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| author | Joshua Lockerman <j@Js-MacBook-Air.home> | 2017-09-29 15:58:11 -0400 |
|---|---|---|
| committer | Joshua Lockerman <j@Js-MacBook-Air.home> | 2017-10-01 12:15:35 -0400 |
| commit | 68341a91eecb830c57779cd2423733a7395258ab (patch) | |
| tree | 851726d9a606ab4ffd49b719f741dd856e09dfd1 /src/libstd/lib.rs | |
| parent | 0e6f4cf51cd3b799fb057956f8e733d16605d09b (diff) | |
| download | rust-68341a91eecb830c57779cd2423733a7395258ab.tar.gz rust-68341a91eecb830c57779cd2423733a7395258ab.zip | |
Improve performance of spsc_queue and stream.
This commit makes two main changes. 1. It switches the spsc_queue node caching strategy from keeping a shared counter of the number of nodes in the cache to keeping a consumer only counter of the number of node eligible to be cached. 2. It separate the consumer and producers fields of spsc_queue and stream into a producer cache line and consumer cache line.
Diffstat (limited to 'src/libstd/lib.rs')
| -rw-r--r-- | src/libstd/lib.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs index 9fc7e2c01aa..83cc9ce582e 100644 --- a/src/libstd/lib.rs +++ b/src/libstd/lib.rs @@ -244,6 +244,7 @@ #![feature(allow_internal_unstable)] #![feature(align_offset)] #![feature(asm)] +#![feature(attr_literals)] #![feature(box_syntax)] #![feature(cfg_target_has_atomic)] #![feature(cfg_target_thread_local)] @@ -290,6 +291,7 @@ #![feature(prelude_import)] #![feature(rand)] #![feature(raw)] +#![feature(repr_align)] #![feature(repr_simd)] #![feature(rustc_attrs)] #![cfg_attr(not(stage0), feature(rustc_const_unstable))] |