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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::time::Duration;
use criterion::{criterion_group, criterion_main, BatchSize::SmallInput, Criterion};
use neqo_transport::{ConnectionParameters, State};
use test_fixture::{
boxed,
sim::{
connection::{ConnectionNode, ReachState, ReceiveData, SendData},
network::{Delay, TailDrop},
ReadySimulator, Simulator,
},
};
const ZERO: Duration = Duration::from_millis(0);
const JITTER: Duration = Duration::from_millis(10);
const TRANSFER_AMOUNT: usize = 1 << 22; // 4Mbyte
#[allow(clippy::needless_pass_by_value)] // Passing String where &str would do is fine here.
fn benchmark_transfer(c: &mut Criterion, label: &str, seed: Option<impl AsRef<str>>) {
for pacing in [false, true] {
let mut group = c.benchmark_group(format!("transfer/pacing-{pacing}"));
// Don't let criterion calculate throughput, as that's based on wall-clock time, not
// simulator time.
group.noise_threshold(0.03);
group.bench_function(label, |b| {
b.iter_batched(
|| {
let nodes = boxed![
ConnectionNode::new_client(
ConnectionParameters::default().pmtud(true).pacing(pacing),
boxed![ReachState::new(State::Confirmed)],
boxed![SendData::new(TRANSFER_AMOUNT)]
),
TailDrop::dsl_uplink(),
Delay::new(ZERO..JITTER),
ConnectionNode::new_server(
ConnectionParameters::default().pmtud(true).pacing(pacing),
boxed![ReachState::new(State::Confirmed)],
boxed![ReceiveData::new(TRANSFER_AMOUNT)]
),
TailDrop::dsl_downlink(),
Delay::new(ZERO..JITTER),
];
let mut sim = Simulator::new(label, nodes);
if let Some(seed) = &seed {
sim.seed_str(seed);
}
sim.setup()
},
ReadySimulator::run,
SmallInput,
);
});
group.finish();
}
}
fn benchmark_transfer_variable(c: &mut Criterion) {
benchmark_transfer(c, "varying-seeds", std::env::var("SIMULATION_SEED").ok());
}
fn benchmark_transfer_fixed(c: &mut Criterion) {
benchmark_transfer(
c,
"same-seed",
Some("62df6933ba1f543cece01db8f27fb2025529b27f93df39e19f006e1db3b8c843"),
);
}
criterion_group! {
name = transfer;
config = Criterion::default().warm_up_time(Duration::from_secs(5)).measurement_time(Duration::from_secs(15));
targets = benchmark_transfer_variable, benchmark_transfer_fixed
}
criterion_main!(transfer);