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Commit 4ee85c63 authored by lixh6's avatar lixh6 Committed by lixh6
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[FEATURE] 接入Aiter MoE W8A8 量化模型支持

parent aef3c487
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vllm/envs.py
View file @ 4ee85c63
...@@ -167,6 +167,7 @@ if TYPE_CHECKING: ...@@ -167,6 +167,7 @@ if TYPE_CHECKING:
VLLM_MOE_USE_DEEP_GEMM: bool = True VLLM_MOE_USE_DEEP_GEMM: bool = True
VLLM_USE_DEEP_GEMM_E8M0: bool = True VLLM_USE_DEEP_GEMM_E8M0: bool = True
VLLM_USE_DEEP_GEMM_TMA_ALIGNED_SCALES: bool = True VLLM_USE_DEEP_GEMM_TMA_ALIGNED_SCALES: bool = True
VLLM_USE_AITER_MOE_W8A8: bool = True
VLLM_DEEP_GEMM_WARMUP: Literal[ VLLM_DEEP_GEMM_WARMUP: Literal[
"skip", "skip",
"full", "full",
...@@ -1290,6 +1291,9 @@ environment_variables: dict[str, Callable[[], Any]] = { ...@@ -1290,6 +1291,9 @@ environment_variables: dict[str, Callable[[], Any]] = {
"VLLM_USE_DEEP_GEMM_TMA_ALIGNED_SCALES": lambda: bool( "VLLM_USE_DEEP_GEMM_TMA_ALIGNED_SCALES": lambda: bool(
int(os.getenv("VLLM_USE_DEEP_GEMM_TMA_ALIGNED_SCALES", "1")) int(os.getenv("VLLM_USE_DEEP_GEMM_TMA_ALIGNED_SCALES", "1"))
), ),
"VLLM_USE_AITER_MOE_W8A8": lambda: bool(
int(os.getenv("VLLM_USE_AITER_MOE_W8A8", "1"))
),
# DeepGemm JITs the kernels on-demand. The warmup attempts to make DeepGemm # DeepGemm JITs the kernels on-demand. The warmup attempts to make DeepGemm
# JIT all the required kernels before model execution so there is no # JIT all the required kernels before model execution so there is no
# JIT'ing in the hot-path. However, this warmup increases the engine # JIT'ing in the hot-path. However, this warmup increases the engine
......
vllm/model_executor/layers/fused_moe/fused_moe.py
View file @ 4ee85c63
...@@ -6,7 +6,9 @@ import functools ...@@ -6,7 +6,9 @@ import functools
import json import json
import os import os
import math import math
import sys
import aiter
from aiter.moe import get_aiter_moe_config, aiter_moe, MoeQuantType
from collections.abc import Callable from collections.abc import Callable
from typing import Any, Callable, Dict, List, Optional from typing import Any, Callable, Dict, List, Optional
...@@ -1858,35 +1860,73 @@ def fused_experts_impl( ...@@ -1858,35 +1860,73 @@ def fused_experts_impl(
cache13 = torch.empty(M * top_k_num * max(N, K if not use_nn_moe else w2.shape[2]), device=hidden_states.device, dtype=hidden_states.dtype) cache13 = torch.empty(M * top_k_num * max(N, K if not use_nn_moe else w2.shape[2]), device=hidden_states.device, dtype=hidden_states.dtype)
if use_int8_w8a8 or use_fp8_w8a8: if use_int8_w8a8 or use_fp8_w8a8:
return fused_experts_impl_int8(hidden_states=hidden_states, if envs.VLLM_USE_AITER_MOE_W8A8==True:
w1=w1, K_input = hidden_states.size(1)
w2=w2, actual_N2 = N // 2
topk_weights=topk_weights, quant_type = MoeQuantType.W8A8
topk_ids=topk_ids, status, moe_config = get_aiter_moe_config(
cache13=cache13, M=num_tokens,
inplace=inplace, E=global_num_experts,
activation=activation, N1=N,
apply_router_weight_on_input=apply_router_weight_on_input, N2=actual_N2,
use_fp8_w8a8=use_fp8_w8a8, K=K_input,
use_int8_w8a8=use_int8_w8a8, top_k=top_k_num,
use_int8_w8a16=False, block_size=0,
use_int4_w4a16=False, dtype=hidden_states.dtype,
per_channel_quant=per_channel_quant, quant_type=quant_type,
global_num_experts=global_num_experts, )
expert_map=expert_map,
w1_scale=w1_scale, output = aiter_moe(
w2_scale=w2_scale, hidden_states=hidden_states,
w1_zp=w1_zp, w1=w1,
w2_zp=w2_zp, w2=w2,
a1_scale=a1_scale, topk_weights=topk_weights,
a2_scale=a2_scale, topk_ids=topk_ids,
block_shape=block_shape, moe_config=moe_config,
use_nn_moe=False, inplace=inplace,
routed_scaling_factor=routed_scaling_factor, activation=activation,
shared_output=shared_output, w1_scale=w1_scale,
i_q=i_q, w2_scale=w2_scale,
i_s=i_s w1_zp=w1_zp,
) w2_zp=w2_zp,
a1_scale=a1_scale,
a2_scale=a2_scale,
block_shape=None,
global_num_experts=global_num_experts,
expert_map=expert_map,
routed_scaling_factor=routed_scaling_factor,
)
return output
else:
return fused_experts_impl_int8(hidden_states=hidden_states,
w1=w1,
w2=w2,
topk_weights=topk_weights,
topk_ids=topk_ids,
cache13=cache13,
inplace=inplace,
activation=activation,
apply_router_weight_on_input=apply_router_weight_on_input,
use_fp8_w8a8=use_fp8_w8a8,
use_int8_w8a8=use_int8_w8a8,
use_int8_w8a16=False,
use_int4_w4a16=False,
per_channel_quant=per_channel_quant,
global_num_experts=global_num_experts,
expert_map=expert_map,
w1_scale=w1_scale,
w2_scale=w2_scale,
w1_zp=w1_zp,
w2_zp=w2_zp,
a1_scale=a1_scale,
a2_scale=a2_scale,
block_shape=block_shape,
use_nn_moe=False,
routed_scaling_factor=routed_scaling_factor,
shared_output=shared_output,
i_q=i_q,
i_s=i_s
)
elif use_int4_w4a8 is True: elif use_int4_w4a8 is True:
return fused_experts_impl_w4a8(hidden_states=hidden_states, return fused_experts_impl_w4a8(hidden_states=hidden_states,
w1=w1, w1=w1,
......
vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors_moe_marlin.py
View file @ 4ee85c63
...@@ -26,6 +26,12 @@ from vllm.model_executor.layers.fused_moe import ( ...@@ -26,6 +26,12 @@ from vllm.model_executor.layers.fused_moe import (
FusedMoEPrepareAndFinalize, FusedMoEPrepareAndFinalize,
FusedMoeWeightScaleSupported, FusedMoeWeightScaleSupported,
) )
import aiter
from aiter.test_common import checkAllclose, perftest
from aiter.ops.shuffle import moe_layout_shuffle_gemm1, moe_layout_shuffle_gemm2
from aiter.fused_moe import fused_topk, torch_moe
from aiter import dtypes, ActivationType
from aiter.moe import get_aiter_moe_config, aiter_moe, MoeSolutionType, MoeQuantType
try: try:
from lmslim.layers.fused_moe.fuse_moe_int8_marlin import fused_experts_impl_int8_marlin from lmslim.layers.fused_moe.fuse_moe_int8_marlin import fused_experts_impl_int8_marlin
from lmslim.layers.fused_moe.fuse_moe_fp8_marlin import fused_experts_impl_fp8_marlin from lmslim.layers.fused_moe.fuse_moe_fp8_marlin import fused_experts_impl_fp8_marlin
...@@ -369,28 +375,44 @@ class CompressedTensorsW8A8Int8MarlinMoEMethod(CompressedTensorsMarlinMoEMethod) ...@@ -369,28 +375,44 @@ class CompressedTensorsW8A8Int8MarlinMoEMethod(CompressedTensorsMarlinMoEMethod)
layer.w13_input_scale = None layer.w13_input_scale = None
layer.w2_input_scale = None layer.w2_input_scale = None
def process_weights_after_loading(self, layer: torch.nn.Module) -> None: def shuffle_w8a8_gemm1(self, weight_data):
w1_marlin_list = [] w_i8 = weight_data.to(torch.int8)
for ii in range(layer.w13_weight.shape[0]): return moe_layout_shuffle_gemm1(w_i8)
if not self.use_deepep:
w1_marlin_in = get_w8a8_int8_marlin_weights(layer.w13_weight[ii])
else:
w1_marlin_in = weight8bit_nt_kpack2_marlin1(layer.w13_weight[ii])
w1_marlin_list.append(w1_marlin_in)
w1_marlin = torch.stack(w1_marlin_list, dim=0)
del w1_marlin_list def shuffle_w8a8_gemm2(self, weight_data):
w2_marlin_list = [] w_i8 = weight_data.to(torch.int8)
for ii in range(layer.w2_weight.shape[0]): return moe_layout_shuffle_gemm2(w_i8)
if not self.use_deepep:
w2_marlin_in = get_w8a8_int8_marlin_weights(layer.w2_weight[ii])
else:
w2_marlin_in = weight8bit_nt_kpack2_marlin1(layer.w2_weight[ii])
w2_marlin_list.append(w2_marlin_in)
w2_marlin = torch.stack(w2_marlin_list, dim=0)
layer.w13_weight = Parameter(w1_marlin, requires_grad=False) def process_weights_after_loading(self, layer: torch.nn.Module) -> None:
layer.w2_weight = Parameter(w2_marlin, requires_grad=False) if envs.VLLM_USE_AITER_MOE_W8A8==True:
layer.w13_weight_scale = Parameter(layer.w13_weight_scale.data, requires_grad=False)
layer.w2_weight_scale = Parameter(layer.w2_weight_scale.data, requires_grad=False)
shuffled_w13 = self.shuffle_w8a8_gemm1(layer.w13_weight)
layer.w13_weight = Parameter(shuffled_w13.view(*layer.w13_weight.shape), requires_grad=False)
shuffled_w2 = self.shuffle_w8a8_gemm2(layer.w2_weight)
layer.w2_weight = Parameter(shuffled_w2.view(*layer.w2_weight.shape), requires_grad=False)
else:
w1_marlin_list = []
for ii in range(layer.w13_weight.shape[0]):
if not self.use_deepep:
w1_marlin_in = get_w8a8_int8_marlin_weights(layer.w13_weight[ii])
else:
w1_marlin_in = w8a8_nt_kpack2_marlin_weight(layer.w13_weight[ii])
w1_marlin_list.append(w1_marlin_in)
w1_marlin = torch.stack(w1_marlin_list, dim=0)
del w1_marlin_list
w2_marlin_list = []
for ii in range(layer.w2_weight.shape[0]):
if not self.use_deepep:
w2_marlin_in = get_w8a8_int8_marlin_weights(layer.w2_weight[ii])
else:
w2_marlin_in = w8a8_nt_kpack2_marlin_weight(layer.w2_weight[ii])
w2_marlin_list.append(w2_marlin_in)
w2_marlin = torch.stack(w2_marlin_list, dim=0)
layer.w13_weight = Parameter(w1_marlin, requires_grad=False)
layer.w2_weight = Parameter(w2_marlin, requires_grad=False)
def apply( def apply(
self, self,
...@@ -406,30 +428,70 @@ class CompressedTensorsW8A8Int8MarlinMoEMethod(CompressedTensorsMarlinMoEMethod) ...@@ -406,30 +428,70 @@ class CompressedTensorsW8A8Int8MarlinMoEMethod(CompressedTensorsMarlinMoEMethod)
) -> torch.Tensor | tuple[torch.Tensor, torch.Tensor]: ) -> torch.Tensor | tuple[torch.Tensor, torch.Tensor]:
from vllm.model_executor.layers.fused_moe import fused_experts from vllm.model_executor.layers.fused_moe import fused_experts
return fused_experts_impl_int8_marlin( if envs.VLLM_USE_AITER_MOE_W8A8==True:
hidden_states=x, m_flat = x.view(-1, x.shape[-1])
w1=layer.w13_weight, M = m_flat.shape[0]
w2=layer.w2_weight, E = layer.w13_weight.size(0)
topk_weights=topk_weights, K = x.size(-1)
topk_ids=topk_ids, N1 = layer.w13_weight.size(1)
inplace=True, topk = topk_ids.size(1)
activation=layer.activation, w1_input = layer.w13_weight.view(E, N1, K)
apply_router_weight_on_input=layer.apply_router_weight_on_input, w2_input = layer.w2_weight.view(E, K, N1 // 2)
use_int8_w8a8=True,
per_channel_quant=True, _, moe_cfg = get_aiter_moe_config(
global_num_experts=layer.global_num_experts, M=M,
expert_map=layer.expert_map, E=E,
quant_config=self.moe_quant_config, N1=N1,
w1_scale=layer.w13_weight_scale, N2=N1 // 2,
w2_scale=layer.w2_weight_scale, K=K,
a1_scale=layer.w13_input_scale, top_k=topk,
a2_scale=layer.w2_input_scale, block_size=0,
use_nn_moe=False, dtype=x.dtype,
i_q=i_q, quant_type=MoeQuantType.W8A8,
i_s=i_s, )
shared_output=shared_output, output = aiter_moe(
routed_scaling_factor=routed_scaling_factor, hidden_states=x,
) w1=w1_input,
w2=w2_input,
topk_weights=topk_weights,
topk_ids=topk_ids,
moe_config=moe_cfg,
inplace=False,
activation=getattr(layer, "activation", "silu"),
w1_scale=layer.w13_weight_scale,
w2_scale=layer.w2_weight_scale,
a1_scale=getattr(layer, "w13_input_scale", None),
a2_scale=getattr(layer, "w2_input_scale", None),
global_num_experts=E,
expert_map=getattr(layer, "expert_map", None),
routed_scaling_factor=routed_scaling_factor,
)
return output
else:
return fused_experts_impl_int8_marlin(
hidden_states=x,
w1=layer.w13_weight,
w2=layer.w2_weight,
topk_weights=topk_weights,
topk_ids=topk_ids,
inplace=True,
activation=layer.activation,
apply_router_weight_on_input=layer.apply_router_weight_on_input,
use_int8_w8a8=True,
per_channel_quant=True,
global_num_experts=layer.global_num_experts,
expert_map=layer.expert_map,
quant_config=self.moe_quant_config,
w1_scale=layer.w13_weight_scale,
w2_scale=layer.w2_weight_scale,
a1_scale=layer.w13_input_scale,
a2_scale=layer.w2_input_scale,
use_nn_moe=False,
i_q=i_q,
i_s=i_s,
shared_output=shared_output,
routed_scaling_factor=routed_scaling_factor,
)
def select_gemm_impl( def select_gemm_impl(
self, self,
......
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