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add nd_range to SYCL #83

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add nd_range to SYCL #83

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16 changes: 10 additions & 6 deletions SYCLStream.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -91,8 +91,9 @@ void SYCLStream<T>::copy()
{
auto ka = d_a->template get_access<access::mode::read>(cgh);
auto kc = d_c->template get_access<access::mode::write>(cgh);
cgh.parallel_for<copy_kernel>(range<1>{array_size}, [=](id<1> idx)
cgh.parallel_for<copy_kernel>(nd_range<1>{array_size,LOCAL_SIZE}, [=](nd_item<1> it)
{
const auto idx = it.get_global_id(0);
kc[idx] = ka[idx];
});
});
Expand All @@ -107,8 +108,9 @@ void SYCLStream<T>::mul()
{
auto kb = d_b->template get_access<access::mode::write>(cgh);
auto kc = d_c->template get_access<access::mode::read>(cgh);
cgh.parallel_for<mul_kernel>(range<1>{array_size}, [=](id<1> idx)
cgh.parallel_for<mul_kernel>(nd_range<1>{array_size,LOCAL_SIZE}, [=](nd_item<1> it)
{
const auto idx = it.get_global_id(0);
kb[idx] = scalar * kc[idx];
});
});
Expand All @@ -123,8 +125,9 @@ void SYCLStream<T>::add()
auto ka = d_a->template get_access<access::mode::read>(cgh);
auto kb = d_b->template get_access<access::mode::read>(cgh);
auto kc = d_c->template get_access<access::mode::write>(cgh);
cgh.parallel_for<add_kernel>(range<1>{array_size}, [=](id<1> idx)
cgh.parallel_for<add_kernel>(nd_range<1>{array_size,LOCAL_SIZE}, [=](nd_item<1> it)
{
const auto idx = it.get_global_id(0);
kc[idx] = ka[idx] + kb[idx];
});
});
Expand All @@ -140,8 +143,9 @@ void SYCLStream<T>::triad()
auto ka = d_a->template get_access<access::mode::write>(cgh);
auto kb = d_b->template get_access<access::mode::read>(cgh);
auto kc = d_c->template get_access<access::mode::read>(cgh);
cgh.parallel_for<triad_kernel>(range<1>{array_size}, [=](id<1> idx)
cgh.parallel_for<triad_kernel>(nd_range<1>{array_size,LOCAL_SIZE}, [=](nd_item<1> it)
{
const auto idx = it.get_global_id(0);
ka[idx] = kb[idx] + scalar * kc[idx];
});
});
Expand Down Expand Up @@ -201,9 +205,9 @@ void SYCLStream<T>::init_arrays(T initA, T initB, T initC)
auto ka = d_a->template get_access<access::mode::write>(cgh);
auto kb = d_b->template get_access<access::mode::write>(cgh);
auto kc = d_c->template get_access<access::mode::write>(cgh);
cgh.parallel_for<init_kernel>(range<1>{array_size}, [=](item<1> item)
cgh.parallel_for<init_kernel>(nd_range<1>{array_size,LOCAL_SIZE}, [=](nd_item<1> item)
{
auto id = item.get_id(0);
const auto id = item.get_global_id(0);
ka[id] = initA;
kb[id] = initB;
kc[id] = initC;
Expand Down
2 changes: 2 additions & 0 deletions SYCLStream.h
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,8 @@

#define IMPLEMENTATION_STRING "SYCL"

#define LOCAL_SIZE 256

namespace sycl_kernels
{
template <class T> class init;
Expand Down