OSPF performance/SPF calculations

2010-04-21 Thread Joakim Tjernlund
I am using Quagga ATM but I had a quick look at BIRD and I got a few observations. The LSA/checksum code seem very inefficient. LSAs are built allocating/reallocing bits of memory. This is slow and will case memory fragmentation. The fletcher checksum is very slow as it has extra tests in the h

Re: OSPF performance/SPF calculations

2010-04-21 Thread Ondrej Zajicek
On Wed, Apr 21, 2010 at 09:41:47AM +0200, Joakim Tjernlund wrote: > I am using Quagga ATM but I had a quick look at BIRD and I got a few > observations. Hello. Thank you for your tips and notes. > The LSA/checksum code seem very inefficient. > LSAs are built allocating/reallocing bits > of memory

Re: OSPF performance/SPF calculations

2010-04-21 Thread Joakim Tjernlund
Ondrej Zajicek wrote on 2010/04/21 20:15:07: > On Wed, Apr 21, 2010 at 09:41:47AM +0200, Joakim Tjernlund wrote: > > I am using Quagga ATM but I had a quick look at BIRD and I got a few > > observations. > > Hello. Thank you for your tips and notes. > > > The LSA/checksum code seem very inefficien