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PyTorch · python · MIT

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No package. Vendor the mirrored source: 34 lines, MIT.

8_Matmul_with_irregular_shapes_.py
curl "https://kernelindex.com/api/v1/implementations/kernelbench-l1-8-matmul-with-irregular-shapes-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
Matmul with irregular shapesfp32 · [8205, 2949]
NVIDIA H100
6.38ms±0.00
#1 of 2
2026-03-05
Matmul with irregular shapesfp32 · [8205, 2949]
NVIDIA H100
7.69ms±0.01
#1 of 2
2026-03-05

Reported · How evidence levels are derived →

Source and license

sourceavailable
revision digestsha256:47202b5c0c153010d9882c542ae2d900a6e195641fc0d9eb50622de23ca624f6
license declaredMIT
license concludedMIT
imported2026-08-26

Kernel source

8_Matmul_with_irregular_shapes_.py34 lines
import torch
import torch.nn as nn

class Model(nn.Module):
    """
    Simple model that performs a single matrix multiplication (C = A * B) with irregular shapes
    """
    def __init__(self):
        super(Model, self).__init__()
    
    def forward(self, A: torch.Tensor, B: torch.Tensor) -> torch.Tensor:
        """
        Performs matrix multiplication of A and B.

        Args:
            A: Input tensor with shape (M, K).
            B: Input tensor with shape (K, N).

        Returns:
            C: Output tensor with shape (M, N).
        """
        return torch.matmul(A, B)

M = 8205
K = 2949
N = 5921

def get_inputs():
    A = torch.rand(M, K)
    B = torch.rand(K, N)
    return [A, B]

def get_init_inputs():
    return []  # No special initialization inputs needed
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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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