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| 05:31.17 | pujani | What is meaning of VGR? |
| 05:56.19 | mihaineacsu | pujani: [...The benchmark results provide a direct linear metric (called the vgr number) for comparing performance between systems.] http://www.cs.odu.edu/~salam/wsdl/inforet/cleanwiki/BRL-CAD_2b85.txt |
| 05:59.14 | mihaineacsu | reference for perfomance comparison |
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| 13:59.12 | sofat | hello |
| 13:59.14 | sofat | is want to ask one question |
| 13:59.14 | sofat | my question is what is meaning of VGR in brlcad? |
| 13:59.14 | sofat | What is VGR ? |
| 14:00.06 | sofat | hello anyone there? |
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| 14:03.30 | ``Erik | 'vgr' was an old souped up vax11/780 running 43bsd, it was the primary machine early BRL-CAD was developed on |
| 14:04.29 | ``Erik | so when the benchmark suite was designed, it was the reference machine for performance... if your machine scored 2 vgr's, it was twice as fast as the VGR.BRL.MIL machine |
| 14:05.20 | ``Erik | that's it, just an arbitrary unit of performance :) |
| 14:05.44 | ``Erik | a little more plactical than a flop |
| 14:05.57 | ``Erik | practical, srry, being walked on by a cat |
| 14:11.27 | sofat | thank you sir |
| 14:14.19 | ``Erik | np (and if you really want to see how geeky it is, I think the name comes from the first star trek movie) |
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| 17:22.49 | Notify | 03BRL-CAD:iiizzzaaakkk * 62395 brlcad/trunk/src/librt/primitives/tor/tor.c: Correcting spellings within a comment |
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| 18:40.55 | starseeker | well, I tried yanking out the asserts and throws, and now I get a segfault in InScanArea |
| 19:23.09 | Izakey | starseeker Which command is used to test that a primitive's rt_xxx_vshot() function works properly ? |
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| 19:33.23 | brlcad | Izakey: awesome progress on the wireframe |
| 19:34.27 | Izakey | thanks brlcad |
| 19:34.50 | brlcad | nothing in brl-cad currently calls the vshot routines |
| 19:35.12 | Izakey | Ahh! Curiously |
| 19:35.35 | Izakey | Does that mean we need a separate command for that ? |
| 19:37.03 | brlcad | the vshot routines were the start of a data-coherent ray tracing interface where multiple rays are tested against a primitive simultaneously |
| 19:37.15 | brlcad | done right, you can get a 10x or better performance boost |
| 19:37.43 | brlcad | it would be our rt* tools that would use that interface, they currently call rt_shootray() |
| 19:37.59 | brlcad | and one ray at a time is fired/compared against primitives |
| 19:38.17 | brlcad | the idea is to dispatch bundles of rays and call rt_vshootray() instead, which would call the vshot routines |
| 19:39.30 | Izakey | Okay. Makes sense |
| 19:51.02 | Izakey | brlcad My archer doesn't render wireframes after I did an svn up date the other day. have an idea how I can fix this ? |
| 19:57.08 | mihaineacsu | Izakey: do you get a particular message when you try to render it? |
| 19:57.33 | Izakey | mihaineacsu No |
| 19:58.01 | Izakey | I double click on all objects and no wire frame shows up |
| 19:59.10 | Izakey | wonders if he needs a fresh checkout |
| 20:02.13 | mihaineacsu | for now, an easy way out would be to revert to an earlier revision |
| 20:02.50 | Izakey | Hmm. I'll see... |
| 20:08.39 | brlcad | nothing immediate comes to mind that would have caused that, but you could try updating to previous commit revisions until you find a working version, then update forward until you find the broken version |
| 20:08.46 | brlcad | basically a manual binary search |
| 20:09.13 | brlcad | if you can find the commit or a small range of commits where the problem began, it is usually easy/obvious to fix |
| 20:16.27 | Ch3ck_ | brlcad, still waiting for feedback on the patches |
| 20:20.15 | Izakey | thanks brlcad |
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| 20:51.58 | yukonbob | hello #brlcad |
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| 21:35.37 | Notify | 03BRL-CAD:brlcad * 62396 brlcad/trunk/src/conv/3dm/conv3dm-g.cpp: revert c62148 as it removed a comment documenting a magic number (no hard-coded numbers should persist without documentation) |
| 22:04.51 | Notify | 03BRL-CAD:brlcad * 62397 brlcad/trunk/src/libbu/parallel.c: consolidate the sun-only var with the code that uses it to reduce/simplify |
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