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[quantization] Enable aiter mxfp4 fused_moe for Quark (#10048)

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Co-authored-by: HaiShaw <hixiao@gmail.com>
This commit is contained in:
Bowen Bao
2025-10-05 19:51:34 -07:00
committed by GitHub
parent c7a104c12b
commit baee08601b
1 changed files with 7 additions and 1 deletions
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8
python/sglang/srt/layers/quantization/quark/quark_moe.py
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@@ -12,7 +12,7 @@ from aiter.utility.fp4_utils import e8m0_shuffle
from sglang.srt.layers.moe import MoeRunnerConfig
from sglang.srt.layers.quantization.base_config import FusedMoEMethodBase
from sglang.srt.utils import get_bool_env_var, mxfp_supported, set_weight_attrs
from sglang.srt.utils import get_bool_env_var, is_hip, mxfp_supported, set_weight_attrs
if TYPE_CHECKING:
from sglang.srt.layers.moe.token_dispatcher import (
@@ -23,6 +23,8 @@ if TYPE_CHECKING:
logger = logging.getLogger(__name__)
_is_hip = is_hip()
__all__ = ["QuarkMoEMethod", "QuarkW4A4MXFp4MoEMethod"]
OCP_MX_BLOCK_SIZE = 32
@@ -182,6 +184,10 @@ class QuarkW4A4MXFp4MoEMethod(QuarkMoEMethod):
topk_output = dispatch_output.topk_output
moe_runner_config = self.moe_runner_config
topk_weights, topk_ids, _ = topk_output
if _is_hip:
topk_weights = topk_weights.to(
torch.float32
) # aiter's moe_sorting requires topk_weights to be FP32
if hasattr(torch, "float4_e2m1fn_x2"):
w13_weight = layer.w13_weight.view(torch.float4_e2m1fn_x2)