Struct ArenaStatsExt 

pub struct ArenaStatsExt {
    pub bytes_allocated: usize,
    pub alloc_count: usize,
    pub chunk_count: usize,
    pub wasted_bytes: usize,
}

Statistics collected from an arena allocator.

Fields

bytes_allocated: usize

Total bytes allocated.

alloc_count: usize

Total number of allocations performed.

chunk_count: usize

Number of chunks allocated.

wasted_bytes: usize

Wasted bytes due to alignment padding.

Implementations

impl ArenaStatsExt

pub fn new() -> Self

Creates a zeroed stats record.

pub fn avg_alloc_size(&self) -> f64

Returns the average allocation size in bytes.

pub fn fragmentation(&self) -> f64

Returns the fragmentation ratio (wasted / total).

Trait Implementations

impl Default for ArenaStatsExt

fn default() -> Self

Returns the “default value” for a type.