Hi Sam,
Which version of CUDA are you using? As mentioned in this SO answer
<https://stackoverflow.com/questions/38125310/nvcc-fatal-value-sm-61-is-not-defined-for-option-gpu-architecture-error-wi>,
it seems only CUDA >= 8.0 supports sm_61 architectures.
Nolan
On Wednesday, August 30, 2017 at 3:31:52 AM UTC-4, SAM WANG wrote:
>
>
>
>
>
> *Hi all,I currently install Pyfr 1.7.0 on ubuntu 16.04. The graphic card
> is GTX 1080 (8G CUSTKIT). Following are the errors I get, it seems like
> there is a key error in "pyfr/util.py" and "nvcc fatal : Value 'sm_61' is
> not defined for option 'gpu-architecture' ".*
>
> *Thank you in advance if anyone could help me out.*
>
> Traceback (most recent call last):
> File "/usr/local/lib/python3.6/site-packages/pyfr/util.py", line 33, in
> __call__
> res = cache[key]
> KeyError: (<function CUDAKernelProvider._build_kernel at 0x7f567046e488>,
> b'\x80\x03X\t\x00\x00\x00gimmik_mmq\x00X\xc4\x07\x00\x00\n__global__
> void\ngimmik_mm(int n,\n const double* __restrict__ b, int
> ldb,\n double* __restrict__ c, int ldc)\n{\n int i =
> blockDim.x*blockIdx.x + threadIdx.x;\n double dotp;\n\n if (i <
> n)\n {\n dotp = 1.4788305577012362*b[i + 0*ldb] +
> -0.6666666666666665*b[i + 3*ldb] + 0.18783610896543057*b[i +
> 6*ldb];\n c[i + 0*ldc] = dotp;\n dotp =
> 1.4788305577012362*b[i + 1*ldb] + -0.6666666666666665*b[i + 4*ldb] +
> 0.18783610896543057*b[i + 7*ldb];\n c[i + 1*ldc] = dotp;\n
> dotp = 1.4788305577012362*b[i + 2*ldb] + -0.6666666666666665*b[i + 5*ldb] +
> 0.18783610896543057*b[i + 8*ldb];\n c[i + 2*ldc] = dotp;\n
> dotp = 0.18783610896543057*b[i + 0*ldb] + -0.6666666666666665*b[i + 1*ldb]
> + 1.4788305577012362*b[i + 2*ldb];\n c[i + 3*ldc] = dotp;\n
> dotp = 0.18783610896543057*b[i + 3*ldb] + -0.6666666666666665*b[i + 4*ldb]
> + 1.4788305577012362*b[i + 5*ldb];\n c[i + 4*ldc] = dotp;\n
> dotp = 0.18783610896543057*b[i + 6*ldb] + -0.6666666666666665*b[i + 7*ldb]
> + 1.4788305577012362*b[i + 8*ldb];\n c[i + 5*ldc] = dotp;\n
> dotp = 0.18783610896543057*b[i + 0*ldb] + -0.6666666666666665*b[i + 3*ldb]
> + 1.4788305577012362*b[i + 6*ldb];\n c[i + 6*ldc] = dotp;\n
> dotp = 0.18783610896543057*b[i + 1*ldb] + -0.6666666666666665*b[i + 4*ldb]
> + 1.4788305577012362*b[i + 7*ldb];\n c[i + 7*ldc] = dotp;\n
> dotp = 0.18783610896543057*b[i + 2*ldb] + -0.6666666666666665*b[i + 5*ldb]
> + 1.4788305577012362*b[i + 8*ldb];\n c[i + 8*ldc] = dotp;\n
> dotp = 1.4788305577012362*b[i + 0*ldb] + -0.6666666666666665*b[i + 1*ldb] +
> 0.18783610896543057*b[i + 2*ldb];\n c[i + 9*ldc] = dotp;\n
> dotp = 1.4788305577012362*b[i + 3*ldb] + -0.6666666666666665*b[i + 4*ldb] +
> 0.18783610896543057*b[i + 5*ldb];\n c[i + 10*ldc] = dotp;\n
> dotp = 1.4788305577012362*b[i + 6*ldb] + -0.6666666666666665*b[i + 7*ldb] +
> 0.18783610896543057*b[i + 8*ldb];\n c[i + 11*ldc] = dotp;\n
> }\n}\nq\x01X\x05\x00\x00\x00iPiPiq\x02\x87q\x03.', b'\x80\x03}q\x00.')
>
> During handling of the above exception, another exception occurred:
>
> Traceback (most recent call last):
> File "/usr/local/bin/pyfr", line 11, in <module>
> sys.exit(main())
> File "/usr/local/lib/python3.6/site-packages/pyfr/__main__.py", line
> 110, in main
> args.process(args)
> File "/usr/local/lib/python3.6/site-packages/pyfr/__main__.py", line
> 235, in process_run
> args, NativeReader(args.mesh), None, Inifile.load(args.cfg)
> File "/usr/local/lib/python3.6/site-packages/pyfr/__main__.py", line
> 216, in _process_common
> solver = get_solver(backend, rallocs, mesh, soln, cfg)
> File "/usr/local/lib/python3.6/site-packages/pyfr/solvers/__init__.py",
> line 16, in get_solver
> return get_integrator(backend, systemcls, rallocs, mesh, initsoln, cfg)
> File
> "/usr/local/lib/python3.6/site-packages/pyfr/integrators/__init__.py", line
> 46, in get_integrator
> return integrator(backend, systemcls, rallocs, mesh, initsoln, cfg)
> File
> "/usr/local/lib/python3.6/site-packages/pyfr/integrators/std/controllers.py",
> line 14, in __init__
> super().__init__(*args, **kwargs)
> File
> "/usr/local/lib/python3.6/site-packages/pyfr/integrators/std/steppers.py",
> line 8, in __init__
> super().__init__(*args, **kwargs)
> File
> "/usr/local/lib/python3.6/site-packages/pyfr/integrators/std/base.py", line
> 10, in __init__
> super().__init__(*args, **kwargs)
> File "/usr/local/lib/python3.6/site-packages/pyfr/integrators/base.py",
> line 58, in __init__
> self._init_system(systemcls, backend, rallocs, mesh, initsoln)
> File "/usr/local/lib/python3.6/site-packages/pyfr/integrators/base.py",
> line 88, in _init_system
> self.system = systemcls(*args, nreg=self.nreg, cfg=self.cfg)
> File
> "/usr/local/lib/python3.6/site-packages/pyfr/solvers/base/system.py", line
> 65, in __init__
> self._gen_kernels(eles, int_inters, mpi_inters, bc_inters)
> File
> "/usr/local/lib/python3.6/site-packages/pyfr/solvers/base/system.py", line
> 174, in _gen_kernels
> kernels[pn, kn].append(kgetter())
> File
> "/usr/local/lib/python3.6/site-packages/pyfr/solvers/baseadvec/elements.py",
> line 57, in <lambda>
> out=self._scal_fpts
> File
> "/usr/local/lib/python3.6/site-packages/pyfr/backends/base/backend.py",
> line 166, in kernel
> return kern(*args, **kwargs)
> File
> "/usr/local/lib/python3.6/site-packages/pyfr/backends/cuda/gimmik.py", line
> 36, in mul
> fun = self._build_kernel('gimmik_mm', src, 'iPiPi')
> File "/usr/local/lib/python3.6/site-packages/pyfr/util.py", line 35, in
> __call__
> res = cache[key] = self.func(*args, **kwargs)
> File
> "/usr/local/lib/python3.6/site-packages/pyfr/backends/cuda/provider.py",
> line 20, in _build_kernel
> fun = compiler.SourceModule(src).get_function(name)
> File "/usr/local/lib/python3.6/site-packages/pycuda/compiler.py", line
> 291, in __init__
> arch, code, cache_dir, include_dirs)
> File "/usr/local/lib/python3.6/site-packages/pycuda/compiler.py", line
> 255, in compile
> return compile_plain(source, options, keep, nvcc, cache_dir, target)
> File "/usr/local/lib/python3.6/site-packages/pycuda/compiler.py", line
> 137, in compile_plain
> stderr=stderr.decode("utf-8", "replace"))
> pycuda.driver.CompileError: nvcc compilation of /tmp/tmp8yfregj9/kernel.cu
> failed
> [command: nvcc --cubin -arch sm_61
> -I/usr/local/lib/python3.6/site-packages/pycuda/cuda kernel.cu]
> [stderr:
> nvcc fatal : Value 'sm_61' is not defined for option 'gpu-architecture'
> ]
>
> Cheers,
> Sam
>
>
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