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[BUG] Composition between `Tensor` and `Layout` as shown in `03_tensor.md` does not compile
Describe the bug
I tried to compile and run this code which I copied directly from 03_tensor.md
auto tv_layout = Layout<Shape <Shape <_2,_4>,Shape <_2, _2>>,
Stride<Stride<_8,_1>,Stride<_4,_16>>{}; // (8,4)
// Construct a 4x8 tensor with any layout
Tensor A = make_tensor<float>(Shape<_4,_8>{}, LayoutRight{}); // (4,8)
// Compose A with the tv_layout to transform its shape and order
Tensor tv = composition(A, tv_layout);
it fails to compile because there is no implementation of composition
which takes a Tensor
and a Layout
. Is the documentation wrong? or has this feature not been implemented yet
Steps/Code to reproduce bug try to build the above code
Expected behavior the code compiles
Environment details (please complete the following information):
nvcr.io/nvidia/cuda:12.3.1-devel-ubuntu20.04
image
Additional context
This was brought up here https://github.com/NVIDIA/cutlass/pull/1486
That function is useful for examples and documentation, but never actually needed in practice. :-)
It will be included in our next update.
In the meantime, you can use tensor.compose(tiler)
to accomplish the same thing.
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