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task #13313: MingW issues for Octave built w --enable-64

Submitter:  Philip Nienhuis <philipnienhuis>
Submitted:  Fri 05 Sep 2014 07:43:25 PM UTC
   
 
Should Start On:  Thu 04 Sep 2014 10:00:00 PM UTC Should be Finished on:  Thu 04 Sep 2014 10:00:00 PM UTC
Category:  None Priority:  5 - Normal
Status:  None Privacy:  Public
Assigned to:  None Originator Name:  Philip Nienhuis
Open/Closed:  Closed Fixed Release:  None
Planned Release:  None

Discussion locked!

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Sat 06 Aug 2022 10:46:22 AM UTC, comment #10: 

Almost 8 years and many successfull 64-bit builds later I think this task had better be closed :-)

Philip Nienhuis <philipnienhuis>
Group Member
Sat 10 Oct 2015 07:03:40 PM UTC, comment #9: 

Can this task be closed now?

AFAICS there are just one or two OF packages that do not build properly with 64-bit indexing; JohnD has fixed several others.

I had a test run with a 64-bit build (cset 56333f6df823, Oct. 10, 2015) on Windows with _run_test_suite_ and got only 3 fails now, all related to tolerances that appear insignificant to me (but OK that's just me):

axis.m:

ASSERT errors for:  assert (axis (),[1e-5, 10, -10, -1e-5])

  Location  |  Observed  |  Expected  |  Reason
    (1)         1e-005       1e-005      Abs err 5.0822e-021 exceeds tol 0
    (4)        -1e-005      -1e-005      Abs err 5.0822e-021 exceeds tol 0


lscov.m:

ASSERT errors for:  assert (b2,[b, 2 * b],eps)

  Location  |  Observed  |  Expected  |  Reason
   (3,2)       -0.2624      -0.2624      Abs err 2.7756e-016 exceeds tol 2.2204e-016


assert.m:

ASSERT errors for:  assert (y1,y2,eps (y1))

  Location  |  Observed  |  Expected  |  Reason
    (11)        1e-060       1e-060      Abs err 4.1454e-076 exceeds tol 1.3818e-076
    (13)        1e-056       1e-056      Abs err 3.3959e-072 exceeds tol 1.132e-072
    (14)        1e-054       1e-054      Abs err 4.3467e-070 exceeds tol 1.4489e-070
    (19)        1e-044       1e-044      Abs err 3.7338e-060 exceeds tol 1.2446e-060
    (22)        1e-038       1e-038      Abs err 2.6101e-054 exceeds tol 1.3051e-054
    (23)        1e-036       1e-036      Abs err 3.341e-052 exceeds tol 1.6705e-052
    (27)        1e-028       1e-028      Abs err 2.2421e-044 exceeds tol 1.121e-044
    (29)        1e-024       1e-024      Abs err 3.6734e-040 exceeds tol 1.8367e-040


Philip Nienhuis <philipnienhuis>
Group Member
Sun 05 Oct 2014 02:53:22 PM UTC, comment #8: 

I checked in the following changeset.  It seems to fix the strange problem with the loop counter in the eig.cc tests.

http://hg.savannah.gnu.org/hgweb/octave/rev/0279c601b49c

I'm not sure why this fix works to avoid that problem.  But either way, it seems better to me that we use a consistent method for calculating the elements of the range and I think the best way to do that is to perform that calculation in a method in the Range class instead of duplicating the code elsewhere.

John W. Eaton <jwe>
Group administrator
Thu 11 Sep 2014 01:44:25 PM UTC, comment #7: 

Sorry I didn't initially understand what you meant with "out of range inside the test function itself".
Only later on I found that all tests in eig.cc_tst pass when run by hand and that the problem lies in test.m itself.

I stepped through Octave-3.8.2's test.m (applying it to eig.cc_tst with test #17 uncommented); I found that as soon as the loop counter __i in L.244 gets > 16 it doesn't get to be 17 as expected, but instead turns into 1.0224e-314. Looks like an erroneous cast from double to integer, or wraparound (but I'd rather expect wraparound when __i goes from 15 to 16).

In libinterp/octave-value/ov.h there's the following (L. 180-191):

===========<QUOTE>===========
  // FIXME: these are kluges.  They turn into doubles
  // internally, which will break for very large values.  We just use
  // them to store things like 64-bit ino_t, etc, and hope that those
  // values are never actually larger than can be represented exactly
  // in a double..

#if defined (HAVE_LONG_LONG_INT)
  octave_value (long long int i);
#endif
#if defined (HAVE_UNSIGNED_LONG_LONG_INT)
  octave_value (unsigned long long int i);
#endif
===========</QUOTE>===========

Could that be related to what we see in test.m ? Or is it a problem in the interpreter, triggered/provoked by the try-catch blocks in test.m?
Could that also be a relation with the tolerances seen in failing tests for e.g., axis.m and assert.m in my original post?

Philip Nienhuis <philipnienhuis>
Group Member
Sun 07 Sep 2014 02:49:22 PM UTC, comment #6: 

I suppose people would want 64-bit Octave with 64-bit indexing. Isn't that the point of 64-bit?

Didn't you get FAILs in eig.cc-tst before you checked in that cs? (I'm referring to the last 4 input validation tests in eigs.cc-tst.) I got those consistently with --enable-64.
Indeed eigs.cc tests pass fine on Octave built for Linux (Mageia-4 64 bit).
I suppose a compiler bug cannot be ruled out. I got those FAILs also before gcc in MXE was upgraded to 4.9.0. But indeed - maybe those tests are too lax and simply don't trigger on Linux. I'd expect (= hope for) identical behavior on Linux and Windows.


OT: What is the reason that Ghostcript isn't built for 64-bit Octave? didn't it get built properly with mingw-64?

Philip Nienhuis <philipnienhuis>
Group Member
Sun 07 Sep 2014 10:52:42 AM UTC, comment #5: 

I checked in the following change

  http://hg.octave.org/mxe-octave/rev/1220a9158bc1

to make building a 64-bit Windows binary independent of building Octave with 64-bit indexing.

Interestingly, after building with --enable-windows-64 and not --enable-64, I get the same strange failure in eigs.cc-tst about an index being out of range inside the test function itself.  That seems to indicate that this problem is not related to 64-bit indexing in Octave.  Further, since this doesn't happen on my 64-bit Debian system, perhaps this is a compiler bug that is specific to Windows systems?  Or the bug is present on both systems, and it just doesn't cause a problem on the Debian system purely by chance?

John W. Eaton <jwe>
Group administrator
Fri 05 Sep 2014 09:16:09 PM UTC, comment #4: 

The improved speed you see might just be that w64 is better than w32.

I don't think there is currently a way to ask for a w64 build without also building for 64-bit indexing, but these concepts should probably be separate, same as they are for other 64-bit operating systems where Fortran integers (and thus Octave indexing) is normally 32-bits instead of 64-bits.

John W. Eaton <jwe>
Group administrator
Fri 05 Sep 2014 08:46:20 PM UTC, comment #3: 

(I posted this all in the Task tracker as I suppose 64-bit builds do not have a relatively high priority at present.)

Unstable Octave
===============

MXE (cross-)builds for MinGW with --enable-64 break on qthandles (both 3.9.0+ and 4.1.0+):


:
/home/philip/devel/octdev/mxe/mxe201409_64/tmp-octave/octave-3.9.0+/libgui/graphics/QtHandlesUtils.cc: In function 'QImage QtHandles::Utils::makeImageFromCData(const octave_value&, int, int)':
/home/philip/devel/octdev/mxe/mxe201409_64/tmp-octave/octave-3.9.0+/libgui/graphics/QtHandlesUtils.cc:223:33: error: no matching function for call to 'qMin(octave_idx_type&, int&)'
       int w = qMin (dv(1), width);
                                 ^
/home/philip/devel/octdev/mxe/mxe201409_64/tmp-octave/octave-3.9.0+/libgui/graphics/QtHandlesUtils.cc:223:33: note: candidate is:
In file included from /home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtCore/qnamespace.h:45:0,
                 from /home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtCore/qobjectdefs.h:45,
                 from /home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtCore/qobject.h:47,
                 from /home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtCore/qcoreapplication.h:45,
                 from /home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtGui/qapplication.h:45,
                 from /home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtGui/QApplication:1,
                 from /home/philip/devel/octdev/mxe/mxe201409_64/tmp-octave/octave-3.9.0+/libgui/graphics/QtHandlesUtils.cc:27:
/home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtCore/qglobal.h:1217:34: note: template<class T> const T& qMin(const T&, const T&)
 Q_DECL_CONSTEXPR inline const T &qMin(const T &a, const T &b) { return (a < b) ? a : b; }
                                  ^
/home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtCore/qglobal.h:1217:34: note:   template argument deduction/substitution failed:
/home/philip/devel/octdev/mxe/mxe201409_64/tmp-octave/octave-3.9.0+/libgui/graphics/QtHandlesUtils.cc:223:33: note:   deduced conflicting types for parameter 'const T' ('long long int' and 'int')
       int w = qMin (dv(1), width);
                                 ^
/home/philip/devel/octdev/mxe/mxe201409_64/tmp-octave/octave-3.9.0+/libgui/graphics/QtHandlesUtils.cc:224:34: error: no matching function for call to 'qMin(octave_idx_type&, int&)'
       int h = qMin (dv(0), height);
                                  ^
/home/philip/devel/octdev/mxe/mxe201409_64/tmp-octave/octave-3.9.0+/libgui/graphics/QtHandlesUtils.cc:224:34: note: candidate is:
In file included from /home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtCore/qnamespace.h:45:0,
                 from /home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtCore/qobjectdefs.h:45,
                 from /home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtCore/qobject.h:47,
                 from /home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtCore/qcoreapplication.h:45,
                 from /home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtGui/qapplication.h:45,
                 from /home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtGui/QApplication:1,
                 from /home/philip/devel/octdev/mxe/mxe201409_64/tmp-octave/octave-3.9.0+/libgui/graphics/QtHandlesUtils.cc:27:
/home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtCore/qglobal.h:1217:34: note: template<class T> const T& qMin(const T&, const T&)
 Q_DECL_CONSTEXPR inline const T &qMin(const T &a, const T &b) { return (a < b) ? a : b; }
                                  ^
/home/philip/devel/octdev/mxe/mxe201409_64/usr/x86_64-w64-mingw32/include/QtCore/qglobal.h:1217:34: note:   template argument deduction/substitution failed:
/home/philip/devel/octdev/mxe/mxe201409_64/tmp-octave/octave-3.9.0+/libgui/graphics/QtHandlesUtils.cc:224:34: note:   deduced conflicting types for parameter 'const T' ('long long int' and 'int')
       int h = qMin (dv(0), height);
                                  ^
make[5]: *** [graphics/graphics_libgui_graphics_la-QtHandlesUtils.lo] Error 1
make[5]: *** Waiting for unfinished jobs....


Philip Nienhuis <philipnienhuis>
Group Member
Fri 05 Sep 2014 08:39:12 PM UTC, comment #2: 

It is not a complaint from my side, not quite. Maybe from Windows...

Anyway I'm very happy with the 64-bit builds. I have the impression that they're faster than 32-bit Octave as well; loading 250 MB v7 .mat files (that expand to almost 1 GB in RAM) seems about twice as fast and OOM errors I often met with them have gone.

Philip Nienhuis <philipnienhuis>
Group Member
Fri 05 Sep 2014 07:54:31 PM UTC, comment #1: 

64-bit pointers are required for building Octave with --enable-64, so it makes no sense to complain that Octave configured this way won't run on Windows 32.

John W. Eaton <jwe>
Group administrator
Fri 05 Sep 2014 07:43:25 PM UTC, original submission:  

General
=======
Altough formally the --enable-64 flag indicates only 64-bit indexes, Octave for MinGW built with this flag is really a 64-bit Windows program (Windows XP 32bit complains that "Octave.exe is not a valid win32 program"; on Windows 7, compatibility settings listed for 64-bit Octave exclude all 32-bit Windows variants).


HDF5
====
See bug #43101

sparse.tst
==========

  ***** testif HAVE_HDF5   # save hdf5
 savefile = tmpnam ();
 as_save = as;
 save ("-hdf5", savefile, "bf", "as_save", "af");
 clear as_save;
 load (savefile, "as_save");
 unlink (savefile);
 assert (as_save, sparse (af));
!!!!! test failed
save: error while writing 'bf' to hdf5 file


In later builds (after patching hdf5 cf. bug #43101) there's a hard crash.
Note it is the "sparse (af)" in the assert stmt. statement that provokes the crash, not so much writing/reading the hdf5 file.


Java
====
Octave64 expects a 64-bit JRE. I found that when Octave has been cross-built on a 64-bit Linux box, it expects jvm.dll to be in C:\Program Files\Java\jre7\bin\server, however when Octave has been cross-built on 32-bit Linux (with 32-bit JDK) it expects jvm.dll to be in C:\Program Files\Java\jre7\bin\client. Simply copying the client subdir + contents to a server subdir (or vice versa) in the same place in the Java JRE directory tree suffices.

I think this had better be fixed so that Octave64 always expects jvm.dll to be in the server/ subdir for 64-bit systems, as seems to be customary for 64-bit JRE/JDK.

Note: At least on Windows 64-bit it is perfectly possible to have both a 32-bit and a 64-bit JRE (or JDK) coexisting peacefully. The 64-bit one lives in C:\Program Files\, the 32-bit version in C:\Program Files (X86)\

AFAICS Java class libs (.jar files) are agnostic as to whether they're called from a 32-bit or a 64-bit JRE.
BUT... non-Java programs living behind those .jar files do care, e.g., OpenOffice or LibreOffice when invoked through the UNO spreadsheet interface in the io package. I couldn't get 32-bit LibreOffice invoked through Octave-Forge io package's UNO interface on my 64-bit Win7 box. It only works with 32-bit Octave.


Octave-Forge packages
=====================
Installation of some OF packages included in mxe-octave fail, apparently (AFAICS) due to ambiguous casts / data types:

data-smoothing
fl-core
fuzzy-logic
image
io (.mex; already fixed locally, replaced by .oct. Will push later)
netcdf
odepkg
optim
quaternion


Formal Octave test suite
========================
Currently Octave64 crashes on the eig_cc.tst.
That is due to the last 4 tests in eig_cc.tst; luckily, these do not test actual numerical stuff but merely input validation.
As a kludge, commenting out those tests lets Octave64 finish the test suite. But obviously that is not the proper way to deal with it.

At first sight, Octave64 may yield several (~12 IIRC) Java-related test failures. See above (32-bit vs. 64-bit JRE) for a solution.

Next there are several test failure related to tolerances:

chop.m:
=======

>>>>> processing C:\Octave\octave64-3.8.2\share\octave\3.8.2\m\general\chop.m
  ***** assert (chop (e, 3), 2.72)
!!!!! test failed
ASSERT errors for:  assert (chop (e, 3),2.72)

  Location  |  Observed  |  Expected  |  Reason
     ()          2.72         2.72       Abs err 4.4409e-016 exceeds tol 0
  ***** assert (chop (e, 4), 2.718)
!!!!! test failed
ASSERT errors for:  assert (chop (e, 4),2.718)

  Location  |  Observed  |  Expected  |  Reason
     ()         2.718        2.718       Abs err 8.8818e-016 exceeds tol 0
  ***** assert (chop (e, 4, 5), 2.72)
!!!!! test failed
ASSERT errors for:  assert (chop (e, 4, 5),2.72)

  Location  |  Observed  |  Expected  |  Reason
     ()          2.72         2.72       Abs err 4.4409e-016 exceeds tol 0
  ***** assert (chop (e, 4, 7), 2.716)
!!!!! test failed
ASSERT errors for:  assert (chop (e, 4, 7),2.716)

  Location  |  Observed  |  Expected  |  Reason
     ()         2.716        2.716       Abs err 4.4409e-016 exceeds tol 0
  ***** assert (chop (-e, 3), -2.72)
!!!!! test failed
ASSERT errors for:  assert (chop (-e, 3),-2.72)

  Location  |  Observed  |  Expected  |  Reason
     ()         -2.72        -2.72       Abs err 4.4409e-016 exceeds tol 0
  ***** assert (chop (-e, 4), -2.718)
!!!!! test failed
ASSERT errors for:  assert (chop (-e, 4),-2.718)

  Location  |  Observed  |  Expected  |  Reason
     ()         -2.718       -2.718      Abs err 8.8818e-016 exceeds tol 0
  ***** assert (chop (-e, 4, 5), -2.72)
!!!!! test failed
ASSERT errors for:  assert (chop (-e, 4, 5),-2.72)

  Location  |  Observed  |  Expected  |  Reason
     ()         -2.72        -2.72       Abs err 4.4409e-016 exceeds tol 0
  ***** assert (chop (-e, 4, 7), -2.716)
!!!!! test failed
ASSERT errors for:  assert (chop (-e, 4, 7),-2.716)

  Location  |  Observed  |  Expected  |  Reason
     ()         -2.716       -2.716      Abs err 4.4409e-016 exceeds tol 0
  ***** assert (chop (hilb (3), 3), [1,.5,.333;.5,.333,.25;.333,.25,.2])
!!!!! test failed
ASSERT errors for:  assert (chop (hilb (3), 3),[1, .5, .333; .5, .333, .25; .333, .25, .2])

  Location  |  Observed  |  Expected  |  Reason
   (1,1)          1            1         Abs err 2.2204e-016 exceeds tol 0
   (2,1)         0.5          0.5        Abs err 1.1102e-016 exceeds tol 0
   (3,1)        0.333        0.333       Abs err 5.5511e-017 exceeds tol 0
   (1,2)         0.5          0.5        Abs err 1.1102e-016 exceeds tol 0
   (2,2)        0.333        0.333       Abs err 5.5511e-017 exceeds tol 0
   (3,2)         0.25         0.25       Abs err 5.5511e-017 exceeds tol 0
   (1,3)        0.333        0.333       Abs err 5.5511e-017 exceeds tol 0
   (2,3)         0.25         0.25       Abs err 5.5511e-017 exceeds tol 0
   (3,3)         0.2          0.2        Abs err 2.7756e-017 exceeds tol 0


num2str.m:
==========

>>>>> processing C:\Octave\octave64-3.8.2\share\octave\3.8.2\m\general\num2str.m
  ***** xtest
 assert (num2str (1e23), "100000000000000000000000");
!!!!! known failure
ASSERT errors for:  assert (num2str (1e23),"100000000000000000000000")

  Location  |  Observed  |  Expected  |  Reason
     []      99999999999999991611392      100000000000000000000000         Strings don't match


axis.m:
=======

>>>>> processing C:\Octave\octave64-3.8.2\share\octave\3.8.2\m\plot\appearance\axis.m
  ***** test
 hf = figure ("visible", "off");
 unwind_protect
   a = logspace (-5, 1, 10);
   loglog (a, -a);
   axis tight;
   assert (axis (), [1e-5, 10, -10, -1e-5]);
 unwind_protect_cleanup
   close (hf);
 end_unwind_protect
!!!!! test failed
ASSERT errors for:  assert (axis (),[1e-5, 10, -10, -1e-5])

  Location  |  Observed  |  Expected  |  Reason
    (1)         1e-005       1e-005      Abs err 5.0822e-021 exceeds tol 0
    (4)        -1e-005      -1e-005      Abs err 5.0822e-021 exceeds tol 0

    
assert.m:
=========

>>>>> processing C:\Octave\octave64-3.8.2\share\octave\3.8.2\m\testfun\assert.m
  ***** test
 x = [-40:0];
 y1 = (10.^x).*(10.^x);
 y2 = 10.^(2*x);
 assert (y1, y2, eps (y1));
 fail ("assert (y1, y2 + eps*1e-70, eps (y1))");
!!!!! test failed
ASSERT errors for:  assert (y1,y2,eps (y1))

  Location  |  Observed  |  Expected  |  Reason
    (11)        1e-060       1e-060      Abs err 4.1454e-076 exceeds tol 1.3818e-076
    (13)        1e-056       1e-056      Abs err 3.3959e-072 exceeds tol 1.132e-072
    (14)        1e-054       1e-054      Abs err 4.3467e-070 exceeds tol 1.4489e-070
    (19)        1e-044       1e-044      Abs err 3.7338e-060 exceeds tol 1.2446e-060
    (22)        1e-038       1e-038      Abs err 2.6101e-054 exceeds tol 1.3051e-054
    (23)        1e-036       1e-036      Abs err 3.341e-052 exceeds tol 1.6705e-052
    (27)        1e-028       1e-028      Abs err 2.2421e-044 exceeds tol 1.121e-044
    (29)        1e-024       1e-024      Abs err 3.6734e-040 exceeds tol 1.8367e-040


All of these appear to be simple tolerance issues.

The below FAIL seems different:

bug-38691.tst
=============

  ***** test
 unwind_protect
   addpath dir1;
   [d1_r, d1_f1, d1_f2, d1_f3] = func1 (0);
   addpath dir2;
   [d2_r, d2_f1, d2_f2, d2_f3] = func1 (0);
   assert (d1_r, 0);
   assert (d2_r, 1);
   assert (d1_f1, "dir1/func1");
   assert (d1_f2, "dir1/func2");
   assert (d1_f3, "dir1/func3");
   assert (d2_f1, "dir2/func1");
   assert (d2_f2, "dir2/func2");
   assert (d2_f3, "dir2/func3");
 unwind_protect_cleanup
   rmpath dir1;
   rmpath dir2;
 end_unwind_protect
!!!!! test failed
ASSERT errors for:  assert (d2_r,1)

  Location  |  Observed  |  Expected  |  Reason
     ()           0            1         Abs err 1 exceeds tol 0


Finally, fcn-handle test has an issue related to Octave's search path.

fcn-handle-derived-resolution.tst
=================================
  *** test
 p = parent (7);
 assert (numel (p), 7)
!!!!! test failed
'__trace__' undefined near line 2 column 3
  *** test
 d = derived (13);
 assert (numel (d), 13)
!!!!! test failed
'__trace__' undefined near line 2 column 3
  *** test
 p = parent (11);
 f = @numel;
 assert (f (p), 11)
!!!!! test failed
'__trace__' undefined near line 2 column 3
  *** test
 d = parent (21);
 f = @numel;
 assert (f (d), 21)
!!!!! test failed
'__trace__' undefined near line 2 column 3
  *** test
 o(1) = other (13);
 o(2) = other (42);
 assert (getsize_loop (o), [13, 42])
!!!!! test failed
'__trace__' undefined near line 2 column 3
  *** test
 o(1) = other (13);
 o(2) = other (42);
 assert (getsize_cellfun (o), [13, 42])
!!!!! test failed
'__trace__' undefined near line 2 column 3
  *** test
 o(1) = other (13);
 o(2) = other (42);
 assert (getsize_arrayfun (o), [13, 42])
!!!!! test failed
'__trace__' undefined near line 2 column 3
-verbatim-

...but when the tests are run manually, they all pass.

So all in all, ignoring eig.cc.tst and HDF5, a 64-bit MinGW Octave-3.8.2 looks quite usable to me.

Philip Nienhuis <philipnienhuis>
Group Member

 

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