submission 565842
Hale Wang · python · License unknown
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Vendorable · source mirrored · license unknownView source →
No package. Vendor the mirrored source: 24 lines, June 9 Researcher Reciprocity License v1.0.
submission.py
curl "https://kernelindex.com/api/v1/implementations/kernelbot-amd-mxfp4-mm-565842?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 digestsha256:7f41829362797c554a1e417160672a82a4a4960dc24e72e06c6d0a2303de1759
license declaredunknown
license concludedunknown
authorsHale Wang
imported2026-08-26
Kernel source
submission.py24 lines
#!POPCORN leaderboard amd-mxfp4-mm
#!POPCORN gpu MI355X
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 _quant_mxfp4(x):
x_fp4, bs_e8m0 = dynamic_mxfp4_quant(x)
bs_e8m0 = e8m0_shuffle(bs_e8m0)
return x_fp4.view(dtypes.fp4x2), bs_e8m0.view(dtypes.fp8_e8m0)
def custom_kernel(data: input_t) -> output_t:
A, B, B_q, B_shuffle, B_scale_sh = data
A = A.contiguous()
A_q, A_scale_sh = _quant_mxfp4(A)
return aiter.gemm_a4w4(
A_q, B_shuffle, A_scale_sh, 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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