[Bugfix] Fix CI moe kernel failure (#22556)

Signed-off-by: Jee Jee Li <pandaleefree@gmail.com>

tests/kernels/moe/test_gpt_oss_triton_kernels.py

@@ -5,6 +5,15 @@ from dataclasses import dataclass, fields
 import pytest
 import torch
 import torch.nn.functional as F
+
+from vllm.utils import has_triton_kernels
+
+if not has_triton_kernels():
+    pytest.skip(
+        "triton_kernels not found, skipping all related tests",
+        allow_module_level=True,
+    )
+
 import triton_kernels.swiglu
 from triton_kernels.matmul_ogs import FlexCtx, PrecisionConfig
 from triton_kernels.numerics import InFlexData
@@ -65,7 +74,7 @@ def init_compute_data(M, K, N, E, a_dtype: str, w_dtype: str, num_warps: int):
     dtype_dict = {
         "bf16": torch.bfloat16,
         "fp8_e4m3": torch.float8_e4m3fn,
-        "fp8_e5m2": torch.float8_e5m2
+        "fp8_e5m2": torch.float8_e5m2,
     }
 
     x = x.to(dtype_dict[a_dtype]).to(torch.bfloat16)
@@ -97,12 +106,18 @@ def init_compute_data(M, K, N, E, a_dtype: str, w_dtype: str, num_warps: int):
 
         x_pad = w1_bottom_pad
 
-        w1_tri = F.pad(w1_tri, (0, w1_right_pad, 0, w1_bottom_pad, 0, 0),
+        w1_tri = F.pad(
+            w1_tri,
+            (0, w1_right_pad, 0, w1_bottom_pad, 0, 0),
             mode="constant",
-                       value=0)
-        w2_tri = F.pad(w2_tri, (0, w2_right_pad, 0, w2_bottom_pad, 0, 0),
+            value=0,
+        )
+        w2_tri = F.pad(
+            w2_tri,
+            (0, w2_right_pad, 0, w2_bottom_pad, 0, 0),
             mode="constant",
-                       value=0)
+            value=0,
+        )
 
         w1_bias_tri = F.pad(w1_bias_tri, (0, w1_right_pad, 0, 0),
                             mode="constant",
@@ -127,13 +142,19 @@ def init_compute_data(M, K, N, E, a_dtype: str, w_dtype: str, num_warps: int):
 
         w1_tri = convert_layout(wrap_torch_tensor(w1_tri, FP4), w_layout,
                                 **w_layout_opts)
-        w1_scale_tri = convert_layout(wrap_torch_tensor(w1_scale_tri),
-                                      w_scale_layout, **w_scale_layout_opts)
+        w1_scale_tri = convert_layout(
+            wrap_torch_tensor(w1_scale_tri),
+            w_scale_layout,
+            **w_scale_layout_opts,
+        )
 
         w2_tri = convert_layout(wrap_torch_tensor(w2_tri, FP4), w_layout,
                                 **w_layout_opts)
-        w2_scale_tri = convert_layout(wrap_torch_tensor(w2_scale_tri),
-                                      w_scale_layout, **w_scale_layout_opts)
+        w2_scale_tri = convert_layout(
+            wrap_torch_tensor(w2_scale_tri),
+            w_scale_layout,
+            **w_scale_layout_opts,
+        )
 
         pc1 = PrecisionConfig(weight_scale=w1_scale_tri,
                               flex_ctx=FlexCtx(rhs_data=InFlexData()))
@@ -149,8 +170,22 @@ def init_compute_data(M, K, N, E, a_dtype: str, w_dtype: str, num_warps: int):
         w1 = w1.transpose(-1, -2).contiguous()
         w2 = w2.transpose(-1, -2).contiguous()
 
-        return (x, w1, w1_bias, w2, w2_bias, exp_data, x_tri, w1_tri, w2_tri,
-                exp_data_tri, w1_bias_tri, w2_bias_tri, pc1, pc2)
+        return (
+            x,
+            w1,
+            w1_bias,
+            w2,
+            w2_bias,
+            exp_data,
+            x_tri,
+            w1_tri,
+            w2_tri,
+            exp_data_tri,
+            w1_bias_tri,
+            w2_bias_tri,
+            pc1,
+            pc2,
+        )
 
 
 @dataclass
@@ -190,7 +225,8 @@ def oai_moe_forward(
     w2: torch.Tensor,  # (E, K, N)
     w2_bias: torch.Tensor,  # (E, N)
     gating_output: torch.Tensor,  # (M, E)
-        topk: int):
+    topk: int,
+):
     # model.py 309:330, assuming gating and norm
     t = hidden_states
     experts = torch.topk(gating_output, k=topk, dim=-1, sorted=True)
@@ -240,10 +276,22 @@ def test_equiv(num_token, a_dtype, w_dtype, tp):
     N = ModelConfig.intermediate_size // tp
     topk = ModelConfig.experts_per_token
 
-    x, w1, w1_bias, w2, w2_bias, exp_data, \
-        x_tri, w1_tri, w2_tri, exp_data_tri, w1_bias_tri,\
-        w2_bias_tri, pc1, pc2 = init_compute_data(
-        M, K, N, E, a_dtype, w_dtype, num_warps=8)
+    (
+        x,
+        w1,
+        w1_bias,
+        w2,
+        w2_bias,
+        exp_data,
+        x_tri,
+        w1_tri,
+        w2_tri,
+        exp_data_tri,
+        w1_bias_tri,
+        w2_bias_tri,
+        pc1,
+        pc2,
+    ) = init_compute_data(M, K, N, E, a_dtype, w_dtype, num_warps=8)
 
     out_triton_monolithic = triton_kernel_moe_forward(
         hidden_states=x_tri,
@@ -255,33 +303,46 @@ def test_equiv(num_token, a_dtype, w_dtype, tp):
         w1_bias=w1_bias_tri,
         w2_bias=w2_bias_tri,
         w1_precision=pc1,
-        w2_precision=pc2)
+        w2_precision=pc2,
+    )
     out_triton_monolithic = out_triton_monolithic[..., :K]
 
-    out_ref = oai_moe_forward(hidden_states=x,
+    out_ref = oai_moe_forward(
+        hidden_states=x,
         w1=w1,
         w1_bias=w1_bias,
         w2=w2,
         w2_bias=w2_bias,
         gating_output=exp_data,
-                              topk=topk)
+        topk=topk,
+    )
     assert_close(ref=out_ref,
                  tri=out_triton_monolithic,
                  maxtol=0.025,
                  rmstol=0.005)
 
 
-def batched_moe(a: torch.Tensor, w1, w2, gating_output: torch.Tensor,
-                topk: int, renormalize: bool, w1_bias: torch.Tensor,
-                w2_bias: torch.Tensor, w1_precision: PrecisionConfig,
-                w2_precision: PrecisionConfig) -> torch.Tensor:
+def batched_moe(
+    a: torch.Tensor,
+    w1,
+    w2,
+    gating_output: torch.Tensor,
+    topk: int,
+    renormalize: bool,
+    w1_bias: torch.Tensor,
+    w2_bias: torch.Tensor,
+    w1_precision: PrecisionConfig,
+    w2_precision: PrecisionConfig,
+) -> torch.Tensor:
     max_num_tokens = round_up(a.shape[0], 64)
 
     fused_experts = FusedMoEModularKernel(
-        BatchedPrepareAndFinalize(max_num_tokens,
+        BatchedPrepareAndFinalize(
+            max_num_tokens,
             num_dispatchers=1,
             num_local_experts=w1.shape[0],
-                                  rank=0),
+            rank=0,
+        ),
         BatchedOAITritonExperts(
             None,
             max_num_tokens=max_num_tokens,
@@ -327,12 +388,25 @@ def test_triton_kernel_batched_moe(num_token, a_dtype, w_dtype, ep):
     N = ModelConfig.intermediate_size
     topk = ModelConfig.experts_per_token
 
-    x, w1, w1_bias, w2, w2_bias, exp_data, \
-        x_tri, w1_tri, w2_tri, exp_data_tri, w1_bias_tri, \
-            w2_bias_tri, pc1, pc2 = init_compute_data(
-        M, K, N, E, a_dtype, w_dtype, num_warps=4)
-
-    out_tri = batched_moe(a=x_tri,
+    (
+        x,
+        w1,
+        w1_bias,
+        w2,
+        w2_bias,
+        exp_data,
+        x_tri,
+        w1_tri,
+        w2_tri,
+        exp_data_tri,
+        w1_bias_tri,
+        w2_bias_tri,
+        pc1,
+        pc2,
+    ) = init_compute_data(M, K, N, E, a_dtype, w_dtype, num_warps=4)
+
+    out_tri = batched_moe(
+        a=x_tri,
         w1=w1_tri,
         w2=w2_tri,
         gating_output=exp_data_tri,
@@ -341,16 +415,19 @@ def test_triton_kernel_batched_moe(num_token, a_dtype, w_dtype, ep):
         w1_bias=w1_bias_tri,
         w2_bias=w2_bias_tri,
         w1_precision=pc1,
-                          w2_precision=pc2)
+        w2_precision=pc2,
+    )
     out_tri = out_tri[..., :K]
 
-    out_ref = oai_moe_forward(hidden_states=x,
+    out_ref = oai_moe_forward(
+        hidden_states=x,
         w1=w1,
         w1_bias=w1_bias,
         w2=w2,
         w2_bias=w2_bias,
         gating_output=exp_data,
-                              topk=topk)
+        topk=topk,
+    )
     assert_close(ref=out_ref, tri=out_tri, maxtol=0.025, rmstol=0.005)
 
 
@@ -370,6 +447,7 @@ def test_unit_shuffle():
     out = triton_kernels.swiglu.swiglu_torch(
         out,
         alpha=1.702,
-        precision_config=triton_kernels.swiglu.PrecisionConfig(limit=1.0))
+        precision_config=triton_kernels.swiglu.PrecisionConfig(limit=1.0),
+    )
 
     assert_close(ref=out_ref, tri=out)