optirs_gpu::memory::allocation::buddy_allocator

Struct BuddyAllocator

pub struct BuddyAllocator { /* private fields */ }

Expand description

Buddy system allocator implementation

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impl BuddyAllocator

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pub fn new( base_ptr: *mut u8, total_size: usize, config: BuddyConfig, ) -> Result<Self, BuddyError>

Create a new buddy allocator

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pub fn allocate(&mut self, size: usize) -> Result<*mut u8, BuddyError>

Allocate memory of specified size

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pub fn deallocate(&mut self, ptr: *mut u8) -> Result<(), BuddyError>

Deallocate memory at specified pointer

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pub fn calculate_fragmentation(&self) -> f64

Calculate current fragmentation level

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pub fn defragment(&mut self) -> usize

Perform defragmentation by coalescing free blocks

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pub fn get_stats(&self) -> &BuddyStats

Get allocator statistics

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pub fn get_memory_usage(&self) -> MemoryUsage

Get current memory usage

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pub fn get_free_block_stats(&self) -> Vec<FreeBlockStats>

Get detailed statistics about free blocks

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pub fn validate_consistency(&self) -> Result<(), BuddyError>

Check allocator consistency

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pub fn reset(&mut self)

Reset allocator to initial state

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pub fn access_block(&mut self, ptr: *mut u8) -> Result<(), BuddyError>

Access a previously allocated block (for statistics)

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pub fn get_allocation_info(&self, ptr: *mut u8) -> Option<AllocationInfo>

Get allocation info for a pointer

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impl Send for BuddyAllocator

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impl Sync for BuddyAllocator

Auto Trait Implementations§

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impl UnwindSafe for BuddyAllocator

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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

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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 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<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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