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[merge after thesis] Facilitate switching babelstream to size_t when necessary #841

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[merge after thesis] Facilitate switching babelstream to size_t when necessary #841

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18 changes: 9 additions & 9 deletions examples/alpaka/babelstream/AlpakaStream.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -13,8 +13,8 @@

namespace
{
constexpr auto blockSize = 1024;
constexpr auto dotBlockSize = 256;
constexpr auto blockSize = Idx{1024};
constexpr auto dotBlockSize = Idx{256};

struct StreamingAccessor
{
Expand Down Expand Up @@ -87,7 +87,7 @@ struct InitKernel
template<typename T>
void AlpakaStream<T>::init_arrays(T initA, T initB, T initC)
{
auto const workdiv = WorkDiv{arraySize / blockSize, blockSize, 1};
auto const workdiv = WorkDiv{arraySize / blockSize, blockSize, Idx{1}};
// auto const workdiv = alpaka::getValidWorkDiv(devAcc, arraySize);
alpaka::exec<Acc>(
queue,
Expand Down Expand Up @@ -123,7 +123,7 @@ struct CopyKernel
template<typename T>
void AlpakaStream<T>::copy()
{
auto const workdiv = WorkDiv{arraySize / blockSize, blockSize, 1};
auto const workdiv = WorkDiv{arraySize / blockSize, blockSize, Idx{1}};
// auto const workdiv = alpaka::getValidWorkDiv(devAcc, arraySize);
auto viewA
= llama::View{mapping, llama::Array{reinterpret_cast<std::byte*>(alpaka::getPtrNative(d_a))}, Accessor{}};
Expand All @@ -147,7 +147,7 @@ struct MulKernel
template<typename T>
void AlpakaStream<T>::mul()
{
auto const workdiv = WorkDiv{arraySize / blockSize, blockSize, 1};
auto const workdiv = WorkDiv{arraySize / blockSize, blockSize, Idx{1}};
// auto const workdiv = alpaka::getValidWorkDiv(devAcc, arraySize);
auto viewB
= llama::View{mapping, llama::Array{reinterpret_cast<std::byte*>(alpaka::getPtrNative(d_b))}, Accessor{}};
Expand All @@ -170,7 +170,7 @@ struct AddKernel
template<typename T>
void AlpakaStream<T>::add()
{
auto const workdiv = WorkDiv{arraySize / blockSize, blockSize, 1};
auto const workdiv = WorkDiv{arraySize / blockSize, blockSize, Idx{1}};
// auto const workdiv = alpaka::getValidWorkDiv(devAcc, arraySize);
auto viewA
= llama::View{mapping, llama::Array{reinterpret_cast<std::byte*>(alpaka::getPtrNative(d_a))}, Accessor{}};
Expand All @@ -196,7 +196,7 @@ struct TriadKernel
template<typename T>
void AlpakaStream<T>::triad()
{
auto const workdiv = WorkDiv{arraySize / blockSize, blockSize, 1};
auto const workdiv = WorkDiv{arraySize / blockSize, blockSize, Idx{1}};
// auto const workdiv = alpaka::getValidWorkDiv(devAcc, arraySize);
auto viewA
= llama::View{mapping, llama::Array{reinterpret_cast<std::byte*>(alpaka::getPtrNative(d_a))}, Accessor{}};
Expand All @@ -222,7 +222,7 @@ struct NstreamKernel
template<typename T>
void AlpakaStream<T>::nstream()
{
auto const workdiv = WorkDiv{arraySize / blockSize, blockSize, 1};
auto const workdiv = WorkDiv{arraySize / blockSize, blockSize, Idx{1}};
// auto const workdiv = alpaka::getValidWorkDiv(devAcc, arraySize);
auto viewA
= llama::View{mapping, llama::Array{reinterpret_cast<std::byte*>(alpaka::getPtrNative(d_a))}, Accessor{}};
Expand Down Expand Up @@ -270,7 +270,7 @@ struct DotKernel
template<typename T>
auto AlpakaStream<T>::dot() -> T
{
auto const workdiv = WorkDiv{dotBlockSize, blockSize, 1};
auto const workdiv = WorkDiv{dotBlockSize, blockSize, Idx{1}};
// auto const workdiv = alpaka::getValidWorkDiv(devAcc, dotBlockSize * blockSize);
auto viewA
= llama::View{mapping, llama::Array{reinterpret_cast<std::byte*>(alpaka::getPtrNative(d_a))}, Accessor{}};
Expand Down
2 changes: 1 addition & 1 deletion examples/alpaka/babelstream/AlpakaStream.h
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@
inline constexpr auto IMPLEMENTATION_STRING = "alpaka/LLAMA";

using Dim = alpaka::DimInt<1>;
using Idx = int;
using Idx = int; // use size_t for large problem sizes
using Vec = alpaka::Vec<Dim, Idx>;
using Acc = alpaka::ExampleDefaultAcc<Dim, Idx>;

Expand Down
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