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submission 745100

chineseman · python · License unknown

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No package. Vendor the mirrored source: 41 lines, June 9 Researcher Reciprocity License v1.0.

v111_no_nt.py
curl "https://kernelindex.com/api/v1/implementations/kernelbot-amd-moe-mxfp4-745100?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
179.3µs
#445 of 782
2026-04-06

Reported · How evidence levels are derived →

Source and license

sourceavailable
revision digestsha256:4c3a934ed8d11cc5f1d47a99cf5dc26e6d340014de25962dbb96e39f514e5a9e
license declaredunknown
license concludedunknown
authorschineseman
imported2026-08-26

Kernel source

v111_no_nt.py41 lines
#!POPCORN leaderboard amd-moe-mxfp4
#!POPCORN gpu MI355X
"""v111: Try without AITER_USE_NT — maybe non-NT is faster for some shapes."""
import os
os.environ["AITER_USE_NT"] = "0"

import torch
from task import input_t, output_t

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


def custom_kernel(data: input_t) -> output_t:
    (
        hidden_states, gate_up_weight, down_weight,
        gate_up_weight_scale, down_weight_scale,
        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,
        block_size_M=-1,
    )
scrolls · 41 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

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