Skip to content
KernelIndex
Search⌘K

submission 665856

sikuan · python · License unknown

Use it

Vendorable · source mirrored · license unknownView source →

No package. Vendor the mirrored source: 50 lines, June 9 Researcher Reciprocity License v1.0.

submission-2.py
curl "https://kernelindex.com/api/v1/implementations/kernelbot-amd-moe-mxfp4-665856?include=source"
interfacepython
Compatibility
measured onAMD Instinct MI355X
declared hardwareAMD Instinct MI355X
architecturesgfx950
dtypesbf16, fp32, fp8_e8m0, int32, mxfp4

Benchmark evidence

1 measurement across 1 GPU, fastest first.

Operation / workload
Hardware
Latency
Rank
Observed
AMD MXFP4 MoEsuite of 7 cases
AMD Instinct MI355X
184.4µs
#540 of 782
2026-03-29

Reported · How evidence levels are derived →

Source and license

sourceavailable
revision digestsha256:fbd0925d08df8a015113db6e61f80c039dbd41151e42b1605d49ca10ce286050
license declaredunknown
license concludedunknown
authorssikuan
imported2026-08-26

Kernel source

submission-2.py50 lines
import torch
from task import input_t, output_t

import aiter
from aiter import ActivationType, QuantType
from aiter.fused_moe import fused_moe


@torch.inference_mode()
def custom_kernel(data: input_t) -> output_t:
    """
    与 reference 一致:只走 fused_moe,避免 fmoe_g1u1 触发 module_moe_asm 的长时间 JIT,
    且勿在 import aiter 前设置 AITER_USE_OPUS_MOE_SORTING(会改变排序与编译路径)。
    """
    (
        hidden_states,
        _gw,
        _dw,
        _gws,
        _dws,
        gate_up_weight_shuffled,
        down_weight_shuffled,
        gate_up_weight_scale_shuffled,
        down_weight_scale_shuffled,
        topk_weights,
        topk_ids,
        config,
    ) = data

    hidden_pad = config["d_hidden_pad"] - config["d_hidden"]
    intermediate_pad = config["d_expert_pad"] - config["d_expert"]

    return fused_moe(
        hidden_states,
        gate_up_weight_shuffled,
        down_weight_shuffled,
        topk_weights,
        topk_ids,
        expert_mask=None,
        activation=ActivationType.Silu,
        quant_type=QuantType.per_1x32,
        doweight_stage1=False,
        w1_scale=gate_up_weight_scale_shuffled,
        w2_scale=down_weight_scale_shuffled,
        a1_scale=None,
        a2_scale=None,
        hidden_pad=hidden_pad,
        intermediate_pad=intermediate_pad,
    )
scrolls · 50 lines total

Source code from GPU Mode and the KernelBot dataset · June 9 Researcher Reciprocity License v1.0

Best evidence level for this revision: reported

JSON