ggml-cuda: Adding support for unified memory (#8035)
* Adding support for unified memory
* adding again the documentation about unified memory
* refactoring: Moved the unified memory code in the correct location.
* Fixed compilation error when using hipblas
* cleaning up the documentation
* Updating the documentation
Co-authored-by: Johannes Gäßler <[email protected]>
* adding one more case where the PR should not be enabled
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Co-authored-by: matteo serva <[email protected]>
Co-authored-by: Johannes Gäßler <[email protected]>
