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PyTorch eager

PyTorch · python · MIT

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No package. Vendor the mirrored source: 29 lines, MIT.

52_Conv2d_Activation_BatchNorm.py
curl "https://kernelindex.com/api/v1/implementations/kernelbench-l2-52-conv2d-activation-batchnorm-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
Conv2d Activation BatchNormfp32 · [64, 64, 128, 128]
NVIDIA H100
3.73ms±0.35
#2 of 2
2026-03-05
Conv2d Activation BatchNormfp32 · [64, 64, 128, 128]
NVIDIA H100
5.46ms±0.00
#2 of 2
2026-03-05

Reported · How evidence levels are derived →

Source and license

sourceavailable
revision digestsha256:b7fa20b0c9a33983c21b0fa233f44879b12b24a10171414e1ee1016738dd3861
license declaredMIT
license concludedMIT
imported2026-08-26

Kernel source

52_Conv2d_Activation_BatchNorm.py29 lines
import torch
import torch.nn as nn

class Model(nn.Module):
    """
    Simple model that performs a convolution, applies activation, and then applies Batch Normalization.
    """
    def __init__(self, in_channels, out_channels, kernel_size, eps=1e-5, momentum=0.1):
        super(Model, self).__init__()
        self.conv = nn.Conv2d(in_channels, out_channels, kernel_size)
        self.bn = nn.BatchNorm2d(out_channels, eps=eps, momentum=momentum)

    def forward(self, x):
        x = self.conv(x)
        x = torch.multiply(torch.tanh(torch.nn.functional.softplus(x)), x)
        x = self.bn(x)
        return x

batch_size = 64
in_channels = 64
out_channels = 128
height, width = 128, 128
kernel_size = 3

def get_inputs():
    return [torch.rand(batch_size, in_channels, height, width)]

def get_init_inputs():
    return [in_channels, out_channels, kernel_size]
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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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