Date: Sun, 20 Aug 1995 18:48:39 -0700 From: John Dyson <dyson> To: hasty@rah.star-gate.com, terry@cs.weber.edu Cc: hackers@FreeBSD.org Subject: Re: Why Linux? (fwd) Message-ID: <199508210148.SAA01536@freefall.FreeBSD.org>
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I just did a competitive performance analysis of FreeBSD vs. Linux. I can't say that FreeBSD was the CLEAR winner, but it was much faster in many key areas. The only place that I can see that Linux is architecturally faster is in the async filesystem stuff. Generally, FreeBSD's networking (TCP) is at least 50% faster. FreeBSD's VM stuff is much faster. I cannot see where people say that Linux needs less memory either. I ran some memory loading benchmarks on FreeBSD and Linux, where FreeBSD was a generic kernel and Linux was a "nice" subset V1.3.20. It appears that FreeBSD handles loads much better. Also, when running Linux I noticed an "old-friend" -- the bouncy SVR3 feel. Things generally appear to run a bit slower on Linux, including sequential file I/O. I am sure that Linux can fix up these minor performance nits, but it does seem to run ok. I have results on request -- I just don't want to post them yet. If there is a big demand, I will though.. John dyson@root.com
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