Skip to content
KernelIndex
Search⌘K

torch.compile (inductor)

PyTorch · python · MIT

Use it

Vendorable · source mirrored · MITView source →

No package. Vendor the mirrored source: 46 lines, MIT.

36_RMSNorm_.py
curl "https://kernelindex.com/api/v1/implementations/kernelbench-l1-36-rmsnorm-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
RMSNormfp32 · [112, 64, 512, 512]
NVIDIA H100
7.84ms±0.01
#1 of 2
2026-03-05
RMSNormfp32 · [112, 64, 512, 512]
NVIDIA H100
12.3ms±0.00
#1 of 2
2026-03-05

Reported · How evidence levels are derived →

Source and license

sourceavailable
revision digestsha256:ab1dc55d7a84626121d5f71aad7b6bcefc983ef5c440349367820ac2ea9e667e
license declaredMIT
license concludedMIT
imported2026-08-26

Kernel source

36_RMSNorm_.py46 lines
import torch
import torch.nn as nn

class Model(nn.Module):
    """
    Simple model that performs RMS Normalization.
    """
    def __init__(self, num_features: int, eps: float = 1e-5):
        """
        Initializes the RMSNorm layer.

        Args:
            num_features (int): Number of features in the input tensor.
            eps (float, optional): A small value added to the denominator to avoid division by zero. Defaults to 1e-5.
        """
        super(Model, self).__init__()
        self.num_features = num_features
        self.eps = eps

    def forward(self, x: torch.Tensor) -> torch.Tensor:
        """
        Applies RMS Normalization to the input tensor.

        Args:
            x (torch.Tensor): Input tensor of shape (batch_size, num_features, *).

        Returns:
            torch.Tensor: Output tensor with RMS Normalization applied, same shape as input.
        """
        # Calculate the RMS along the feature dimension
        rms = torch.sqrt(torch.mean(x ** 2, dim=1, keepdim=True) + self.eps)

        # Normalize the input by dividing by the RMS
        return x / rms

batch_size = 112
features = 64
dim1 = 512
dim2 = 512

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

def get_init_inputs():
    return [features]
scrolls · 46 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