Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

accounts-db: Benchmark cache evictions #4045

Merged
merged 1 commit into from
Dec 21, 2024
Merged

accounts-db: Benchmark cache evictions #4045

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions accounts-db/Cargo.toml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -103,6 +103,10 @@ harness = false
name = "bench_hashing"
harness = false

[[bench]]
name = "read_only_accounts_cache"
harness = false

[[bench]]
name = "bench_serde"
harness = false
Expand Down
33 changes: 6 additions & 27 deletions accounts-db/benches/bench_accounts_file.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,8 +1,6 @@
#![allow(clippy::arithmetic_side_effects)]
use {
criterion::{criterion_group, criterion_main, BatchSize, BenchmarkId, Criterion, Throughput},
rand::{distributions::WeightedIndex, prelude::*},
rand_chacha::ChaChaRng,
solana_accounts_db::{
accounts_file::StorageAccess,
append_vec::{self, AppendVec, SCAN_BUFFER_SIZE_WITHOUT_DATA},
Expand All @@ -15,13 +13,14 @@ use {
account::{AccountSharedData, ReadableAccount},
clock::Slot,
pubkey::Pubkey,
rent::Rent,
rent_collector::RENT_EXEMPT_RENT_EPOCH,
system_instruction::MAX_PERMITTED_DATA_LENGTH,
},
std::{iter, mem::ManuallyDrop},
std::mem::ManuallyDrop,
};

mod utils;

const ACCOUNTS_COUNTS: [usize; 4] = [
1, // the smallest count; will bench overhead
100, // number of accounts written per slot on mnb (with *no* rent rewrites)
Expand Down Expand Up @@ -116,40 +115,20 @@ fn bench_scan_pubkeys(c: &mut Criterion) {
MAX_PERMITTED_DATA_LENGTH as usize,
];
let weights = [3, 75, 20, 1, 1];
let distribution = WeightedIndex::new(weights).unwrap();

let rent = Rent::default();
let rent_minimum_balances: Vec<_> = data_sizes
.iter()
.map(|data_size| rent.minimum_balance(*data_size))
.collect();

for accounts_count in ACCOUNTS_COUNTS {
group.throughput(Throughput::Elements(accounts_count as u64));
let mut rng = ChaChaRng::seed_from_u64(accounts_count as u64);

let pubkeys: Vec<_> = iter::repeat_with(Pubkey::new_unique)
let storable_accounts: Vec<_> = utils::accounts(255, &data_sizes, &weights)
.take(accounts_count)
.collect();
let accounts: Vec<_> = iter::repeat_with(|| {
let index = distribution.sample(&mut rng);
AccountSharedData::new_rent_epoch(
rent_minimum_balances[index],
data_sizes[index],
&Pubkey::default(),
RENT_EXEMPT_RENT_EPOCH,
)
})
.take(pubkeys.len())
.collect();
let storable_accounts: Vec<_> = iter::zip(&pubkeys, &accounts).collect();

// create an append vec file
let append_vec_path = temp_dir.path().join(format!("append_vec_{accounts_count}"));
_ = std::fs::remove_file(&append_vec_path);
let file_size = accounts
let file_size = storable_accounts
.iter()
.map(|account| append_vec::aligned_stored_size(account.data().len()))
.map(|(_, account)| append_vec::aligned_stored_size(account.data().len()))
.sum();
let append_vec = AppendVec::new(append_vec_path, true, file_size);
let stored_accounts_info = append_vec
Expand Down
Loading
Loading