lane_id

lane_id() -> Int

Returns the lane ID of the current thread within its warp.

The lane ID is a unique identifier for each thread within a warp, ranging from 0 to WARP_SIZE-1. This ID is commonly used for warp-level programming and thread synchronization within a warp.

Returns:

Int: The lane ID (0 to WARP_SIZE-1) of the current thread.