submission 695367
MatrixGod-max · python · License unknown
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Vendorable · source mirrored · license unknownView source →
No package. Vendor the mirrored source: 21 lines, June 9 Researcher Reciprocity License v1.0.
mxfp4_mm.py
curl "https://kernelindex.com/api/v1/implementations/kernelbot-amd-mxfp4-mm-695367?include=source"interfacepython
Compatibility
measured onAMD Instinct MI355X
declared hardwareAMD Instinct MI355X
architecturesgfx950
dtypesbf16, mxfp4
Benchmark evidence
1 measurement across 1 GPU, fastest first.
Operation / workload
Hardware
Latency
Rank
Observed
Reported · How evidence levels are derived →
Source and license
sourceavailable
revision digestsha256:603aee14fb46d9a9dc5dd9c97d8f6bd1b27e4756f8b981b1d6934e6118e06ad5
license declaredunknown
license concludedunknown
authorsMatrixGod-max
imported2026-08-26
Kernel source
mxfp4_mm.py21 lines
from task import input_t, output_t
import aiter
from aiter import dtypes
from aiter.ops.triton.quant import dynamic_mxfp4_quant
from aiter.utility.fp4_utils import e8m0_shuffle
def custom_kernel(data: input_t) -> output_t:
A, _, _, B_shuffle, B_scale_sh = data
A_fp4, A_scale = dynamic_mxfp4_quant(A)
return aiter.gemm_a4w4(
A_fp4.view(dtypes.fp4x2),
B_shuffle,
e8m0_shuffle(A_scale).view(dtypes.fp8_e8m0),
B_scale_sh,
dtype=dtypes.bf16,
bpreshuffle=True,
)
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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