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[ROCm][BugFix] Remove the usage of device_info from aiter #28383

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Merged
tjtanaa merged 5 commits into from
Nov 13, 2025
Merged

[ROCm][BugFix] Remove the usage of device_info from aiter #28383

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94b490f
remove device_info module acquired from aiter
ganyi1996ppo Nov 10, 2025
6455831
adopt current_platform.get_cu_count to replace the aiter's api
ganyi1996ppo Nov 12, 2025
2d61722
remove the num_program from tl.constexpr
ganyi1996ppo Nov 12, 2025
747f602
fix bug
ganyi1996ppo Nov 12, 2025
06aea92
Merge branch 'main' into ganyi/remove_device_info
ganyi1996ppo Nov 13, 2025
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5 changes: 2 additions & 3 deletions vllm/v1/attention/backends/rocm_aiter_fa.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,15 +31,14 @@

if current_platform.is_rocm():
import aiter
from aiter.ops.triton.utils.device_info import get_num_sms

from vllm.triton_utils import tl, triton

def block_size(x, head_dim):
return min(65536 // x.element_size(), triton.next_power_of_2(head_dim))

def num_programs(head_dim):
return min(head_dim, get_num_sms())
def num_programs(total_tokens):
return min(total_tokens, current_platform.get_cu_count())

@triton.jit
def cp_mha_gather_cache_kernel(
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