reorder generate_index info (#33077)

reorder generateindex info

accounts-db/src/accounts_index.rs

@@ -1637,7 +1637,7 @@ impl<T: IndexValue, U: DiskIndexValue + From<T> + Into<T>> AccountsIndex<T, U> {
                 let is_zero_lamport = account_info.is_zero_lamport();
                 let result = if is_zero_lamport { Some(pubkey) } else { None };
 
-                binned[binned_index].1.push((pubkey, account_info));
+                binned[binned_index].1.push((pubkey, (slot, account_info)));
                 result
             })
             .collect::<Vec<_>>();
@@ -1649,25 +1649,29 @@ impl<T: IndexValue, U: DiskIndexValue + From<T> + Into<T>> AccountsIndex<T, U> {
             let r_account_maps = &self.account_maps[pubkey_bin];
             let mut insert_time = Measure::start("insert_into_primary_index");
             if use_disk {
-                r_account_maps.startup_insert_only(slot, items.into_iter());
+                r_account_maps.startup_insert_only(items.into_iter());
             } else {
                 // not using disk buckets, so just write to in-mem
                 // this is no longer the default case
-                items.into_iter().for_each(|(pubkey, account_info)| {
-                    let new_entry = PreAllocatedAccountMapEntry::new(
-                        slot,
-                        account_info,
-                        &self.storage.storage,
-                        use_disk,
-                    );
-                    match r_account_maps.insert_new_entry_if_missing_with_lock(pubkey, new_entry) {
-                        InsertNewEntryResults::DidNotExist => {}
-                        InsertNewEntryResults::ExistedNewEntryZeroLamports => {}
-                        InsertNewEntryResults::ExistedNewEntryNonZeroLamports => {
-                            dirty_pubkeys.push(pubkey);
+                items
+                    .into_iter()
+                    .for_each(|(pubkey, (slot, account_info))| {
+                        let new_entry = PreAllocatedAccountMapEntry::new(
+                            slot,
+                            account_info,
+                            &self.storage.storage,
+                            use_disk,
+                        );
+                        match r_account_maps
+                            .insert_new_entry_if_missing_with_lock(pubkey, new_entry)
+                        {
+                            InsertNewEntryResults::DidNotExist => {}
+                            InsertNewEntryResults::ExistedNewEntryZeroLamports => {}
+                            InsertNewEntryResults::ExistedNewEntryNonZeroLamports => {
+                                dirty_pubkeys.push(pubkey);
+                            }
                         }
-                    }
-                });
+                    });
             }
             insert_time.stop();
             insertion_time.fetch_add(insert_time.as_us(), Ordering::Relaxed);

accounts-db/src/in_mem_accounts_index.rs

@@ -142,7 +142,7 @@ struct StartupInfoDuplicates<T: IndexValue> {
 #[derive(Default, Debug)]
 struct StartupInfo<T: IndexValue> {
     /// entries to add next time we are flushing to disk
-    insert: Mutex<Vec<(Slot, Pubkey, T)>>,
+    insert: Mutex<Vec<(Pubkey, (Slot, T))>>,
     /// pubkeys with more than 1 entry
     duplicates: Mutex<StartupInfoDuplicates<T>>,
 }
@@ -672,14 +672,16 @@ impl<T: IndexValue, U: DiskIndexValue + From<T> + Into<T>> InMemAccountsIndex<T,
 
     /// Queue up these insertions for when the flush thread is dealing with this bin.
     /// This is very fast and requires no lookups or disk access.
-    pub fn startup_insert_only(&self, slot: Slot, items: impl Iterator<Item = (Pubkey, T)>) {
+    pub fn startup_insert_only(&self, items: impl Iterator<Item = (Pubkey, (Slot, T))>) {
         assert!(self.storage.get_startup());
         assert!(self.bucket.is_some());
 
         let mut insert = self.startup_info.insert.lock().unwrap();
+        // todo: memcpy the new slice into our vector already
+        // todo: avoid reallocs and just allocate another vec instead of likely resizing this one over and over
         items
             .into_iter()
-            .for_each(|(k, v)| insert.push((slot, k, v)));
+            .for_each(|(k, (slot, v))| insert.push((k, (slot, v))));
     }
 
     pub fn insert_new_entry_if_missing_with_lock(
@@ -1069,7 +1071,9 @@ impl<T: IndexValue, U: DiskIndexValue + From<T> + Into<T>> InMemAccountsIndex<T,
         let disk = self.bucket.as_ref().unwrap();
         let mut count = insert.len() as u64;
         for (k, entry, duplicate_entry) in disk.batch_insert_non_duplicates(
-            insert.into_iter().map(|(slot, k, v)| (k, (slot, v.into()))),
+            insert
+                .into_iter()
+                .map(|(k, (slot, v))| (k, (slot, v.into()))),
             count as usize,
         ) {
             duplicates.duplicates.push((entry.0, k, entry.1.into()));