On Tue, 19 Apr 2005 21:32:52 -0500, Curtis wrote in message <[EMAIL PROTECTED]>:
> Arnt Karlsen wrote: > > >..ok ;o), did your server do any of the build work, or "just" control > >the build and collect the built tiles? > > > >..I have 3 AMD Duron sitting here, one 1.3 and 2 1.2's, all IDE, and > >clientele hardware, and my own junk, a noisy old 2x550 P3 with swap > >on 5 9G SCSI's, plus some IDE space, and another pile of _old_ junk > >the equivalent of a 1GHz box, to play with to do dry test runs, and > >that could help do the next scenery if I miss this 200 node > >opportunity, there will always be some boxes in those lease firm > >batches with bad memory or some cpu mod to have it stand out of the > >herd, so I play with heterogenous clustering. And thermochemical > >gasification. ;o) > > > > > > I realize you are trying to nail down exactly how much effort is > involved in crunching a world scenery build, but I'm not sure I can > answer with as much detail as you are hoping for. .. ;o) > I know I didn't run a build process on the server, it just handled > nfs. In the early days of the project, I could run an entire build > in a few hours on a 25 node ..when or which version scenery, and node spec back then? And, which kinda cluster, Beowulf or Mosix? Url to it? > linux cluster, but I don't have access to that any more, at least not > at a level where I can abuse it. ..ok, you can still get to it to do as long as they find you and us reasonable not wasting their time fiddling around. ..ops, your build numbers ate away my 2 hour margin: [EMAIL PROTECTED]:~ $ qalc 2*8*24*1700/320000 (1700 * 24 * 8 * 2) / 320000 = 2.04 [EMAIL PROTECTED]:~ $ qalc 8*24*(2400+4500)/320000 (24 * 8 * (4500 + 2400)) / 320000 = 4.14 [EMAIL PROTECTED]:~ $ qalc 8*24*(2400+4400)/320000 (24 * 8 * (4400 + 2400)) / 320000 = 4.08 [EMAIL PROTECTED]:~ $ qalc 8*24*(2400+4200)/320000 (24 * 8 * (4200 + 2400)) / 320000 = 3.96 [EMAIL PROTECTED]:~ $ qalc 8*24*(2400+5600)/320000 (24 * 8 * (5600 + 2400)) / 320000 = 4.8 [EMAIL PROTECTED]:~ $ qalc 8*24*(2400+5800)/320000 (24 * 8 * (5800 + 2400)) / 320000 = 4.92 ..we're talking 4 to 5 hours, depending on your AMD 2.something Ghz box. > You might find you need to stop the build, fiddle around, restart it, > do various things along the way. If you've got a couple boxes, setup > terrager and and play with it, and I think you'll have a much better > idea of what's involved. Then if you do get access to a large number > of machines, you'll be ready to go and won't have to waste time > coming up to speed. ..agreed, in my lab I can do a lot of fiddling. ;o) -- ..med vennlig hilsen = with Kind Regards from Arnt... ;o) ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. _______________________________________________ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
