Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Notes on types/traits used for in-memory query caching #136484

Open
wants to merge 1 commit into
base: master
Choose a base branch
from

Conversation

Zalathar
Copy link
Contributor

@Zalathar Zalathar commented Feb 3, 2025

When the word "cache" appears in the context of the query system, it often isn't obvious whether that is referring to the in-memory query cache or the on-disk incremental cache.

For these types, we can assure the reader that they are for in-memory caching.

When the word "cache" appears in the context of the query system, it often
isn't obvious whether that is referring to the in-memory query cache or the
on-disk incremental cache.

For these types, we can assure the reader that they are for in-memory caching.
@rustbot
Copy link
Collaborator

rustbot commented Feb 3, 2025

r? @jieyouxu

rustbot has assigned @jieyouxu.
They will have a look at your PR within the next two weeks and either review your PR or reassign to another reviewer.

Use r? to explicitly pick a reviewer

@rustbot rustbot added A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Feb 3, 2025
Copy link
Member

@jieyouxu jieyouxu left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Thanks, makes sense to me

/// for a given key (argument) type and value (return) type.
///
/// Types implementing this trait are associated with actual key/value types
/// by the `Cache` associated type of the `rustc_middle::query::Key` trait.
pub trait QueryCache: Sized {
Copy link
Member

@jieyouxu jieyouxu Feb 3, 2025

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Remark: I suppose this is actually InMemoryQueryCache?

@jieyouxu
Copy link
Member

jieyouxu commented Feb 3, 2025

@bors r+ rollup

@bors
Copy link
Contributor

bors commented Feb 3, 2025

📌 Commit 623d6e8 has been approved by jieyouxu

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Feb 3, 2025
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Feb 3, 2025
…ouxu

Notes on types/traits used for in-memory query caching

When the word "cache" appears in the context of the query system, it often isn't obvious whether that is referring to the in-memory query cache or the on-disk incremental cache.

For these types, we can assure the reader that they are for in-memory caching.
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Feb 3, 2025
…ouxu

Notes on types/traits used for in-memory query caching

When the word "cache" appears in the context of the query system, it often isn't obvious whether that is referring to the in-memory query cache or the on-disk incremental cache.

For these types, we can assure the reader that they are for in-memory caching.
bors added a commit to rust-lang-ci/rust that referenced this pull request Feb 4, 2025
…iaskrgr

Rollup of 8 pull requests

Successful merges:

 - rust-lang#136289 (OnceCell & OnceLock docs: Using (un)initialized consistently)
 - rust-lang#136299 (Ignore NLL boring locals in polonius diagnostics)
 - rust-lang#136411 (Omit argument names from function pointers that do not have argument names)
 - rust-lang#136430 (Use the type-level constant value `ty::Value` where needed)
 - rust-lang#136476 (Remove generic `//@ ignore-{wasm,wasm32,emscripten}` in tests)
 - rust-lang#136484 (Notes on types/traits used for in-memory query caching)
 - rust-lang#136493 (platform-support: document CPU baseline for x86-32 targets)
 - rust-lang#136498 (Update books)

r? `@ghost`
`@rustbot` modify labels: rollup
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
Projects
None yet
Development

Successfully merging this pull request may close these issues.

4 participants