380 lines
14 KiB
Rust
380 lines
14 KiB
Rust
use criterion::Criterion;
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use criterion::{black_box, Benchmark};
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use ssz::TreeHash;
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use state_processing::{
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per_epoch_processing,
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per_epoch_processing::{
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calculate_active_validator_indices, calculate_attester_sets, clean_attestations,
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process_crosslinks, process_eth1_data, process_justification,
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process_rewards_and_penalities, process_validator_registry, update_active_tree_index_roots,
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update_latest_slashed_balances,
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},
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};
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use types::test_utils::TestingBeaconStateBuilder;
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use types::{validator_registry::get_active_validator_indices, *};
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pub const BENCHING_SAMPLE_SIZE: usize = 10;
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pub const SMALL_BENCHING_SAMPLE_SIZE: usize = 10;
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/// Run the benchmarking suite on a foundation spec with 16,384 validators.
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pub fn epoch_processing_16k_validators(c: &mut Criterion) {
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let spec = ChainSpec::foundation();
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let validator_count = 300_032;
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let mut builder = TestingBeaconStateBuilder::new(validator_count, &spec);
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// Set the state to be just before an epoch transition.
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let target_slot = (spec.genesis_epoch + 4).end_slot(spec.slots_per_epoch);
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builder.teleport_to_slot(target_slot, &spec);
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// Builds all caches; benches will not contain shuffling/committee building times.
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builder.build_caches(&spec).unwrap();
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// Inserts one attestation with full participation for each committee able to include an
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// attestation in this state.
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builder.insert_attestations(&spec);
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let (state, _keypairs) = builder.build();
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// Assert that the state has an attestations for each committee that is able to include an
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// attestation in the state.
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let committees_per_epoch = spec.get_epoch_committee_count(validator_count);
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let committees_per_slot = committees_per_epoch / spec.slots_per_epoch;
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let previous_epoch_attestations = committees_per_epoch;
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let current_epoch_attestations =
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committees_per_slot * (spec.slots_per_epoch - spec.min_attestation_inclusion_delay);
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assert_eq!(
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state.latest_attestations.len() as u64,
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previous_epoch_attestations + current_epoch_attestations,
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"The state should have an attestation for each committee."
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);
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// Assert that each attestation in the state has full participation.
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let committee_size = validator_count / committees_per_epoch as usize;
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for a in &state.latest_attestations {
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assert_eq!(
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a.aggregation_bitfield.num_set_bits(),
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committee_size,
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"Each attestation in the state should have full participation"
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);
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}
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// Assert that we will run the first arm of process_rewards_and_penalities
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let epochs_since_finality = state.next_epoch(&spec) - state.finalized_epoch;
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assert_eq!(
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epochs_since_finality, 4,
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"Epochs since finality should be 4"
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);
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bench_epoch_processing(c, &state, &spec, &format!("{}_validators", validator_count));
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}
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/// Run the detailed benchmarking suite on the given `BeaconState`.
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///
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/// `desc` will be added to the title of each bench.
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fn bench_epoch_processing(c: &mut Criterion, state: &BeaconState, spec: &ChainSpec, desc: &str) {
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let state_clone = state.clone();
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let spec_clone = spec.clone();
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("calculate_active_validator_indices", move |b| {
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b.iter_batched(
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|| state_clone.clone(),
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|mut state| {
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calculate_active_validator_indices(&mut state, &spec_clone);
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state
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},
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criterion::BatchSize::SmallInput,
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)
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})
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.sample_size(BENCHING_SAMPLE_SIZE),
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);
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let state_clone = state.clone();
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let spec_clone = spec.clone();
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let active_validator_indices = calculate_active_validator_indices(&state, &spec);
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("calculate_current_total_balance", move |b| {
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b.iter_batched(
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|| state_clone.clone(),
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|state| {
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state.get_total_balance(&active_validator_indices[..], &spec_clone);
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state
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},
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criterion::BatchSize::SmallInput,
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)
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})
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.sample_size(BENCHING_SAMPLE_SIZE),
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);
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let state_clone = state.clone();
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let spec_clone = spec.clone();
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("calculate_previous_total_balance", move |b| {
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b.iter_batched(
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|| state_clone.clone(),
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|state| {
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state.get_total_balance(
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&get_active_validator_indices(
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&state.validator_registry,
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state.previous_epoch(&spec_clone),
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)[..],
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&spec_clone,
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);
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state
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},
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criterion::BatchSize::SmallInput,
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)
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})
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.sample_size(BENCHING_SAMPLE_SIZE),
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);
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let state_clone = state.clone();
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let spec_clone = spec.clone();
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("process_eth1_data", move |b| {
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b.iter_batched(
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|| state_clone.clone(),
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|mut state| {
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process_eth1_data(&mut state, &spec_clone);
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state
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},
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criterion::BatchSize::SmallInput,
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)
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})
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.sample_size(BENCHING_SAMPLE_SIZE),
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);
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let state_clone = state.clone();
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let spec_clone = spec.clone();
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("calculate_attester_sets", move |b| {
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b.iter_batched(
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|| state_clone.clone(),
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|mut state| {
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calculate_attester_sets(&mut state, &spec_clone).unwrap();
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state
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},
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criterion::BatchSize::SmallInput,
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)
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})
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.sample_size(BENCHING_SAMPLE_SIZE),
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);
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let state_clone = state.clone();
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let spec_clone = spec.clone();
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let previous_epoch = state.previous_epoch(&spec);
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let attesters = calculate_attester_sets(&state, &spec).unwrap();
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let active_validator_indices = calculate_active_validator_indices(&state, &spec);
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let current_total_balance = state.get_total_balance(&active_validator_indices[..], &spec);
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let previous_total_balance = state.get_total_balance(
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&get_active_validator_indices(&state.validator_registry, previous_epoch)[..],
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&spec,
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);
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("process_justification", move |b| {
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b.iter_batched(
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|| state_clone.clone(),
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|mut state| {
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process_justification(
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&mut state,
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current_total_balance,
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previous_total_balance,
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attesters.previous_epoch_boundary.balance,
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attesters.current_epoch_boundary.balance,
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&spec_clone,
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);
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state
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},
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criterion::BatchSize::SmallInput,
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)
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})
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.sample_size(10),
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);
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let state_clone = state.clone();
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let spec_clone = spec.clone();
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("process_crosslinks", move |b| {
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b.iter_batched(
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|| state_clone.clone(),
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|mut state| black_box(process_crosslinks(&mut state, &spec_clone).unwrap()),
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criterion::BatchSize::SmallInput,
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)
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})
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.sample_size(BENCHING_SAMPLE_SIZE),
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);
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let mut state_clone = state.clone();
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let spec_clone = spec.clone();
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let previous_epoch = state.previous_epoch(&spec);
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let attesters = calculate_attester_sets(&state, &spec).unwrap();
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let active_validator_indices = calculate_active_validator_indices(&state, &spec);
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let previous_total_balance = state.get_total_balance(
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&get_active_validator_indices(&state.validator_registry, previous_epoch)[..],
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&spec,
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);
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let winning_root_for_shards = process_crosslinks(&mut state_clone, &spec).unwrap();
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("process_rewards_and_penalties", move |b| {
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b.iter_batched(
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|| state_clone.clone(),
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|mut state| {
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process_rewards_and_penalities(
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&mut state,
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&active_validator_indices,
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&attesters,
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previous_total_balance,
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&winning_root_for_shards,
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&spec_clone,
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)
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.unwrap();
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state
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},
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criterion::BatchSize::SmallInput,
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)
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})
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.sample_size(SMALL_BENCHING_SAMPLE_SIZE),
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);
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let state_clone = state.clone();
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let spec_clone = spec.clone();
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("process_ejections", move |b| {
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b.iter_batched(
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|| state_clone.clone(),
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|mut state| {
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state.process_ejections(&spec_clone);
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state
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},
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criterion::BatchSize::SmallInput,
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)
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})
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.sample_size(BENCHING_SAMPLE_SIZE),
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);
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let mut state_clone = state.clone();
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let spec_clone = spec.clone();
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let previous_epoch = state.previous_epoch(&spec);
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let attesters = calculate_attester_sets(&state, &spec).unwrap();
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let active_validator_indices = calculate_active_validator_indices(&state, &spec);
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let current_total_balance = state.get_total_balance(&active_validator_indices[..], spec);
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let previous_total_balance = state.get_total_balance(
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&get_active_validator_indices(&state.validator_registry, previous_epoch)[..],
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&spec,
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);
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assert_eq!(
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state_clone.finalized_epoch, state_clone.validator_registry_update_epoch,
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"The last registry update should be at the last finalized epoch."
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);
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process_justification(
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&mut state_clone,
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current_total_balance,
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previous_total_balance,
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attesters.previous_epoch_boundary.balance,
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attesters.current_epoch_boundary.balance,
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spec,
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);
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assert!(
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state_clone.finalized_epoch > state_clone.validator_registry_update_epoch,
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"The state should have been finalized."
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);
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("process_validator_registry", move |b| {
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b.iter_batched(
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|| state_clone.clone(),
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|mut state| {
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process_validator_registry(&mut state, &spec_clone).unwrap();
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state
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},
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criterion::BatchSize::SmallInput,
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)
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})
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.sample_size(BENCHING_SAMPLE_SIZE),
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);
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let state_clone = state.clone();
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let spec_clone = spec.clone();
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("update_active_tree_index_roots", move |b| {
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b.iter_batched(
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|| state_clone.clone(),
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|mut state| {
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update_active_tree_index_roots(&mut state, &spec_clone).unwrap();
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state
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},
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criterion::BatchSize::SmallInput,
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)
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})
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.sample_size(BENCHING_SAMPLE_SIZE),
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);
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let state_clone = state.clone();
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let spec_clone = spec.clone();
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("update_latest_slashed_balances", move |b| {
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b.iter_batched(
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|| state_clone.clone(),
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|mut state| {
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update_latest_slashed_balances(&mut state, &spec_clone);
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state
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},
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criterion::BatchSize::SmallInput,
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)
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})
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.sample_size(BENCHING_SAMPLE_SIZE),
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);
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let state_clone = state.clone();
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let spec_clone = spec.clone();
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("clean_attestations", move |b| {
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b.iter_batched(
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|| state_clone.clone(),
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|mut state| {
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clean_attestations(&mut state, &spec_clone);
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state
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},
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criterion::BatchSize::SmallInput,
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)
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})
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.sample_size(BENCHING_SAMPLE_SIZE),
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);
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let state_clone = state.clone();
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let spec_clone = spec.clone();
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("per_epoch_processing", move |b| {
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b.iter_batched(
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|| state_clone.clone(),
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|mut state| black_box(per_epoch_processing(&mut state, &spec_clone).unwrap()),
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criterion::BatchSize::SmallInput,
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)
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})
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.sample_size(SMALL_BENCHING_SAMPLE_SIZE),
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);
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let state_clone = state.clone();
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c.bench(
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&format!("epoch_process_with_caches_{}", desc),
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Benchmark::new("tree_hash_state", move |b| {
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b.iter(|| black_box(state_clone.hash_tree_root()))
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})
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.sample_size(SMALL_BENCHING_SAMPLE_SIZE),
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);
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}
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