Skip to content
KernelIndex
Search⌘K

PyTorch eager

PyTorch · python · MIT

Use it

Vendorable · source mirrored · MITView source →

No package. Vendor the mirrored source: 41 lines, MIT.

18_Matmul_Sum_Max_AvgPool_LogSumExp_LogSumExp.py
curl "https://kernelindex.com/api/v1/implementations/kernelbench-l2-18-matmul-sum-max-avgpool-logsumexp-logsumexp-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
2.77ms±0.00
#2 of 2
2026-03-05
NVIDIA H100
4.80ms±0.01
#2 of 2
2026-03-05

Reported · How evidence levels are derived →

Source and license

sourceavailable
revision digestsha256:75651d3efc316e925b5e628846e23b7b0867c1f2986a996191e861250d705791
license declaredMIT
license concludedMIT
imported2026-08-26

Kernel source

18_Matmul_Sum_Max_AvgPool_LogSumExp_LogSumExp.py41 lines
import torch
import torch.nn as nn

class Model(nn.Module):
    """
    Model that performs a sequence of operations:
        - Matrix multiplication
        - Summation
        - Max
        - Average pooling
        - LogSumExp
        - LogSumExp
    """
    def __init__(self, in_features, out_features):
        super(Model, self).__init__()
        self.linear = nn.Linear(in_features, 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, 1).
        """
        x = self.linear(x)  # (batch_size, out_features)
        x = torch.sum(x, dim=1, keepdim=True) # (batch_size, 1)
        x = torch.max(x, dim=1, keepdim=True)[0] # (batch_size, 1)
        x = torch.mean(x, dim=1, keepdim=True) # (batch_size, 1)
        x = torch.logsumexp(x, dim=1, keepdim=True) # (batch_size, 1)
        x = torch.logsumexp(x, dim=1, keepdim=True) # (batch_size, 1)
        return x

batch_size = 1024
in_features  = 8192  
out_features = 8192

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

def get_init_inputs():
    return [in_features, out_features]
scrolls · 41 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