Suppress Thrust warnings

Created by: masterleinad

With the latest changes using Thrust we get a bunch of compiler warnings about function calls that have no effect. We should have a look if we can avoid or suppress them. They look like

/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/core/agent_launcher.h(557): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/core/agent_launcher.h(571): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_scan.cuh(453): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_scan.cuh(482): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_select_if.cuh(417): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_select_if.cuh(453): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_reduce.cuh(532): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_reduce_by_key.cuh(428): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_reduce_by_key.cuh(462): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_radix_sort.cuh(904): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_radix_sort.cuh(982): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/core/agent_launcher.h(557): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/core/agent_launcher.h(571): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_scan.cuh(453): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_scan.cuh(482): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_select_if.cuh(417): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_select_if.cuh(453): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_reduce.cuh(532): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_reduce_by_key.cuh(428): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_reduce_by_key.cuh(462): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_radix_sort.cuh(904): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_radix_sort.cuh(982): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/core/agent_launcher.h(557): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/core/agent_launcher.h(571): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_scan.cuh(453): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_scan.cuh(482): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_select_if.cuh(417): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_select_if.cuh(453): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_reduce.cuh(532): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_reduce_by_key.cuh(428): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_reduce_by_key.cuh(462): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_radix_sort.cuh(904): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_radix_sort.cuh(982): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/core/agent_launcher.h(557): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/core/agent_launcher.h(571): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_scan.cuh(453): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_scan.cuh(482): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_select_if.cuh(417): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_select_if.cuh(453): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_reduce.cuh(532): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_reduce_by_key.cuh(428): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_reduce_by_key.cuh(462): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_radix_sort.cuh(904): warning: expression has no effect
/usr/local/cuda/bin/../targets/x86_64-linux/include/thrust/system/cuda/detail/cub/device/dispatch/dispatch_radix_sort.cuh(982): warning: expression has no effect