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reflow the stack size story #104659

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Feb 19, 2023
Merged

reflow the stack size story #104659

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6 changes: 4 additions & 2 deletions library/std/src/thread/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -124,8 +124,10 @@
//!
//! ## Stack size
//!
//! The default stack size is platform-dependent and subject to change. Currently it is 2MB on all
//! Tier-1 platforms. There are two ways to manually specify the stack size for spawned threads:
//! The default stack size is platform-dependent and subject to change.
//! Currently, it is 2 MiB on all Tier-1 platforms.
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@compiler-errors compiler-errors Dec 27, 2022 •
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Is it 2 MiB or 2 MB by default?

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2 MiB seems correct

rust/library/std/src/sys/unix/thread.rs

Line 15 in e11cb36

pub const DEFAULT_MIN_STACK_SIZE: usize = 2 * 1024 * 1024;

rust/library/std/src/sys/windows/thread.rs

Line 16 in e11cb36

pub const DEFAULT_MIN_STACK_SIZE: usize = 2 * 1024 * 1024;

//!
//! There are two ways to manually specify the stack size for spawned threads:
//!
//! * Build the thread with [`Builder`] and pass the desired stack size to [`Builder::stack_size`].
//! * Set the `RUST_MIN_STACK` environment variable to an integer representing the desired stack
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