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[Merged by Bors] - use bevy_utils::HashMap for better performance. TypeId is predefined … #7642

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[Merged by Bors] - use bevy_utils::HashMap for better performance. TypeId is predefined … #7642

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965f1e6
use bevy_utils::HashMap for better performance. TypeId is predefined …
shuoli84 Feb 12, 2023
671e843
use bevy_utils::StableHashMap for HashMap with TypeId as key, use bev…
shuoli84 Feb 12, 2023
6ec25a8
ci clippy
shuoli84 Feb 12, 2023
72e18d9
use FxHash for TypeIdMap
shuoli84 Feb 13, 2023
927353f
replace fxhash => rustc-hash
shuoli84 Feb 14, 2023
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1 change: 0 additions & 1 deletion crates/bevy_ecs/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,6 @@ async-channel = "1.4"
event-listener = "2.5"
thread_local = "1.1.4"
fixedbitset = "0.4.2"
fxhash = "0.2"
downcast-rs = "1.2"
serde = { version = "1", features = ["derive"] }

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3 changes: 1 addition & 2 deletions crates/bevy_ecs/src/archetype.rs
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Expand Up @@ -26,7 +26,6 @@ use crate::{
storage::{ImmutableSparseSet, SparseArray, SparseSet, SparseSetIndex, TableId, TableRow},
};
use std::{
collections::HashMap,
hash::Hash,
ops::{Index, IndexMut},
};
Expand Down Expand Up @@ -601,7 +600,7 @@ impl SparseSetIndex for ArchetypeComponentId {
pub struct Archetypes {
pub(crate) archetypes: Vec<Archetype>,
pub(crate) archetype_component_count: usize,
archetype_ids: HashMap<ArchetypeIdentity, ArchetypeId>,
archetype_ids: bevy_utils::HashMap<ArchetypeIdentity, ArchetypeId>,
}

impl Archetypes {
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5 changes: 3 additions & 2 deletions crates/bevy_ecs/src/bundle.rs
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Expand Up @@ -12,10 +12,11 @@ use crate::{
component::{Component, ComponentId, ComponentStorage, Components, StorageType, Tick},
entity::{Entities, Entity, EntityLocation},
storage::{SparseSetIndex, SparseSets, Storages, Table, TableRow},
TypeIdMap,
};
use bevy_ecs_macros::all_tuples;
use bevy_ptr::OwningPtr;
use std::{any::TypeId, collections::HashMap};
use std::any::TypeId;

/// The `Bundle` trait enables insertion and removal of [`Component`]s from an entity.
///
Expand Down Expand Up @@ -683,7 +684,7 @@ impl<'a, 'b> BundleSpawner<'a, 'b> {
#[derive(Default)]
pub struct Bundles {
bundle_infos: Vec<BundleInfo>,
bundle_ids: HashMap<TypeId, BundleId>,
bundle_ids: TypeIdMap<BundleId>,
}

impl Bundles {
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5 changes: 3 additions & 2 deletions crates/bevy_ecs/src/component.rs
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Expand Up @@ -5,6 +5,7 @@ use crate::{
storage::{SparseSetIndex, Storages},
system::{Local, Resource},
world::{FromWorld, World},
TypeIdMap,
};
pub use bevy_ecs_macros::Component;
use bevy_ptr::{OwningPtr, UnsafeCellDeref};
Expand Down Expand Up @@ -400,8 +401,8 @@ impl ComponentDescriptor {
#[derive(Debug, Default)]
pub struct Components {
components: Vec<ComponentInfo>,
indices: std::collections::HashMap<TypeId, usize, fxhash::FxBuildHasher>,
resource_indices: std::collections::HashMap<TypeId, usize, fxhash::FxBuildHasher>,
indices: TypeIdMap<usize>,
resource_indices: TypeIdMap<usize>,
}

impl Components {
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5 changes: 5 additions & 0 deletions crates/bevy_ecs/src/lib.rs
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Expand Up @@ -19,6 +19,8 @@ pub mod storage;
pub mod system;
pub mod world;

use std::any::TypeId;

pub use bevy_ptr as ptr;

/// Most commonly used re-exported types.
Expand Down Expand Up @@ -52,6 +54,9 @@ pub mod prelude {

pub use bevy_ecs_macros::all_tuples;

/// A specialized hashmap type with Key of `TypeId`
type TypeIdMap<V> = bevy_utils::StableHashMap<TypeId, V>;

#[cfg(test)]
mod tests {
use crate as bevy_ecs;
Expand Down