Struct ParallelHdf5Meta 

pub struct ParallelHdf5Meta {
    pub n_ranks: usize,
    pub rank_byte_counts: Vec<u64>,
    pub collective_metadata: bool,
    pub lock_held: bool,
}

Simulated parallel HDF5 (PHDF5) metadata for a multi-rank write.

Fields

n_ranks: usize

Total number of MPI ranks.

rank_byte_counts: Vec<u64>

Per-rank byte counts.

collective_metadata: bool

Whether collective metadata writes are enabled.

lock_held: bool

POSIX advisory lock held during the collective operation.

Implementations

impl ParallelHdf5Meta

pub fn new(n_ranks: usize) -> Self

Create metadata for a n_ranks-rank job.

pub fn record_rank_bytes(&mut self, rank: usize, bytes: u64)

Record the number of bytes written by rank rank.

pub fn total_bytes(&self) -> u64

Total bytes across all ranks.

Trait Implementations

impl Clone for ParallelHdf5Meta

fn clone(&self) -> ParallelHdf5Meta

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ParallelHdf5Meta

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.