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21 changes: 18 additions & 3 deletions tests/v1/kv_offload/test_cpu_gpu.py
Original file line number Diff line number Diff line change
Expand Up @@ -8,11 +8,26 @@

from vllm.platforms import current_platform
from vllm.v1.attention.backends.flash_attn import FlashAttentionBackend
from vllm.v1.attention.backends.flashinfer import FlashInferBackend
from vllm.v1.attention.backends.mla.flashattn_mla import FlashAttnMLABackend
from vllm.v1.kv_offload.mediums import CPULoadStoreSpec, GPULoadStoreSpec
from vllm.v1.kv_offload.worker.cpu_gpu import CpuGpuOffloadingHandler

BACKENDS_TO_TEST = [FlashAttentionBackend]

try:
from vllm.v1.attention.backends.flashinfer import FlashInferBackend

BACKENDS_TO_TEST.append(FlashInferBackend)
except ImportError:
pass

try:
from vllm.v1.attention.backends.mla.flashattn_mla import FlashAttnMLABackend

BACKENDS_TO_TEST.append(FlashAttnMLABackend)
except ImportError:
pass


NUM_GPU_BLOCKS = [64]
NUM_CPU_BLOCKS = [256]
GPU_BLOCK_SIZES = [16]
Expand Down Expand Up @@ -56,7 +71,7 @@ def test_transfer(
current_platform.seed_everything(seed)

# create per-layer GPU KV caches
attn_backends_list = [FlashAttentionBackend, FlashInferBackend, FlashAttnMLABackend]
attn_backends_list = BACKENDS_TO_TEST

gpu_caches = {}
attn_backends = {}
Expand Down