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I'm trying to build a trivial application using Thrust/CUDA 4.0 and get lots of warnings "warning : Cannot tell what pointer points to, assuming global memory space" Has anyone else seen this and how do I either disable them or fix my code? Thanks, Ade Here's my code. Hello.h class DECLSPECIFIER Hello { private: thrust::device_vector<unsigned long> m_device_data; public: Hello(const thrust::host_vector<unsigned long>& data); unsigned long Sum(); unsigned long Max(); }; Hello.cu #include "Hello.h" Hello::Hello(const thrust::host_vector<unsigned long>& data) { m_device_data = data; } unsigned long Hello::Sum() { return thrust::reduce(m_device_data.cbegin(), m_device_data.cend(), 0, thrust::plus<unsigned long>()); } unsigned long Hello::Max() { return *thrust::max_element(m_device_data.cbegin(), m_device_data.cend(), thrust::less<unsigned long>()); } The output 1> Compiling CUDA source file Hello.cu... 1> 1> C:\SrcHg\blog\HelloWorld\HelloWorldCuda>"C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v4.0\bin\nvcc.exe" -gencode=arch=compute_10,code=\"sm_10,compute_10\" --use-local-env --cl-version 2008 -ccbin "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\bin" -I"C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v4.0\include" -G0 --keep-dir "Debug" -maxrregcount=32 --machine 32 --compile -D_NEXUS_DEBUG -g -Xcompiler "/EHsc /nologo /Od /Zi /MDd " -o "Debug\Hello.cu.obj" "C:\SrcHg\blog\HelloWorld\HelloWorldCuda\Hello.cu" 1> Hello.cu 1> tmpxft_00001fac_00000000-0_Hello.cudafe1.gpu 1> tmpxft_00001fac_00000000-5_Hello.cudafe2.gpu 1> Hello.cu 1>C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v4.0\include\thrust/detail/internal_functional.h(197): warning : Cannot tell what pointer points to, assuming global memory space 1&g

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