From owner-freebsd-hackers Wed Feb 1 01:21:52 1995 Return-Path: hackers-owner Received: (from root@localhost) by freefall.cdrom.com (8.6.9/8.6.6) id BAA27641 for hackers-outgoing; Wed, 1 Feb 1995 01:21:52 -0800 Received: from FIMP01.fim.uni-linz.ac.at (fimp01.fim.uni-linz.ac.at [140.78.100.24]) by freefall.cdrom.com (8.6.9/8.6.6) with SMTP id BAA27623 for ; Wed, 1 Feb 1995 01:21:41 -0800 Received: by FIMP01.fim.uni-linz.ac.at (5.57/Ultrix3.0-C) id AA23141; Wed, 1 Feb 95 10:22:53 +0100 Date: Wed, 1 Feb 95 10:22:53 +0100 From: cg@FIMP01.fim.uni-linz.ac.at (DI. Christian Gusenbauer) Message-Id: <9502010922.AA23141@FIMP01.fim.uni-linz.ac.at> To: freebsd-hackers@FreeBSD.org Subject: TCP/IP benchmarking Sender: hackers-owner@FreeBSD.org Precedence: bulk Hi! I had to develop a TCP/IP driver for an Intel 80596 and an Intel 80960 CA. Now, I tried to test its performance and so I connected a DECstation 5000/240 with the i960/80596 and run a benchmark. There were no other machines connected to this segment, and only neccessary programs were running on the DEC. To send 10000 packets from the DEC to the i960 and vice versa, it takes about 20 to 61 seconds (for packets with 128/1536 Byte). To verify these tests, I connected a 486 DX/2 66 MHz running FreeBSD-current and a 386 33 MHz (both boxes with NE2000 comp. network cards) running 1.1.5. I repeated my tests and I have to say, that FreeBSD is much faster! But, starting with packet sizes > 1024 Byte, FreeBSD takes about 120 to 130 seconds to finish the benchmarks and that's much slower. So I want to ask all TCP/IP-hackers if you know, why? Is a packet size of more than 1024 Byte a problem for FreeBSD? Thanks, for all replies! Christian. PS: If you want, you can find my little benchmark "bench.c" on ftp.fim.uni-linz.ac.at:/pub/soft/unix. ----------------------------- DI. Christian Gusenbauer gusenbauer@fim.uni-linz.ac.at