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fix

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This commit is contained in:
wangbluo 2024-10-11 06:20:34 +00:00
parent 0002ae5956
commit 1507a7528f
1 changed files with 2 additions and 1 deletions
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colossalai/shardformer/layer/attn.py
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@ -478,6 +478,7 @@ class RingAttention(torch.autograd.Function):
num_ring_size = world_size // num_rings
if tp_size > 1:
# Create inner ring groups
ranks = []
for i in range(num_rings):
start = i * num_ring_size
@ -494,7 +495,7 @@ class RingAttention(torch.autograd.Function):
group = dist.new_group(inner_rank)
if rank in inner_rank:
inner_ring_group = group
# Create inter ring groups
for i in range(num_ring_size):
inter_rank = [i + j * num_ring_size for j in range(num_rings)]
group = dist.new_group(inter_rank)