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c++ Programming Glossary: cudamemcpydevicetohostCuda version not working while serial working http://stackoverflow.com/questions/13630817/cuda-version-not-working-while-serial-working block_size a_d p_d N cudaMemcpy a_h a_d sizeof float N cudaMemcpyDeviceToHost cudaMemcpy p_h p_d sizeof Polygon N 2 cudaMemcpyDeviceToHost.. cudaMemcpy p_h p_d sizeof Polygon N 2 cudaMemcpyDeviceToHost for int i 0 i N 2 i printf f t f t u n a_h i p_h i .dummy p_h.. N cudaCheckErrors kernel cudaMemcpy a_h a_d sizeof float N cudaMemcpyDeviceToHost cudaCheckErrors cmcp2 cudaMemcpy p_h p_d sizeof Polygon N 2..
How to pass a C++ class with array of pointers to CUDA? http://stackoverflow.com/questions/14790999/how-to-pass-a-c-class-with-array-of-pointers-to-cuda 1 dev_v dev_result cudaMemcpy result dev_result sizeof int cudaMemcpyDeviceToHost printf the result is d n result The code passed nvcc compiler.. 1 dev_v dev_result cudaMemcpy result dev_result sizeof int cudaMemcpyDeviceToHost cudaCheckErrors cudaMemcpy4 fail printf the result is d n result..
http://stackoverflow.com/questions/15431365/cudamemcpy-segmentation-fault CurrentGrid cdata i Grid_dev cdata i size sizeof float cudaMemcpyDeviceToHost CurrentGrid and Grid_dev are pointer to a grid class object.. float ... ... cudaMemcpy A Grid_dev cdata i sizeof float cudaMemcpyDeviceToHost CurrentGrid cdata i new float size cudaMemcpy CurrentGrid cdata.. size cudaMemcpy CurrentGrid cdata i A size sizeof float cudaMemcpyDeviceToHost I did this because valgrind popped up invalid read of size..
How to separate CUDA code into multiple files http://stackoverflow.com/questions/2090974/how-to-separate-cuda-code-into-multiple-files 4 4 deviceArray cudaMemcpy hostArray deviceArray memSize cudaMemcpyDeviceToHost std cout After device n for int i 0 i arrayLength i std cout..
Can I call cuda function calls in C++? http://stackoverflow.com/questions/3811539/can-i-call-cuda-function-calls-in-c kernel blocks threads a b cudaMemcpy a d_1 sizeof int cudaMemcpyDeviceToHost cudaMemcpy b d_2 sizeof int cudaMemcpyDeviceToHost cudaFree..
Output of cuda program is not what was expected http://stackoverflow.com/questions/6561005/output-of-cuda-program-is-not-what-was-expected 10 sizeof char char x 6 cudaMemcpy x gpu 6 sizeof char cudaMemcpyDeviceToHost for i 0 i 6 i cudaMemcpy p x i 10 sizeof char cudaMemcpyDeviceToHost.. for i 0 i 6 i cudaMemcpy p x i 10 sizeof char cudaMemcpyDeviceToHost put synchronize here if problem printf s n p getchar return.. unsigned long h_x cudaMemcpy h_x d_x nObjects sizeof char cudaMemcpyDeviceToHost printf d_x lx n unsigned long d_x printf h_x lx n unsigned long..
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