I did some testing yesterday. I upgraded the graphics driver (Nvidia) and
the latency test went from 18 000 to 150 000... I removed the driver and
reconfigured X and came down to a sweet 7 000, but there's something
messing things up as the latency all of a sudden popped up to 15 800.
Running the
On Friday 26 October 2012 04:29:34 Sven Wesley did opine:
I did some testing yesterday. I upgraded the graphics driver (Nvidia)
and the latency test went from 18 000 to 150 000... I removed the
driver and reconfigured X and came down to a sweet 7 000, but there's
something messing things up
Thanks for the flowers Sven. As for still here, I had a birthday a few
days back, and can now truthfully say that I've been 39 and holding, for 39
years, so the shotgun that runs me off will probably resemble Father Time's
Scythe.
That said, the praise we've been giving the Intel D525MW
On 26 October 2012 11:21, Sven Wesley svenne.d...@gmail.com wrote:
Even better, a D525MW would fit _inside_ my servo controller cabinet...
At that point consider a 12V input PicoPSU (assuming there is 12V in
the cabinet) or possibly even a 12V input motherboard (though I don't
think we have
On Friday 26 October 2012 09:14:36 Sven Wesley did opine:
Thanks for the flowers Sven. As for still here, I had a birthday a
few days back, and can now truthfully say that I've been 39 and
holding, for 39 years, so the shotgun that runs me off will probably
resemble Father Time's Scythe.
On 10/26/2012 2:10 AM, Sven Wesley wrote:
I did some testing yesterday. I upgraded the graphics driver (Nvidia) and
the latency test went from 18 000 to 150 000... I removed the driver and
reconfigured X and came down to a sweet 7 000, but there's something
messing things up as the latency all
On Fri, 2012-10-26 at 11:36 -0400, Kent A. Reed wrote:
On 10/26/2012 2:10 AM, Sven Wesley wrote:
I did some testing yesterday. I upgraded the graphics driver (Nvidia) and
the latency test went from 18 000 to 150 000... I removed the driver and
reconfigured X and came down to a sweet 7 000,
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On 10/26/2012 11:19 AM, dave wrote:
Hi Kent,
Offloading to the GPU is a most obvious approach in the manner
of math profs with chalk in the right hand and the eraser in the
left ...it is obvious that. grin
Most of the present day GPU's
Sven Wesley wrote:
I did some testing yesterday. I upgraded the graphics driver (Nvidia) and
the latency test went from 18 000 to 150 000... I removed the driver and
reconfigured X and came down to a sweet 7 000, but there's something
messing things up as the latency all of a sudden popped up
On 10/26/2012 12:19 PM, dave wrote:
On Fri, 2012-10-26 at 11:36 -0400, Kent A. Reed wrote:
blah blah blah
On the plus side, I expect someday to see someone successfully exploit
the GPU to offload some of our CNC calculations from the CPU. The
horsepower is there; it's a matter of timing.
On 10/26/2012 12:36 PM, Charles Steinkuehler wrote:
At my day job, we do a*LOT* of processing with the GPU, and it isn't
really applicable to the LinuxCNC work-load. There aren't nearly
enough parallel calculations required, and latency is a significant
issue. The GPU excels when you need
On Fri, 2012-10-26 at 11:36 -0400, Kent A. Reed wrote:
... snip
People keep downplaying the impact of the graphics subsystem but in my
experience it still ranks ahead of other problems when latency kicks up.
We remain blissfully ignorant of the interplay between the graphics
hardware, its
The 5i25 + 7i77 is as close to dead simple easy as my limited knowledge and
ability could imagine. All of my problems were user error. The combo-pak
comes with firmwares pre-loaded. The only feature I that would have helped
was better A/D input resolution and accuracy, but that is a rather odd
Hmmm -
On 2012-10-26, at 12:44 PM, Kent A. Reed wrote:
On 10/26/2012 12:19 PM, dave wrote:
On Fri, 2012-10-26 at 11:36 -0400, Kent A. Reed wrote:
Most of the present day GPU's wouldn't even strain handling motion the
problem is simply that processors (GPU) are a moving target and
2012/10/26 Kirk Wallace kwall...@wallacecompany.com
On Fri, 2012-10-26 at 11:36 -0400, Kent A. Reed wrote:
... snip
People keep downplaying the impact of the graphics subsystem but in my
experience it still ranks ahead of other problems when latency kicks up.
We remain blissfully ignorant
On 10/26/2012 12:36 PM, Charles Steinkuehler wrote:
The catch will be to see what the latency numbers look like (I don't
have hardware in-hand to play with yet, I'm waiting to see if my TI
rep will get me one of these:http://www.ti.com/tool/tmdssk3358#3 or
if I'll have to buy it myself).
It
On 10/26/2012 02:47 PM, John Stewart wrote:
OpenCL on Linux is ok. At least it was last time I tried it. I started a blog
on some stuff I did OpenCL wise:
http://gpucomputes.blogspot.com
(It was set up not as a technical treatise, but for students) (oh, and I ran
the code on OSX for the
On Fri, 26 Oct 2012, cogoman wrote:
Date: Fri, 26 Oct 2012 19:21:01 -0400
From: cogoman cogo...@optimum.net
Reply-To: Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Using
On 27 October 2012 00:34, Peter C. Wallace p...@mesanet.com wrote:
AFAIK (and I am no expert) the lookahead limitation is not compute bound
but rather structural based on a early design decision
Indeed not. On modern hardware most paths can probably be fully
computed before the end of the
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