On 10/27/16 23:32, Haynal, Steve wrote: > Hi Laszlo, > > Thanks for the detailed response. I'm learning quite a bit. Patching > the kernel with an unaccepted patch is a little more bleeding edge > than I can be for this project. I did hack the driver to not depend > on /sys/bus/pci resource0 for mmap. I am now able to encode yuv video > to compressed VP9 on the FPGA from an emulated aarch64 guest! The > performance hit for the emulated aarch64 wasn't as bad as I thought > it would be. Depending on how I measure time, (portions of the test > are the same as they run on the same FPGA in emulated aarch64 or kvm > x86), the penalty is between 1.6X to 2.3X for the emulated aarch64 vs > kvm x86.
Great, thank you for reporting back about this! (And yes, QEMU's TCG is awesome. :)) Laszlo _______________________________________________ vfio-users mailing list vfio-users@redhat.com https://www.redhat.com/mailman/listinfo/vfio-users
