Replacing memcpy() with rte_memcpy() improved 64 byte packet
performance by 33% on a POWER9 system and by 10% on an x86_64
system.
Signed-off-by: David Christensen <d...@linux.vnet.ibm.com>
---
drivers/net/memif/rte_eth_memif.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/net/memif/rte_eth_memif.c
b/drivers/net/memif/rte_eth_memif.c
index d17222c612..330c9c2fd6 100644
--- a/drivers/net/memif/rte_eth_memif.c
+++ b/drivers/net/memif/rte_eth_memif.c
@@ -384,8 +384,8 @@ eth_memif_rx(void *queue, struct rte_mbuf **bufs, uint16_t
nb_pkts)
rte_pktmbuf_pkt_len(mbuf_head) += cp_len;
rte_memcpy(rte_pktmbuf_mtod_offset(mbuf, void *,
dst_off),
- (uint8_t *)memif_get_buffer(proc_private, d0) +
src_off,
- cp_len);
+ (uint8_t *)memif_get_buffer(proc_private, d0)
+ + src_off, cp_len);
src_off += cp_len;
dst_off += cp_len;
@@ -644,7 +644,8 @@ eth_memif_tx(void *queue, struct rte_mbuf **bufs, uint16_t
nb_pkts)
}
cp_len = RTE_MIN(dst_len, src_len);
- rte_memcpy((uint8_t *)memif_get_buffer(proc_private,
d0) + dst_off,
+ rte_memcpy((uint8_t *)
+ memif_get_buffer(proc_private, d0) + dst_off,
rte_pktmbuf_mtod_offset(mbuf, void *, src_off),
cp_len);
--
2.27.0
