Struct GridGroup 

pub struct GridGroup { /* private fields */ }

Grid group (all threads across all blocks)

Implementations

impl GridGroup

pub fn new( grid_dim: [u32; 3], block_dim: [u32; 3], block_idx: [u32; 3], thread_idx: [u32; 3], ) -> Self

Create a grid group

pub fn with_barrier(self, barrier: Arc<Barrier>) -> Self

Create with a grid-level barrier for cooperative launch synchronization

pub fn size(&self) -> u32

Get total number of threads in the grid

pub fn thread_rank(&self) -> u32

Get this thread’s global rank

pub fn dim_blocks(&self) -> [u32; 3]

Get grid dimensions

pub fn dim_threads(&self) -> [u32; 3]

Get block dimensions

pub fn is_leader(&self) -> bool

Check if this thread is the leader

pub fn sync(&self) -> Result<()>

Synchronize all threads in the grid (cooperative launch only)