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Fix async copying when first == last (input is empty)

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This commit is contained in:
Jakub Szuppe
2016-05-28 22:46:35 +02:00
parent c9a0aba172
commit bffc9f74fb
2 changed files with 112 additions and 6 deletions
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96
test/test_copy_type_mismatch.cpp
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@@ -267,6 +267,34 @@ BOOST_AUTO_TEST_CASE(copy_async_to_device_float_to_int)
);
}
BOOST_AUTO_TEST_CASE(copy_async_to_device_float_to_int_empty)
{
using compute::int_;
using compute::float_;
float_ host[] = { 6.1f, -10.2f, 19.3f, 25.4f };
bc::vector<int_> device_vector(size_t(4), int_(1), queue);
// copy nothing to int device vector
compute::future<bc::vector<int_>::iterator > future =
bc::copy_async(host, host, device_vector.begin(), queue);
if(future.valid()) {
future.wait();
}
CHECK_RANGE_EQUAL(
int_,
4,
device_vector,
(
int_(1),
int_(1),
int_(1),
int_(1)
)
);
}
// Test copying from a std::list to a bc::vector. This differs from
// the test copying from std::vector because std::list has non-contiguous
// storage for its data values.
@@ -611,6 +639,40 @@ BOOST_AUTO_TEST_CASE(copy_async_on_device_float_to_int)
);
}
BOOST_AUTO_TEST_CASE(copy_async_on_device_float_to_int_empty)
{
using compute::int_;
using compute::float_;
float_ data[] = { 6.1f, -10.2f, 19.3f, 25.4f };
bc::vector<float_> device_fvector(data, data + 4, queue);
bc::vector<int_> device_ivector(size_t(4), int_(1), queue);
// copy device float vector to device int vector
compute::future<void> future =
bc::copy_async(
device_fvector.begin(),
device_fvector.begin(),
device_ivector.begin(),
queue
);
if(future.valid()) {
future.wait();
}
CHECK_RANGE_EQUAL(
int_,
4,
device_ivector,
(
int_(1),
int_(1),
int_(1),
int_(1)
)
);
}
// SVM requires OpenCL 2.0
#if defined(CL_VERSION_2_0) || defined(BOOST_COMPUTE_DOXYGEN_INVOKED)
BOOST_AUTO_TEST_CASE(copy_on_device_buffer_to_svm_float_to_int)
@@ -1108,6 +1170,40 @@ BOOST_AUTO_TEST_CASE(copy_async_to_host_float_to_int)
);
}
BOOST_AUTO_TEST_CASE(copy_async_to_host_float_to_int_empty)
{
using compute::int_;
using compute::float_;
float_ data[] = { 6.1f, -10.2f, 19.3f, 25.4f };
bc::vector<float_> device_vector(data, data + 4, queue);
std::vector<int_> host_vector(device_vector.size(), int_(1));
// copy device float vector to host int vector
compute::future<void> future =
bc::copy_async(
device_vector.begin(),
device_vector.begin(),
host_vector.begin(),
queue
);
if(future.valid()) {
future.wait();
}
CHECK_HOST_RANGE_EQUAL(
int_,
4,
host_vector.begin(),
(
int_(1),
int_(1),
int_(1),
int_(1)
)
);
}
// SVM requires OpenCL 2.0
#if defined(CL_VERSION_2_0) || defined(BOOST_COMPUTE_DOXYGEN_INVOKED)
BOOST_AUTO_TEST_CASE(copy_to_host_svm_float_to_int_map)