633 lines
20 KiB
Rust
633 lines
20 KiB
Rust
// Because of criterion `cargo bench` works,
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// but if you use `cargo bench -- --save-baseline <name>`
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// or pass any other args to it, it fails with the error
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// `cargo bench unknown option --save-baseline`.
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// To pass args to criterion, use this form
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// `cargo bench --bench <name of the bench> -- --save-baseline <name>`.
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#![allow(clippy::exhaustive_structs)]
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use std::{
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borrow::Borrow,
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collections::{HashMap, HashSet},
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sync::{
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atomic::{AtomicU64, Ordering::SeqCst},
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Arc,
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},
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};
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use criterion::{criterion_group, criterion_main, Criterion};
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use event::PduEvent;
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use js_int::{int, uint};
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use maplit::{btreemap, hashmap, hashset};
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use ruma_common::{
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room_id, user_id, EventId, MilliSecondsSinceUnixEpoch, OwnedEventId, RoomId, RoomVersionId,
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UserId,
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};
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use ruma_events::{
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pdu::{EventHash, Pdu, RoomV3Pdu},
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room::{
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join_rules::{JoinRule, RoomJoinRulesEventContent},
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member::{MembershipState, RoomMemberEventContent},
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},
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StateEventType, TimelineEventType,
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};
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use ruma_state_res::{self as state_res, Error, Event, Result, StateMap};
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use serde_json::{
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json,
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value::{to_raw_value as to_raw_json_value, RawValue as RawJsonValue},
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};
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static SERVER_TIMESTAMP: AtomicU64 = AtomicU64::new(0);
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fn lexico_topo_sort(c: &mut Criterion) {
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c.bench_function("lexicographical topological sort", |b| {
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let graph = hashmap! {
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event_id("l") => hashset![event_id("o")],
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event_id("m") => hashset![event_id("n"), event_id("o")],
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event_id("n") => hashset![event_id("o")],
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event_id("o") => hashset![], // "o" has zero outgoing edges but 4 incoming edges
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event_id("p") => hashset![event_id("o")],
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};
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b.iter(|| {
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let _ = state_res::lexicographical_topological_sort(&graph, |_id| {
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Ok((int!(0), MilliSecondsSinceUnixEpoch(uint!(0))))
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});
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});
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});
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}
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fn resolution_shallow_auth_chain(c: &mut Criterion) {
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c.bench_function("resolve state of 5 events one fork", |b| {
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let mut store = TestStore(hashmap! {});
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// build up the DAG
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let (state_at_bob, state_at_charlie, _) = store.set_up();
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b.iter(|| {
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let ev_map = store.0.clone();
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let state_sets = [&state_at_bob, &state_at_charlie];
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let _ = match state_res::resolve(
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&RoomVersionId::V6,
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state_sets,
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state_sets
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.iter()
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.map(|map| {
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store.auth_event_ids(room_id(), map.values().cloned().collect()).unwrap()
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})
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.collect(),
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|id| ev_map.get(id).map(Arc::clone),
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) {
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Ok(state) => state,
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Err(e) => panic!("{e}"),
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};
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});
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});
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}
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fn resolve_deeper_event_set(c: &mut Criterion) {
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c.bench_function("resolve state of 10 events 3 conflicting", |b| {
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let mut inner = INITIAL_EVENTS();
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let ban = BAN_STATE_SET();
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inner.extend(ban);
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let store = TestStore(inner.clone());
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let state_set_a = [
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inner.get(&event_id("CREATE")).unwrap(),
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inner.get(&event_id("IJR")).unwrap(),
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inner.get(&event_id("IMA")).unwrap(),
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inner.get(&event_id("IMB")).unwrap(),
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inner.get(&event_id("IMC")).unwrap(),
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inner.get(&event_id("MB")).unwrap(),
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inner.get(&event_id("PA")).unwrap(),
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]
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.iter()
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.map(|ev| {
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(ev.event_type().with_state_key(ev.state_key().unwrap()), ev.event_id().to_owned())
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})
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.collect::<StateMap<_>>();
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let state_set_b = [
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inner.get(&event_id("CREATE")).unwrap(),
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inner.get(&event_id("IJR")).unwrap(),
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inner.get(&event_id("IMA")).unwrap(),
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inner.get(&event_id("IMB")).unwrap(),
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inner.get(&event_id("IMC")).unwrap(),
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inner.get(&event_id("IME")).unwrap(),
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inner.get(&event_id("PA")).unwrap(),
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]
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.iter()
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.map(|ev| {
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(ev.event_type().with_state_key(ev.state_key().unwrap()), ev.event_id().to_owned())
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})
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.collect::<StateMap<_>>();
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b.iter(|| {
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let state_sets = [&state_set_a, &state_set_b];
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let _ = match state_res::resolve(
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&RoomVersionId::V6,
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state_sets,
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state_sets
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.iter()
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.map(|map| {
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store.auth_event_ids(room_id(), map.values().cloned().collect()).unwrap()
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})
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.collect(),
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|id| inner.get(id).map(Arc::clone),
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) {
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Ok(state) => state,
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Err(_) => panic!("resolution failed during benchmarking"),
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};
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});
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});
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}
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criterion_group!(
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benches,
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lexico_topo_sort,
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resolution_shallow_auth_chain,
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resolve_deeper_event_set
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);
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criterion_main!(benches);
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//*/////////////////////////////////////////////////////////////////////
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//
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// IMPLEMENTATION DETAILS AHEAD
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//
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/////////////////////////////////////////////////////////////////////*/
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struct TestStore<E: Event>(HashMap<OwnedEventId, Arc<E>>);
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#[allow(unused)]
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impl<E: Event> TestStore<E> {
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fn get_event(&self, room_id: &RoomId, event_id: &EventId) -> Result<Arc<E>> {
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self.0
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.get(event_id)
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.map(Arc::clone)
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.ok_or_else(|| Error::NotFound(format!("{} not found", event_id)))
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}
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/// Returns the events that correspond to the `event_ids` sorted in the same order.
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fn get_events(&self, room_id: &RoomId, event_ids: &[OwnedEventId]) -> Result<Vec<Arc<E>>> {
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let mut events = vec![];
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for id in event_ids {
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events.push(self.get_event(room_id, id)?);
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}
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Ok(events)
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}
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/// Returns a Vec of the related auth events to the given `event`.
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fn auth_event_ids(&self, room_id: &RoomId, event_ids: Vec<E::Id>) -> Result<HashSet<E::Id>> {
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let mut result = HashSet::new();
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let mut stack = event_ids;
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// DFS for auth event chain
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while !stack.is_empty() {
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let ev_id = stack.pop().unwrap();
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if result.contains(&ev_id) {
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continue;
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}
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result.insert(ev_id.clone());
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let event = self.get_event(room_id, ev_id.borrow())?;
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stack.extend(event.auth_events().map(ToOwned::to_owned));
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}
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Ok(result)
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}
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/// Returns a vector representing the difference in auth chains of the given `events`.
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fn auth_chain_diff(&self, room_id: &RoomId, event_ids: Vec<Vec<E::Id>>) -> Result<Vec<E::Id>> {
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let mut auth_chain_sets = vec![];
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for ids in event_ids {
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// TODO state store `auth_event_ids` returns self in the event ids list
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// when an event returns `auth_event_ids` self is not contained
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let chain = self.auth_event_ids(room_id, ids)?.into_iter().collect::<HashSet<_>>();
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auth_chain_sets.push(chain);
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}
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if let Some(first) = auth_chain_sets.first().cloned() {
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let common = auth_chain_sets
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.iter()
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.skip(1)
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.fold(first, |a, b| a.intersection(b).cloned().collect::<HashSet<_>>());
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Ok(auth_chain_sets
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.into_iter()
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.flatten()
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.filter(|id| !common.contains(id.borrow()))
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.collect())
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} else {
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Ok(vec![])
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}
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}
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}
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impl TestStore<PduEvent> {
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#[allow(clippy::type_complexity)]
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fn set_up(
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&mut self,
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) -> (StateMap<OwnedEventId>, StateMap<OwnedEventId>, StateMap<OwnedEventId>) {
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let create_event = to_pdu_event::<&EventId>(
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"CREATE",
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alice(),
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TimelineEventType::RoomCreate,
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Some(""),
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to_raw_json_value(&json!({ "creator": alice() })).unwrap(),
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&[],
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&[],
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);
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let cre = create_event.event_id().to_owned();
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self.0.insert(cre.clone(), Arc::clone(&create_event));
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let alice_mem = to_pdu_event(
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"IMA",
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alice(),
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TimelineEventType::RoomMember,
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Some(alice().to_string().as_str()),
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member_content_join(),
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&[cre.clone()],
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&[cre.clone()],
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);
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self.0.insert(alice_mem.event_id().to_owned(), Arc::clone(&alice_mem));
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let join_rules = to_pdu_event(
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"IJR",
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alice(),
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TimelineEventType::RoomJoinRules,
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Some(""),
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to_raw_json_value(&RoomJoinRulesEventContent::new(JoinRule::Public)).unwrap(),
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&[cre.clone(), alice_mem.event_id().to_owned()],
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&[alice_mem.event_id().to_owned()],
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);
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self.0.insert(join_rules.event_id().to_owned(), join_rules.clone());
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// Bob and Charlie join at the same time, so there is a fork
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// this will be represented in the state_sets when we resolve
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let bob_mem = to_pdu_event(
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"IMB",
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bob(),
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TimelineEventType::RoomMember,
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Some(bob().to_string().as_str()),
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member_content_join(),
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&[cre.clone(), join_rules.event_id().to_owned()],
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&[join_rules.event_id().to_owned()],
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);
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self.0.insert(bob_mem.event_id().to_owned(), bob_mem.clone());
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let charlie_mem = to_pdu_event(
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"IMC",
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charlie(),
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TimelineEventType::RoomMember,
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Some(charlie().to_string().as_str()),
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member_content_join(),
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&[cre, join_rules.event_id().to_owned()],
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&[join_rules.event_id().to_owned()],
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);
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self.0.insert(charlie_mem.event_id().to_owned(), charlie_mem.clone());
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let state_at_bob = [&create_event, &alice_mem, &join_rules, &bob_mem]
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.iter()
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.map(|e| {
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(e.event_type().with_state_key(e.state_key().unwrap()), e.event_id().to_owned())
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})
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.collect::<StateMap<_>>();
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let state_at_charlie = [&create_event, &alice_mem, &join_rules, &charlie_mem]
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.iter()
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.map(|e| {
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(e.event_type().with_state_key(e.state_key().unwrap()), e.event_id().to_owned())
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})
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.collect::<StateMap<_>>();
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let expected = [&create_event, &alice_mem, &join_rules, &bob_mem, &charlie_mem]
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.iter()
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.map(|e| {
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(e.event_type().with_state_key(e.state_key().unwrap()), e.event_id().to_owned())
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})
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.collect::<StateMap<_>>();
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(state_at_bob, state_at_charlie, expected)
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}
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}
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fn event_id(id: &str) -> OwnedEventId {
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if id.contains('$') {
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return id.try_into().unwrap();
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}
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format!("${}:foo", id).try_into().unwrap()
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}
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fn alice() -> &'static UserId {
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user_id!("@alice:foo")
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}
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fn bob() -> &'static UserId {
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user_id!("@bob:foo")
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}
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fn charlie() -> &'static UserId {
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user_id!("@charlie:foo")
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}
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fn ella() -> &'static UserId {
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user_id!("@ella:foo")
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}
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fn room_id() -> &'static RoomId {
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room_id!("!test:foo")
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}
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fn member_content_ban() -> Box<RawJsonValue> {
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to_raw_json_value(&RoomMemberEventContent::new(MembershipState::Ban)).unwrap()
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}
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fn member_content_join() -> Box<RawJsonValue> {
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to_raw_json_value(&RoomMemberEventContent::new(MembershipState::Join)).unwrap()
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}
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fn to_pdu_event<S>(
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id: &str,
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sender: &UserId,
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ev_type: TimelineEventType,
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state_key: Option<&str>,
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content: Box<RawJsonValue>,
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auth_events: &[S],
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prev_events: &[S],
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) -> Arc<PduEvent>
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where
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S: AsRef<str>,
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{
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// We don't care if the addition happens in order just that it is atomic
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// (each event has its own value)
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let ts = SERVER_TIMESTAMP.fetch_add(1, SeqCst);
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let id = if id.contains('$') { id.to_owned() } else { format!("${}:foo", id) };
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let auth_events = auth_events.iter().map(AsRef::as_ref).map(event_id).collect::<Vec<_>>();
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let prev_events = prev_events.iter().map(AsRef::as_ref).map(event_id).collect::<Vec<_>>();
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let state_key = state_key.map(ToOwned::to_owned);
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Arc::new(PduEvent {
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event_id: id.try_into().unwrap(),
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rest: Pdu::RoomV3Pdu(RoomV3Pdu {
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room_id: room_id().to_owned(),
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sender: sender.to_owned(),
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origin_server_ts: MilliSecondsSinceUnixEpoch(ts.try_into().unwrap()),
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state_key,
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kind: ev_type,
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content,
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redacts: None,
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unsigned: btreemap! {},
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auth_events,
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prev_events,
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depth: uint!(0),
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hashes: EventHash::new(String::new()),
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signatures: btreemap! {},
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}),
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})
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}
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// all graphs start with these input events
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#[allow(non_snake_case)]
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fn INITIAL_EVENTS() -> HashMap<OwnedEventId, Arc<PduEvent>> {
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vec![
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to_pdu_event::<&EventId>(
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"CREATE",
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alice(),
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TimelineEventType::RoomCreate,
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Some(""),
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to_raw_json_value(&json!({ "creator": alice() })).unwrap(),
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&[],
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&[],
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),
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to_pdu_event(
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"IMA",
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alice(),
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TimelineEventType::RoomMember,
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Some(alice().as_str()),
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member_content_join(),
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&["CREATE"],
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&["CREATE"],
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),
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to_pdu_event(
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"IPOWER",
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alice(),
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TimelineEventType::RoomPowerLevels,
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Some(""),
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to_raw_json_value(&json!({ "users": { alice(): 100 } })).unwrap(),
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&["CREATE", "IMA"],
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&["IMA"],
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),
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to_pdu_event(
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"IJR",
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alice(),
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TimelineEventType::RoomJoinRules,
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Some(""),
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to_raw_json_value(&RoomJoinRulesEventContent::new(JoinRule::Public)).unwrap(),
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&["CREATE", "IMA", "IPOWER"],
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&["IPOWER"],
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),
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to_pdu_event(
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"IMB",
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bob(),
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TimelineEventType::RoomMember,
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Some(bob().to_string().as_str()),
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member_content_join(),
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&["CREATE", "IJR", "IPOWER"],
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&["IJR"],
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),
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to_pdu_event(
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"IMC",
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charlie(),
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TimelineEventType::RoomMember,
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Some(charlie().to_string().as_str()),
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member_content_join(),
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&["CREATE", "IJR", "IPOWER"],
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&["IMB"],
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),
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to_pdu_event::<&EventId>(
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"START",
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charlie(),
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TimelineEventType::RoomTopic,
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Some(""),
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to_raw_json_value(&json!({})).unwrap(),
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&[],
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&[],
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),
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to_pdu_event::<&EventId>(
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"END",
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charlie(),
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TimelineEventType::RoomTopic,
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Some(""),
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to_raw_json_value(&json!({})).unwrap(),
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&[],
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&[],
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),
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]
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.into_iter()
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.map(|ev| (ev.event_id().to_owned(), ev))
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.collect()
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}
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|
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// all graphs start with these input events
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#[allow(non_snake_case)]
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fn BAN_STATE_SET() -> HashMap<OwnedEventId, Arc<PduEvent>> {
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vec![
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to_pdu_event(
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"PA",
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alice(),
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TimelineEventType::RoomPowerLevels,
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Some(""),
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to_raw_json_value(&json!({ "users": { alice(): 100, bob(): 50 } })).unwrap(),
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&["CREATE", "IMA", "IPOWER"], // auth_events
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&["START"], // prev_events
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),
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to_pdu_event(
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"PB",
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alice(),
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TimelineEventType::RoomPowerLevels,
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Some(""),
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to_raw_json_value(&json!({ "users": { alice(): 100, bob(): 50 } })).unwrap(),
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&["CREATE", "IMA", "IPOWER"],
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&["END"],
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),
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to_pdu_event(
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"MB",
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alice(),
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TimelineEventType::RoomMember,
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Some(ella().as_str()),
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member_content_ban(),
|
|
&["CREATE", "IMA", "PB"],
|
|
&["PA"],
|
|
),
|
|
to_pdu_event(
|
|
"IME",
|
|
ella(),
|
|
TimelineEventType::RoomMember,
|
|
Some(ella().as_str()),
|
|
member_content_join(),
|
|
&["CREATE", "IJR", "PA"],
|
|
&["MB"],
|
|
),
|
|
]
|
|
.into_iter()
|
|
.map(|ev| (ev.event_id().to_owned(), ev))
|
|
.collect()
|
|
}
|
|
|
|
/// Convenience trait for adding event type plus state key to state maps.
|
|
trait EventTypeExt {
|
|
fn with_state_key(self, state_key: impl Into<String>) -> (StateEventType, String);
|
|
}
|
|
|
|
impl EventTypeExt for &TimelineEventType {
|
|
fn with_state_key(self, state_key: impl Into<String>) -> (StateEventType, String) {
|
|
(self.to_string().into(), state_key.into())
|
|
}
|
|
}
|
|
|
|
mod event {
|
|
use ruma_common::{MilliSecondsSinceUnixEpoch, OwnedEventId, RoomId, UserId};
|
|
use ruma_events::{pdu::Pdu, TimelineEventType};
|
|
use ruma_state_res::Event;
|
|
use serde::{Deserialize, Serialize};
|
|
use serde_json::value::RawValue as RawJsonValue;
|
|
|
|
impl Event for PduEvent {
|
|
type Id = OwnedEventId;
|
|
|
|
fn event_id(&self) -> &Self::Id {
|
|
&self.event_id
|
|
}
|
|
|
|
fn room_id(&self) -> &RoomId {
|
|
match &self.rest {
|
|
Pdu::RoomV1Pdu(ev) => &ev.room_id,
|
|
Pdu::RoomV3Pdu(ev) => &ev.room_id,
|
|
#[cfg(not(feature = "unstable-exhaustive-types"))]
|
|
_ => unreachable!("new PDU version"),
|
|
}
|
|
}
|
|
|
|
fn sender(&self) -> &UserId {
|
|
match &self.rest {
|
|
Pdu::RoomV1Pdu(ev) => &ev.sender,
|
|
Pdu::RoomV3Pdu(ev) => &ev.sender,
|
|
#[cfg(not(feature = "unstable-exhaustive-types"))]
|
|
_ => unreachable!("new PDU version"),
|
|
}
|
|
}
|
|
|
|
fn event_type(&self) -> &TimelineEventType {
|
|
match &self.rest {
|
|
Pdu::RoomV1Pdu(ev) => &ev.kind,
|
|
Pdu::RoomV3Pdu(ev) => &ev.kind,
|
|
#[cfg(not(feature = "unstable-exhaustive-types"))]
|
|
_ => unreachable!("new PDU version"),
|
|
}
|
|
}
|
|
|
|
fn content(&self) -> &RawJsonValue {
|
|
match &self.rest {
|
|
Pdu::RoomV1Pdu(ev) => &ev.content,
|
|
Pdu::RoomV3Pdu(ev) => &ev.content,
|
|
#[cfg(not(feature = "unstable-exhaustive-types"))]
|
|
_ => unreachable!("new PDU version"),
|
|
}
|
|
}
|
|
|
|
fn origin_server_ts(&self) -> MilliSecondsSinceUnixEpoch {
|
|
match &self.rest {
|
|
Pdu::RoomV1Pdu(ev) => ev.origin_server_ts,
|
|
Pdu::RoomV3Pdu(ev) => ev.origin_server_ts,
|
|
#[cfg(not(feature = "unstable-exhaustive-types"))]
|
|
_ => unreachable!("new PDU version"),
|
|
}
|
|
}
|
|
|
|
fn state_key(&self) -> Option<&str> {
|
|
match &self.rest {
|
|
Pdu::RoomV1Pdu(ev) => ev.state_key.as_deref(),
|
|
Pdu::RoomV3Pdu(ev) => ev.state_key.as_deref(),
|
|
#[cfg(not(feature = "unstable-exhaustive-types"))]
|
|
_ => unreachable!("new PDU version"),
|
|
}
|
|
}
|
|
|
|
fn prev_events(&self) -> Box<dyn DoubleEndedIterator<Item = &Self::Id> + '_> {
|
|
match &self.rest {
|
|
Pdu::RoomV1Pdu(ev) => Box::new(ev.prev_events.iter().map(|(id, _)| id)),
|
|
Pdu::RoomV3Pdu(ev) => Box::new(ev.prev_events.iter()),
|
|
#[cfg(not(feature = "unstable-exhaustive-types"))]
|
|
_ => unreachable!("new PDU version"),
|
|
}
|
|
}
|
|
|
|
fn auth_events(&self) -> Box<dyn DoubleEndedIterator<Item = &Self::Id> + '_> {
|
|
match &self.rest {
|
|
Pdu::RoomV1Pdu(ev) => Box::new(ev.auth_events.iter().map(|(id, _)| id)),
|
|
Pdu::RoomV3Pdu(ev) => Box::new(ev.auth_events.iter()),
|
|
#[cfg(not(feature = "unstable-exhaustive-types"))]
|
|
_ => unreachable!("new PDU version"),
|
|
}
|
|
}
|
|
|
|
fn redacts(&self) -> Option<&Self::Id> {
|
|
match &self.rest {
|
|
Pdu::RoomV1Pdu(ev) => ev.redacts.as_ref(),
|
|
Pdu::RoomV3Pdu(ev) => ev.redacts.as_ref(),
|
|
#[cfg(not(feature = "unstable-exhaustive-types"))]
|
|
_ => unreachable!("new PDU version"),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Clone, Debug, Deserialize, Serialize)]
|
|
pub struct PduEvent {
|
|
pub event_id: OwnedEventId,
|
|
#[serde(flatten)]
|
|
pub rest: Pdu,
|
|
}
|
|
}
|