Re: [vpp-dev] Will adding fields to existing structures affect performance?

2017-07-15 Thread Dave Barach (dbarach)
-dev-boun...@lists.fd.io [mailto:vpp-dev-boun...@lists.fd.io] On Behalf Of Yuliang Li Sent: Friday, July 14, 2017 8:22 PM To: vpp-dev@lists.fd.io Subject: [vpp-dev] Will adding fields to existing structures affect performance? Hi, The code seems to be highly tuned for cache performance. If I want to

[vpp-dev] Will adding fields to existing structures affect performance?

2017-07-14 Thread Yuliang Li
Hi, The code seems to be highly tuned for cache performance. If I want to add some more fields in the existing structures, are there any performance concerns? For example, if I want to add some fields in the frame structure (vlib_frame_t), are there dangers of affecting performance? Thanks, --