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torch.compile (inductor)

PyTorch · python · MIT

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No package. Vendor the mirrored source: 38 lines, MIT.

55_Matmul_MaxPool_Sum_Scale.py
curl "https://kernelindex.com/api/v1/implementations/kernelbench-l2-55-matmul-maxpool-sum-scale-torch-compile-inductor?include=source"
interfacepython · torch_compile_inductor
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
Matmul MaxPool Sum Scalefp32 · [128, 32768]
NVIDIA H100
5.33ms±0.00
#2 of 2
2026-03-05
Matmul MaxPool Sum Scalefp32 · [128, 32768]
NVIDIA H100
10.7ms±0.09
#1 of 2
2026-03-05

Reported · How evidence levels are derived →

Source and license

sourceavailable
revision digestsha256:df478a906e1f9daf2775b82dea97510a03e6e824fe74c4845a11e2fd6b20a32f
license declaredMIT
license concludedMIT
imported2026-08-26

Kernel source

55_Matmul_MaxPool_Sum_Scale.py38 lines
import torch
import torch.nn as nn

class Model(nn.Module):
    """
    Model that performs matrix multiplication, max pooling, sum, and scaling.
    """
    def __init__(self, in_features, out_features, kernel_size, scale_factor):
        super(Model, self).__init__()
        self.matmul = nn.Linear(in_features, out_features)
        self.max_pool = nn.MaxPool1d(kernel_size)
        self.scale_factor = scale_factor

    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 = self.max_pool(x.unsqueeze(1)).squeeze(1)
        x = torch.sum(x, dim=1)
        x = x * self.scale_factor
        return x

batch_size = 128
in_features = 32768
out_features = 32768
kernel_size = 2
scale_factor = 0.5

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

def get_init_inputs():
    return [in_features, out_features, kernel_size, scale_factor]
scrolls · 38 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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