#### 2.2 Install GDRCopy and load the gdrdrv kernel module
#### 2.2 Install GDRCopy and load the gdrdrv kernel module
This configuration enables IBGDA through asynchronous post-send operations assisted by the CPU.
This configuration enables IBGDA through asynchronous post-send operations assisted by the CPU. More information about CPU-assisted IBGDA can be found in [this blog](https://developer.nvidia.com/blog/enhancing-application-portability-and-compatibility-across-new-platforms-using-nvidia-magnum-io-nvshmem-3-0/#cpu-assisted_infiniband_gpu_direct_async%C2%A0).
It comes with a small performance penalty, but can be used when modifying the driver regkeys is not an option.
It comes with a small performance penalty, but can be used when modifying the driver regkeys is not an option.
Seth Howell <sethh@nvidia.com>