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>

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);
+    })
+}