> From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Joyce Kong > Sent: Monday, July 6, 2020 9:49 AM > > As the 'restrict' keyword is recognized in C99, this patchset is to > add a wrapper defining '__rte_restrict' which can be supported by > all compilers. Then replace the existing 'restrict' and '__restrict' > in different vpmds, and optimize vhost/virtio with restricted pointer > aliasing for more aggressive loops vectorization. > > The vhost/virtio optimization patches were benchmarked by running PVP > case on ThunderX2 platform and showed positive performance results. > > Joyce Kong (6): > lib/eal: add a wrapper to define restricted pointers > net/virtio: restrict pointer aliasing for NEON vpmd > lib/vhost: restrict pointer aliasing for packed vpmd > net/i40e: replace restrict with rte restrict > examples/performance-thread: replace restrict with wrapper > net/mlx5: replace restrict keyword with rte restrict > > drivers/net/i40e/i40e_rxtx_vec_neon.c | 17 +- > drivers/net/mlx5/mlx5_rxtx.c | 208 +++++++++--------- > drivers/net/virtio/virtio_rxtx_simple_neon.c | 5 +- > .../pthread_shim/pthread_shim.c | 12 +- > lib/librte_eal/include/rte_common.h | 10 + > lib/librte_vhost/virtio_net.c | 14 +- > 6 files changed, 139 insertions(+), 127 deletions(-) > > -- > 2.27.0 >
If you are hunting for more places to add __rte_restrict, I will suggest rte_memcpy.h.
