The CUDA version is 12.0, and running dfloat11 will result in an error.

[Fu-Fu-Fu-Fu]

_decode = cp.RawModule(path=ptx_path).get_function('decode')
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "cupy/_core/raw.pyx", line 487, in cupy._core.raw.RawModule.get_function
File "cupy/_core/raw.pyx", line 100, in cupy._core.raw.RawKernel.kernel.get
File "cupy/_core/raw.pyx", line 117, in cupy._core.raw.RawKernel._kernel
File "cupy/_util.pyx", line 64, in cupy._util.memoize.decorator.ret
File "cupy/_core/raw.pyx", line 546, in cupy._core.raw._get_raw_module
File "cupy/cuda/function.pyx", line 261, in cupy.cuda.function.Module.load_file
File "cupy_backends/cuda/api/driver.pyx", line 216, in cupy_backends.cuda.api.driver.moduleLoad
File "cupy_backends/cuda/api/driver.pyx", line 63, in cupy_backends.cuda.api.driver.check_status
cupy_backends.cuda.api.driver.CUDADriverError: CUDA_ERROR_UNSUPPORTED_PTX_VERSION: the provided PTX was compiled with an unsupported toolchain.

nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2023 NVIDIA Corporation
Built on Mon_Apr__3_17:16:06_PDT_2023
Cuda compilation tools, release 12.1, V12.1.105
Build cuda_12.1.r12.1/compiler.32688072_0

May I ask what is going on here, and is there any way to resolve it?

[AUTOMATIC2222]

same error.

my environment is cu121, torch251, rtx3090

[AUTOMATIC2222]

@tonyzhang617

[mingyi456]

@AUTOMATIC2222 From what I heard, this error is due to an outdated cuda version. Do try updating cuda if possible and see if it works.