Latency-mode for syndicate-macros/example/ring.rs
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@ -5,11 +5,11 @@ use std::sync::Arc;
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#[derive(Debug)]
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enum Instruction {
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SetPeer(Arc<Ref<Instruction>>),
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HandleMessage(u32),
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HandleMessage(u64),
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}
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struct Forwarder {
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n_rounds: u32,
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hop_limit: u64,
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supervisor: Arc<Ref<Instruction>>,
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peer: Option<Arc<Ref<Instruction>>>,
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}
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@ -31,7 +31,7 @@ impl Entity<Instruction> for Forwarder {
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self.peer = Some(r);
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}
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Instruction::HandleMessage(n) => {
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let target = if n >= self.n_rounds { &self.supervisor } else { self.peer.as_ref().expect("peer") };
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let target = if n >= self.hop_limit { &self.supervisor } else { self.peer.as_ref().expect("peer") };
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turn.message(target, Instruction::HandleMessage(n + 1));
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}
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}
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@ -40,8 +40,8 @@ impl Entity<Instruction> for Forwarder {
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}
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struct Supervisor {
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n_actors: u32,
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n_rounds: u32,
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latency_mode: bool,
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total_transfers: u64,
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remaining_to_receive: u32,
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start_time: Option<std::time::Instant>,
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}
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@ -58,11 +58,11 @@ impl Entity<Instruction> for Supervisor {
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if self.remaining_to_receive == 0 {
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let stop_time = std::time::Instant::now();
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let duration = stop_time - self.start_time.unwrap();
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let n_messages: u64 = self.n_actors as u64 * self.n_rounds as u64;
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tracing::info!("Stop after {:?}; {:?} messages, so {:?} Hz",
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tracing::info!("Stop after {:?}; {:?} messages, so {:?} Hz ({} mode)",
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duration,
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n_messages,
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(1000.0 * n_messages as f64) / duration.as_millis() as f64);
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self.total_transfers,
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(1000.0 * self.total_transfers as f64) / duration.as_millis() as f64,
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if self.latency_mode { "latency" } else { "throughput" });
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turn.stop_root();
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}
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},
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@ -78,12 +78,24 @@ async fn main() -> ActorResult {
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let args: Vec<String> = env::args().collect();
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let n_actors: u32 = args.get(1).unwrap_or(&"1000000".to_string()).parse()?;
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let n_rounds: u32 = args.get(2).unwrap_or(&"200".to_string()).parse()?;
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let latency_mode: bool = match args.get(3).unwrap_or(&"throughput".to_string()).as_str() {
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"latency" => true,
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"throughput" => false,
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_other => return Err("Invalid throughput/latency mode".into()),
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};
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tracing::info!("Will run {:?} actors for {:?} rounds", n_actors, n_rounds);
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let total_transfers: u64 = n_actors as u64 * n_rounds as u64;
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let (hop_limit, injection_count) = if latency_mode {
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(total_transfers, 1)
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} else {
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(n_rounds as u64, n_actors)
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};
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let me = t.create(Supervisor {
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n_actors,
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n_rounds,
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remaining_to_receive: n_actors,
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latency_mode,
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total_transfers,
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remaining_to_receive: injection_count,
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start_time: None,
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});
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@ -93,7 +105,7 @@ async fn main() -> ActorResult {
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forwarders.push(
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t.spawn_for_entity(None, true, Box::new(
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Forwarder {
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n_rounds,
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hop_limit,
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supervisor: me.clone(),
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peer: forwarders.last().cloned(),
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}))
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@ -103,8 +115,13 @@ async fn main() -> ActorResult {
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t.later(move |t| {
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t.message(&me, Instruction::SetPeer(me.clone()));
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t.later(move |t| {
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let mut injected: u32 = 0;
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for f in forwarders.into_iter() {
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if injected >= injection_count {
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break;
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}
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t.message(&f, Instruction::HandleMessage(0));
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injected += 1;
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}
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Ok(())
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});
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