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[NDTensorscuTENSORExt] [BUG] cuTENSOR extension and block sparse contraction #1451

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mtfishman opened this issue May 17, 2024 · 2 comments
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[NDTensorscuTENSORExt] [BUG] cuTENSOR extension and block sparse contraction #1451

mtfishman opened this issue May 17, 2024 · 2 comments
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@kmp5VT
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bug Something isn't working NDTensors Requires changes to the NDTensors.jl library.

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@mtfishman
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@kmp5VT reported that block sparse contraction fails when the cuTENSOR extension is enabled (while it works if just the CUDA extension is enabled), likely due to some issue passing views of CuArrays to cuTENSOR. This is a reminder to investigate that issue and maybe make an issue report to CUDA.jl about it.
@mtfishman mtfishman added bug Something isn't working NDTensors Requires changes to the NDTensors.jl library. labels May 17, 2024
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kmp5VT commented Jun 5, 2024

I have reported the issue in cuTENSOR to CUDA.jl JuliaGPU/CUDA.jl#2407

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#1485 implemented a temporary fix which runs but has some extraneous copying which we will be able to remove once JuliaGPU/CUDA.jl#2407 is fixed.

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bug Something isn't working NDTensors Requires changes to the NDTensors.jl library.
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