Re: [dpdk-dev] [PATCH] examples/l3fwd: prefetch the content of the next packet

2019-10-27 Thread Thomas Monjalon
+Cc Konstantin 14/08/2019 10:54, Feifei Wang: > The cache-misses problem is very serious when the function > lpm_cb_parse_ptype is called to read the content of packets. That is > because the contents of packages previously stored in the cache are > overwritten by the following instructions or var

[dpdk-dev] [PATCH] examples/l3fwd: prefetch the content of the next packet

2019-08-15 Thread Feifei Wang
The cache-misses problem is very serious when the function lpm_cb_parse_ptype is called to read the content of packets. That is because the contents of packages previously stored in the cache are overwritten by the following instructions or variables. Thus the prefetch order can be used to prefetch