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Add tests for cl_khr_subgroup_rotate (#1439)

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Signed-off-by: Stuart Brady <stuart.brady@arm.com>
This commit is contained in:
Stuart Brady
2022-06-28 17:05:11 +01:00
committed by GitHub
parent 0b7118186a
commit 1c19a4cbdb
6 changed files with 155 additions and 3 deletions
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35
test_conformance/subgroups/subgroup_common_templates.h
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@@ -501,7 +501,31 @@ template <typename Ty, ShuffleOp operation> struct SHF
l = (((cl_uint)(genrand_int32(gMTdata) & 0x7fffffff) + 1)
% (ns * 2 + 1))
- 1;
m[midx] = l;
switch (operation)
{
case ShuffleOp::shuffle:
case ShuffleOp::shuffle_xor:
case ShuffleOp::shuffle_up:
case ShuffleOp::shuffle_down:
// storing information about shuffle index/delta
m[midx] = (cl_int)l;
break;
case ShuffleOp::rotate:
case ShuffleOp::clustered_rotate:
// Storing information about rotate delta.
// The delta must be the same for each thread in
// the subgroup.
if (i == 0)
{
m[midx] = (cl_int)l;
}
else
{
m[midx] = m[midx - 4];
}
break;
default: break;
}
cl_ulong number = genrand_int64(gMTdata);
set_value(t[ii + i], number);
}
@@ -565,6 +589,15 @@ template <typename Ty, ShuffleOp operation> struct SHF
if (l >= ns) skip = true;
tr_idx = i + l;
break;
// rotate - treat l as delta
case ShuffleOp::rotate:
tr_idx = (i + l) % test_params.subgroup_size;
break;
case ShuffleOp::clustered_rotate: {
tr_idx = ((i & ~(test_params.cluster_size - 1))
+ ((i + l) % test_params.cluster_size));
break;
}
default: break;
}