From d6ba3ca2517a77f3177a29abae3642b2b686b26b Mon Sep 17 00:00:00 2001 From: Klement Sekera Date: Mon, 8 Jun 2020 11:28:53 +0000 Subject: nat: optimize prefetching Type: improvement Signed-off-by: Klement Sekera Change-Id: Iea1748e8e39d213fcb3f3b52379bd37a6dd6aa3d --- src/plugins/nat/nat44_handoff.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'src/plugins/nat/nat44_handoff.c') diff --git a/src/plugins/nat/nat44_handoff.c b/src/plugins/nat/nat44_handoff.c index 69b3b6083a7..69cdc42870f 100644 --- a/src/plugins/nat/nat44_handoff.c +++ b/src/plugins/nat/nat44_handoff.c @@ -108,14 +108,14 @@ nat44_worker_handoff_fn_inline (vlib_main_t * vm, if (PREDICT_TRUE (n_left_from >= 8)) { - vlib_prefetch_buffer_header (b[4], STORE); - vlib_prefetch_buffer_header (b[5], STORE); - vlib_prefetch_buffer_header (b[6], STORE); - vlib_prefetch_buffer_header (b[7], STORE); - CLIB_PREFETCH (&b[4]->data, CLIB_CACHE_LINE_BYTES, STORE); - CLIB_PREFETCH (&b[5]->data, CLIB_CACHE_LINE_BYTES, STORE); - CLIB_PREFETCH (&b[6]->data, CLIB_CACHE_LINE_BYTES, STORE); - CLIB_PREFETCH (&b[7]->data, CLIB_CACHE_LINE_BYTES, STORE); + vlib_prefetch_buffer_header (b[4], LOAD); + vlib_prefetch_buffer_header (b[5], LOAD); + vlib_prefetch_buffer_header (b[6], LOAD); + vlib_prefetch_buffer_header (b[7], LOAD); + CLIB_PREFETCH (&b[4]->data, CLIB_CACHE_LINE_BYTES, LOAD); + CLIB_PREFETCH (&b[5]->data, CLIB_CACHE_LINE_BYTES, LOAD); + CLIB_PREFETCH (&b[6]->data, CLIB_CACHE_LINE_BYTES, LOAD); + CLIB_PREFETCH (&b[7]->data, CLIB_CACHE_LINE_BYTES, LOAD); } if (is_output) -- cgit 1.2.3-korg