Date: Sun, 15 Dec 2002 17:07:29 -0800 From: "Brian" <bri@sonicboom.org> To: =?iso-8859-1?Q?Rapha=EBl_Ding=E9?= <raphael.dinge@ohmforce.com>, <freebsd-questions@FreeBSD.ORG> Subject: Re: X over ethernet is too much slow... Message-ID: <024b01c2a49f$81fd4650$3224200a@bwhalen> References: <6BFE3574-1080-11D7-961E-00039312D14E@ohmforce.com>
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2 thoughts on this. Using compression flag on the ssh client? processing power of either station getting overwhelmed by the bursty graphics demands. Bri ----- Original Message ----- From: "Raphaël Dingé" <raphael.dinge@ohmforce.com> To: <freebsd-questions@FreeBSD.ORG> Sent: Sunday, December 15, 2002 2:56 PM Subject: X over ethernet is too much slow... > Hi everyone, > > I've the following configuration : > - an ASUS mini-pc with FreeBSD on it, 900 MHz, 256 MBytes, > connected on an ethernet local network. > - 2 PC running Windows with X server via cygwin (each with > 1,4GHz Athlon CPU, 256 MBytes RAM) > - All of them are connected with a 100 Mbits switch. > > Basically in cygwin, I connect to the FreeBSD PC (where there is > loads of software) using ssh and exporting display to the PCs > running Windows. > > This works great, but when there are pictures to load over the > network, it takes a really long time to do. For example if I > start rt2_demo (railroad tycoon 2 demo, available on ports), > picture takes about 2 seconds to load. This is a kind of extreme > test, since games usually contains nothing but pictures. > > given that that game is running at 640x480 which is majored > (very largely) by 1000x1000, one frame will take about 4 MBytes > to transfer (let's say 32bits picture), my switch is about 10 > MBytes/s so I should have one picture in less than 1/3 (shoud be > something like less than 1/4) of second. > > Since I use ssh basic configuration, I thought that this has to > be something with encryption level. I've changed it to do a more > simple one, but this will change absolutely nothing. > > So I must have a misconfigured file or something that might be > related to ssh or perhaps to X bandwidth quota, or frame rate... > What should I do ? > > Well, my question is not about that game, this is just an > example ;) I can see the impact on performance running kword or > opera for example. > > I would be glad on any tips or hints to speed up those, any help > would be greatly appreciated. > > Thanks, > > Raphael > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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