Skip to content

[Question][Jagged Tensor] Is there concat ops for jagged tensor? #3343

Open
@JacoCheung

Description

@JacoCheung

Hi experts, I would like to know is there a way to concat 2 jagged tensors along the sparse dim?
For example

j1 = jagged_tensor.JaggedTensor(
    values=torch.tensor([1, 2, 3, 4]), lengths=torch.tensor([3, 1])
)

j2 = jagged_tensor.JaggedTensor(
    values=torch.tensor([5, 6, 7]), lengths=torch.tensor([2, 1])
)

j3 = torch.ops.fbgemm.jagged_concat(j1, j2) # the concat op
# expected result:
expected = jagged_tensor.JaggedTensor(
    values=torch.tensor([1, 2, 3, 5, 6, 4, 7]), lengths=torch.tensor([5, 2])
)

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions