#11168: rubiks fails doctest on OpenSolaris x86 with gcc 4.6.0 and -O2
optimisation.
----------------------------+-----------------------------------------------
Reporter: drkirkby | Owner: drkirkby
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.7
Component: solaris | Keywords:
Author: David Kirkby | Upstream: Not yet reported upstream; Will do
shortly.
Reviewer: | Merged:
Work_issues: |
----------------------------+-----------------------------------------------
Description changed by drkirkby:
Old description:
> On a Sun Ultra 27 running !OpenSolaris06/2009, the rubiks-20070912.p12
> package builds
>
> {{{
> drkirkby@hawk:~/sage-4.7.alpha3$ ./sage -t -long -force_lib
> devel/sage/sage/interfaces/rubik.py
> sage -t -long -force_lib "devel/sage/sage/interfaces/rubik.py"
> **********************************************************************
> File
> "/export/home/drkirkby/sage-4.7.alpha3/devel/sage/sage/interfaces/rubik.py",
> line 132:
> sage: solver = OptimalSolver() # long time
> Exception raised:
> Traceback (most recent call last):
> File
> "/export/home/drkirkby/sage-4.7.alpha3/local/bin/ncadoctest.py", line
> 1231, in run_one_test
> self.run_one_example(test, example, filename, compileflags)
> File
> "/export/home/drkirkby/sage-4.7.alpha3/local/bin/sagedoctest.py", line
> 38, in run_one_example
> OrigDocTestRunner.run_one_example(self, test, example, filename,
> compileflags)
> File
> "/export/home/drkirkby/sage-4.7.alpha3/local/bin/ncadoctest.py", line
> 1172, in run_one_example
> compileflags, 1) in test.globs
> File "<doctest __main__.example_3[4]>", line 1, in <module>
> solver = OptimalSolver() # long time###line 132:
> sage: solver = OptimalSolver() # long time
> File "/export/home/drkirkby/sage-4.7.alpha3/local/lib/python/site-
> packages/sage/interfaces/rubik.py", line 98, in __init__
> self.ready()
> File "/export/home/drkirkby/sage-4.7.alpha3/local/lib/python/site-
> packages/sage/interfaces/rubik.py", line 117, in ready
> self.child.expect('enter cube')
> File "/export/home/drkirkby/sage-4.7.alpha3/local/lib/python/site-
> packages/pexpect.py", line 912, in expect
> return self.expect_list(compiled_pattern_list, timeout,
> searchwindowsize)
> File "/export/home/drkirkby/sage-4.7.alpha3/local/lib/python/site-
> packages/pexpect.py", line 978, in expect_list
> raise EOF (str(e) + '\n' + str(self))
> EOF: End Of File (EOF) in read_nonblocking(). Empty string style
> platform.
> <pexpect.spawn instance at 0xc5367ac>
> version: 2.0 ($Revision: 1.151 $)
> command: /export/home/drkirkby/sage-4.7.alpha3/local/bin/optimal
> args: ['/export/home/drkirkby/sage-4.7.alpha3/local/bin/optimal']
> patterns:
> enter cube
> buffer (last 100 chars):
> before (last 100 chars): olutions
>
> initializing transformation tables
>
> init_fulledge_to_edgequot : too many edgequot's
>
> after: <class 'pexpect.EOF'>
> match: None
> match_index: None
> exitstatus: None
> flag_eof: 1
> pid: 10994
> child_fd: 3
> timeout: None
> delimiter: <class 'pexpect.EOF'>
> logfile: None
> maxread: 2000
> searchwindowsize: None
> delaybeforesend: 0.1
> **********************************************************************
> 1 items had failures:
> 1 of 12 in __main__.example_3
> ***Test Failed*** 1 failures.
> For whitespace errors, see the file
> /export/home/drkirkby/.sage//tmp/.doctest_rubik.py
> [9.4 s]
>
> ----------------------------------------------------------------------
> The following tests failed:
>
> sage -t -long -force_lib "devel/sage/sage/interfaces/rubik.py"
> Total time for all tests: 9.4 seconds
> }}}
>
> However, if the optimisation level is changed from -O2 to -O1, the
> program behaves properly.
>
> {{{
> drkirkby@hawk:~/sage-4.7.alpha3$ ./sage -t -long -force_lib
> devel/sage/sage/interfaces/rubik.py
> sage -t -long -force_lib "devel/sage/sage/interfaces/rubik.py"
> [26.7 s]
>
> ----------------------------------------------------------------------
> All tests passed!
> Total time for all tests: 26.7 seconds
> }}}
>
> A revised package, which reduces the optimisation level on Solaris to -O1
> can be found at
>
> http://boxen.math.washington.edu/home/kirkby/patches/rubiks-20070912.p13.spkg
New description:
On a Sun Ultra 27 running !OpenSolaris 06/2009, the rubiks-20070912.p12
package builds, but fails a doctest
{{{
drkirkby@hawk:~/sage-4.7.alpha3$ ./sage -t -long -force_lib
devel/sage/sage/interfaces/rubik.py
sage -t -long -force_lib "devel/sage/sage/interfaces/rubik.py"
**********************************************************************
File
"/export/home/drkirkby/sage-4.7.alpha3/devel/sage/sage/interfaces/rubik.py",
line 132:
sage: solver = OptimalSolver() # long time
Exception raised:
Traceback (most recent call last):
File
"/export/home/drkirkby/sage-4.7.alpha3/local/bin/ncadoctest.py", line
1231, in run_one_test
self.run_one_example(test, example, filename, compileflags)
File
"/export/home/drkirkby/sage-4.7.alpha3/local/bin/sagedoctest.py", line 38,
in run_one_example
OrigDocTestRunner.run_one_example(self, test, example, filename,
compileflags)
File
"/export/home/drkirkby/sage-4.7.alpha3/local/bin/ncadoctest.py", line
1172, in run_one_example
compileflags, 1) in test.globs
File "<doctest __main__.example_3[4]>", line 1, in <module>
solver = OptimalSolver() # long time###line 132:
sage: solver = OptimalSolver() # long time
File "/export/home/drkirkby/sage-4.7.alpha3/local/lib/python/site-
packages/sage/interfaces/rubik.py", line 98, in __init__
self.ready()
File "/export/home/drkirkby/sage-4.7.alpha3/local/lib/python/site-
packages/sage/interfaces/rubik.py", line 117, in ready
self.child.expect('enter cube')
File "/export/home/drkirkby/sage-4.7.alpha3/local/lib/python/site-
packages/pexpect.py", line 912, in expect
return self.expect_list(compiled_pattern_list, timeout,
searchwindowsize)
File "/export/home/drkirkby/sage-4.7.alpha3/local/lib/python/site-
packages/pexpect.py", line 978, in expect_list
raise EOF (str(e) + '\n' + str(self))
EOF: End Of File (EOF) in read_nonblocking(). Empty string style
platform.
<pexpect.spawn instance at 0xc5367ac>
version: 2.0 ($Revision: 1.151 $)
command: /export/home/drkirkby/sage-4.7.alpha3/local/bin/optimal
args: ['/export/home/drkirkby/sage-4.7.alpha3/local/bin/optimal']
patterns:
enter cube
buffer (last 100 chars):
before (last 100 chars): olutions
initializing transformation tables
init_fulledge_to_edgequot : too many edgequot's
after: <class 'pexpect.EOF'>
match: None
match_index: None
exitstatus: None
flag_eof: 1
pid: 10994
child_fd: 3
timeout: None
delimiter: <class 'pexpect.EOF'>
logfile: None
maxread: 2000
searchwindowsize: None
delaybeforesend: 0.1
**********************************************************************
1 items had failures:
1 of 12 in __main__.example_3
***Test Failed*** 1 failures.
For whitespace errors, see the file
/export/home/drkirkby/.sage//tmp/.doctest_rubik.py
[9.4 s]
----------------------------------------------------------------------
The following tests failed:
sage -t -long -force_lib "devel/sage/sage/interfaces/rubik.py"
Total time for all tests: 9.4 seconds
}}}
However, if the optimisation level is changed from -O2 to -O1, the program
behaves properly.
{{{
drkirkby@hawk:~/sage-4.7.alpha3$ ./sage -t -long -force_lib
devel/sage/sage/interfaces/rubik.py
sage -t -long -force_lib "devel/sage/sage/interfaces/rubik.py"
[26.7 s]
----------------------------------------------------------------------
All tests passed!
Total time for all tests: 26.7 seconds
}}}
A revised package, which reduces the optimisation level on Solaris to -O1
can be found at
http://boxen.math.washington.edu/home/kirkby/patches/rubiks-20070912.p13.spkg
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11168#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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