 | | | Re: Network rendering problem....this might be one for the Eovi... | Re: Network rendering problem....this might be one for the Eovi... 2005-10-09 - By Bob LaprimeRR
Back
I ran some tests and on a 100meg network it would take a very long time for
the other machine to get the data needed to begin a render. On a complex
scene my main machine would complete the entire scene before the network
machine would start. I noticed that the network switch was constantly
transferring data and figured that this may be a network speed problem.
Once I upgraded to a gigabit network the other machine started it's
rendering very quickly. It was a new machine I built just for network
rendering and had an Athlon 64 3200 processor. My dual proc Athlon MP
2600's, which I used as the master, would render things briskly but having a
faster machine on the network end really makes a difference. The network
blocks took about the same amount of time to render as each one of my master
machine blocks and that included the data transfer time.
Since your network machine has dual procs then it would take twice as long
for the data to get to the other machine. It's sending the information
needed for both blocks. In your case a gigabit switch would probably be a
necessity.
Prices have come down on gigabit switches. I used a Linksys EG005W 5-port
switch and just connected it to my existing network. Most new machines come
with gigabit on the motherboard. If yours doesn't have it, the price of the
cards has come down as well. I check prices online before I buy anything and
www.newegg.com <http://www.newegg.com/> has consistently been close to the
cheapest. In some cases they are a few dollars more but it's worth that to
not have my personal information spread all over the web.
I did run into some problems with the network rendered blocks being pasted
into the picture with pixels. I thought it was plug-ins but I had the same
problem rendering simple scenes without using any plug-ins. Anyone else have
this problem?
Bob Laprime
Proud member of the ASRL - <http://www.asrl.us> http://www.asrl.us
A-Force Ashley Racing - http://www.asrl.us/hosting/aforce
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From: Carrara@(protected) [mailto:Carrara@(protected)] On Behalf Of
cathlametw@(protected)
Sent: Sunday, October 09, 2005 12:31 AM
To: Carrara@(protected)
Subject: Re: [Carrara] Re: Network rendering problem....this might be one
for the Eovi...
In a message dated 10/7/2005 6:01:45 PM Pacific Daylight Time,
LST_5@(protected) writes:
I get two "N" blocks showing on the host machine (the render node
it a daul CPU system remember), and then the host machine sits and
waits for those blocks to render...but they never do (don't even start
rendering)...now I say never...but I haven't actually left it any
longer then about 5min...should it take any longer then 5min? (To start
rendering the "N" blocks that is). The scene I'm rendering is a 16sec
animaton with full raytracing...so it's got lots of work to do.
Hmm, the one thing no one has mentioned yet - is that the N blocks never
look like they are doing anything. What I mean by that, is the ones on
your
host machine show line by line as they are rendering, but the N blocks
don't do
that. They just sit there until they are done and then BLIP they disappear
and show up in the next spot to be rendered. They are always slower to do
their job than the host machine blocks (unless your render machine for some
reason was your super fast CPU and your host machine was a slow dog of a
machine,
I guess). Anyway, I remember the first time I got it going (network
rendering) I thought something was wrong, until one of the gray blocks
disappeared
and showed up further down the picture (and I could see that the area where
it
had first been was done).
So, walk away and come back in awhile and see if those weren't actually
rendering? If your remote computer is really slow, sometimes it can
actually
slow down the render instead of helping.
Naomi
_2D or not 3D, that is the question._ (http://www.sullysdragons.com/)
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