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No package. Vendor the mirrored source: 37 lines, MIT.
37_Matmul_Swish_Sum_GroupNorm.py
curl "https://kernelindex.com/api/v1/implementations/kernelbench-l2-37-matmul-swish-sum-groupnorm-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
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Reported · How evidence levels are derived →
Source and license
sourceavailable
revision digestsha256:6d2d2d275877a17ebabae820f75a6f1add317cdd434b239d2ca219b9071531d6
license declaredMIT
license concludedMIT
imported2026-08-26
Kernel source
37_Matmul_Swish_Sum_GroupNorm.py37 lines
import torch
import torch.nn as nn
class Model(nn.Module):
"""
A model that performs a matrix multiplication, applies Swish activation, sums with a bias term, and normalizes with GroupNorm.
"""
def __init__(self, in_features, out_features, num_groups, bias_shape):
super(Model, self).__init__()
self.matmul = nn.Linear(in_features, out_features)
self.bias = nn.Parameter(torch.randn(bias_shape))
self.group_norm = nn.GroupNorm(num_groups, out_features)
def forward(self, x):
"""
Args:
x (torch.Tensor): Input tensor of shape (batch_size, in_features).
Returns:
torch.Tensor: Output tensor of shape (batch_size, out_features).
"""
x = self.matmul(x)
x = torch.sigmoid(x) * x # Swish activation
x = x + self.bias
x = self.group_norm(x)
return x
batch_size = 32768
in_features = 1024
out_features = 4096
num_groups = 64
bias_shape = (out_features,)
def get_inputs():
return [torch.rand(batch_size, in_features)]
def get_init_inputs():
return [in_features, out_features, num_groups, bias_shape]scrolls · 37 lines total
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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