/usr/share/starpu/opencl/examples/ is in starpu-examples 1.2.3+dfsg-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/starpu/opencl/examples/axpy/
/usr/share/starpu/opencl/examples/axpy/axpy_opencl_kernel.cl
/usr/share/starpu/opencl/examples/basic_examples/
/usr/share/starpu/opencl/examples/basic_examples/block_opencl_kernel.cl
/usr/share/starpu/opencl/examples/basic_examples/multiformat_conversion_codelets_opencl_kernel.cl
/usr/share/starpu/opencl/examples/basic_examples/multiformat_opencl_kernel.cl
/usr/share/starpu/opencl/examples/basic_examples/variable_kernels_opencl_kernel.cl
/usr/share/starpu/opencl/examples/basic_examples/vector_scal_opencl_kernel.cl
/usr/share/starpu/opencl/examples/datawizard/
/usr/share/starpu/opencl/examples/datawizard/acquire_release_opencl_kernel.cl
/usr/share/starpu/opencl/examples/datawizard/interfaces/
/usr/share/starpu/opencl/examples/datawizard/interfaces/bcsr/
/usr/share/starpu/opencl/examples/datawizard/interfaces/bcsr/bcsr_opencl_kernel.cl
/usr/share/starpu/opencl/examples/datawizard/interfaces/block/
/usr/share/starpu/opencl/examples/datawizard/interfaces/block/block_opencl_kernel.cl
/usr/share/starpu/opencl/examples/datawizard/interfaces/coo/
/usr/share/starpu/opencl/examples/datawizard/interfaces/coo/coo_opencl_kernel.cl
/usr/share/starpu/opencl/examples/datawizard/interfaces/csr/
/usr/share/starpu/opencl/examples/datawizard/interfaces/csr/csr_opencl_kernel.cl
/usr/share/starpu/opencl/examples/datawizard/interfaces/matrix/
/usr/share/starpu/opencl/examples/datawizard/interfaces/matrix/matrix_opencl_kernel.cl
/usr/share/starpu/opencl/examples/datawizard/interfaces/multiformat/
/usr/share/starpu/opencl/examples/datawizard/interfaces/multiformat/multiformat_conversion_codelets_kernel.cl
/usr/share/starpu/opencl/examples/datawizard/interfaces/multiformat/multiformat_opencl_kernel.cl
/usr/share/starpu/opencl/examples/datawizard/interfaces/variable/
/usr/share/starpu/opencl/examples/datawizard/interfaces/variable/variable_opencl_kernel.cl
/usr/share/starpu/opencl/examples/datawizard/interfaces/vector/
/usr/share/starpu/opencl/examples/datawizard/interfaces/vector/test_vector_opencl_kernel.cl
/usr/share/starpu/opencl/examples/datawizard/opencl_codelet_unsigned_inc_kernel.cl
/usr/share/starpu/opencl/examples/datawizard/scratch_opencl_kernel.cl
/usr/share/starpu/opencl/examples/datawizard/sync_and_notify_data_opencl_codelet.cl
/usr/share/starpu/opencl/examples/filters/
/usr/share/starpu/opencl/examples/filters/custom_mf/
/usr/share/starpu/opencl/examples/filters/custom_mf/conversion_opencl.cl
/usr/share/starpu/opencl/examples/filters/custom_mf/custom_opencl.cl
/usr/share/starpu/opencl/examples/filters/fblock_opencl_kernel.cl
/usr/share/starpu/opencl/examples/incrementer/
/usr/share/starpu/opencl/examples/incrementer/incrementer_kernels_opencl_kernel.cl
/usr/share/starpu/opencl/examples/interface/
/usr/share/starpu/opencl/examples/interface/complex_kernels.cl
/usr/share/starpu/opencl/examples/matvecmult/
/usr/share/starpu/opencl/examples/matvecmult/matvecmult_kernel.cl
/usr/share/starpu/opencl/examples/perfmodels/
/usr/share/starpu/opencl/examples/perfmodels/opencl_memset_kernel.cl
/usr/share/starpu/opencl/examples/reductions/
/usr/share/starpu/opencl/examples/reductions/dot_product_opencl_kernels.cl