in deep_ep/buffer.py [0:0]
def set_num_sms(new_num_sms: int) -> None:
"""
Set the number of SMs to use in high-throughput kernels.
Arguments:
new_num_sms: the new number to be set.
"""
assert new_num_sms % 2 == 0, 'The SM count must be even'
Buffer.num_sms = new_num_sms