NcclConfig

metrale_gpu_sys::nccl

Struct NcclConfig 

Source 
#[repr(C)]
pub struct NcclConfig {
    pub size: usize,
    pub magic: u32,
    pub version: u32,
    pub blocking: i32,
    pub cga_cluster_size: i32,
    pub min_ctas: i32,
    pub max_ctas: i32,
    pub net_name: [u8; 8],
    pub split_share: i32,
}
Expand description

2026-09-26: Meant for ncclCommInitRankConfig, which nothing in the workspace calls. It does not match ncclConfig_t in the installed nccl.h (2.29.7): that struct starts with magic NCCL_API_MAGIC (0xcafebeef), holds netName as a pointer, and has more fields.

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§size: usize§magic: u32§version: u32§blocking: i32§cga_cluster_size: i32§min_ctas: i32§max_ctas: i32§net_name: [u8; 8]§split_share: i32

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