Translations:OpenACC Tutorial - Adding directives/50/en: Difference between revisions

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The NVidia compilers use the <code>-acc</code> (target accelerator) option to enable compilation for an accelerator.
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.
We will remove this option in a later example.
We also use the option <code>-fast</code>, which is an optimization option.

The NVidia compilers use the -ta (target accelerator) option to enable compilation for an accelerator. We use the sub-option tesla:managed, to tell the compiler that we want it compiled for Tesla GPUs, and we want to use managed memory. Managed memory simplifies the process of transferring data to and from the device. We will remove this option in a later example. We also use the option -fast, which is an optimization option.

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