/srv/irclogs.ubuntu.com/2012/06/15/#ubuntu-arm.txt

GrueMasterhttp://www.phoronix.com/scan.php?page=article&item=phoronix_effimass_cluster00:11
lilstevieGrueMaster: wow, 6 pandaboard ES clustered was heaps more efficient than the atom, that is unexpected00:42
infinitylilstevie: It's an Atom 330, that's not a useful or fair comparison.00:44
lilstevieinfinity: yeah just realized, old as atom00:45
infinitylilstevie: Oldest Atom core there is, yeah.00:45
lilsteviethe z530 atom was also less efficient too though00:46
infinitylilstevie: z530 is the same vintage.00:47
infinitylilstevie: Both are 45mn non-SoC cores from 2008.00:47
infinitylilstevie: A comparison with something from this year would be much more interesting.00:47
lilstevieah00:47
lilstevieI didn't know where the z530 fit00:47
lilsteviethe medfield atom would be interesting00:48
infinityIndeed.00:48
lilsteviealso would be interesting to see performance of something like the S4 in the same situation00:50
infinityWell, it would also be interesting to make that an OpenCL cluster, and let the AMD Fusion actually use its GPU.00:51
infinityPerf/W could skew a bit there.00:51
infinityCause it's powered up, despite it not being used.00:51
lilstevieyeah00:52
infinity(Though this is true of the PVR on the OMAP4 as well, there's no way it can come close to delivering the performance of the on-die Radeon on the Fusion)00:52
lilstevieagreed00:52
lilsteviebut then use the tegra powered openCL rig and see how that one goes :p00:52
infinityHas anyone mangled OpenCL for the Tegra yet?00:53
lilsteviethat isn't an on-die gpu though00:53
infinity"Tegra does not currently support CUDA or OpenCL. NVIDIA believes in and invests heavily in GPGPU computing so this is an area we're investigating but do not have any announcements for Tegra at this time."00:54
lilstevieyeah00:54
lilstevienot likely to happen00:54
lilstevie:p00:54
infinityOh, right, I remember researching this before.  There was some internal corporate fear that supporting CUDA and OpenCL on the Tegra parts would cut into other business units.00:55
infinityCause one could ditch the x86/GeForce clusters and build Tegra clusters instead.00:55
infinityTo which, I say, "let 'em", cause they'd still hit two different HPC markets.00:55
infinityGiven the workload-per-core characteristics would be dissimilar.00:56
infinityBut, arguing with management over money issues is never easy.00:56
lilstevieheh00:56
infinityThat actually puts AMD in a unique situation.  I wonder if they realise this and have tried selling into that market more heavily.00:58
infinityCause, one would think, bang-for-buck, Fusion would beat Atom, i7, and any ARM part for an OpenCL solution.00:59
lilstevieyeah00:59
lilstevieimagine how killer they could be with tegra if they put their gpu tech to work though, full OpenGL rather than just the embedded standard01:00
infinityYeah, it could be shiny.01:01
lilstevieI can't see why the ULP GeForce would be ruined with GL01:01
infinityI'd also love to see an AMD ARM part, but I suspect they don't have the spare cash flying around internally to hedge their bets on forking their CPU division.01:01
lilstevieyeah01:02
infinityAnd no, there's no reason whatsoever that the GeForce on the Tegra couldn't support full OpenGL, it was a conscious decision not to.01:02
infinityPartially because of the CUDA/shader/CL concerns and, of course, because GLES is the mobile standard.01:03
lilstevieyeah, well GLES being the mobile standard isn't so much of a problem01:03
lilstevieyou could handle compat in driver really01:04
infinityBut, from what I understand, it's just a "normal" GeForce under the hood.01:04
infinityLike, electrically.01:04
lilstevieI suspect you may be right with CUDA/shader/CL01:04
lilstevieyeah01:04
lilsteviethats what I have heard too01:04
lilstevieit will be better if the open driver ever makes it too01:05
lilsteviethe nvidia ones are pretty bad01:05
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infinitylilstevie: Pretty bad is an understatement.01:14
lilstevieinfinity: well I have a tegra3 device and it is pretty bad, but the earlier drivers were way worse on the trimslice01:18
lilstevie:p01:18
prpplagueho ho hum01:28
_william_Hi all :)12:22
_william_i'd like to setup a chrooted environment and i'm looking for packages repositories in order to add software into the chroot. Is there some ARM repo existing ?12:23
ogra__william_, http://ports.ubuntu.com/ubuntu-ports/13:51
ogra_use that as the mirror in your sources.list13:51
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mlankhorst*sighs at binary drivers* immediately know when they're loaded because you start seeing glitches :\20:04
mahmohdoes /etc/flash-kernel.conf get used any longer with Quantal flash-kernel?22:01
GrueMastermahmoh: Simple test.  Delete it (or change it) and see what flash-kernel does.22:36
dannfmahmoh: no ref to it in the source i can find22:49

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