Re: [dpdk-dev] [PATCH] app/test: remove large lpm test head file

["Dai, Wei" <wei.dai@intel.com>]

> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com]
> Sent: Monday, September 26, 2016 5:56 PM
> To: Dai, Wei <wei.dai@intel.com>
> Cc: dev@dpdk.org; Richardson, Bruce <bruce.richardson@intel.com>
> Subject: Re: [dpdk-dev] [PATCH] app/test: remove large lpm test head file
> 
> 2016-09-26 17:37, Wei Dai:
> > remove the large file app/test/test_lpm_routes.h and add codes to
> > auto-generate similar large route rule talbe which keeps same depth
> > and IP class distribution as previous one in test_lpm_routes.h .
> > With the rule table auto-generated at run time, the performance of
> > looking up keep similar to that from pervious constant talbe.
> >
> > Signed-off-by: Wei Dai <wei.dai@intel.com>
> > ---
> >  app/test/test_lpm.c        |       2 +-
> >  app/test/test_lpm_perf.c   |     268 +-
> >  app/test/test_lpm_routes.h | 1076861
> > -----------------------------------------
> >  3 files changed, 266 insertions(+), 1076865 deletions(-)  delete mode
> > 100644 app/test/test_lpm_routes.h
> 
> Whaouh! Good news :)
> This file is 21 MB. It should help to reduce the size of a tarball.
> Are you working also on the IPv6 flavour? (7 MB to save)

Yes, I am designing an algorithm to auto-generate LPM IPv6 test route rule and test input data.

As the number of next table to be checked during a looking-up varies much more and depends on
the pre-injected rule sets, to keep the similar performance for looking-up is more difficult than IPv4.

Regards
/Wei