fuse_moe_fp8接入marlin算子

vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors_moe_marlin.py

@@ -29,6 +29,7 @@ from vllm.utils import round_up
 try:
     from lightop import m_grouped_w8a8_gemm_nt_masked, fuse_silu_mul_quant_ep, fuse_silu_mul_quant
     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 lightop import m_grouped_w8a8_gemm_nt_contig_asm
 except Exception:
     print("INFO: Please install lmslim if you want to infer the quantitative model of moe.\n")
@@ -37,8 +38,27 @@ logger = init_logger(__name__)
 
 __all__ = [
     "CompressedTensorsW8A8Int8MarlinMoEMethod",
+    "CompressedTensorsW8A8FP8MarlinMoEMethod",
 ]
+def fp32_to_fp8_e4m3fn(t: torch.Tensor) -> torch.Tensor:
+        """更合理的FP32到Float8_e4m3fn转换，使用最近值而不是简单舍弃尾数"""
+        # torch.float8_e4m3fn的数值范围约[-448, 448]
+        fp8_min, fp8_max = -448.0, 448.0
+        t_clamped = t.clamp(min=fp8_min, max=fp8_max)
+        # 保证不会下溢到0
+        # 转换前到float16再转fp8可能提升精度（float8实现本身通常通过float16做rounding）
+        t_fp16 = t_clamped.to(torch.float16)
+        return t_fp16.to(torch.float8_e4m3fn)
+def w8a8_fp8_nt_kpack2_marlin_weight(w8a8_w, # [size_n, size_k// 2 ]
+                                k_tile=16,
+                                n_tile=16, ):
+    size_n, size_k = w8a8_w.shape
+    assert size_n % k_tile == 0 and size_k % n_tile == 0, "k_tile / n_tile 必须能整除对应维度"
 
+    w8a8_w = w8a8_w.reshape((size_n // n_tile,  n_tile, size_k // k_tile, k_tile))
+    w8a8_w = w8a8_w.permute((0, 2, 1, 3)).contiguous()
+    w8a8_w = w8a8_w.reshape((size_n // k_tile, size_k * k_tile))
+    return w8a8_w
 
 class CompressedTensorsMarlinMoEMethod(FusedMoEMethodBase):
     @staticmethod
@@ -46,17 +66,492 @@ class CompressedTensorsMarlinMoEMethod(FusedMoEMethodBase):
         quant_config: "SlimQuantCompressedTensorsMarlinConfig",  # type: ignore # noqa E501
         layer: torch.nn.Module,
     ) -> "CompressedTensorsMarlinMoEMethod":
-
         # are supported + check if the layer is being ignored.
         weight_quant = quant_config.target_scheme_map["Linear"].get("weights")
         input_quant = quant_config.target_scheme_map["Linear"].get(
             "input_activations")
-        if quant_config._is_dynamic_token_w8a8(weight_quant, input_quant):
+        if quant_config._is_fp8_w8a8(weight_quant, input_quant):
+            return CompressedTensorsW8A8FP8MarlinMoEMethod(quant_config)
+        elif quant_config._is_dynamic_token_w8a8(weight_quant, input_quant):
             return CompressedTensorsW8A8Int8MarlinMoEMethod(quant_config)
         else:
             raise RuntimeError(
                 f"Slimquant_marlin does not support the FusedMoe scheme: {weight_quant}, {input_quant}")
 
+
+class CompressedTensorsW8A8FP8MarlinMoEMethod(CompressedTensorsMarlinMoEMethod):
+    def __init__(
+            self,
+            quant_config: "CompressedTensorsMarlinConfig"  # type: ignore # noqa E501
+    ):
+        self.quant_config = quant_config
+        self.weight_quant = self.quant_config.target_scheme_map["Linear"].get(
+            "weights")
+        self.input_quant = self.quant_config.target_scheme_map["Linear"].get(
+            "input_activations")
+
+        per_channel = (
+                self.weight_quant.strategy == QuantizationStrategy.CHANNEL
+                and self.input_quant.strategy == QuantizationStrategy.TOKEN)
+        if not per_channel:
+            raise ValueError(
+                "For FP8 Fused MoE layers, we require channelwise, "
+                "dynamic per token quantization. Found "
+                f"{self.weight_quant}, {self.input_quant}")
+
+        self.static_input_scales = not self.input_quant.dynamic
+        if self.static_input_scales:
+            raise ValueError(
+                "For FP8 Fused MoE layers, we require channelwise, "
+                "dynamic per token quantization. Found static input scales.")
+
+        self.fused_experts = self.fused_moe_forward
+        vllm_config = get_current_vllm_config()
+        parallel_config = vllm_config.parallel_config
+        self.dp_size = get_dp_group().world_size
+        self.ep_size = get_ep_group().world_size
+        self.use_deepep = self.dp_size > 1 and parallel_config.enable_expert_parallel and \
+                          (envs.VLLM_ALL2ALL_BACKEND == "deepep_high_throughput" or \
+                           envs.VLLM_ALL2ALL_BACKEND == "deepep_low_latency" or \
+                           envs.VLLM_ALL2ALL_BACKEND == "deepep_auto")
+
+        self.use_deepgemm = False
+        if self.use_deepep:
+            all2all_manager = get_ep_group().device_communicator.all2all_manager
+            assert all2all_manager is not None
+            self.num_dispatchers = all2all_manager.world_size
+            self.block_shape = [256, 256]
+            self.use_deepgemm = envs.VLLM_ALL2ALL_BACKEND == "deepep_low_latency" or envs.VLLM_ENABLE_DEEPEP_HT_DEEPGEMM or envs.VLLM_ALL2ALL_BACKEND == "deepep_auto"
+
+    def create_weights(self, layer: torch.nn.Module, num_experts: int,
+                       hidden_size: int, intermediate_size_per_partition: int,
+                       params_dtype: torch.dtype, **extra_weight_attrs):
+
+        if self.use_deepep:
+            self.N = 2 * intermediate_size_per_partition
+            self.K = hidden_size
+
+        params_dtype = torch.float8_e4m3fn
+
+        # WEIGHTS
+        w13_weight = torch.nn.Parameter(torch.empty(
+            num_experts,
+            2 * intermediate_size_per_partition,
+            hidden_size,
+            dtype=params_dtype),
+            requires_grad=False)
+        layer.register_parameter("w13_weight", w13_weight)
+        set_weight_attrs(w13_weight, extra_weight_attrs)
+
+        w2_weight = torch.nn.Parameter(torch.empty(
+            num_experts,
+            hidden_size,
+            intermediate_size_per_partition,
+            dtype=params_dtype),
+            requires_grad=False)
+        layer.register_parameter("w2_weight", w2_weight)
+        set_weight_attrs(w2_weight, extra_weight_attrs)
+
+        # WEIGHT_SCALES
+        assert self.weight_quant.strategy == QuantizationStrategy.CHANNEL
+        w13_weight_scale = torch.nn.Parameter(torch.ones(
+            num_experts,
+            2 * intermediate_size_per_partition,
+            1,
+            dtype=torch.float32),
+            requires_grad=False)
+        layer.register_parameter("w13_weight_scale", w13_weight_scale)
+        w2_weight_scale = torch.nn.Parameter(torch.ones(num_experts,
+                                                        hidden_size,
+                                                        1,
+                                                        dtype=torch.float32),
+                                             requires_grad=False)
+        layer.register_parameter("w2_weight_scale", w2_weight_scale)
+        # Add PER-CHANNEL quantization for FusedMoE.weight_loader.
+        extra_weight_attrs.update(
+            {"quant_method": FusedMoeWeightScaleSupported.CHANNEL.value})
+        set_weight_attrs(w13_weight_scale, extra_weight_attrs)
+        set_weight_attrs(w2_weight_scale, extra_weight_attrs)
+
+        # INPUT_SCALES
+        assert not self.static_input_scales
+        layer.w13_input_scale = None
+        layer.w2_input_scale = None
+
+    def process_weights_after_loading(self, layer: torch.nn.Module) -> None:
+        w1_marlin_list = []
+        for ii in range(layer.w13_weight.shape[0]):
+            if not self.use_deepgemm:
+                w1_marlin_in = get_w8a8_int8_marlin_weights(layer.w13_weight[ii])
+            else:
+                w1_marlin_in = w8a8_fp8_nt_kpack2_marlin_weight(layer.w13_weight[ii])
+            w1_marlin_list.append(w1_marlin_in.float() if w1_marlin_in.dtype == torch.float8_e4m3fn else w1_marlin_in)
+
+        w1_marlin = torch.stack(w1_marlin_list, dim=0)
+        w1_marlin = fp32_to_fp8_e4m3fn(w1_marlin)
+        del w1_marlin_list
+        w2_marlin_list = []
+        for ii in range(layer.w2_weight.shape[0]):
+            if not self.use_deepgemm:
+                w2_marlin_in = get_w8a8_int8_marlin_weights(layer.w2_weight[ii])
+            else:
+                w2_marlin_in = w8a8_fp8_nt_kpack2_marlin_weight(layer.w2_weight[ii])
+            w2_marlin_list.append(w2_marlin_in.float() if w2_marlin_in.dtype == torch.float8_e4m3fn else w2_marlin_in)
+        w2_marlin = torch.stack(w2_marlin_list, dim=0)
+        w2_marlin = fp32_to_fp8_e4m3fn(w2_marlin)
+        layer.w13_weight = Parameter(w1_marlin, requires_grad=False)
+        layer.w2_weight = Parameter(w2_marlin, requires_grad=False)
+
+    def masked_groupgemm_workspace_shapes(self,
+                                          a: torch.Tensor,
+                                          aq: torch.Tensor,
+                                          M: int,
+                                          N: int,
+                                          K: int,
+                                          topk: int,
+                                          global_num_experts: int,
+                                          local_num_experts: int, ):
+        assert a.dim() == 2
+        # FIXME (varun): We should be able to dispatch only from the leader
+        # DP ranks in the case of TP > 1. At the moment, all the Ranks
+        # end up sending their tokens. This needs to be fixed.
+        num_dispatchers = self.num_dispatchers
+        num_experts = local_num_experts
+        max_num_tokens = a.size(
+            0) if self.max_num_tokens_per_rank is None else self.max_num_tokens_per_rank
+        workspace13 = (num_experts, max_num_tokens * num_dispatchers,
+                       max(K, N))
+        workspace2 = (num_experts, max_num_tokens * num_dispatchers, (N // 2))
+        output = (num_experts, max_num_tokens * num_dispatchers, K)
+        return (workspace13, workspace2, output, a.dtype)
+
+    def contiguous_groupgemm_workspace_shapes(
+            self, a: torch.Tensor, aq: torch.Tensor, M: int, N: int, K: int,
+            topk: int, global_num_experts: int, local_num_experts: int,
+            expert_num_tokens_cpu: torch.Tensor
+    ) -> tuple[tuple[int, ...], tuple[int, ...], tuple[int, ...], torch.dtype]:
+        assert self.block_shape is not None
+        # We use global_num_experts due to how moe_align_block_size handles
+        # expert_maps.
+        block_m = self.block_shape[0]
+        M_sum = compute_aligned_M(
+            M, topk, local_num_experts, block_m, expert_num_tokens_cpu
+        )
+        assert M_sum % block_m == 0
+
+        workspace1 = (M_sum, max(N, K))
+        workspace2 = (M_sum, max(N // 2, K))
+        output = (M, K)
+        return (workspace1, workspace2, output, a.dtype, M_sum)
+
+    def w8a8_groupgemm_masked_forward(self,
+                                      x: torch.Tensor,
+                                      w1: torch.Tensor,
+                                      w2: torch.Tensor,
+                                      topk_ids: torch.Tensor,
+                                      topk_weights: torch.Tensor,
+                                      global_num_experts: int = -1,
+                                      expert_map: Optional[torch.Tensor] = None,
+                                      apply_router_weight_on_input: bool = False,
+                                      activation: str = "silu",
+                                      w1_scale: Optional[torch.Tensor] = None,
+                                      w2_scale: Optional[torch.Tensor] = None,
+                                      a1_scale: Optional[torch.Tensor] = None,
+                                      a2_scale: Optional[torch.Tensor] = None,
+                                      expert_num_tokens: Optional[torch.Tensor] = None,
+                                      use_nn_moe: Optional[bool] = False,
+                                      routed_scaling_factor: Optional[float] = None,
+                                      shared_output: Optional[torch.Tensor] = None,
+                                      q_x: Optional[torch.Tensor] = None,
+                                      expert_num_tokens_cpu: Optional[torch.Tensor] = None,
+                                      **_):
+
+        import vllm.model_executor.layers.fused_moe.modular_kernel as mk
+        local_num_experts = w1.size(0)
+
+        E, max_num_tokens, _, _, top_k = mk._moe_problem_size(
+            q_x, w1, w2, topk_ids)
+
+        N, K = self.N, self.K
+        (workspace13_shape, workspace2_shape, fused_out_shape,
+         workspace_dtype) = self.masked_groupgemm_workspace_shapes(
+            x, q_x, max_num_tokens, N, K, top_k, global_num_experts,
+            local_num_experts)
+        workspace13 = torch.empty(prod(workspace13_shape),
+                                  device=x.device,
+                                  dtype=workspace_dtype)
+        workspace1 = _resize_cache(workspace13, (E, max_num_tokens, N))
+        fused_out = _resize_cache(workspace13, fused_out_shape)
+
+        # (from deepgemm docs) : A value hint (which is a value on CPU)
+        # for the M expectation of each batch, correctly setting this value
+        # may lead to better performance.
+        # expected_m = max_num_tokens
+
+        ori_bs = x.shape[0]
+        expected_m = ori_bs * self.ep_size
+        # expected_m = (
+        #     x.shape[0] * self.dp_size * topk_ids.shape[1]
+        #     + global_num_experts
+        # ) // global_num_experts
+
+        m_grouped_w8a8_gemm_nt_masked((q_x, a1_scale),
+                                      (w1, w1_scale),
+                                      workspace1,
+                                      expert_num_tokens,
+                                      expected_m,
+                                      )
+
+        assert expert_num_tokens is not None
+
+        a2q, a2q_scale = fuse_silu_mul_quant_ep(workspace1, expert_num_tokens)
+        m_grouped_w8a8_gemm_nt_masked((a2q, a2q_scale),
+                                      (w2, w2_scale),
+                                      fused_out,
+                                      expert_num_tokens,
+                                      expected_m)
+
+        return fused_out
+
+    def w8a8_groupgemm_contiguous_forward(self,
+                                          x: torch.Tensor,
+                                          w1: torch.Tensor,
+                                          w2: torch.Tensor,
+                                          topk_ids: torch.Tensor,
+                                          topk_weights: torch.Tensor,
+                                          global_num_experts: int = -1,
+                                          expert_map: Optional[torch.Tensor] = None,
+                                          apply_router_weight_on_input: bool = False,
+                                          activation: str = "silu",
+                                          w1_scale: Optional[torch.Tensor] = None,
+                                          w2_scale: Optional[torch.Tensor] = None,
+                                          a1_scale: Optional[torch.Tensor] = None,
+                                          a2_scale: Optional[torch.Tensor] = None,
+                                          expert_num_tokens: Optional[torch.Tensor] = None,
+                                          use_nn_moe: Optional[bool] = False,
+                                          routed_scaling_factor: Optional[float] = None,
+                                          shared_output: Optional[torch.Tensor] = None,
+                                          q_x: Optional[torch.Tensor] = None,
+                                          expert_num_tokens_cpu: Optional[torch.Tensor] = None,
+                                          **_):
+        import vllm.model_executor.layers.fused_moe.modular_kernel as mk
+        local_num_experts = w1.size(0)
+
+        a1q = q_x
+        N, K = self.N, self.K
+
+        (workspace13_shape, workspace2_shape, fused_out_shape,
+         workspace_dtype, M_sum) = self.contiguous_groupgemm_workspace_shapes(
+            x, q_x, topk_ids.size(0), N, K, topk_ids.size(1), global_num_experts,
+            local_num_experts, expert_num_tokens_cpu)
+
+        workspace13 = torch.empty(prod(workspace13_shape),
+                                  device=x.device,
+                                  dtype=workspace_dtype)
+        workspace2 = torch.empty(prod(workspace2_shape),
+                                 device=x.device,
+                                 dtype=workspace_dtype)
+
+        mm1_out = _resize_cache(workspace13, (M_sum, N))
+        mm2_out = _resize_cache(workspace2, (M_sum, K))
+        act_out = _resize_cache(workspace2, (M_sum, N // 2))
+        quant_out = _resize_cache(
+            workspace13.view(dtype=a1q.dtype), (M_sum, N // 2)
+        )
+        fused_out = _resize_cache(workspace13, fused_out_shape)
+
+        a1q_perm = _resize_cache(workspace2.view(dtype=a1q.dtype), (M_sum, K))
+
+        a1q, a1q_scale, expert_ids, inv_perm = deepgemm_moe_permute(
+            aq=a1q,
+            aq_scale=a1_scale,
+            topk_ids=topk_ids,
+            local_num_experts=local_num_experts,
+            expert_map=expert_map,
+            block_shape=self.block_shape,
+            expert_num_tokens=expert_num_tokens,
+            expert_num_tokens_cpu=expert_num_tokens_cpu,
+            aq_out=a1q_perm,
+            M_sum=M_sum
+        )
+
+        m_grouped_w8a8_gemm_nt_contig_asm(
+            (a1q, a1q_scale), (w1, w1_scale), mm1_out, expert_ids)
+
+        a2q, a2q_scale = fuse_silu_mul_quant(mm1_out)
+        # a2q, a2q_scale = fuse_silu_mul_quant(input=mm1_out, expert_ids=expert_ids)
+
+        m_grouped_w8a8_gemm_nt_contig_asm(
+            (a2q, a2q_scale), (w2, w2_scale), mm2_out, expert_ids)
+
+        if apply_router_weight_on_input:
+            topk_weights = torch.ones_like(topk_weights)
+
+        deepgemm_unpermute_and_reduce(
+            a=mm2_out,
+            topk_ids=topk_ids,
+            topk_weights=topk_weights,
+            inv_perm=inv_perm,
+            expert_map=expert_map,
+            output=fused_out,
+        )
+
+        return fused_out
+
+    def fused_moe_forward(self,
+                          x: torch.Tensor,
+                          w1: torch.Tensor,
+                          w2: torch.Tensor,
+                          topk_ids: torch.Tensor,
+                          topk_weights: torch.Tensor,
+                          global_num_experts: int = -1,
+                          expert_map: Optional[torch.Tensor] = None,
+                          apply_router_weight_on_input: bool = False,
+                          activation: str = "silu",
+                          w1_scale: Optional[torch.Tensor] = None,
+                          w2_scale: Optional[torch.Tensor] = None,
+                          a1_scale: Optional[torch.Tensor] = None,
+                          a2_scale: Optional[torch.Tensor] = None,
+                          expert_num_tokens: Optional[torch.Tensor] = None,
+                          use_nn_moe: Optional[bool] = False,
+                          routed_scaling_factor: Optional[float] = None,
+                          shared_output: Optional[torch.Tensor] = None,
+                          i_q: Optional[torch.Tensor] = None,
+                          i_s: Optional[torch.Tensor] = None,
+                          q_x: Optional[torch.Tensor] = None,
+                          expert_num_tokens_cpu: Optional[torch.Tensor] = None,
+                          **_):
+        return fused_experts_impl_fp8_marlin(
+            hidden_states=x if q_x is None else q_x,
+            w1=w1,
+            w2=w2,
+            topk_weights=topk_weights,
+            topk_ids=topk_ids,
+            inplace=True,
+            activation=activation,
+            apply_router_weight_on_input=apply_router_weight_on_input,
+            use_fp8_w8a8=True,
+            per_channel_quant=True,
+            global_num_experts=global_num_experts,
+            expert_map=expert_map,
+            w1_scale=w1_scale,
+            w2_scale=w2_scale,
+            a1_scale=a1_scale,
+            a2_scale=a2_scale,
+            use_nn_moe=False,
+            shared_output=shared_output,
+            routed_scaling_factor=routed_scaling_factor,
+            i_q=i_q,
+            i_s=i_s)
+
+    def apply(
+            self,
+            layer: torch.nn.Module,
+            x: torch.Tensor,
+            router_logits: torch.Tensor,
+            top_k: int,
+            renormalize: bool,
+            use_grouped_topk: bool = False,
+            topk_group: Optional[int] = None,
+            num_expert_group: Optional[int] = None,
+            global_num_experts: int = -1,
+            expert_map: Optional[torch.Tensor] = None,
+            custom_routing_function: Optional[Callable] = None,
+            scoring_func: str = "softmax",
+            e_score_correction_bias: Optional[torch.Tensor] = None,
+            apply_router_weight_on_input: bool = False,
+            activation: str = "silu",
+            enable_eplb: bool = False,
+            use_nn_moe: Optional[bool] = False,
+            routed_scaling_factor: Optional[float] = None,
+            use_fused_gate: Optional[bool] = False,
+            expert_load_view: Optional[torch.Tensor] = None,
+            logical_to_physical_map: Optional[torch.Tensor] = None,
+            logical_replica_count: Optional[torch.Tensor] = None,
+            shared_output: Optional[torch.Tensor] = None,
+            i_q: Optional[torch.Tensor] = None,
+            i_s: Optional[torch.Tensor] = None,
+            **_
+    ) -> torch.Tensor:
+        if enable_eplb:
+            raise NotImplementedError(
+                "EPLB not supported for "
+                "`CompressedTensorsW8A8FP8MoEMethod` yet.")
+
+        topk_weights, topk_ids = FusedMoE.select_experts(
+            hidden_states=x,
+            router_logits=router_logits,
+            use_grouped_topk=use_grouped_topk,
+            top_k=top_k,
+            renormalize=renormalize,
+            topk_group=topk_group,
+            num_expert_group=num_expert_group,
+            custom_routing_function=custom_routing_function,
+            scoring_func=scoring_func,
+            routed_scaling_factor=routed_scaling_factor,
+            use_fused_gate=use_fused_gate,
+            e_score_correction_bias=e_score_correction_bias,
+            indices_type=torch.int64 if self.use_deepep else None, )
+
+        return self.fused_experts(
+            x,
+            layer.w13_weight,
+            layer.w2_weight,
+            topk_weights=topk_weights,
+            topk_ids=topk_ids,
+            inplace=True,
+            activation=activation,
+            apply_router_weight_on_input=apply_router_weight_on_input,
+            global_num_experts=global_num_experts,
+            expert_map=expert_map,
+            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,
+            shared_output=shared_output,
+            routed_scaling_factor=routed_scaling_factor,
+            i_q=i_q,
+            i_s=i_s
+        )
+
+    def select_gemm_impl(
+            self,
+            prepare_finalize: FusedMoEPrepareAndFinalize,
+            moe: FusedMoEConfig,
+    ) -> FusedMoEPermuteExpertsUnpermute:
+        from vllm.model_executor.layers.fused_moe import (
+            TritonOrGroupGemmExperts)
+
+        if (prepare_finalize.activation_format ==
+                FusedMoEActivationFormat.BatchedExperts):
+            max_num_tokens_per_rank = (
+                prepare_finalize.max_num_tokens_per_rank())
+            assert max_num_tokens_per_rank is not None
+            self.max_num_tokens_per_rank = max_num_tokens_per_rank
+            logger.debug(
+                "TritonOrGroupGemmExperts(%s): "
+                "max_tokens_per_rank=%s, block_size=%s, per_act_token=%s",
+                self.__class__.__name__, max_num_tokens_per_rank,
+                None, True)
+            return TritonOrGroupGemmExperts(
+                use_fp8_w8a8=True,
+                per_act_token_quant=True,
+                fused_experts=self.w8a8_groupgemm_masked_forward
+            )
+        else:
+            logger.debug(
+                "TritonOrGroupGemmExperts(%s): block_size=%s, per_act_token=%s",
+                self.__class__.__name__, None,
+                False)
+
+            return TritonOrGroupGemmExperts(
+                use_fp8_w8a8=True if envs.VLLM_ENABLE_DEEPEP_HT_DEEPGEMM else False,
+                per_act_token_quant=True if envs.VLLM_ENABLE_DEEPEP_HT_DEEPGEMM else False,
+                fused_experts=self.w8a8_groupgemm_contiguous_forward if envs.VLLM_ENABLE_DEEPEP_HT_DEEPGEMM else self.fused_moe_forward
+            )
+
+
 class CompressedTensorsW8A8Int8MarlinMoEMethod(CompressedTensorsMarlinMoEMethod):
     def __init__(
             self,