For the complete documentation index, see llms.txt. Markdown versions of all pages are available by appending .md to any URL (e.g. /get-started.md).

Mojo function

mbarrier_init

def mbarrier_init[type: AnyType](shared_mem: Pointer[type, address_space=AddressSpace.SHARED], num_threads: Int32)

Initialize a shared memory barrier for synchronizing multiple threads.

Sets up a memory barrier in shared memory that will be used to synchronize the specified number of threads. Only supported on NVIDIA GPUs.

Parameters:

• ​type (AnyType): The data type stored at the barrier location.

Args:

• ​shared_mem (Pointer[type, address_space=AddressSpace.SHARED]): Pointer to shared memory location for the barrier.
• ​num_threads (Int32): Number of threads that will synchronize on this barrier.