[Xorp-cvs] XORP cvs commit: xorp/bgp

[Andrea Bittau]

CVSROOT:	/usr/local/www/data/cvs
Module name:	xorp
Changes by:	abittau at chum.icir.org	2008-08-06 08:12:09 UTC

XORP CVS repository


Modified files:
	bgp           path_attribute.cc 

Log message:
	upon copying attributes, copy the hash - do not recompute it.  I think that this
	MD5 story needs to be revisited - use CRC32 instead?  Or custom?
	
	9% improvement
	
	before:
	
	[100% shorty test]# ./policybench -p base -v base.var -t 1
	Loading...
	Benchmarking.  Iterations: 100000
	Stats:
	Total time 2178 (ms) iterations 100000
	Iterations/s 45913.682
	Instr  1 Avg Time    264.769    ( 3.94%)
	Instr  2 Avg Time    780.156    (11.62%)
	Instr  3 Avg Time    826.072    (12.30%)
	Instr  4 Avg Time    369.035    ( 5.50%)
	Instr  5 Avg Time    594.807    ( 8.86%)
	Instr  6 Avg Time    216.092    ( 3.22%)
	Instr  7 Avg Time   2803.071    (41.74%)
	Instr  8 Avg Time    387.168    ( 5.77%)
	Instr  9 Avg Time    216.384    ( 3.22%)
	Instr 10 Avg Time    257.371    ( 3.83%)
	
	now:
	
	[100% shorty test]# ./policybench -p base -v base.var -t 1
	Loading...
	Benchmarking.  Iterations: 100000
	Stats:
	Total time 2007 (ms) iterations 100000
	Iterations/s 49825.610
	Instr  1 Avg Time    275.974    ( 4.04%)
	Instr  2 Avg Time    758.357    (11.11%)
	Instr  3 Avg Time    864.031    (12.66%)
	Instr  4 Avg Time    384.784    ( 5.64%)
	Instr  5 Avg Time    553.039    ( 8.10%)
	Instr  6 Avg Time    216.707    ( 3.18%)
	Instr  7 Avg Time   2950.128    (43.23%)
	Instr  8 Avg Time    347.717    ( 5.09%)
	Instr  9 Avg Time    216.458    ( 3.17%)
	Instr 10 Avg Time    257.577    ( 3.77%)

Revision  Changes                              Path
1.94      +4 -2;  commitid: 851a48995cd641a7;  xorp/bgp/path_attribute.cc