cuda - Appropriate usage of cudaGetSymbolAddress and cudaMemcpyToSymbol with global memory? -



cuda - Appropriate usage of cudaGetSymbolAddress and cudaMemcpyToSymbol with global memory? -

i new cuda , familiar normal usage of cudamalloc , cudamemcpy , cudamemcpytosymbol copying constant memory.

however, have been given code makes frequent utilize of cudagetsymboladdress , cudamemcpytosymbol re-create global memory , i'm not sure why have chosen instead of cudamalloc/cudamemcpy.

would able explain when advantageous , appropriate utilize cudagetsymboladdress , cudamemcpytosymbol?

thank you!

when global memory allocated dynamically using cudamalloc, right copying api utilize cudamemcpy.

when global memory allocated statically:

__device__ int my_data[dsize];

then right api utilize cudamemcpytosymbol or cudamemcpyfromsymbol

cuda

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