[Iluvatar] Support CudaGraph and optimize flash_attn_unpadded and fused_neox_rope_embedding (#6553)

This commit is contained in:
yzwu
2026-03-02 14:07:17 +08:00
committed by GitHub
parent ecfd088a03
commit 6674131b0b
25 changed files with 723 additions and 123 deletions
@@ -19,9 +19,10 @@ PACKAGE = "fastdeploy.model_executor.ops.iluvatar"
import_custom_ops(PACKAGE, ".fastdeploy_ops", globals())
from .moe_ops import iluvatar_moe_expert_ffn as moe_expert_ffn # noqa: F401
from .paged_attention import ( # noqa: F401
from .attention_ops import ( # noqa: F401
flash_attn_unpadded,
mixed_fused_paged_attention,
paged_attention,
prefill_fused_paged_attention,
)
from .moe_ops import iluvatar_moe_expert_ffn as moe_expert_ffn # noqa: F401
@@ -18,6 +18,7 @@ import paddle
try:
from fastdeploy.model_executor.ops.iluvatar import (
cuinfer_flash_attn_unpadded,
mixed_fused_paged_attn,
paged_attn,
prefill_fused_paged_attn,
@@ -188,3 +189,21 @@ def mixed_fused_paged_attention(
rope_batch_stride,
is_interleaved_rope_mode,
)
def flash_attn_unpadded(
query,
key,
value,
cu_seqlens_q,
cu_seqlens_k,
max_seqlen_q,
max_seqlen_k,
scale,
causal=False,
training=False,
):
output = cuinfer_flash_attn_unpadded(
query, key, value, cu_seqlens_q, cu_seqlens_k, max_seqlen_q, max_seqlen_k, causal, scale, training
)
return output, None # return_softmax
@@ -21,9 +21,13 @@ from paddle.nn.functional import swiglu
from paddle.nn.quant import weight_only_linear
try:
from fastdeploy.model_executor.ops.iluvatar import w8a16_group_gemm
from fastdeploy.model_executor.ops.iluvatar import (
w8a16_group_gemm,
w8a16_group_gemv,
)
except ImportError:
w8a16_group_gemm = None
w8a16_group_gemv = None
def group_gemm(
@@ -76,6 +80,15 @@ def group_gemm(
)
def _select_group_gemm_algo(moe_phase: str):
# if moe_phase == "decode":
if False:
group_gemm_func = w8a16_group_gemv
else:
group_gemm_func = w8a16_group_gemm
return group_gemm_func
def iluvatar_moe_expert_ffn(
permute_input: paddle.Tensor,
tokens_expert_prefix_sum: paddle.Tensor,
@@ -88,6 +101,7 @@ def iluvatar_moe_expert_ffn(
expert_idx_per_token: Optional[paddle.Tensor],
quant_method: str,
used_in_ep_low_latency: bool,
moe_phase: str,
):
assert up_gate_proj_bias is None
assert up_gate_proj_scale is not None
@@ -96,10 +110,8 @@ def iluvatar_moe_expert_ffn(
assert expert_idx_per_token is None
assert quant_method in ("weight_only_int8")
assert not used_in_ep_low_latency
tokens_expert_prefix_sum_cpu = tokens_expert_prefix_sum.to("cpu")
ffn1_output = w8a16_group_gemm(
permute_input, up_gate_proj_weight, up_gate_proj_scale, tokens_expert_prefix_sum_cpu, -1
)
group_gemm_func = _select_group_gemm_algo(moe_phase)
ffn1_output = group_gemm_func(permute_input, up_gate_proj_weight, up_gate_proj_scale, tokens_expert_prefix_sum, -1)
act_out = swiglu(ffn1_output)
output = w8a16_group_gemm(act_out, down_proj_weight, down_proj_scale, tokens_expert_prefix_sum_cpu, -1)
output = group_gemm_func(act_out, down_proj_weight, down_proj_scale, tokens_expert_prefix_sum, -1)
return output