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OpenACC Tutorial - Adding directives: Difference between revisions
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The NVidia compilers use the <code>- | The NVidia compilers use the <code>-acc</code> (target accelerator) option to enable compilation for an accelerator. | ||
We use the sub-option <code> | We use the sub-option <code>-gpu=managed</code> to tell the compiler that we want to use [https://developer.nvidia.com/blog/unified-memory-cuda-beginners/ managed memory]. | ||
This ''managed memory'' simplifies the process of transferring data to and from the device. | This ''managed memory'' simplifies the process of transferring data to and from the device. | ||
We will remove this option in a later example. | We will remove this option in a later example. | ||
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{{Command | {{Command | ||
|nvc++ -fast -Minfo{{=}}accel - | |nvc++ -fast -Minfo{{=}}accel -acc -gpu=managed main.cpp -o challenge | ||
|result= | |result= | ||
... | ... | ||