Bruno Villasenor <br1villa...@gmail.com> writes: > I’m trying to compile the simplest code that uses dynamic parallelism using > the regular SorceModule, my code: > > ------------------------------------------------------------------------ > import numpy as np > import pycuda.driver as cuda > from pycuda.compiler import SourceModule > import pycuda.autoinit > > cudaCodeString = """ > __global__ void ChildKernel(void* data){ > //Operate on data > } > > __global__ void ParentKernel(void *data){ > if (threadIdx.x == 0) { > ChildKernel<<<1, 32>>>(data); > cudaThreadSynchronize(); > } > __syncthreads(); > //Operate on data > } > """ > cudaCode = SourceModule(cudaCodeString, options=['-rdc=true' ,'-lcudart' ], > arch='compute_35' ) > > ------------------------------------------------------------------------------- > > I get the next error: > --------------------------------------------------------------------------------- > pycuda.driver.CompileError: nvcc compilation of /tmp/tmpJJo9kU/kernel.cu > failed > [command: nvcc --cubin -rdc=true -lcudart -arch compute_35 -I/usr > /local/lib/python2.7/dist-packages/pycuda-2014.1-py2.7-linux-x86_64.egg/ > pycuda/cuda kernel.cu] > [stderr: > nvcc fatal : Option '--cubin (-cubin)' is not allowed when compiling for > a virtual compute architecture > > -----------------------------------------------------------------------------------
This came up before. Unfortunately, it requires a change to how PyCUDA compiles code, and that hasn't been done yet. I'd be happy to take patches though. Andreas
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