Files
sglang/sgl-kernel/tests/test_moe_align.py
2024-12-26 05:31:04 +08:00

27 lines
854 B
Python

import torch
from sgl_kernel import moe_align_block_size
def test_moe_align_block_size():
num_experts = 256
block_size = 128
topk_ids = torch.randint(0, num_experts, (3, 4), dtype=torch.int32, device="cuda")
max_num_tokens_padded = topk_ids.numel() + num_experts * (block_size - 1)
sorted_ids = torch.empty(
(max_num_tokens_padded,), dtype=torch.int32, device=topk_ids.device
)
sorted_ids.fill_(topk_ids.numel())
max_num_m_blocks = max_num_tokens_padded // block_size
expert_ids = torch.empty(
(max_num_m_blocks,), dtype=torch.int32, device=topk_ids.device
)
num_tokens_post_pad = torch.empty((1), dtype=torch.int32, device=topk_ids.device)
moe_align_block_size(
topk_ids, num_experts, block_size, sorted_ids, expert_ids, num_tokens_post_pad
)
test_moe_align_block_size()