yes. i would venture to say that U computation (or restoration) is somehow corrupted starting with 2nd block. at least it looks this way.
On Thu, Dec 29, 2011 at 12:31 AM, Dmitriy Lyubimov <dlie...@gmail.com> wrote: > A-reconstructed difference looks good up to row 399 but starting at > row 400 differences do not add up to 0 anymore (although both inputs > are not 0). > > So it doesn't look like trivial case of something is not initialized > on top of it. It does seem something to do with blocking mechanism > though since apparently 400th row is a boundary of some blocking > somewhere, but it is hard for me to see where it fails at this point. > > On Thu, Dec 29, 2011 at 12:13 AM, Dmitriy Lyubimov <dlie...@gmail.com> wrote: >> oh. it's because the synthetic input has only 4 singular values. >> >> On Wed, Dec 28, 2011 at 11:56 PM, Dmitriy Lyubimov <dlie...@gmail.com> wrote: >>> But it is not a problem reading U or V files, that's indeed what U and >>> V contain. >>> >>> On Wed, Dec 28, 2011 at 11:49 PM, Dmitriy Lyubimov <dlie...@gmail.com> >>> wrote: >>>> U and V look suspect, degenerate (only 4 first columns are nonzero, >>>> the rest of matrices are zeros. >>>> >>>> On Wed, Dec 28, 2011 at 11:44 PM, Dmitriy Lyubimov <dlie...@gmail.com> >>>> wrote: >>>>> Yeah, fails for me on ubuntu without any special environment issues. >>>>> Which makes it easier, i can step thru. >>>>> >>>>> On Wed, Dec 28, 2011 at 9:01 PM, Ted Dunning <ted.dunn...@gmail.com> >>>>> wrote: >>>>>> What do checksums look like? >>>>>> >>>>>> On Wed, Dec 28, 2011 at 6:33 PM, Grant Ingersoll >>>>>> <gsing...@apache.org>wrote: >>>>>> >>>>>>> I commented out the deletion of the dir in the tearDown. Not sure if >>>>>>> that >>>>>>> looks reasonable or not, but on the surface they look equivalent. >>>>>>> >>>>>>> Here's the contents of the dir on Ubuntu: >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 1632612 2011-12-28 21:17 A-000000000 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 1632612 2011-12-28 21:17 A-000000200 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 1632612 2011-12-28 21:17 A-000000400 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 1632612 2011-12-28 21:17 A-000000600 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 1387722 2011-12-28 21:17 A-000000800 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 168312 2011-12-28 21:17 B-000000000 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 168312 2011-12-28 21:17 B-000000210 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 168312 2011-12-28 21:17 B-000000420 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 168312 2011-12-28 21:17 B-000000630 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 144312 2011-12-28 21:17 B-000000840 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 160412 2011-12-28 21:17 U-0 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 160412 2011-12-28 21:17 U-200 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 160412 2011-12-28 21:17 U-400 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 160412 2011-12-28 21:17 U-600 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 136352 2011-12-28 21:17 U-800 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 168432 2011-12-28 21:17 V-0 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 168432 2011-12-28 21:17 V-1 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 168432 2011-12-28 21:17 V-2 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 168432 2011-12-28 21:17 V-3 >>>>>>> -rw-rw-r-- 1 XXXXXX XXXXXX 144372 2011-12-28 21:17 V-4 >>>>>>> >>>>>>> Here's what my Mac looks like: >>>>>>> total 20296 >>>>>>> -rw-r--r-- 1 XXXXXX staff 1.6M Dec 28 21:28 A-000000000 >>>>>>> -rw-r--r-- 1 XXXXXX staff 1.6M Dec 28 21:28 A-000000200 >>>>>>> -rw-r--r-- 1 XXXXXX staff 1.6M Dec 28 21:28 A-000000400 >>>>>>> -rw-r--r-- 1 XXXXXX staff 1.6M Dec 28 21:28 A-000000600 >>>>>>> -rw-r--r-- 1 XXXXXX staff 1.3M Dec 28 21:28 A-000000800 >>>>>>> -rw-r--r-- 1 XXXXXX staff 164K Dec 28 21:28 B-000000000 >>>>>>> -rw-r--r-- 1 XXXXXX staff 164K Dec 28 21:28 B-000000210 >>>>>>> -rw-r--r-- 1 XXXXXX staff 164K Dec 28 21:28 B-000000420 >>>>>>> -rw-r--r-- 1 XXXXXX staff 164K Dec 28 21:28 B-000000630 >>>>>>> -rw-r--r-- 1 XXXXXX staff 141K Dec 28 21:28 B-000000840 >>>>>>> -rw-r--r-- 1 XXXXXX staff 157K Dec 28 21:28 U-0 >>>>>>> -rw-r--r-- 1 XXXXXX staff 157K Dec 28 21:28 U-200 >>>>>>> -rw-r--r-- 1 XXXXXX staff 157K Dec 28 21:28 U-400 >>>>>>> -rw-r--r-- 1 XXXXXX staff 157K Dec 28 21:28 U-600 >>>>>>> -rw-r--r-- 1 XXXXXX staff 133K Dec 28 21:28 U-800 >>>>>>> -rw-r--r-- 1 XXXXXX staff 164K Dec 28 21:28 V-0 >>>>>>> -rw-r--r-- 1 XXXXXX staff 164K Dec 28 21:28 V-1 >>>>>>> -rw-r--r-- 1 XXXXXX staff 164K Dec 28 21:28 V-2 >>>>>>> -rw-r--r-- 1 XXXXXX staff 164K Dec 28 21:28 V-3 >>>>>>> -rw-r--r-- 1 XXXXXX staff 141K Dec 28 21:28 V-4 >>>>>>> >>>>>>> On Dec 28, 2011, at 7:15 PM, Ted Dunning wrote: >>>>>>> >>>>>>> > Yeah.. but this is a difference from the correct answer. I am >>>>>>> > moderately >>>>>>> > sure that this is a problem writing to the temp directory. >>>>>>> > >>>>>>> > On Wed, Dec 28, 2011 at 3:45 PM, Grant Ingersoll <gsing...@apache.org >>>>>>> >wrote: >>>>>>> > >>>>>>> >> It's expecting the answer to be 0, but it's some really large value. >>>>>>> >> >>>>>>> testSingularValues(org.apache.mahout.math.ssvd.SequentialOutOfCoreSvdTest): >>>>>>> >> expected:<0.0> but was:<4131200.0000000037> >>>>>>> >> >>>>>>> >> >>>>>>> >> On Dec 28, 2011, at 6:30 PM, Ted Dunning wrote: >>>>>>> >> >>>>>>> >>> I think that the answer is 0 because the model is not being read >>>>>>> >>> and we >>>>>>> >> are >>>>>>> >>> swallowing an exception somewhere. This is what an uninitialized >>>>>>> matrix >>>>>>> >>> would give as a result. >>>>>>> >>> >>>>>>> >>> On Wed, Dec 28, 2011 at 3:21 PM, Grant Ingersoll >>>>>>> >>> <gsing...@apache.org >>>>>>> >>> wrote: >>>>>>> >>> >>>>>>> >>>> I can reproduce outside of Jenkins. It really seems odd that the >>>>>>> answer >>>>>>> >>>> is off by so much. >>>>>>> >>>> >>>>>>> >>>> On Dec 28, 2011, at 2:15 AM, Dmitriy Lyubimov wrote: >>>>>>> >>>> >>>>>>> >>>>> I vaguely remember Jenkins had problems with creating stuff in >>>>>>> >>>>> Java >>>>>>> tmp >>>>>>> >>>>> dir. E.g. I remember that was creating problems for Mr tasks in >>>>>>> >>>>> local >>>>>>> >> mr >>>>>>> >>>>> mode legitimately using boxed task temporary space. >>>>>>> >>>>> >>>>>>> >>>>> OK I'll try to scan for the problem tomorrow. >>>>>>> >>>>> On Dec 27, 2011 10:50 PM, "Ted Dunning" <ted.dunn...@gmail.com> >>>>>>> wrote: >>>>>>> >>>>> >>>>>>> >>>>>> So I am like everybody else. The test works for me. >>>>>>> >>>>>> >>>>>>> >>>>>> My suspicion is that there is something going on with the >>>>>>> >>>>>> temporary >>>>>>> >>>>>> directory that I am trying to use and that the environment that >>>>>>> >> Jenkins >>>>>>> >>>> is >>>>>>> >>>>>> using is somehow strange. >>>>>>> >>>>>> >>>>>>> >>>>>> The only slightly surprising idiom I am using is to create a >>>>>>> temporary >>>>>>> >>>>>> file, delete it and recreate it as a directory. I even check the >>>>>>> >> return >>>>>>> >>>>>> values from the delete and the mkdir. >>>>>>> >>>>>> >>>>>>> >>>>>> I will keep looking. >>>>>>> >>>>>> >>>>>>> >>>>>> On Tue, Dec 27, 2011 at 10:37 PM, Ted Dunning < >>>>>>> ted.dunn...@gmail.com> >>>>>>> >>>>>> wrote: >>>>>>> >>>>>> >>>>>>> >>>>>>> Indeed it does. Thanks for pointing that out. >>>>>>> >>>>>>> >>>>>>> >>>>>>> This error is very strange. >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> On Tue, Dec 27, 2011 at 10:06 PM, Dmitriy Lyubimov < >>>>>>> >> dlie...@gmail.com >>>>>>> >>>>>>> wrote: >>>>>>> >>>>>>> >>>>>>> >>>>>>>> Ted, >>>>>>> >>>>>>>> >>>>>>> >>>>>>>> do you have an idea why this test may be failing? I think this >>>>>>> test >>>>>>> >>>>>> comes >>>>>>> >>>>>>>> with M-792 commit. >>>>>>> >>>>>>>> >>>>>>> >>>>>>>> I can take a look at it, I suspect something in the environment >>>>>>> can >>>>>>> >> be >>>>>>> >>>>>>>> tripping it. >>>>>>> >>>>>>>> On Dec 27, 2011 8:54 PM, "Sean Owen" <sro...@gmail.com> wrote: >>>>>>> >>>>>>>> >>>>>>> >>>>>>>>> It's all errors in the Apache infrastructure, rather than a >>>>>>> >>>>>>>>> real >>>>>>> >> test >>>>>>> >>>>>>>>> failure. At least, stuff passes for me locally, and that's >>>>>>> >>>>>>>>> what's >>>>>>> >>>>>>>>> important. >>>>>>> >>>>>>>>> So I'm ignoring these. >>>>>>> >>>>>>>>> >>>>>>> >>>>>>>>> On Tue, Dec 27, 2011 at 9:34 PM, Jeff Eastman >>>>>>> >>>>>>>>> <jeast...@windwardsolutions.com> wrote: >>>>>>> >>>>>>>>>> I'm getting a lot of these emails yet all the tests run >>>>>>> >>>>>>>>>> locally >>>>>>> >> for >>>>>>> >>>>>>>> me. >>>>>>> >>>>>>>>> Does >>>>>>> >>>>>>>>>> anybody have an idea what the problem is? This close to a >>>>>>> release >>>>>>> >> it >>>>>>> >>>>>>>>> would >>>>>>> >>>>>>>>>> be really nice to have Jenkins on our side. >>>>>>> >>>>>>>>>> Jeff >>>>>>> >>>>>>>>>> >>>>>>> >>>>>>>>> >>>>>>> >>>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>>> >>>> >>>>>>> >>>> -------------------------------------------- >>>>>>> >>>> Grant Ingersoll >>>>>>> >>>> http://www.lucidimagination.com >>>>>>> >>>> >>>>>>> >>>> >>>>>>> >>>> >>>>>>> >>>> >>>>>>> >> >>>>>>> >> -------------------------------------------- >>>>>>> >> Grant Ingersoll >>>>>>> >> http://www.lucidimagination.com >>>>>>> >> >>>>>>> >> >>>>>>> >> >>>>>>> >> >>>>>>> >>>>>>> -------------------------------------------- >>>>>>> Grant Ingersoll >>>>>>> http://www.lucidimagination.com >>>>>>> >>>>>>> >>>>>>> >>>>>>>