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No package. Vendor the mirrored source: 35 lines, MIT.

97_Matmul_BatchNorm_BiasAdd_Divide_Swish.py
curl "https://kernelindex.com/api/v1/implementations/kernelbench-l2-97-matmul-batchnorm-biasadd-divide-swish-torch?include=source"
interfacepython · torch_eager
symbolModel.forward
Compatibility
measured onNVIDIA H100
declared hardwaredeclared only
architectures—
dtypes

Benchmark evidence

2 measurements across 1 GPU, fastest first.

Operation / workload
Hardware
Latency
Rank
Observed
NVIDIA H100
2.83ms±0.00
#2 of 2
2026-03-05
NVIDIA H100
5.05ms±0.01
#2 of 2
2026-03-05

Reported · How evidence levels are derived →

Source and license

sourceavailable
revision digestsha256:4cfdca16e94fe337e7e072231b95c80a7b351a0996274432fca47396e1fced48
license declaredMIT
license concludedMIT
imported2026-08-26

Kernel source

97_Matmul_BatchNorm_BiasAdd_Divide_Swish.py35 lines
import torch
import torch.nn as nn

class Model(nn.Module):
    """
    Model that performs a matrix multiplication, batch normalization, bias addition, division, and Swish activation.
    """
    def __init__(self, in_features, out_features, bn_eps=1e-5, bn_momentum=0.1, bias_shape=(1,), divide_value=1.0):
        super(Model, self).__init__()
        self.matmul = nn.Linear(in_features, out_features)
        self.bn = nn.BatchNorm1d(out_features, eps=bn_eps, momentum=bn_momentum)
        self.bias = nn.Parameter(torch.randn(bias_shape))
        self.divide_value = divide_value

    def forward(self, x):
        x = self.matmul(x)
        x = self.bn(x)
        x = x + self.bias
        x = x / self.divide_value
        x = x * torch.sigmoid(x)
        return x

batch_size = 1024
in_features = 8192
out_features = 8192
bn_eps = 1e-5
bn_momentum = 0.1
bias_shape = (1,)
divide_value = 1.0

def get_inputs():
    return [torch.rand(batch_size, in_features)]

def get_init_inputs():
    return [in_features, out_features, bn_eps, bn_momentum, bias_shape, divide_value]
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Source code from KernelBench, © 2023 Anne Ouyang, Simon Guo, Azalia Mirhoseini (Scaling Intelligence Lab, Stanford University), MIT License · MIT

Best evidence level for this revision: reported

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