abi = { path = "../frozen-abi", version = "=1.10.0" }

runtime/src/lib.rs

@@ -18,7 +18,6 @@ pub mod bank_forks;
 pub mod bank_utils;
 pub mod block_cost_limits;
 pub mod blockhash_queue;
-pub mod bloom;
 pub mod bucket_map_holder;
 pub mod bucket_map_holder_stats;
 pub mod builtins;