Re: [hugin-ptx] Re: Hardware: Cost efficient cluster for stitching?

2012-01-13 Thread legranblon

Hi all,

Jan,

I don't run such a cluster, but if I where running this, without 
effective cooling, I would choose motherboards like Jetway JNC96-525 
Fanless Dual Core Atom Mini-ITX Board with 12V DC Input. You can put 4 
GB DDR2 per motherboard which I think is enough.
Processors is low power, so you can put a bunch of these on one single 
standard atx PSU (I think it's about 40W per motherboard at max power 
consumption, one -600W sold- PSU should run 8 motherboards), see this 
link : http://www.mini-itx.com/projects/cluster/default.asp?page=1 .
For interconnects, a gigabit ethernet switch can be used since the board 
embeds gigabit controler.
I do not know anything about the performance such setup can get, but the 
performances of such processors are far lower than traditional desktop 
chips, so it could be expensive to build efficient setup on this base.


If you have a good cooling and supply solution, you should consider AMD 
Athlon II X2 270 AM3 (~65€) with Asrock N68-S3 UCC (max memory of 8 GB 
DDR3) (~40€).


I'd be pleased to know that such a setup (10 motherboards to follow your 
suggestion, no mater if it's atom or amd X2 based) can run 6 times 
faster than a six cores AMD. I just know that with a good scaling ratio 
on professional software, in order to divide computing time of one 
computer by two (just little fewer than two), you need to take two 
similar computers (with 40Gb/s link between, of course).


Tip : for computation only, if you run linux, I think that you can just 
boot all nodes with PXE or similar boot over ethernet, but I've no 
experience that way.


Sorry if it seems brain-dead, I'm quite tired 8-| .

Cheers,
legranblon

Jan Martin wrote:

It is time to reveal a few more facts to allow for better judgment.

Each image set is 13.2 MB per panorama only.
Stitching, blending, cubing and tiling needs 8.5 seconds altogether on 
a 6 core AMD PC for USD 750.


What I am looking for is to build a cluster from many cheap boards and 
CPUs, that provides a better performance per Dollar.

Not a fast PC on a budget.

Something like 10 boards of 150 USD each that provide 6 times the 
performance, bust just cost twice.


Is there really nobody whom runs a rendering farm?
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Re: [hugin-ptx] Re: Hardware: Cost efficient cluster for stitching?

2012-01-13 Thread Zachary
i think you sent this to the wrong person i just tried to post a 
question about hugin that's probably where you got mu email from


On 1/12/2012 7:35 PM, Chris Erskine wrote:

how much ram is it using?

and have you tried running muiltiple renders on your 6 core amd?

my first thought is your transfer speed may become a bottleneck.

my thought would be to get an intel 2600 enough ram to cover 8 jobs at 
once and an ssd that good at multitreaded read.


though it may run faster to disable hyperthreading and just run 4 jobs 
at once.



On Fri, Jan 13, 2012 at 3:23 AM, Tim Nugent timnug...@gmail.com 
mailto:timnug...@gmail.com wrote:


Have a look at Xbox (and maybe PS3 - not sure if these still let
you run Linux) clusters. Lots of people are going to be building
clusters using Raspberry Pi's when they go on sale hopefully later
this month (700Mhz ARM/Linux machines for ~$25). Whether or not
you get the performance you're after, it'd be a fun project
putting something like that together. I have quite a lot of
experience with Sun Grid Engine on very large/expensive compute
clusters and Hugin jobs run fine.

Tim


On 12 January 2012 14:49, Jan Martin janmar...@diy-streetview.org
mailto:janmar...@diy-streetview.org wrote:

It is time to reveal a few more facts to allow for better
judgment.

Each image set is 13.2 MB per panorama only.
Stitching, blending, cubing and tiling needs 8.5 seconds
altogether on a 6 core AMD PC for USD 750.

What I am looking for is to build a cluster from many cheap
boards and CPUs, that provides a better performance per Dollar.
Not a fast PC on a budget.

Something like 10 boards of 150 USD each that provide 6
times the performance, bust just cost twice.

Is there really nobody whom runs a rendering farm?

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Re: [hugin-ptx] Re: Hardware: Cost efficient cluster for stitching?

2012-01-13 Thread Chris Erskine
have you seen this?
http://helmer.sfe.se/

its a couple of years old now, and I'd prob do it now something like the
2600. or i guess more of them with a cheaper chip. but that it a good cpu
for the price

the other option you can go is something like a 4p opteron system with
either 32 or 48 cores. if you get the base cpu they work out quite well
price/performance. though you would need a fast storage to feed it. and you
probably would want to make a bunch of virtual machines out of it.

I'm not sure which hugin would prefer but your work load is probably more
suited to more low end nodes.

here's a list cpu's value/performance
http://www.cpubenchmark.net/cpu_value_available.html



On Fri, Jan 13, 2012 at 12:21 PM, Zachary rock...@circleoaks.com wrote:

  i think you sent this to the wrong person i just tried to post a question
 about hugin that's probably where you got mu email from


 On 1/12/2012 7:35 PM, Chris Erskine wrote:

 how much ram is it using?

 and have you tried running muiltiple renders on your 6 core amd?

 my first thought is your transfer speed may become a bottleneck.

 my thought would be to get an intel 2600 enough ram to cover 8 jobs at
 once and an ssd that good at multitreaded read.

 though it may run faster to disable hyperthreading and just run 4 jobs at
 once.


 On Fri, Jan 13, 2012 at 3:23 AM, Tim Nugent timnug...@gmail.com wrote:

 Have a look at Xbox (and maybe PS3 - not sure if these still let you run
 Linux) clusters. Lots of people are going to be building clusters using
 Raspberry Pi's when they go on sale hopefully later this month (700Mhz
 ARM/Linux machines for ~$25). Whether or not you get the performance you're
 after, it'd be a fun project putting something like that together. I have
 quite a lot of experience with Sun Grid Engine on very large/expensive
 compute clusters and Hugin jobs run fine.

  Tim


 On 12 January 2012 14:49, Jan Martin janmar...@diy-streetview.orgwrote:

 It is time to reveal a few more facts to allow for better judgment.

 Each image set is 13.2 MB per panorama only.
 Stitching, blending, cubing and tiling needs 8.5 seconds altogether on a
 6 core AMD PC for USD 750.

 What I am looking for is to build a cluster from many cheap boards and
 CPUs, that provides a better performance per Dollar.
 Not a fast PC on a budget.

 Something like 10 boards of 150 USD each that provide 6 times the
 performance, bust just cost twice.

 Is there really nobody whom runs a rendering farm?

 --
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[hugin-ptx] Re: Hardware: Cost efficient cluster for stitching?

2012-01-12 Thread Naked Robot
So your 5x GoPro 360 pano rig is working out well then, Jan? :)

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Re: [hugin-ptx] Re: Hardware: Cost efficient cluster for stitching?

2012-01-12 Thread Naked Robot
You're in a country with fast internet. Get a faster internet connection :)

You can also mail Amazon your hard disks (yes really)

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Re: [hugin-ptx] Re: Hardware: Cost efficient cluster for stitching?

2012-01-12 Thread Naked Robot
Ok, :) if you want a normal pc, 


-core i7
-24GB ram
-SSD x2
-cheap gpu
-good psu

should be about 800 euro or less. should be very very fast.

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Re: [hugin-ptx] Re: Hardware: Cost efficient cluster for stitching?

2012-01-12 Thread Jan Martin
It is time to reveal a few more facts to allow for better judgment.

Each image set is 13.2 MB per panorama only.
Stitching, blending, cubing and tiling needs 8.5 seconds altogether on a 6
core AMD PC for USD 750.

What I am looking for is to build a cluster from many cheap boards and
CPUs, that provides a better performance per Dollar.
Not a fast PC on a budget.

Something like 10 boards of 150 USD each that provide 6 times the
performance, bust just cost twice.

Is there really nobody whom runs a rendering farm?

-- 
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Re: [hugin-ptx] Re: Hardware: Cost efficient cluster for stitching?

2012-01-12 Thread Tim Nugent
Have a look at Xbox (and maybe PS3 - not sure if these still let you run
Linux) clusters. Lots of people are going to be building clusters using
Raspberry Pi's when they go on sale hopefully later this month (700Mhz
ARM/Linux machines for ~$25). Whether or not you get the performance you're
after, it'd be a fun project putting something like that together. I have
quite a lot of experience with Sun Grid Engine on very large/expensive
compute clusters and Hugin jobs run fine.

Tim

On 12 January 2012 14:49, Jan Martin janmar...@diy-streetview.org wrote:

 It is time to reveal a few more facts to allow for better judgment.

 Each image set is 13.2 MB per panorama only.
 Stitching, blending, cubing and tiling needs 8.5 seconds altogether on a 6
 core AMD PC for USD 750.

 What I am looking for is to build a cluster from many cheap boards and
 CPUs, that provides a better performance per Dollar.
 Not a fast PC on a budget.

 Something like 10 boards of 150 USD each that provide 6 times the
 performance, bust just cost twice.

 Is there really nobody whom runs a rendering farm?

  --
 You received this message because you are subscribed to the Google Groups
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 To unsubscribe from this group, send email to
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Re: [hugin-ptx] Re: Hardware: Cost efficient cluster for stitching?

2012-01-12 Thread Chris Erskine
how much ram is it using?

and have you tried running muiltiple renders on your 6 core amd?

my first thought is your transfer speed may become a bottleneck.

my thought would be to get an intel 2600 enough ram to cover 8 jobs at once
and an ssd that good at multitreaded read.

though it may run faster to disable hyperthreading and just run 4 jobs at
once.


On Fri, Jan 13, 2012 at 3:23 AM, Tim Nugent timnug...@gmail.com wrote:

 Have a look at Xbox (and maybe PS3 - not sure if these still let you run
 Linux) clusters. Lots of people are going to be building clusters using
 Raspberry Pi's when they go on sale hopefully later this month (700Mhz
 ARM/Linux machines for ~$25). Whether or not you get the performance you're
 after, it'd be a fun project putting something like that together. I have
 quite a lot of experience with Sun Grid Engine on very large/expensive
 compute clusters and Hugin jobs run fine.

 Tim


 On 12 January 2012 14:49, Jan Martin janmar...@diy-streetview.org wrote:

 It is time to reveal a few more facts to allow for better judgment.

 Each image set is 13.2 MB per panorama only.
 Stitching, blending, cubing and tiling needs 8.5 seconds altogether on a
 6 core AMD PC for USD 750.

 What I am looking for is to build a cluster from many cheap boards and
 CPUs, that provides a better performance per Dollar.
 Not a fast PC on a budget.

 Something like 10 boards of 150 USD each that provide 6 times the
 performance, bust just cost twice.

 Is there really nobody whom runs a rendering farm?

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Re: [hugin-ptx] Re: Hardware: Cost efficient cluster for stitching?

2012-01-12 Thread Jan Martin
It uses max. 4 GB of RAM.

It runs 6 times in parallel on a six core machine.
According to the gnome-system-monitor all 6 cores are at 100% nearly all
the time.

Jan



On Fri, Jan 13, 2012 at 1:35 AM, Chris Erskine stupid.tour...@gmail.comwrote:

 how much ram is it using?

 and have you tried running muiltiple renders on your 6 core amd?

 my first thought is your transfer speed may become a bottleneck.

 my thought would be to get an intel 2600 enough ram to cover 8 jobs at
 once and an ssd that good at multitreaded read.

 though it may run faster to disable hyperthreading and just run 4 jobs at
 once.


 On Fri, Jan 13, 2012 at 3:23 AM, Tim Nugent timnug...@gmail.com wrote:

 Have a look at Xbox (and maybe PS3 - not sure if these still let you run
 Linux) clusters. Lots of people are going to be building clusters using
 Raspberry Pi's when they go on sale hopefully later this month (700Mhz
 ARM/Linux machines for ~$25). Whether or not you get the performance you're
 after, it'd be a fun project putting something like that together. I have
 quite a lot of experience with Sun Grid Engine on very large/expensive
 compute clusters and Hugin jobs run fine.

 Tim


 On 12 January 2012 14:49, Jan Martin janmar...@diy-streetview.orgwrote:

 It is time to reveal a few more facts to allow for better judgment.

 Each image set is 13.2 MB per panorama only.
 Stitching, blending, cubing and tiling needs 8.5 seconds altogether on a
 6 core AMD PC for USD 750.

 What I am looking for is to build a cluster from many cheap boards and
 CPUs, that provides a better performance per Dollar.
 Not a fast PC on a budget.

 Something like 10 boards of 150 USD each that provide 6 times the
 performance, bust just cost twice.

 Is there really nobody whom runs a rendering farm?

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