style: Convert FnvHash{Set,Map} instances to FxHash{Set,Map}.

Bug: 1477628
Reviewed-by: heycam
This commit is contained in:
Nicholas Nethercote 2018-07-27 16:49:04 +10:00 committed by Emilio Cobos Álvarez
parent 0cab212052
commit fc9df0bcf3
No known key found for this signature in database
GPG key ID: 056B727BB9C1027C
18 changed files with 49 additions and 44 deletions

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@ -25,6 +25,7 @@ matches = "0.1"
cssparser = "0.24.0"
log = "0.4"
fnv = "1.0"
fxhash = "0.2"
phf = "0.7.18"
precomputed-hash = "0.1"
servo_arc = { version = "0.1", path = "../servo_arc" }

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@ -297,6 +297,9 @@ impl Clone for BloomStorageBool {
}
fn hash<T: Hash>(elem: &T) -> u32 {
// We generally use FxHasher in Stylo because it's faster than FnvHasher,
// but the increased collision rate has outsized effect on the bloom
// filter, so we use FnvHasher instead here.
let mut hasher = FnvHasher::default();
elem.hash(&mut hasher);
let hash: u64 = hasher.finish();

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@ -10,6 +10,7 @@ extern crate bitflags;
#[macro_use]
extern crate cssparser;
extern crate fnv;
extern crate fxhash;
#[macro_use]
extern crate log;
#[macro_use]

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@ -2,7 +2,7 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use fnv::FnvHashMap;
use fxhash::FxHashMap;
use tree::OpaqueElement;
/// A cache to speed up matching of nth-index-like selectors.
@ -32,7 +32,7 @@ impl NthIndexCache {
/// The concrete per-pseudo-class cache.
#[derive(Default)]
pub struct NthIndexCacheInner(FnvHashMap<OpaqueElement, i32>);
pub struct NthIndexCacheInner(FxHashMap<OpaqueElement, i32>);
impl NthIndexCacheInner {
/// Does a lookup for a given element in the cache.