Date: Sun, 20 Aug 1995 20:06:38 -0700 From: "Russell L. Carter" <rcarter@geli.com> To: dyson@freefall.FreeBSD.org, hasty@rah.star-gate.com Cc: hackers@FreeBSD.org, terry@cs.weber.edu Subject: Re: Why Linux? (fwd) Message-ID: <199508210306.UAA17917@geli.clusternet>
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Well, I am getting a lot of questions about why FreeBSD over Linux, and because the data was too sparse I have refused to do it, but I would really like to add this information to http://www.geli.com Nothing about what John reports is news to me. Russell Curious though, I deal with low-latency networking types for a (partial) living, and I have had more than one mention the syscall.s in Linux as the model for syscall overhead. Shouldn't this show up somewhere in user land? |In fact, why don't you get someone or you can do it yourself and |make an html page. This sort of information has to go out and |reach people. | | My sound bits, | Amancio | |>>> John Dyson said: | > 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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