As I understand it, it would require changes in the ROCr Runtime and in
the firmware (MEC microcode). It also changes the programming model, so
it may affect certain applications or higher level language runtimes
that rely on atomic operations.

Regards,
  Felix


Am 19.12.2017 um 16:04 schrieb Tom Stellard:
> Hi,
>
> How hard of a requirement is PCIe3 atomics for dGPUs with the amdkfd
> kernel driver?  Is it possible to make modifications to the runtime/kernel
> driver to drop this requirement?
>
> -Tom
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