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bors 2ccacc311c Auto merge of #124780 - Mark-Simulacrum:lockless-cache, r=lcnr
Improve VecCache under parallel frontend

This replaces the single Vec allocation with a series of progressively larger buckets. With the cfg for parallel enabled but with -Zthreads=1, this looks like a slight regression in i-count and cycle counts (~1%).

With the parallel frontend at -Zthreads=4, this is an improvement (-5% wall-time from 5.788 to 5.4688 on libcore) than our current Lock-based approach, likely due to reducing the bouncing of the cache line holding the lock. At -Zthreads=32 it's a huge improvement (-46%: 8.829 -> 4.7319 seconds).

try-job: i686-gnu-nopt
try-job: dist-x86_64-linux
2024-11-19 02:07:48 +00:00
.cargo fix: Fix generated markers not being patchable in package.json 2024-06-08 12:54:43 +02:00
.github Don't try to auto-publish text-edit 2024-11-04 15:23:05 +02:00
.vscode feat: use vscode log format for client logs 2024-07-27 21:43:35 -07:00
assets Automatically change text color in logo based on dark mode 2022-03-06 23:06:53 +11:00
bench_data Spelling 2023-04-19 09:45:55 -04:00
crates Fix related documents diagnostics 2024-11-16 21:17:15 +02:00
docs Update the file hash 2024-11-11 16:06:55 +01:00
editors/code editors/code: Match supported debug engines in config with actual supported ones 2024-11-08 08:33:32 +01:00
lib line-index method to allow clamping column to line length 2024-10-15 12:14:45 +02:00
xtask Bump rustc crates 2024-11-01 13:38:35 +02:00
.editorconfig Fix editorconfig glob 2024-10-19 01:10:31 +03:00
.git-blame-ignore-revs internal: Don't allocate autoderef steps when not needed 2024-08-25 13:12:07 +02:00
.gitattributes Fix .gitattributes for test_data 2022-07-24 14:05:35 +02:00
.gitignore tests: Add lsif_contains_generated_constant test 2024-10-22 11:38:54 +02:00
.typos.toml Parse builtin#asm expressions 2024-09-04 14:09:03 +02:00
Cargo.lock Bump xshell 2024-11-16 18:02:44 +02:00
Cargo.toml Bump rustc crates 2024-11-01 13:38:35 +02:00
clippy.toml Lint debug prints and disallowed types with clippy 2024-02-01 17:57:27 +01:00
CONTRIBUTING.md Add CONTRIBUTING.md 2024-04-18 10:24:40 +02:00
LICENSE-APACHE Drop Apache license appendices 2024-08-27 14:52:34 +03:00
LICENSE-MIT Licenses 2018-01-10 22:47:04 +03:00
PRIVACY.md Update privacy note 2021-12-23 14:04:15 +02:00
README.md Add CONTRIBUTING.md 2024-04-18 10:24:40 +02:00
rust-version Preparing for merge from rust-lang/rust 2024-11-01 13:14:16 +02:00
rustfmt.toml Shuffle hir-expand things around 2024-01-26 19:28:39 +01:00
triagebot.toml Enable triagebot transfer feature 2024-11-04 21:35:10 +02:00

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