Struct ExpertFileWriter 

pub struct ExpertFileWriter { /* private fields */ }

2026-09-25: Creates one file per MoE layer, sized to bytes_per_layer, writes records at their offsets, and writes manifest.json in finish. The files are opened without O_DIRECT.

Implementations

impl ExpertFileWriter

pub fn create(dir: &Path, index: ExpertIndex) -> Result<Self>

pub fn spec(&self) -> &ExpertRecordSpec

pub fn write_record( &self, key: ExpertKey, header: &ExpertRecordHeader, projs: &[ProjData<'_>; 3], ) -> Result<()>

2026-09-25: Pack and write one record; fails when the layer or expert is out of range.

pub fn finish(self) -> Result<()>

2026-09-25: fsync every layer file, then write manifest.json.