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Commit 87e771f

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AlexeySachkovAlexeySachkov
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Fixes and tests for offset + range accessors
1 parent 2dff81d commit 87e771f

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2 files changed

+73
-28
lines changed

2 files changed

+73
-28
lines changed

‎sycl/include/sycl/accessor.hpp

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -2030,11 +2030,12 @@ class __SYCL_SPECIAL_CLASS __SYCL_TYPE(accessor) accessor :
20302030
bool operator!=(const accessor &Rhs) const { return !(*this == Rhs); }
20312031

20322032
iterator begin() const noexcept {
2033-
return iterator::__get_begin(this, get_offset(), get_range());
2033+
return iterator::__get_begin(this, get_offset(),
2034+
get_offset() + get_range());
20342035
}
20352036

20362037
iterator end() const noexcept {
2037-
return iterator::__get_end(this, get_offset(), get_range());
2038+
return iterator::__get_end(this, get_offset(), get_offset() + get_range());
20382039
}
20392040

20402041
private:

‎sycl/unittests/accessor/AccessorIterator.cpp

Lines changed: 70 additions & 26 deletions
Original file line numberDiff line numberDiff line change
@@ -47,16 +47,17 @@ class AccessorIteratorTest : public ::testing::Test {
4747
}
4848

4949
template <int Dimensions, typename T = int>
50-
void checkPartialCopyThroughIteratorWithoutOffset(
51-
const sycl::range<Dimensions> &fullShape,
52-
const sycl::range<Dimensions> &copyShape) {
50+
void
51+
checkPartialCopyThroughIterator(const sycl::range<Dimensions> &fullShape,
52+
const sycl::range<Dimensions> &copyShape,
53+
const sycl::id<Dimensions> &offset = {}) {
5354
std::vector<T> reference(fullShape.size());
5455
std::iota(reference.begin(), reference.end(), 0);
5556
sycl::buffer<T, Dimensions> buffer(reference.data(), fullShape);
5657
std::vector<T> copied;
5758
{
58-
auto accessor =
59-
buffer.template get_access<sycl::access_mode::read_write>(copyShape);
59+
auto accessor = buffer.template get_access<sycl::access_mode::read_write>(
60+
copyShape, offset);
6061
auto I = accessor.begin();
6162
I = accessor.end();
6263
for (auto i = accessor.begin(), e = accessor.end(); i != e; ++i) {
@@ -69,12 +70,19 @@ class AccessorIteratorTest : public ::testing::Test {
6970
{
7071
auto fullAccessor = buffer.template get_access<sycl::access_mode::read>();
7172
size_t linearId = 0;
72-
sycl::id<3> shapeToCheck(Dimensions > 2 ? copyShape[Dimensions - 3] : 1,
73-
Dimensions > 1 ? copyShape[Dimensions - 2] : 1,
74-
copyShape[Dimensions - 1]);
75-
for (size_t z = 0; z < shapeToCheck[0]; ++z) {
76-
for (size_t y = 0; y < shapeToCheck[1]; ++y) {
77-
for (size_t x = 0; x < shapeToCheck[2]; ++x) {
73+
74+
sycl::id<3> offsetToUse(Dimensions > 2 ? offset[Dimensions - 3] : 1,
75+
Dimensions > 1 ? offset[Dimensions - 2] : 1,
76+
offset[Dimensions - 1]);
77+
78+
sycl::id<3> shapeToCheck(
79+
(Dimensions > 2 ? copyShape[Dimensions - 3] : 1) - offsetToUse[0],
80+
(Dimensions > 1 ? copyShape[Dimensions - 2] : 1) - offsetToUse[1],
81+
copyShape[Dimensions - 1] - offsetToUse[2]);
82+
83+
for (size_t z = offsetToUse[0]; z < shapeToCheck[0]; ++z) {
84+
for (size_t y = offsetToUse[1]; y < shapeToCheck[1]; ++y) {
85+
for (size_t x = offsetToUse[2]; x < shapeToCheck[2]; ++x) {
7886
auto value = accessHelper<Dimensions>(fullAccessor, z, y, x);
7987
ASSERT_EQ(copied[linearId], value);
8088
++linearId;
@@ -293,36 +301,72 @@ TEST_F(AccessorIteratorTest, FullCopy3D) {
293301
}
294302

295303
TEST_F(AccessorIteratorTest, PartialCopyWithoutOffset1D) {
296-
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIteratorWithoutOffset(
297-
sycl::range<1>{10}, sycl::range<1>{5}));
298-
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIteratorWithoutOffset(
299-
sycl::range<1>{10}, sycl::range<1>{10}));
304+
ASSERT_NO_FATAL_FAILURE(
305+
checkPartialCopyThroughIterator(sycl::range<1>{10}, sycl::range<1>{5}));
306+
ASSERT_NO_FATAL_FAILURE(
307+
checkPartialCopyThroughIterator(sycl::range<1>{10}, sycl::range<1>{10}));
300308
}
301309

302310
TEST_F(AccessorIteratorTest, PartialCopyWithoutOffset2D) {
303-
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIteratorWithoutOffset(
311+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
304312
sycl::range<2>{5, 5}, sycl::range<2>{3, 3}));
305-
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIteratorWithoutOffset(
313+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
306314
sycl::range<2>{5, 5}, sycl::range<2>{5, 5}));
307-
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIteratorWithoutOffset(
315+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
308316
sycl::range<2>{5, 5}, sycl::range<2>{2, 5}));
309-
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIteratorWithoutOffset(
317+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
310318
sycl::range<2>{5, 5}, sycl::range<2>{5, 2}));
311-
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIteratorWithoutOffset(
319+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
312320
sycl::range<2>{5, 5}, sycl::range<2>{3, 2}));
313321
}
314322

315323
TEST_F(AccessorIteratorTest, PartialCopyWithoutOffset3D) {
316-
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIteratorWithoutOffset(
324+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
317325
sycl::range<3>{5, 5, 5}, sycl::range<3>{3, 3, 3}));
318-
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIteratorWithoutOffset(
326+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
319327
sycl::range<3>{5, 5, 5}, sycl::range<3>{5, 3, 3}));
320-
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIteratorWithoutOffset(
328+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
321329
sycl::range<3>{5, 5, 5}, sycl::range<3>{3, 5, 3}));
322-
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIteratorWithoutOffset(
330+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
323331
sycl::range<3>{5, 5, 5}, sycl::range<3>{3, 3, 5}));
324-
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIteratorWithoutOffset(
332+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
325333
sycl::range<3>{5, 5, 5}, sycl::range<3>{5, 5, 5}));
326-
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIteratorWithoutOffset(
334+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
327335
sycl::range<3>{5, 5, 5}, sycl::range<3>{1, 2, 3}));
328336
}
337+
338+
TEST_F(AccessorIteratorTest, PartialCopyWithOffset1D) {
339+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
340+
sycl::range<1>{10}, sycl::range<1>{5}, sycl::id<1>{3}));
341+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
342+
sycl::range<1>{10}, sycl::range<1>{5}, sycl::id<1>{5}));
343+
}
344+
345+
TEST_F(AccessorIteratorTest, PartialCopyWithOffset2D) {
346+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
347+
sycl::range<2>{10, 10}, sycl::range<2>{5, 5}, sycl::id<2>{3, 3}));
348+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
349+
sycl::range<2>{10, 10}, sycl::range<2>{5, 5}, sycl::id<2>{3, 0}));
350+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
351+
sycl::range<2>{10, 10}, sycl::range<2>{5, 5}, sycl::id<2>{0, 3}));
352+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
353+
sycl::range<2>{10, 10}, sycl::range<2>{5, 5}, sycl::id<2>{5, 5}));
354+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
355+
sycl::range<2>{5, 10}, sycl::range<2>{3, 5}, sycl::id<2>{1, 4}));
356+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
357+
sycl::range<2>{10, 5}, sycl::range<2>{5, 3}, sycl::id<2>{5, 1}));
358+
}
359+
360+
TEST_F(AccessorIteratorTest, PartialCopyWithOffset3D) {
361+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
362+
sycl::range<3>{7, 7, 7}, sycl::range<3>{3, 3, 3}, sycl::id<3>{2, 2, 2}));
363+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
364+
sycl::range<3>{8, 8, 8}, sycl::range<3>{4, 4, 4}, sycl::id<3>{4, 4, 4}));
365+
// FIXME: figure out why the test below fails
366+
// ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
367+
// sycl::range<3>{7, 7, 7}, sycl::range<3>{3, 3, 3}, sycl::id<3>{4, 4, 4}));
368+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
369+
sycl::range<3>{7, 7, 7}, sycl::range<3>{3, 4, 5}, sycl::id<3>{3, 2, 1}));
370+
ASSERT_NO_FATAL_FAILURE(checkPartialCopyThroughIterator(
371+
sycl::range<3>{9, 8, 7}, sycl::range<3>{3, 4, 5}, sycl::id<3>{3, 2, 1}));
372+
}

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