// No host SDK, CRT, or device library dependency. Compiled only for gfx1201.
extern "C" __attribute__((global)) void d4r_probe_pattern(
    unsigned int* output, unsigned int count, unsigned int seed)
{
    const unsigned int i = __builtin_amdgcn_workgroup_id_x() * 128u +
                           __builtin_amdgcn_workitem_id_x();
    if (i < count)
        output[i] = (i * 1664525u + seed) ^ 0xa5a55a5au;
}