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Added a test for multithreaded full reductions

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This commit is contained in:
Benoit Steiner
2015-06-30 13:08:12 -07:00
parent a4aa7c6217
commit 109005c6c9
2 changed files with 32 additions and 0 deletions
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6
unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h
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@@ -17,6 +17,7 @@ namespace internal {
template <typename T> struct SumReducer
{
static const bool PacketAccess = true;
static const bool IsStateful = false;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void reduce(const T t, T* accum) const {
(*accum) += t;
@@ -49,6 +50,8 @@ template <typename T> struct SumReducer
template <typename T> struct MeanReducer
{
static const bool PacketAccess = true;
static const bool IsStateful = true;
MeanReducer() : scalarCount_(0), packetCount_(0) { }
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void reduce(const T t, T* accum) {
@@ -88,6 +91,7 @@ template <typename T> struct MeanReducer
template <typename T> struct MaxReducer
{
static const bool PacketAccess = true;
static const bool IsStateful = false;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void reduce(const T t, T* accum) const {
if (t > *accum) { *accum = t; }
@@ -120,6 +124,7 @@ template <typename T> struct MaxReducer
template <typename T> struct MinReducer
{
static const bool PacketAccess = true;
static const bool IsStateful = false;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void reduce(const T t, T* accum) const {
if (t < *accum) { *accum = t; }
@@ -153,6 +158,7 @@ template <typename T> struct MinReducer
template <typename T> struct ProdReducer
{
static const bool PacketAccess = true;
static const bool IsStateful = false;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void reduce(const T t, T* accum) const {
(*accum) *= t;