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[Bugfix][ROCm] Fix lru_cache on paged_mqa_logits_module (#37547)

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Signed-off-by: Stig-Arne Grönroos <stig-arne.gronroos@amd.com>
This commit is contained in:
Stig-Arne Grönroos
2026-03-26 21:01:05 +02:00
committed by GitHub
parent bc9c6fbbe6
commit f26fcdfb9e
1 changed files with 39 additions and 38 deletions
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77
vllm/v1/attention/ops/rocm_aiter_mla_sparse.py
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@@ -273,6 +273,25 @@ def fp8_paged_mqa_logits_torch(
return logits
@functools.lru_cache
def paged_mqa_logits_module():
paged_mqa_logits_module_path = None
if importlib.util.find_spec("aiter.ops.triton.pa_mqa_logits") is not None:
paged_mqa_logits_module_path = "aiter.ops.triton.pa_mqa_logits"
elif (
importlib.util.find_spec("aiter.ops.triton.attention.pa_mqa_logits") is not None
):
paged_mqa_logits_module_path = "aiter.ops.triton.attention.pa_mqa_logits"
if paged_mqa_logits_module_path is not None:
try:
module = importlib.import_module(paged_mqa_logits_module_path)
return module
except ImportError:
return None
return None
def rocm_fp8_paged_mqa_logits(
q_fp8: torch.Tensor,
kv_cache_fp8: torch.Tensor,
@@ -305,25 +324,6 @@ def rocm_fp8_paged_mqa_logits(
"""
from vllm._aiter_ops import rocm_aiter_ops
@functools.lru_cache
def paged_mqa_logits_module():
paged_mqa_logits_module_path = None
if importlib.util.find_spec("aiter.ops.triton.pa_mqa_logits") is not None:
paged_mqa_logits_module_path = "aiter.ops.triton.pa_mqa_logits"
elif (
importlib.util.find_spec("aiter.ops.triton.attention.pa_mqa_logits")
is not None
):
paged_mqa_logits_module_path = "aiter.ops.triton.attention.pa_mqa_logits"
if paged_mqa_logits_module_path is not None:
try:
module = importlib.import_module(paged_mqa_logits_module_path)
return module
except ImportError:
return None
return None
aiter_paged_mqa_logits_module = None
if rocm_aiter_ops.is_enabled():
aiter_paged_mqa_logits_module = paged_mqa_logits_module()
@@ -400,6 +400,26 @@ def fp8_mqa_logits_torch(
return logits
@functools.lru_cache
def mqa_logits_module():
mqa_logits_module_path = None
if importlib.util.find_spec("aiter.ops.triton.fp8_mqa_logits") is not None:
mqa_logits_module_path = "aiter.ops.triton.fp8_mqa_logits"
elif (
importlib.util.find_spec("aiter.ops.triton.attention.fp8_mqa_logits")
is not None
):
mqa_logits_module_path = "aiter.ops.triton.attention.fp8_mqa_logits"
if mqa_logits_module_path is not None:
try:
module = importlib.import_module(mqa_logits_module_path)
return module
except ImportError:
return None
return None
def rocm_fp8_mqa_logits(
q: torch.Tensor,
kv: tuple[torch.Tensor, torch.Tensor],
@@ -429,25 +449,6 @@ def rocm_fp8_mqa_logits(
# path after aiter merge this kernel into main
from vllm._aiter_ops import rocm_aiter_ops
@functools.lru_cache
def mqa_logits_module():
mqa_logits_module_path = None
if importlib.util.find_spec("aiter.ops.triton.fp8_mqa_logits") is not None:
mqa_logits_module_path = "aiter.ops.triton.fp8_mqa_logits"
elif (
importlib.util.find_spec("aiter.ops.triton.attention.fp8_mqa_logits")
is not None
):
mqa_logits_module_path = "aiter.ops.triton.attention.fp8_mqa_logits"
if mqa_logits_module_path is not None:
try:
module = importlib.import_module(mqa_logits_module_path)
return module
except ImportError:
return None
return None
aiter_mqa_logits_module = None
if rocm_aiter_ops.is_enabled():
aiter_mqa_logits_module = mqa_logits_module()