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Add restrict to extra pointers in OpenACC

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This commit is contained in:
Tom Deakin 2016-06-30 16:24:32 +01:00
parent 2033f3f0c6
commit 8be4b26bb1
1 changed files with 10 additions and 10 deletions
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20
ACCStream.cpp
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@ -59,8 +59,8 @@ template <class T>
void ACCStream<T>::copy() void ACCStream<T>::copy()
{ {
unsigned int array_size = this->array_size; unsigned int array_size = this->array_size;
T *a = this->a; T * restrict a = this->a;
T *c = this->c; T * restrict c = this->c;
#pragma acc kernels present(a[0:array_size], c[0:array_size]) wait #pragma acc kernels present(a[0:array_size], c[0:array_size]) wait
for (int i = 0; i < array_size; i++) for (int i = 0; i < array_size; i++)
{ {
@ -74,8 +74,8 @@ void ACCStream<T>::mul()
const T scalar = 0.3; const T scalar = 0.3;
unsigned int array_size = this->array_size; unsigned int array_size = this->array_size;
T *b = this->b; T * restrict b = this->b;
T *c = this->c; T * restrict c = this->c;
#pragma acc kernels present(b[0:array_size], c[0:array_size]) wait #pragma acc kernels present(b[0:array_size], c[0:array_size]) wait
for (int i = 0; i < array_size; i++) for (int i = 0; i < array_size; i++)
{ {
@ -87,9 +87,9 @@ template <class T>
void ACCStream<T>::add() void ACCStream<T>::add()
{ {
unsigned int array_size = this->array_size; unsigned int array_size = this->array_size;
T *a = this->a; T * restrict a = this->a;
T *b = this->b; T * restrict b = this->b;
T *c = this->c; T * restrict c = this->c;
#pragma acc kernels present(a[0:array_size], b[0:array_size], c[0:array_size]) wait #pragma acc kernels present(a[0:array_size], b[0:array_size], c[0:array_size]) wait
for (int i = 0; i < array_size; i++) for (int i = 0; i < array_size; i++)
{ {
@ -103,9 +103,9 @@ void ACCStream<T>::triad()
const T scalar = 0.3; const T scalar = 0.3;
unsigned int array_size = this->array_size; unsigned int array_size = this->array_size;
T *a = this->a; T * restrict a = this->a;
T *b = this->b; T * restrict b = this->b;
T *c = this->c; T * restrict c = this->c;
#pragma acc kernels present(a[0:array_size], b[0:array_size], c[0:array_size]) wait #pragma acc kernels present(a[0:array_size], b[0:array_size], c[0:array_size]) wait
for (int i = 0; i < array_size; i++) for (int i = 0; i < array_size; i++)
{ {