CachePadded64

os::log::buffer

Struct CachePadded64 

Source 
#[repr(C, align(64))]
struct CachePadded64<T> {
    inner: T,
}
Expand description

缓存行填充封装器，用于防止伪共享

将封装的类型填充到 64 字节（典型的缓存行大小），以确保 不同 CPU 核心使用的不同原子变量不会共享缓存行， 从而避免因缓存一致性流量导致的性能下降。

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§inner: T

Trait Implementations§

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impl<T> DerefMut for CachePadded64<T>

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fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.
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impl<T> Deref for CachePadded64<T>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.

Auto Trait Implementations§

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impl<T> Freeze for CachePadded64<T>
where T: Freeze,

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impl<T> RefUnwindSafe for CachePadded64<T>
where T: RefUnwindSafe,

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impl<T> Send for CachePadded64<T>
where T: Send,

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impl<T> Sync for CachePadded64<T>
where T: Sync,

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impl<T> Unpin for CachePadded64<T>
where T: Unpin,

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impl<T> UnwindSafe for CachePadded64<T>
where T: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

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impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.