lighthouse/beacon_node/beacon_chain/test_harness/benches/state_transition.rs

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use criterion::Criterion;
use criterion::{black_box, criterion_group, criterion_main, Benchmark};
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// use env_logger::{Builder, Env};
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use test_harness::BeaconChainHarness;
use types::{ChainSpec, Hash256};
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fn mid_epoch_state_transition(c: &mut Criterion) {
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// Builder::from_env(Env::default().default_filter_or("debug")).init();
let validator_count = 1000;
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let mut rig = BeaconChainHarness::new(ChainSpec::foundation(), validator_count);
let epoch_depth = (rig.spec.epoch_length * 2) + (rig.spec.epoch_length / 2);
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for _ in 0..epoch_depth {
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rig.advance_chain_with_block();
}
let state = rig.beacon_chain.state.read().clone();
assert!((state.slot + 1) % rig.spec.epoch_length != 0);
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c.bench_function("mid-epoch state transition 10k validators", move |b| {
let state = state.clone();
b.iter(|| {
let mut state = state.clone();
black_box(state.per_slot_processing(Hash256::zero(), &rig.spec))
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})
});
}
fn epoch_boundary_state_transition(c: &mut Criterion) {
// Builder::from_env(Env::default().default_filter_or("debug")).init();
let validator_count = 10000;
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let mut rig = BeaconChainHarness::new(ChainSpec::foundation(), validator_count);
let epoch_depth = rig.spec.epoch_length * 2;
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for _ in 0..(epoch_depth - 1) {
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rig.advance_chain_with_block();
}
let state = rig.beacon_chain.state.read().clone();
assert_eq!((state.slot + 1) % rig.spec.epoch_length, 0);
c.bench(
"routines",
Benchmark::new("routine_1", move |b| {
let state = state.clone();
b.iter(|| {
let mut state = state.clone();
black_box(black_box(
state.per_slot_processing(Hash256::zero(), &rig.spec),
))
})
})
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.sample_size(5), // sample size is low because function is sloooow.
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);
}
criterion_group!(
benches,
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mid_epoch_state_transition,
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epoch_boundary_state_transition
);
criterion_main!(benches);