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[Bugfix] [ROCm] [DSV4] Bugfix cutlass import DSV4 #43735

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[Bugfix] [ROCm] [DSV4] Bugfix cutlass import DSV4 #43735

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24 changes: 17 additions & 7 deletions vllm/models/deepseek_v4/compressor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,12 +16,14 @@
_compress_kv_sparse_attn_cutedsl,
_fused_kv_compress_norm_rope_insert_indexer_attn,
_fused_kv_compress_norm_rope_insert_indexer_mxfp4_attn,
_fused_kv_compress_norm_rope_insert_sparse_attn,
_fused_kv_compress_norm_rope_insert_sparse_attn_cutedsl,
_norm_rope_insert_sparse_attn_cutedsl,
)
from vllm.models.deepseek_v4.common.ops.fused_indexer_q import MXFP4_BLOCK_SIZE
from vllm.platforms import current_platform
from vllm.triton_utils import tl, triton
from vllm.utils.import_utils import has_cutedsl
from vllm.v1.attention.backend import (
AttentionBackend,
AttentionCGSupport,
Expand Down Expand Up @@ -242,13 +244,21 @@ def __init__(
assert not use_fp4_cache, (
"MXFP4 cache is only supported for indexer (head=128)"
)
self._use_cutedsl_sparse_compressor = True
self._use_cutedsl_fused_sparse_compressor = self.compress_ratio == 4
self._compress_kernel = _compress_kv_sparse_attn_cutedsl
self._norm_rope_store_kernel = _norm_rope_insert_sparse_attn_cutedsl
self._fused_sparse_kernel = (
_fused_kv_compress_norm_rope_insert_sparse_attn_cutedsl
)
self._use_cutedsl_sparse_compressor = has_cutedsl()
if self._use_cutedsl_sparse_compressor:
self._use_cutedsl_fused_sparse_compressor = self.compress_ratio == 4
self._compress_kernel = _compress_kv_sparse_attn_cutedsl
self._norm_rope_store_kernel = _norm_rope_insert_sparse_attn_cutedsl
self._fused_sparse_kernel = (
_fused_kv_compress_norm_rope_insert_sparse_attn_cutedsl
)
self._compressed_kv_buffer = self._get_compressed_kv_buffer(
self.device,
vllm_config.scheduler_config.max_num_batched_tokens,
self.head_dim,
)
else:
self._fused_kernel = _fused_kv_compress_norm_rope_insert_sparse_attn
self._quant_block = 64
self._token_stride = self.nope_head_dim + self.rope_head_dim * 2
self._scale_dim = self.nope_head_dim // 64 + 1 # 7 real + 1 pad
Expand Down
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