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eliminate unnecessary copies in accounts index generation (#18466)

This commit is contained in:
Jeff Washington (jwash) 2021-07-07 15:36:05 -05:00 committed by GitHub
parent 49c4e54b28
commit eca0ceb04c
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1 changed files with 16 additions and 15 deletions
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31
runtime/src/accounts_db.rs
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@ -5982,21 +5982,22 @@ impl AccountsDb {
}
let mut stored_sizes_and_counts = HashMap::new();
for account_entry in self
.accounts_index
.account_maps
.iter()
.map(|i| i.read().unwrap().values().cloned().collect::<Vec<_>>())
.flatten()
{
for (_slot, account_entry) in account_entry.slot_list.read().unwrap().iter() {
let storage_entry_meta = stored_sizes_and_counts
.entry(account_entry.store_id)
.or_insert((0, 0));
storage_entry_meta.0 += account_entry.stored_size;
storage_entry_meta.1 += 1;
}
}
self.accounts_index.account_maps.iter().for_each(|i| {
i.read().unwrap().values().for_each(|entry| {
entry
.slot_list
.read()
.unwrap()
.iter()
.for_each(|(_slot, account_entry)| {
let storage_entry_meta = stored_sizes_and_counts
.entry(account_entry.store_id)
.or_insert((0, 0));
storage_entry_meta.0 += account_entry.stored_size;
storage_entry_meta.1 += 1;
})
})
});
for slot_stores in self.storage.0.iter() {
for (id, store) in slot_stores.value().read().unwrap().iter() {
// Should be default at this point