Skip to content
KernelIndex
Search⌘K

PyTorch eager

PyTorch · python · MIT

Use it

Vendorable · source mirrored · MITView source →

No package. Vendor the mirrored source: 39 lines, MIT.

49_Max_reduction_over_a_dimension.py
curl "https://kernelindex.com/api/v1/implementations/kernelbench-l1-49-max-reduction-over-a-dimension-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
Max reduction over a dimensionfp32 · [128, 4096, 4095]
NVIDIA H100
3.14ms±0.00
#1 of 2
2026-03-05
Max reduction over a dimensionfp32 · [128, 4096, 4095]
NVIDIA H100
4.75ms±0.00
#1 of 2
2026-03-05

Reported · How evidence levels are derived →

Source and license

sourceavailable
revision digestsha256:9169b7e8cb788320695a16fe07bc4239cd218696eace6ca85589a191462f98e0
license declaredMIT
license concludedMIT
imported2026-08-26

Kernel source

49_Max_reduction_over_a_dimension.py39 lines
import torch
import torch.nn as nn

class Model(nn.Module):
    """
    Simple model that performs Max reduction over a specific dimension.
    """
    def __init__(self, dim: int):
        """
        Initializes the model with the dimension to reduce over.

        Args:
            dim (int): The dimension to reduce over.
        """
        super(Model, self).__init__()
        self.dim = dim

    def forward(self, x: torch.Tensor) -> torch.Tensor:
        """
        Applies Max reduction over the specified dimension to the input tensor.

        Args:
            x (torch.Tensor): Input tensor.

        Returns:
            torch.Tensor: Output tensor after Max reduction over the specified dimension.
        """
        return torch.max(x, dim=self.dim)[0]

batch_size = 128
dim1 = 4096
dim2 = 4095

def get_inputs():
    x = torch.rand(batch_size, dim1, dim2)
    return [x]

def get_init_inputs():
    return [1] # Example, change to desired dimension
scrolls · 39 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

JSON