Re: [sage-devel] Re: Could we test upgrades of Sage with buildbot?

2010-11-05 Thread Mitesh Patel
On 11/05/2010 07:25 PM, Jason Grout wrote: > On 11/5/10 5:16 PM, Mitesh Patel wrote: >> On 11/05/2010 07:49 AM, kcrisman wrote: >>> http://sage.math.washington.edu/home/buildbot/binaries/ Does it usually take a long time (~1 hour) to make a dmg distribution on bsd.math, or

[sage-devel] Re: 4.6 build - Atlas fails on Ubuntu 10.10 on amd turion X2 laptop

2010-11-05 Thread Andrey Novoseltsev
This may be related: I also regularly (although not deterministically) have troubles with ATLAS on a Turion x2 notebook. I has 4Gb RAM, but I am running Ubuntu 10.4 in VirtualBox with 1.5Gb and one CPU core accessible to it. It always takes forever to build ATLAS on it and often it crashes. Since

Re: [sage-devel] A C++ Question

2010-11-05 Thread Mitesh Patel
On 11/05/2010 10:19 PM, Robert Bradshaw wrote: > On Fri, Nov 5, 2010 at 6:12 PM, Martin Albrecht > wrote: >> in the Sage library we cannot write the following C++ code: >> >> Class a = Class() >> >> since Cython turns the statement >> >> cdef Class a = Class() >> >> into >> >> Class a >> a = C

Re: [sage-devel] A C++ Question

2010-11-05 Thread Robert Bradshaw
On Fri, Nov 5, 2010 at 6:12 PM, Martin Albrecht wrote: > Hi there, > > in the Sage library we cannot write the following C++ code: > >  Class a = Class() > > since Cython turns the statement > >  cdef Class a = Class() > > into > >  Class a >  a = Class() > > which only works when there is a copy

[sage-devel] A C++ Question

2010-11-05 Thread Martin Albrecht
Hi there, in the Sage library we cannot write the following C++ code: Class a = Class() since Cython turns the statement cdef Class a = Class() into Class a a = Class() which only works when there is a copy constructor. In the Sage library we sometimes use the follow construct in or

[sage-devel] Re: Could we test upgrades of Sage with buildbot?

2010-11-05 Thread Jason Grout
On 11/5/10 5:16 PM, Mitesh Patel wrote: On 11/05/2010 07:49 AM, kcrisman wrote: http://sage.math.washington.edu/home/buildbot/binaries/ Does it usually take a long time (~1 hour) to make a dmg distribution on bsd.math, or more generally, on OS X? It can take quite a while on a slower machin

[sage-devel] Re: 4.6 build - Atlas fails on Ubuntu 10.10 on amd turion X2 laptop

2010-11-05 Thread Volker Braun
You can try my new atlas spkg at http://trac.sagemath.org/sage_trac/ticket/10226 if you have a minute. SAGE_ATLAS_ARCH=HAMMER,SSE3,SSE2,SSE1 export SAGE_ATLAS_ARCH sage -f atlas-3.8.3.p17.spkg or just save the new spgk in SAGE_ROOT/spkg/standard/ Volker -- To post to this group, send an email

Re: [sage-devel] Re: 4.6 build - Atlas fails on Ubuntu 10.10 on amd turion X2 laptop

2010-11-05 Thread Dr. David Kirkby
On 11/ 5/10 05:38 PM, mhampton wrote: Depending on what those Firefox tabs were, they could have put a significant load on your CPU (Flash ads for example) or used enough memory to make atlas work too hard. It would be interesting to know if it works if you aren't running anything else. What is

Re: [sage-devel] Re: Could we test upgrades of Sage with buildbot?

2010-11-05 Thread Mitesh Patel
On 11/05/2010 07:49 AM, kcrisman wrote: > >> http://sage.math.washington.edu/home/buildbot/binaries/ >> >> Does it usually take a long time (~1 hour) to make a dmg distribution on >> bsd.math, or more generally, on OS X? > > It can take quite a while on a slower machine; I feel like bsd.math is >

[sage-devel] Re: 4.6 build - Atlas fails on Ubuntu 10.10 on amd turion X2 laptop

2010-11-05 Thread RegB
Well, I'm certainly under qualified to evaluate your thread (-: It would SEEM that you were getting error messages that said the flags to the compiler were wrong/inappropriate (GUESSING) ? I got specific tune errors 2 and 255. I'm not saying they don't have some common cause, just that the symptoms

Re: [sage-devel] Re: 4.6 build - Atlas fails on Ubuntu 10.10 on amd turion X2 laptop

2010-11-05 Thread Mike Witt
On 11/05/2010 11:23:01 AM, RegB wrote: Thanks, I have ads blocked, fairly sure that none were playing any U-tube or other graphics, no adobe flash. Looking at System monitor, barely a Gig of memory is being used and swap is NOT being used at all. There is 4 Gig of ram. CPU #2 is running at 100%

Re: [sage-devel] paralizing algorithms

2010-11-05 Thread David Kirkby
On 5 November 2010 18:48, nekopczynski wrote: > Hello Everyone, > I am currently a senior computer science student with a strong math > background.  One of my professors, Dana Ernst, also a member here, > recommended that I post here.  I am looking for a senior project > involving programing, algo

[sage-devel] paralizing algorithms

2010-11-05 Thread nekopczynski
Hello Everyone, I am currently a senior computer science student with a strong math background. One of my professors, Dana Ernst, also a member here, recommended that I post here. I am looking for a senior project involving programing, algorithms, parallel processing, and mathematics. Does any k

[sage-devel] Re: 4.6 build - Atlas fails on Ubuntu 10.10 on amd turion X2 laptop

2010-11-05 Thread RegB
Thanks, I have ads blocked, fairly sure that none were playing any U-tube or other graphics, no adobe flash. Looking at System monitor, barely a Gig of memory is being used and swap is NOT being used at all. There is 4 Gig of ram. CPU #2 is running at 100% most of the time during the atlas build,

[sage-devel] Re: 4.6 build - Atlas fails on Ubuntu 10.10 on amd turion X2 laptop

2010-11-05 Thread mhampton
Depending on what those Firefox tabs were, they could have put a significant load on your CPU (Flash ads for example) or used enough memory to make atlas work too hard. It would be interesting to know if it works if you aren't running anything else. What is your processor and amount of RAM? -M.

[sage-devel] Re: Who wrote the paper saying commercial software is like hiding proofs?

2010-11-05 Thread john_perry_usm
> Does the lack of availability of source code for a program mean it is > unacceptable to publish the results of that program in a journal?  I > think not. I know of at least one recent case where claimed improvements in performance were due not to a new algorithm (as claimed by the authors) but t

[sage-devel] Re: technology behind Sage screencasts/videos

2010-11-05 Thread pang
Minh already suggested gtk-recordmydesktop (in the other thread), but I'd like to add that you don't need anything fancy to place video of yourself on top of the screencast, you can just place a small window with the video from the webcam above the browser. For example, in debian or ubuntu, open "

Re: [sage-devel] 4.6 build - Atlas fails on Ubuntu 10.10 on amd turion X2 laptop

2010-11-05 Thread RegB
WOW, that was quick - THANKS. I reviewed all of those and while interesting/useful they seem to be not applicable to this particular failure. I had meant to say that on previous attempts I had discovered the need for a fortran compiler and to disable cpu throttling. Also the desirability of insta

Re: [sage-devel] Re: Interesting looking trac ticket with images

2010-11-05 Thread Dr. David Kirkby
On 11/ 5/10 12:47 PM, Jason Grout wrote: On 11/5/10 1:25 AM, Dr. David Kirkby wrote: On 11/ 4/10 11:38 PM, David Joyner wrote: sage: plot3d(sqrt(sin(x)*sin(y)),(x,-2*pi,2*pi),(y,-2*pi,2*pi),plot_points=750) and sage: B=plot3d(sqrt(sin(x)*sin(y)),(x,-2*pi,2*pi),(y,-2*pi,2*pi),plot_points=750,

Re: [sage-devel] 4.6 build - Atlas fails on Ubuntu 10.10 on amd turion X2 laptop

2010-11-05 Thread Minh Nguyen
Hi, On Sat, Nov 6, 2010 at 12:30 AM, RegB <2regburg...@earthlink.net> wrote: > I know this is a modest laptop, but it seems to be in the tuning > section that the Atlas install fails after 12 hours or so. You might want to read this section of the Sage FAQ: http://www.sagemath.org/doc/faq/faq-us

[sage-devel] 4.6 build - Atlas fails on Ubuntu 10.10 on amd turion X2 laptop

2010-11-05 Thread RegB
I know this is a modest laptop, but it seems to be in the tuning section that the Atlas install fails after 12 hours or so. Here is the last section (STAGE-2) of the install.log; IN STAGE 2 INSTALL: TYPE-DEPENDENT TUNING

[sage-devel] Re: Could we test upgrades of Sage with buildbot?

2010-11-05 Thread kcrisman
> http://sage.math.washington.edu/home/buildbot/binaries/ > > Does it usually take a long time (~1 hour) to make a dmg distribution on > bsd.math, or more generally, on OS X? It can take quite a while on a slower machine; I feel like bsd.math is fairly new, so it shouldn't take quite that long, b

[sage-devel] Re: Interesting looking trac ticket with images

2010-11-05 Thread Jason Grout
On 11/5/10 1:25 AM, Dr. David Kirkby wrote: On 11/ 4/10 11:38 PM, David Joyner wrote: sage: plot3d(sqrt(sin(x)*sin(y)),(x,-2*pi,2*pi),(y,-2*pi,2*pi),plot_points=750) and sage: B=plot3d(sqrt(sin(x)*sin(y)),(x,-2*pi,2*pi),(y,-2*pi,2*pi),plot_points=750,viewer='tachyon') sage: B.show() look bet

Re: [sage-devel] Could we test upgrades of Sage with buildbot?

2010-11-05 Thread Mitesh Patel
On 11/01/2010 05:26 PM, David Kirkby wrote: > On 1 November 2010 22:23, Jeroen Demeyer wrote: >> On 2010-11-01 22:59, Mitesh Patel wrote: >>> By the way, what is the best way to copy an entire [scratch-built] Sage >>> distribution on Solaris? For example, >>> >>> cp -a sage-original-distribution

Re: [sage-devel] Re: Who wrote the paper saying commercial software is like hiding proofs?

2010-11-05 Thread Minh Nguyen
Hi Kwankyu, On Fri, Nov 5, 2010 at 4:14 AM, Kwankyu Lee wrote: > I think the > article should be displayed in a holy place at the Sage website, as it > seems to me the original source of the philosophy on which all this > Sage project is founded. Neubüser's article has been advertised for some t

Re: [sage-devel] Re: Who wrote the paper saying commercial software is like hiding proofs?

2010-11-05 Thread Minh Nguyen
Hi David, On Fri, Nov 5, 2010 at 4:31 AM, David Kirkby wrote: > I must admit I was rather hoping there would be more similar > references, ideally in peer reviewed journals, or books from decent > publishers. See the following interview of three Fields medalists, especially the interview of Andr

Re: [sage-devel] Re: Who wrote the paper saying commercial software is like hiding proofs?

2010-11-05 Thread v_2e
Hello! On Thu, 4 Nov 2010 22:38:27 -0700 (PDT) rjf wrote: > > Does the lack of availability of source code for a program mean it is > unacceptable > to publish the results of that program in a journal? I think not. > > Is it nice to release your program and data along with your article? > Some

[sage-devel] Two straightforward reviews....

2010-11-05 Thread Nathann Cohen
Hello everybody To the current alpha0 has been merged #10043, which is a complete rewrite of the LP interfaces... This is great, but I noticed 2 mistakes afterward : I had forgotten to rename the add_constraint method to add_linear_constraint, and also that a parameter of the "solve" method w

[sage-devel] Re: experiments with singular 3.1.2

2010-11-05 Thread Michael Brickenstein
I reported it to the Singular list. I hope that the interest of the Singular group on libSingular will increase. http://code.google.com/p/convex-singular/wiki/libSingular Cheers, Michael On Nov 5, 10:36 am, François Bissey wrote: > > Hi, > > > > I have toyed with singular-3.1.2 and tried to se

Re: [sage-devel] experiments with singular 3.1.2

2010-11-05 Thread François Bissey
> Hi, > > > I have toyed with singular-3.1.2 and tried to see if it could work with > > sage. > > nice, I meant to get around to it but never did. > > > The short story is that we should stay clear of it for a some time. > > The singular executables are fine, the problems are with libsingular. >

Re: [sage-devel] experiments with singular 3.1.2

2010-11-05 Thread Martin Albrecht
Hi, > I have toyed with singular-3.1.2 and tried to see if it could work with > sage. nice, I meant to get around to it but never did. > The short story is that we should stay clear of it for a some time. > The singular executables are fine, the problems are with libsingular. > The headers shipp

[sage-devel] experiments with singular 3.1.2

2010-11-05 Thread François Bissey
Hi all, I have toyed with singular-3.1.2 and tried to see if it could work with sage. The short story is that we should stay clear of it for a some time. The singular executables are fine, the problems are with libsingular. The headers shipped for libsingular are currently completely broken, this

[sage-devel] Re: Blog Post: "How to referee Sage Trac tickets"

2010-11-05 Thread Johan S. R. Nielsen
On Nov 3, 8:59 am, Florent Hivert wrote: >       Hi there, > > > > On Mon, Nov 01, 2010 at 05:30:55AM -0500, Jason Grout wrote: > > On 11/1/10 12:23 AM, William Stein wrote: > > >http://sagemath.blogspot.com/2010/10/how-to-referee-sage-trac-tickets... > > > Nice.  I'll have more comments later, bu

Re: [sage-devel] Warnings while building pdf docs

2010-11-05 Thread Minh Nguyen
Hi David, On Fri, Nov 5, 2010 at 7:05 PM, Dr. David Kirkby wrote: > However, it might be worth remarking that the version of Splinx we use is > 0.6.3, and the latest is 1.0.4, Updating might cure some of the issues, but > others look firmly like bugs in the Sage documentation. See ticket #10118

Re: [sage-devel] Warnings while building pdf docs

2010-11-05 Thread Mitesh Patel
On 11/05/2010 03:05 AM, Dr. David Kirkby wrote: > On 11/ 5/10 07:41 AM, Mitesh Patel wrote: >> On 11/05/2010 02:26 AM, Dr. David Kirkby wrote: >>> I see this with 4.6 and 4.6.1.alpha0 >>> >>> drkir...@hawk:~/sage-4.6$ grep WARN docpdf.log >>> writing... >>> /export/home/drkirkby/sage-4.6/devel/sage

Re: [sage-devel] Warnings while building pdf docs

2010-11-05 Thread Dr. David Kirkby
On 11/ 5/10 07:41 AM, Mitesh Patel wrote: On 11/05/2010 02:26 AM, Dr. David Kirkby wrote: I see this with 4.6 and 4.6.1.alpha0 drkir...@hawk:~/sage-4.6$ grep WARN docpdf.log writing... /export/home/drkirkby/sage-4.6/devel/sage/doc/en/faq/faq-usage.rst:: WARNING: unusable reference target found:

Re: [sage-devel] Warnings while building pdf docs

2010-11-05 Thread Mitesh Patel
On 11/05/2010 02:26 AM, Dr. David Kirkby wrote: > I see this with 4.6 and 4.6.1.alpha0 > > drkir...@hawk:~/sage-4.6$ grep WARN docpdf.log > writing... > /export/home/drkirkby/sage-4.6/devel/sage/doc/en/faq/faq-usage.rst:: > WARNING: unusable reference target found: about:plugins > writing... > /ex

[sage-devel] Warnings while building pdf docs

2010-11-05 Thread Dr. David Kirkby
I see this with 4.6 and 4.6.1.alpha0 drkir...@hawk:~/sage-4.6$ grep WARN docpdf.log writing... /export/home/drkirkby/sage-4.6/devel/sage/doc/en/faq/faq-usage.rst:: WARNING: unusable reference target found: about:plugins writing... /export/home/drkirkby/sage-4.6/devel/sage/doc/en/tutorial/introd

[sage-devel] Re: Who wrote the paper saying commercial software is like hiding proofs?

2010-11-05 Thread Dima Pasechnik
A bigger problem is that a program without source code available becomes thing of the past faster than one wants. Imagine Leonard Euler referring for his proofs to a computer running a very old version of Ma*... Even if he gave Ma* scripts for his computations, no modern computer would be able to r