diff --git a/vtkm/cont/cuda/internal/CMakeLists.txt b/vtkm/cont/cuda/internal/CMakeLists.txt
index 5488c0231..198597846 100644
--- a/vtkm/cont/cuda/internal/CMakeLists.txt
+++ b/vtkm/cont/cuda/internal/CMakeLists.txt
@@ -23,6 +23,7 @@ set(headers
   CudaAllocator.h
   DeviceAdapterAlgorithmCuda.h
   DeviceAdapterAlgorithmThrust.h
+  DeviceAdapterAtomicArrayImplementationCuda.h
   DeviceAdapterRuntimeDetectorCuda.h
   DeviceAdapterTagCuda.h
   DeviceAdapterTimerImplementationCuda.h
diff --git a/vtkm/cont/cuda/internal/DeviceAdapterAlgorithmCuda.h b/vtkm/cont/cuda/internal/DeviceAdapterAlgorithmCuda.h
index e505fca97..e65cff4e3 100644
--- a/vtkm/cont/cuda/internal/DeviceAdapterAlgorithmCuda.h
+++ b/vtkm/cont/cuda/internal/DeviceAdapterAlgorithmCuda.h
@@ -56,66 +56,6 @@ struct DeviceAdapterAlgorithm<vtkm::cont::DeviceAdapterTagCuda>
   }
 };
 
-/// CUDA contains its own atomic operations
-///
-template <typename T>
-class DeviceAdapterAtomicArrayImplementation<T, vtkm::cont::DeviceAdapterTagCuda>
-{
-public:
-  VTKM_CONT
-  DeviceAdapterAtomicArrayImplementation(
-    vtkm::cont::ArrayHandle<T, vtkm::cont::StorageTagBasic> handle)
-    : Portal(handle.PrepareForInPlace(vtkm::cont::DeviceAdapterTagCuda()))
-  {
-  }
-
-  inline __device__ T Add(vtkm::Id index, const T& value) const
-  {
-    T* lockedValue = ::thrust::raw_pointer_cast(this->Portal.GetIteratorBegin() + index);
-    return vtkmAtomicAdd(lockedValue, value);
-  }
-
-  inline __device__ T CompareAndSwap(vtkm::Id index,
-                                     const vtkm::Int64& newValue,
-                                     const vtkm::Int64& oldValue) const
-  {
-    T* lockedValue = ::thrust::raw_pointer_cast(this->Portal.GetIteratorBegin() + index);
-    return vtkmCompareAndSwap(lockedValue, newValue, oldValue);
-  }
-
-private:
-  using PortalType =
-    typename vtkm::cont::ArrayHandle<T, vtkm::cont::StorageTagBasic>::template ExecutionTypes<
-      vtkm::cont::DeviceAdapterTagCuda>::Portal;
-  PortalType Portal;
-
-  inline __device__ vtkm::Int64 vtkmAtomicAdd(vtkm::Int64* address, const vtkm::Int64& value) const
-  {
-    return atomicAdd((unsigned long long*)address, (unsigned long long)value);
-  }
-
-  inline __device__ vtkm::Int32 vtkmAtomicAdd(vtkm::Int32* address, const vtkm::Int32& value) const
-  {
-    return atomicAdd(address, value);
-  }
-
-  inline __device__ vtkm::Int32 vtkmCompareAndSwap(vtkm::Int32* address,
-                                                   const vtkm::Int32& newValue,
-                                                   const vtkm::Int32& oldValue) const
-  {
-    return atomicCAS(address, oldValue, newValue);
-  }
-
-  inline __device__ vtkm::Int64 vtkmCompareAndSwap(vtkm::Int64* address,
-                                                   const vtkm::Int64& newValue,
-                                                   const vtkm::Int64& oldValue) const
-  {
-    return atomicCAS((unsigned long long int*)address,
-                     (unsigned long long int)oldValue,
-                     (unsigned long long int)newValue);
-  }
-};
-
 template <>
 class DeviceTaskTypes<vtkm::cont::DeviceAdapterTagCuda>
 {
diff --git a/vtkm/cont/cuda/internal/DeviceAdapterAlgorithmThrust.h b/vtkm/cont/cuda/internal/DeviceAdapterAlgorithmThrust.h
index d80e428f3..c8057c2ce 100644
--- a/vtkm/cont/cuda/internal/DeviceAdapterAlgorithmThrust.h
+++ b/vtkm/cont/cuda/internal/DeviceAdapterAlgorithmThrust.h
@@ -32,6 +32,7 @@
 
 #include <vtkm/cont/cuda/ErrorCuda.h>
 
+#include <vtkm/cont/cuda/internal/DeviceAdapterAtomicArrayImplementationCuda.h>
 #include <vtkm/cont/cuda/internal/DeviceAdapterTagCuda.h>
 #include <vtkm/cont/cuda/internal/MakeThrustIterator.h>
 #include <vtkm/cont/cuda/internal/ThrustExceptionHandler.h>
diff --git a/vtkm/cont/cuda/internal/DeviceAdapterAtomicArrayImplementationCuda.h b/vtkm/cont/cuda/internal/DeviceAdapterAtomicArrayImplementationCuda.h
new file mode 100644
index 000000000..289f21b10
--- /dev/null
+++ b/vtkm/cont/cuda/internal/DeviceAdapterAtomicArrayImplementationCuda.h
@@ -0,0 +1,104 @@
+//============================================================================
+//  Copyright (c) Kitware, Inc.
+//  All rights reserved.
+//  See LICENSE.txt for details.
+//  This software is distributed WITHOUT ANY WARRANTY; without even
+//  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+//  PURPOSE.  See the above copyright notice for more information.
+//
+//  Copyright 2018 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
+//  Copyright 2018 UT-Battelle, LLC.
+//  Copyright 2018 Los Alamos National Security.
+//
+//  Under the terms of Contract DE-NA0003525 with NTESS,
+//  the U.S. Government retains certain rights in this software.
+//
+//  Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
+//  Laboratory (LANL), the U.S. Government retains certain rights in
+//  this software.
+//============================================================================
+
+#ifndef vtk_m_cont_internal_DeviceAdapterAtomicArrayImplementationCuda_h
+#define vtk_m_cont_internal_DeviceAdapterAtomicArrayImplementationCuda_h
+
+#include <vtkm/Types.h>
+
+#include <vtkm/cont/ArrayHandle.h>
+#include <vtkm/cont/DeviceAdapterAlgorithm.h>
+#include <vtkm/cont/StorageBasic.h>
+
+#include <vtkm/cont/cuda/internal/DeviceAdapterTagCuda.h>
+
+// Disable warnings we check vtkm for but Thrust does not.
+VTKM_THIRDPARTY_PRE_INCLUDE
+#include <thrust/device_ptr.h>
+VTKM_THIRDPARTY_POST_INCLUDE
+
+namespace vtkm
+{
+namespace cont
+{
+
+/// CUDA contains its own atomic operations
+///
+template <typename T>
+class DeviceAdapterAtomicArrayImplementation<T, vtkm::cont::DeviceAdapterTagCuda>
+{
+public:
+  VTKM_CONT
+  DeviceAdapterAtomicArrayImplementation(
+    vtkm::cont::ArrayHandle<T, vtkm::cont::StorageTagBasic> handle)
+    : Portal(handle.PrepareForInPlace(vtkm::cont::DeviceAdapterTagCuda()))
+  {
+  }
+
+  VTKM_EXEC T Add(vtkm::Id index, const T& value) const
+  {
+    T* lockedValue = ::thrust::raw_pointer_cast(this->Portal.GetIteratorBegin() + index);
+    return this->vtkmAtomicAdd(lockedValue, value);
+  }
+
+  VTKM_EXEC T CompareAndSwap(vtkm::Id index,
+                             const vtkm::Int64& newValue,
+                             const vtkm::Int64& oldValue) const
+  {
+    T* lockedValue = ::thrust::raw_pointer_cast(this->Portal.GetIteratorBegin() + index);
+    return this->vtkmCompareAndSwap(lockedValue, newValue, oldValue);
+  }
+
+private:
+  using PortalType =
+    typename vtkm::cont::ArrayHandle<T, vtkm::cont::StorageTagBasic>::template ExecutionTypes<
+      vtkm::cont::DeviceAdapterTagCuda>::Portal;
+  PortalType Portal;
+
+  __device__ vtkm::Int64 vtkmAtomicAdd(vtkm::Int64* address, const vtkm::Int64& value) const
+  {
+    return atomicAdd((unsigned long long*)address, (unsigned long long)value);
+  }
+
+  __device__ vtkm::Int32 vtkmAtomicAdd(vtkm::Int32* address, const vtkm::Int32& value) const
+  {
+    return atomicAdd(address, value);
+  }
+
+  __device__ vtkm::Int32 vtkmCompareAndSwap(vtkm::Int32* address,
+                                            const vtkm::Int32& newValue,
+                                            const vtkm::Int32& oldValue) const
+  {
+    return atomicCAS(address, oldValue, newValue);
+  }
+
+  __device__ vtkm::Int64 vtkmCompareAndSwap(vtkm::Int64* address,
+                                            const vtkm::Int64& newValue,
+                                            const vtkm::Int64& oldValue) const
+  {
+    return atomicCAS((unsigned long long int*)address,
+                     (unsigned long long int)oldValue,
+                     (unsigned long long int)newValue);
+  }
+};
+}
+} // end namespace vtkm::cont
+
+#endif // vtk_m_cont_internal_DeviceAdapterAtomicArrayImplementationCuda_h
diff --git a/vtkm/cont/internal/CMakeLists.txt b/vtkm/cont/internal/CMakeLists.txt
index 2faf93a7e..190a5456b 100644
--- a/vtkm/cont/internal/CMakeLists.txt
+++ b/vtkm/cont/internal/CMakeLists.txt
@@ -30,6 +30,7 @@ set(headers
   ArrayTransfer.h
   ConnectivityExplicitInternals.h
   DeviceAdapterAlgorithmGeneral.h
+  DeviceAdapterAtomicArrayImplementation.h
   DeviceAdapterDefaultSelection.h
   DeviceAdapterError.h
   DeviceAdapterListHelpers.h
diff --git a/vtkm/cont/internal/DeviceAdapterAlgorithmGeneral.h b/vtkm/cont/internal/DeviceAdapterAlgorithmGeneral.h
index 334a75109..2e477a5ab 100644
--- a/vtkm/cont/internal/DeviceAdapterAlgorithmGeneral.h
+++ b/vtkm/cont/internal/DeviceAdapterAlgorithmGeneral.h
@@ -27,6 +27,7 @@
 #include <vtkm/cont/ArrayHandleIndex.h>
 #include <vtkm/cont/ArrayHandleStreaming.h>
 #include <vtkm/cont/ArrayHandleZip.h>
+#include <vtkm/cont/internal/DeviceAdapterAtomicArrayImplementation.h>
 #include <vtkm/cont/internal/FunctorsGeneral.h>
 
 #include <vtkm/exec/internal/ErrorMessageBuffer.h>
@@ -874,125 +875,8 @@ public:
       input, values_output, values_output);
   }
 };
-}
-}
-} // namespace vtkm::cont::internal
 
-namespace vtkm
-{
-namespace cont
-{
-/// \brief Class providing a device-specific atomic interface.
-///
-/// The class provide the actual implementation used by vtkm::exec::AtomicArray.
-/// A serial default implementation is provided. But each device will have a different
-/// implementation.
-///
-/// Serial requires no form of atomicity
-///
-template <typename T, typename DeviceTag>
-class DeviceAdapterAtomicArrayImplementation
-{
-public:
-  VTKM_CONT
-  DeviceAdapterAtomicArrayImplementation(
-    vtkm::cont::ArrayHandle<T, vtkm::cont::StorageTagBasic> handle)
-    : Iterators(IteratorsType(handle.PrepareForInPlace(DeviceTag())))
-  {
-  }
-
-  T Add(vtkm::Id index, const T& value) const
-  {
-    T* lockedValue;
-#if defined(_ITERATOR_DEBUG_LEVEL) && _ITERATOR_DEBUG_LEVEL > 0
-    using IteratorType = typename vtkm::cont::ArrayPortalToIterators<PortalType>::IteratorType;
-    typename IteratorType::pointer temp =
-      &(*(Iterators.GetBegin() + static_cast<std::ptrdiff_t>(index)));
-    lockedValue = temp;
-    return vtkmAtomicAdd(lockedValue, value);
-#else
-    lockedValue = (Iterators.GetBegin() + index);
-    return vtkmAtomicAdd(lockedValue, value);
-#endif
-  }
-
-  T CompareAndSwap(vtkm::Id index, const T& newValue, const T& oldValue) const
-  {
-    T* lockedValue;
-#if defined(_ITERATOR_DEBUG_LEVEL) && _ITERATOR_DEBUG_LEVEL > 0
-    using IteratorType = typename vtkm::cont::ArrayPortalToIterators<PortalType>::IteratorType;
-    typename IteratorType::pointer temp =
-      &(*(Iterators.GetBegin() + static_cast<std::ptrdiff_t>(index)));
-    lockedValue = temp;
-    return vtkmCompareAndSwap(lockedValue, newValue, oldValue);
-#else
-    lockedValue = (Iterators.GetBegin() + index);
-    return vtkmCompareAndSwap(lockedValue, newValue, oldValue);
-#endif
-  }
-
-private:
-  using PortalType =
-    typename vtkm::cont::ArrayHandle<T, vtkm::cont::StorageTagBasic>::template ExecutionTypes<
-      DeviceTag>::Portal;
-  using IteratorsType = vtkm::cont::ArrayPortalToIterators<PortalType>;
-  IteratorsType Iterators;
-
-#if defined(VTKM_MSVC) //MSVC atomics
-  vtkm::Int32 vtkmAtomicAdd(vtkm::Int32* address, const vtkm::Int32& value) const
-  {
-    return InterlockedExchangeAdd(reinterpret_cast<volatile long*>(address), value);
-  }
-
-  vtkm::Int64 vtkmAtomicAdd(vtkm::Int64* address, const vtkm::Int64& value) const
-  {
-    return InterlockedExchangeAdd64(reinterpret_cast<volatile long long*>(address), value);
-  }
-
-  vtkm::Int32 vtkmCompareAndSwap(vtkm::Int32* address,
-                                 const vtkm::Int32& newValue,
-                                 const vtkm::Int32& oldValue) const
-  {
-    return InterlockedCompareExchange(
-      reinterpret_cast<volatile long*>(address), newValue, oldValue);
-  }
-
-  vtkm::Int64 vtkmCompareAndSwap(vtkm::Int64* address,
-                                 const vtkm::Int64& newValue,
-                                 const vtkm::Int64& oldValue) const
-  {
-    return InterlockedCompareExchange64(
-      reinterpret_cast<volatile long long*>(address), newValue, oldValue);
-  }
-
-#else //gcc built-in atomics
-
-  vtkm::Int32 vtkmAtomicAdd(vtkm::Int32* address, const vtkm::Int32& value) const
-  {
-    return __sync_fetch_and_add(address, value);
-  }
-
-  vtkm::Int64 vtkmAtomicAdd(vtkm::Int64* address, const vtkm::Int64& value) const
-  {
-    return __sync_fetch_and_add(address, value);
-  }
-
-  vtkm::Int32 vtkmCompareAndSwap(vtkm::Int32* address,
-                                 const vtkm::Int32& newValue,
-                                 const vtkm::Int32& oldValue) const
-  {
-    return __sync_val_compare_and_swap(address, oldValue, newValue);
-  }
-
-  vtkm::Int64 vtkmCompareAndSwap(vtkm::Int64* address,
-                                 const vtkm::Int64& newValue,
-                                 const vtkm::Int64& oldValue) const
-  {
-    return __sync_val_compare_and_swap(address, oldValue, newValue);
-  }
-
-#endif
-};
+} // namespace internal
 
 /// \brief Class providing a device-specific support for selecting the optimal
 /// Task type for a given worklet.
diff --git a/vtkm/cont/internal/DeviceAdapterAtomicArrayImplementation.h b/vtkm/cont/internal/DeviceAdapterAtomicArrayImplementation.h
new file mode 100644
index 000000000..78fdd42ef
--- /dev/null
+++ b/vtkm/cont/internal/DeviceAdapterAtomicArrayImplementation.h
@@ -0,0 +1,152 @@
+//============================================================================
+//  Copyright (c) Kitware, Inc.
+//  All rights reserved.
+//  See LICENSE.txt for details.
+//  This software is distributed WITHOUT ANY WARRANTY; without even
+//  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+//  PURPOSE.  See the above copyright notice for more information.
+//
+//  Copyright 2018 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
+//  Copyright 2018 UT-Battelle, LLC.
+//  Copyright 2018 Los Alamos National Security.
+//
+//  Under the terms of Contract DE-NA0003525 with NTESS,
+//  the U.S. Government retains certain rights in this software.
+//
+//  Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
+//  Laboratory (LANL), the U.S. Government retains certain rights in
+//  this software.
+//============================================================================
+
+#ifndef vtk_m_cont_internal_DeviceAdapterAtomicArrayImplementation_h
+#define vtk_m_cont_internal_DeviceAdapterAtomicArrayImplementation_h
+
+#include <vtkm/cont/ArrayHandle.h>
+#include <vtkm/cont/ArrayPortalToIterators.h>
+#include <vtkm/cont/StorageBasic.h>
+
+#include <vtkm/internal/Configure.h>
+#include <vtkm/internal/Windows.h>
+
+#include <vtkm/Types.h>
+
+namespace vtkm
+{
+namespace cont
+{
+
+/// \brief Class providing a device-specific atomic interface.
+///
+/// The class provide the actual implementation used by vtkm::exec::AtomicArray.
+/// A serial default implementation is provided. But each device will have a different
+/// implementation.
+///
+/// Serial requires no form of atomicity
+///
+template <typename T, typename DeviceTag>
+class DeviceAdapterAtomicArrayImplementation
+{
+  using PortalType =
+    typename vtkm::cont::ArrayHandle<T, vtkm::cont::StorageTagBasic>::template ExecutionTypes<
+      DeviceTag>::Portal;
+  using IteratorsType = vtkm::cont::ArrayPortalToIterators<PortalType>;
+  IteratorsType Iterators;
+
+public:
+  VTKM_CONT
+  DeviceAdapterAtomicArrayImplementation(
+    vtkm::cont::ArrayHandle<T, vtkm::cont::StorageTagBasic> handle)
+    : Iterators(IteratorsType(handle.PrepareForInPlace(DeviceTag())))
+  {
+  }
+
+  T Add(vtkm::Id index, const T& value) const
+  {
+    T* lockedValue;
+#if defined(_ITERATOR_DEBUG_LEVEL) && _ITERATOR_DEBUG_LEVEL > 0
+    using IteratorType = typename vtkm::cont::ArrayPortalToIterators<PortalType>::IteratorType;
+    typename IteratorType::pointer temp =
+      &(*(Iterators.GetBegin() + static_cast<std::ptrdiff_t>(index)));
+    lockedValue = temp;
+    return this->vtkmAtomicAdd(lockedValue, value);
+#else
+    lockedValue = (Iterators.GetBegin() + index);
+    return this->vtkmAtomicAdd(lockedValue, value);
+#endif
+  }
+
+  T CompareAndSwap(vtkm::Id index, const T& newValue, const T& oldValue) const
+  {
+    T* lockedValue;
+#if defined(_ITERATOR_DEBUG_LEVEL) && _ITERATOR_DEBUG_LEVEL > 0
+    using IteratorType = typename vtkm::cont::ArrayPortalToIterators<PortalType>::IteratorType;
+    typename IteratorType::pointer temp =
+      &(*(Iterators.GetBegin() + static_cast<std::ptrdiff_t>(index)));
+    lockedValue = temp;
+    return this->vtkmCompareAndSwap(lockedValue, newValue, oldValue);
+#else
+    lockedValue = (Iterators.GetBegin() + index);
+    return this->vtkmCompareAndSwap(lockedValue, newValue, oldValue);
+#endif
+  }
+
+private:
+#if defined(VTKM_MSVC) //MSVC atomics
+  vtkm::Int32 vtkmAtomicAdd(vtkm::Int32* address, const vtkm::Int32& value) const
+  {
+    return InterlockedExchangeAdd(reinterpret_cast<volatile long*>(address), value);
+  }
+
+  vtkm::Int64 vtkmAtomicAdd(vtkm::Int64* address, const vtkm::Int64& value) const
+  {
+    return InterlockedExchangeAdd64(reinterpret_cast<volatile long long*>(address), value);
+  }
+
+  vtkm::Int32 vtkmCompareAndSwap(vtkm::Int32* address,
+                                 const vtkm::Int32& newValue,
+                                 const vtkm::Int32& oldValue) const
+  {
+    return InterlockedCompareExchange(
+      reinterpret_cast<volatile long*>(address), newValue, oldValue);
+  }
+
+  vtkm::Int64 vtkmCompareAndSwap(vtkm::Int64* address,
+                                 const vtkm::Int64& newValue,
+                                 const vtkm::Int64& oldValue) const
+  {
+    return InterlockedCompareExchange64(
+      reinterpret_cast<volatile long long*>(address), newValue, oldValue);
+  }
+
+#else //gcc built-in atomics
+
+  vtkm::Int32 vtkmAtomicAdd(vtkm::Int32* address, const vtkm::Int32& value) const
+  {
+    return __sync_fetch_and_add(address, value);
+  }
+
+  vtkm::Int64 vtkmAtomicAdd(vtkm::Int64* address, const vtkm::Int64& value) const
+  {
+    return __sync_fetch_and_add(address, value);
+  }
+
+  vtkm::Int32 vtkmCompareAndSwap(vtkm::Int32* address,
+                                 const vtkm::Int32& newValue,
+                                 const vtkm::Int32& oldValue) const
+  {
+    return __sync_val_compare_and_swap(address, oldValue, newValue);
+  }
+
+  vtkm::Int64 vtkmCompareAndSwap(vtkm::Int64* address,
+                                 const vtkm::Int64& newValue,
+                                 const vtkm::Int64& oldValue) const
+  {
+    return __sync_val_compare_and_swap(address, oldValue, newValue);
+  }
+
+#endif
+};
+}
+} // end namespace vtkm::cont
+
+#endif // vtk_m_cont_internal_DeviceAdapterAtomicArrayImplementation_h