Re: [sage-devel] Re: Make OpenBLAS Error

2017-04-11 Thread Steven Trogdon 
>From a bash shell where you build Sage:

export OPENBLAS_CONFIGURE="TARGET=ATOM" MAKE="make -j5 -l3.5"

should set the important variables. This is the MAKE I use for a very, very 
old 4 core machine. The OPENBLAS_CONFIGURE variable is alluded to 
in build/pkgs/openblas/spkg-check but I find it no where else. Somewhere in 
the openblas code there is a listing of supported architectures. I don't 
know how many ATOM processor variations there are? And getting the openblas 
code to work properly is probably an upstream issue.

On Tuesday, April 11, 2017 at 2:23:42 PM UTC-5, Ackbach wrote:
>
> All right! Sage 7.6 compiled correctly, so far as I know. I haven't run 
> the tests, but it opens into a notebook in Firefox, and correctly computes
>
> integrate(e^(-x^2),x,-infinity,infinity)
>
> Is there a way to combine the OPENBLAS_CONFIGURE command with the -j4 
> option for using multiple cores to compile? It did take a VERY long time to 
> compile - I think it was about 8 hours. 
>
> In any case, targeting an ATOM processor seems like a common-enough 
> occurrence that it deserves a mention in the manual, if it's not there 
> already (I haven't looked, and please don't shoot me).
>
> Thanks much!
>
> Cheers.
>
> On Tuesday, April 11, 2017 at 6:50:10 AM UTC-4, Ackbach wrote:
>>
>> 7.5.1 failed to build. Looks like the same error as before. I'll try 
>> Steven's linked suggestion with 7.6, and see if that flies. 
>>
>> Thanks for all your help, by the way! 
>>
>> One suggestion: if the OPENBLAS_CONFIGURE="TARGET=ATOM" make command 
>> builds everything correctly, then maybe the next version of Sage could 
>> automate processor detection and do the right switches on that basis? 
>>
>> Cheers.
>>
>> On Tuesday, April 11, 2017 at 12:45:44 AM UTC-4, Steven Trogdon wrote:
>>>
>>> It is curious that 7.5.1 would build but not 7.6. You might get some 
>>> mileage with
>>>
>>> OPENBLAS_CONFIGURE="TARGET=ATOM" make 
>>>
>>> See this thread:
>>>
>>> https://groups.google.com/forum/#!topic/sage-release/3QJoAgg9bgo
>>>
>>> On Monday, April 10, 2017 at 8:00:51 PM UTC-5, Ackbach wrote:

 I'm afraid I don't have that data. I will say I've never been able to 
 compile Sage 7.6 the first time. I have definitely been able to compile 
 7.5.1 and earlier the first time, though sometimes there are still errors. 
 I can try to compile 7.5.1 on this machine and get back to you how it 
 works.

 On Monday, April 10, 2017 at 4:17:38 PM UTC-4, François wrote:
>
> Did it start happening with openblas 0.2.19 or did it suddenly happen 
> one release build openblas 0.2.19 successfully and the next didn’t? 
> I suspect it is a CPU detection problem, we have seen similar logs 
> before on atom chips. 
>
> François 
>
> > On 11/04/2017, at 07:45, Ackbach  wrote: 
> > 
> > Having issues building the same package. Only I get a different log 
> file. I always prefer building Sage from scratch for performance, but 
> have 
> lately been having trouble doing so, as Sage keeps failing to build. 
> Background: 
> > 
> > OS: Debian 8.7, 64-bit. 
> > Sage Version: 7.6. 
> > HW: Lenovo ThinkPad 11e, 120GB SSD, 8GB RAM, Intel Celeron N2940, 
> with 4 cpu cores (as evidenced by the cat /proc/cpuinfo command). 
> > 
> > I follow the instructions for [installing from source](
> http://doc.sagemath.org/html/en/installation/source.html), and I 
> execute the MAKE='make -j4' make command. The compile gets quite a ways 
> into the compile. It finishes compiling maxima, in fact, and then I get 
> the 
> following error message: 
> > 
> > Error building Sage. 
> > 
> > The following package(s) may have failed to build (not necessarily 
> during this run of 'make all'): 
> > 
> > * package: openblas-0.2.19.p0 
> >   log file: 
> /home/akeister/Downloads/sage-7.6/logs/pkgs/openblas-0.2.19.p0.log 
> >   build directory: 
> /home/akeister/Downloads/sage-7.6/local/var/tmp/sage/build/openblas-0.2.19.p0
>  
>
> > 
> > I have attached the indicated log file, where it says to contact 
> this group. You can see that the issue is different from the OP, but it's 
> still a problem compiling that package. 
> > 
> > Ideas? 
> > 
> > Thanks for your time! 
> > 
> > Cheers, 
> > Adrian 
> > 
> > On Wednesday, October 12, 2016 at 12:43:20 PM UTC-4, Ethan Petersen 
> wrote: 
> > Hello all, 
> > 
> > I'm building sage on a Lenovo Thinkpad W540 with Ubuntu 16.04, and 
> there was an "Error building OpenBLAS"/"Error installing package 
> openblas-0.2.19" with a suggestion to email this google group with the 
> attached log file. If anyone has ideas on solving this issue, please let 
> me 
> know! 
> > 
> > Thanks, 
> > 
> > Ethan 
> > 
> > -- 
> > You received this

Re: [sage-devel] Re: Make OpenBLAS Error

2017-04-11 Thread Ackbach 
All right! Sage 7.6 compiled correctly, so far as I know. I haven't run the 
tests, but it opens into a notebook in Firefox, and correctly computes

integrate(e^(-x^2),x,-infinity,infinity)

Is there a way to combine the OPENBLAS_CONFIGURE command with the -j4 
option for using multiple cores to compile? It did take a VERY long time to 
compile - I think it was about 8 hours. 

In any case, targeting an ATOM processor seems like a common-enough 
occurrence that it deserves a mention in the manual, if it's not there 
already (I haven't looked, and please don't shoot me).

Thanks much!

Cheers.

On Tuesday, April 11, 2017 at 6:50:10 AM UTC-4, Ackbach wrote:
>
> 7.5.1 failed to build. Looks like the same error as before. I'll try 
> Steven's linked suggestion with 7.6, and see if that flies. 
>
> Thanks for all your help, by the way! 
>
> One suggestion: if the OPENBLAS_CONFIGURE="TARGET=ATOM" make command 
> builds everything correctly, then maybe the next version of Sage could 
> automate processor detection and do the right switches on that basis? 
>
> Cheers.
>
> On Tuesday, April 11, 2017 at 12:45:44 AM UTC-4, Steven Trogdon wrote:
>>
>> It is curious that 7.5.1 would build but not 7.6. You might get some 
>> mileage with
>>
>> OPENBLAS_CONFIGURE="TARGET=ATOM" make 
>>
>> See this thread:
>>
>> https://groups.google.com/forum/#!topic/sage-release/3QJoAgg9bgo
>>
>> On Monday, April 10, 2017 at 8:00:51 PM UTC-5, Ackbach wrote:
>>>
>>> I'm afraid I don't have that data. I will say I've never been able to 
>>> compile Sage 7.6 the first time. I have definitely been able to compile 
>>> 7.5.1 and earlier the first time, though sometimes there are still errors. 
>>> I can try to compile 7.5.1 on this machine and get back to you how it works.
>>>
>>> On Monday, April 10, 2017 at 4:17:38 PM UTC-4, François wrote:

 Did it start happening with openblas 0.2.19 or did it suddenly happen 
 one release build openblas 0.2.19 successfully and the next didn’t? 
 I suspect it is a CPU detection problem, we have seen similar logs 
 before on atom chips. 

 François 

 > On 11/04/2017, at 07:45, Ackbach  wrote: 
 > 
 > Having issues building the same package. Only I get a different log 
 file. I always prefer building Sage from scratch for performance, but have 
 lately been having trouble doing so, as Sage keeps failing to build. 
 Background: 
 > 
 > OS: Debian 8.7, 64-bit. 
 > Sage Version: 7.6. 
 > HW: Lenovo ThinkPad 11e, 120GB SSD, 8GB RAM, Intel Celeron N2940, 
 with 4 cpu cores (as evidenced by the cat /proc/cpuinfo command). 
 > 
 > I follow the instructions for [installing from source](
 http://doc.sagemath.org/html/en/installation/source.html), and I 
 execute the MAKE='make -j4' make command. The compile gets quite a ways 
 into the compile. It finishes compiling maxima, in fact, and then I get 
 the 
 following error message: 
 > 
 > Error building Sage. 
 > 
 > The following package(s) may have failed to build (not necessarily 
 during this run of 'make all'): 
 > 
 > * package: openblas-0.2.19.p0 
 >   log file: 
 /home/akeister/Downloads/sage-7.6/logs/pkgs/openblas-0.2.19.p0.log 
 >   build directory: 
 /home/akeister/Downloads/sage-7.6/local/var/tmp/sage/build/openblas-0.2.19.p0
  

 > 
 > I have attached the indicated log file, where it says to contact this 
 group. You can see that the issue is different from the OP, but it's still 
 a problem compiling that package. 
 > 
 > Ideas? 
 > 
 > Thanks for your time! 
 > 
 > Cheers, 
 > Adrian 
 > 
 > On Wednesday, October 12, 2016 at 12:43:20 PM UTC-4, Ethan Petersen 
 wrote: 
 > Hello all, 
 > 
 > I'm building sage on a Lenovo Thinkpad W540 with Ubuntu 16.04, and 
 there was an "Error building OpenBLAS"/"Error installing package 
 openblas-0.2.19" with a suggestion to email this google group with the 
 attached log file. If anyone has ideas on solving this issue, please let 
 me 
 know! 
 > 
 > Thanks, 
 > 
 > Ethan 
 > 
 > -- 
 > You received this message because you are subscribed to the Google 
 Groups "sage-devel" group. 
 > To unsubscribe from this group and stop receiving emails from it, 
 send an email to sage-devel+...@googlegroups.com. 
 > To post to this group, send email to sage-...@googlegroups.com. 
 > Visit this group at https://groups.google.com/group/sage-devel. 
 > For more options, visit https://groups.google.com/d/optout. 
 >  



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Re: [sage-devel] Re: Make OpenBLAS Error

2017-04-11 Thread Ackbach 
7.5.1 failed to build. Looks like the same error as before. I'll try 
Steven's linked suggestion with 7.6, and see if that flies. 

Thanks for all your help, by the way! 

One suggestion: if the OPENBLAS_CONFIGURE="TARGET=ATOM" make command builds 
everything correctly, then maybe the next version of Sage could automate 
processor detection and do the right switches on that basis? 

Cheers.

On Tuesday, April 11, 2017 at 12:45:44 AM UTC-4, Steven Trogdon wrote:
>
> It is curious that 7.5.1 would build but not 7.6. You might get some 
> mileage with
>
> OPENBLAS_CONFIGURE="TARGET=ATOM" make 
>
> See this thread:
>
> https://groups.google.com/forum/#!topic/sage-release/3QJoAgg9bgo
>
> On Monday, April 10, 2017 at 8:00:51 PM UTC-5, Ackbach wrote:
>>
>> I'm afraid I don't have that data. I will say I've never been able to 
>> compile Sage 7.6 the first time. I have definitely been able to compile 
>> 7.5.1 and earlier the first time, though sometimes there are still errors. 
>> I can try to compile 7.5.1 on this machine and get back to you how it works.
>>
>> On Monday, April 10, 2017 at 4:17:38 PM UTC-4, François wrote:
>>>
>>> Did it start happening with openblas 0.2.19 or did it suddenly happen 
>>> one release build openblas 0.2.19 successfully and the next didn’t? 
>>> I suspect it is a CPU detection problem, we have seen similar logs 
>>> before on atom chips. 
>>>
>>> François 
>>>
>>> > On 11/04/2017, at 07:45, Ackbach  wrote: 
>>> > 
>>> > Having issues building the same package. Only I get a different log 
>>> file. I always prefer building Sage from scratch for performance, but have 
>>> lately been having trouble doing so, as Sage keeps failing to build. 
>>> Background: 
>>> > 
>>> > OS: Debian 8.7, 64-bit. 
>>> > Sage Version: 7.6. 
>>> > HW: Lenovo ThinkPad 11e, 120GB SSD, 8GB RAM, Intel Celeron N2940, with 
>>> 4 cpu cores (as evidenced by the cat /proc/cpuinfo command). 
>>> > 
>>> > I follow the instructions for [installing from source](
>>> http://doc.sagemath.org/html/en/installation/source.html), and I 
>>> execute the MAKE='make -j4' make command. The compile gets quite a ways 
>>> into the compile. It finishes compiling maxima, in fact, and then I get the 
>>> following error message: 
>>> > 
>>> > Error building Sage. 
>>> > 
>>> > The following package(s) may have failed to build (not necessarily 
>>> during this run of 'make all'): 
>>> > 
>>> > * package: openblas-0.2.19.p0 
>>> >   log file: 
>>> /home/akeister/Downloads/sage-7.6/logs/pkgs/openblas-0.2.19.p0.log 
>>> >   build directory: 
>>> /home/akeister/Downloads/sage-7.6/local/var/tmp/sage/build/openblas-0.2.19.p0
>>>  
>>>
>>> > 
>>> > I have attached the indicated log file, where it says to contact this 
>>> group. You can see that the issue is different from the OP, but it's still 
>>> a problem compiling that package. 
>>> > 
>>> > Ideas? 
>>> > 
>>> > Thanks for your time! 
>>> > 
>>> > Cheers, 
>>> > Adrian 
>>> > 
>>> > On Wednesday, October 12, 2016 at 12:43:20 PM UTC-4, Ethan Petersen 
>>> wrote: 
>>> > Hello all, 
>>> > 
>>> > I'm building sage on a Lenovo Thinkpad W540 with Ubuntu 16.04, and 
>>> there was an "Error building OpenBLAS"/"Error installing package 
>>> openblas-0.2.19" with a suggestion to email this google group with the 
>>> attached log file. If anyone has ideas on solving this issue, please let me 
>>> know! 
>>> > 
>>> > Thanks, 
>>> > 
>>> > Ethan 
>>> > 
>>> > -- 
>>> > You received this message because you are subscribed to the Google 
>>> Groups "sage-devel" group. 
>>> > To unsubscribe from this group and stop receiving emails from it, send 
>>> an email to sage-devel+...@googlegroups.com. 
>>> > To post to this group, send email to sage-...@googlegroups.com. 
>>> > Visit this group at https://groups.google.com/group/sage-devel. 
>>> > For more options, visit https://groups.google.com/d/optout. 
>>> >  
>>>
>>>

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Re: [sage-devel] Re: Make OpenBLAS Error

2017-04-10 Thread Steven Trogdon 
It is curious that 7.5.1 would build but not 7.6. You might get some 
mileage with

OPENBLAS_CONFIGURE="TARGET=ATOM" make 

See this thread:

https://groups.google.com/forum/#!topic/sage-release/3QJoAgg9bgo

On Monday, April 10, 2017 at 8:00:51 PM UTC-5, Ackbach wrote:
>
> I'm afraid I don't have that data. I will say I've never been able to 
> compile Sage 7.6 the first time. I have definitely been able to compile 
> 7.5.1 and earlier the first time, though sometimes there are still errors. 
> I can try to compile 7.5.1 on this machine and get back to you how it works.
>
> On Monday, April 10, 2017 at 4:17:38 PM UTC-4, François wrote:
>>
>> Did it start happening with openblas 0.2.19 or did it suddenly happen 
>> one release build openblas 0.2.19 successfully and the next didn’t? 
>> I suspect it is a CPU detection problem, we have seen similar logs 
>> before on atom chips. 
>>
>> François 
>>
>> > On 11/04/2017, at 07:45, Ackbach  wrote: 
>> > 
>> > Having issues building the same package. Only I get a different log 
>> file. I always prefer building Sage from scratch for performance, but have 
>> lately been having trouble doing so, as Sage keeps failing to build. 
>> Background: 
>> > 
>> > OS: Debian 8.7, 64-bit. 
>> > Sage Version: 7.6. 
>> > HW: Lenovo ThinkPad 11e, 120GB SSD, 8GB RAM, Intel Celeron N2940, with 
>> 4 cpu cores (as evidenced by the cat /proc/cpuinfo command). 
>> > 
>> > I follow the instructions for [installing from source](
>> http://doc.sagemath.org/html/en/installation/source.html), and I execute 
>> the MAKE='make -j4' make command. The compile gets quite a ways into the 
>> compile. It finishes compiling maxima, in fact, and then I get the 
>> following error message: 
>> > 
>> > Error building Sage. 
>> > 
>> > The following package(s) may have failed to build (not necessarily 
>> during this run of 'make all'): 
>> > 
>> > * package: openblas-0.2.19.p0 
>> >   log file: 
>> /home/akeister/Downloads/sage-7.6/logs/pkgs/openblas-0.2.19.p0.log 
>> >   build directory: 
>> /home/akeister/Downloads/sage-7.6/local/var/tmp/sage/build/openblas-0.2.19.p0
>>  
>>
>> > 
>> > I have attached the indicated log file, where it says to contact this 
>> group. You can see that the issue is different from the OP, but it's still 
>> a problem compiling that package. 
>> > 
>> > Ideas? 
>> > 
>> > Thanks for your time! 
>> > 
>> > Cheers, 
>> > Adrian 
>> > 
>> > On Wednesday, October 12, 2016 at 12:43:20 PM UTC-4, Ethan Petersen 
>> wrote: 
>> > Hello all, 
>> > 
>> > I'm building sage on a Lenovo Thinkpad W540 with Ubuntu 16.04, and 
>> there was an "Error building OpenBLAS"/"Error installing package 
>> openblas-0.2.19" with a suggestion to email this google group with the 
>> attached log file. If anyone has ideas on solving this issue, please let me 
>> know! 
>> > 
>> > Thanks, 
>> > 
>> > Ethan 
>> > 
>> > -- 
>> > You received this message because you are subscribed to the Google 
>> Groups "sage-devel" group. 
>> > To unsubscribe from this group and stop receiving emails from it, send 
>> an email to sage-devel+...@googlegroups.com. 
>> > To post to this group, send email to sage-...@googlegroups.com. 
>> > Visit this group at https://groups.google.com/group/sage-devel. 
>> > For more options, visit https://groups.google.com/d/optout. 
>> >  
>>
>>

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Re: [sage-devel] Re: Make OpenBLAS Error

2017-04-10 Thread Francois Bissey 
OK 7.5.1 and 7.6 have the same version of openblas, so something else changed
to cause the build failure.
So, yes try to build 7.5.1 again. If it fails now, the cause is likely a change 
in 
the host system. If it succeeds that’s probably something else in sage that 
changed.

> On 11/04/2017, at 13:00, Ackbach  wrote:
> 
> I'm afraid I don't have that data. I will say I've never been able to compile 
> Sage 7.6 the first time. I have definitely been able to compile 7.5.1 and 
> earlier the first time, though sometimes there are still errors. I can try to 
> compile 7.5.1 on this machine and get back to you how it works.

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Re: [sage-devel] Re: Make OpenBLAS Error

2017-04-10 Thread Ackbach 
I'm afraid I don't have that data. I will say I've never been able to 
compile Sage 7.6 the first time. I have definitely been able to compile 
7.5.1 and earlier the first time, though sometimes there are still errors. 
I can try to compile 7.5.1 on this machine and get back to you how it works.

On Monday, April 10, 2017 at 4:17:38 PM UTC-4, François wrote:
>
> Did it start happening with openblas 0.2.19 or did it suddenly happen 
> one release build openblas 0.2.19 successfully and the next didn’t? 
> I suspect it is a CPU detection problem, we have seen similar logs 
> before on atom chips. 
>
> François 
>
> > On 11/04/2017, at 07:45, Ackbach  
> wrote: 
> > 
> > Having issues building the same package. Only I get a different log 
> file. I always prefer building Sage from scratch for performance, but have 
> lately been having trouble doing so, as Sage keeps failing to build. 
> Background: 
> > 
> > OS: Debian 8.7, 64-bit. 
> > Sage Version: 7.6. 
> > HW: Lenovo ThinkPad 11e, 120GB SSD, 8GB RAM, Intel Celeron N2940, with 4 
> cpu cores (as evidenced by the cat /proc/cpuinfo command). 
> > 
> > I follow the instructions for [installing from source](
> http://doc.sagemath.org/html/en/installation/source.html), and I execute 
> the MAKE='make -j4' make command. The compile gets quite a ways into the 
> compile. It finishes compiling maxima, in fact, and then I get the 
> following error message: 
> > 
> > Error building Sage. 
> > 
> > The following package(s) may have failed to build (not necessarily 
> during this run of 'make all'): 
> > 
> > * package: openblas-0.2.19.p0 
> >   log file: 
> /home/akeister/Downloads/sage-7.6/logs/pkgs/openblas-0.2.19.p0.log 
> >   build directory: 
> /home/akeister/Downloads/sage-7.6/local/var/tmp/sage/build/openblas-0.2.19.p0 
>
> > 
> > I have attached the indicated log file, where it says to contact this 
> group. You can see that the issue is different from the OP, but it's still 
> a problem compiling that package. 
> > 
> > Ideas? 
> > 
> > Thanks for your time! 
> > 
> > Cheers, 
> > Adrian 
> > 
> > On Wednesday, October 12, 2016 at 12:43:20 PM UTC-4, Ethan Petersen 
> wrote: 
> > Hello all, 
> > 
> > I'm building sage on a Lenovo Thinkpad W540 with Ubuntu 16.04, and there 
> was an "Error building OpenBLAS"/"Error installing package openblas-0.2.19" 
> with a suggestion to email this google group with the attached log file. If 
> anyone has ideas on solving this issue, please let me know! 
> > 
> > Thanks, 
> > 
> > Ethan 
> > 
> > -- 
> > You received this message because you are subscribed to the Google 
> Groups "sage-devel" group. 
> > To unsubscribe from this group and stop receiving emails from it, send 
> an email to sage-devel+...@googlegroups.com . 
> > To post to this group, send email to sage-...@googlegroups.com 
> . 
> > Visit this group at https://groups.google.com/group/sage-devel. 
> > For more options, visit https://groups.google.com/d/optout. 
> >  
>
>

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Re: [sage-devel] Re: Make OpenBLAS Error

2017-04-10 Thread Francois Bissey 
Did it start happening with openblas 0.2.19 or did it suddenly happen
one release build openblas 0.2.19 successfully and the next didn’t?
I suspect it is a CPU detection problem, we have seen similar logs
before on atom chips.

François

> On 11/04/2017, at 07:45, Ackbach  wrote:
> 
> Having issues building the same package. Only I get a different log file. I 
> always prefer building Sage from scratch for performance, but have lately 
> been having trouble doing so, as Sage keeps failing to build. Background:
> 
> OS: Debian 8.7, 64-bit.
> Sage Version: 7.6.
> HW: Lenovo ThinkPad 11e, 120GB SSD, 8GB RAM, Intel Celeron N2940, with 4 cpu 
> cores (as evidenced by the cat /proc/cpuinfo command). 
> 
> I follow the instructions for [installing from 
> source](http://doc.sagemath.org/html/en/installation/source.html), and I 
> execute the MAKE='make -j4' make command. The compile gets quite a ways into 
> the compile. It finishes compiling maxima, in fact, and then I get the 
> following error message: 
> 
> Error building Sage. 
> 
> The following package(s) may have failed to build (not necessarily during 
> this run of 'make all'):
> 
> * package: openblas-0.2.19.p0 
>   log file: /home/akeister/Downloads/sage-7.6/logs/pkgs/openblas-0.2.19.p0.log
>   build directory: 
> /home/akeister/Downloads/sage-7.6/local/var/tmp/sage/build/openblas-0.2.19.p0
> 
> I have attached the indicated log file, where it says to contact this group. 
> You can see that the issue is different from the OP, but it's still a problem 
> compiling that package. 
> 
> Ideas?
> 
> Thanks for your time!
> 
> Cheers,
> Adrian
> 
> On Wednesday, October 12, 2016 at 12:43:20 PM UTC-4, Ethan Petersen wrote:
> Hello all,
> 
> I'm building sage on a Lenovo Thinkpad W540 with Ubuntu 16.04, and there was 
> an "Error building OpenBLAS"/"Error installing package openblas-0.2.19" with 
> a suggestion to email this google group with the attached log file. If anyone 
> has ideas on solving this issue, please let me know!
> 
> Thanks,
> 
> Ethan
> 
> -- 
> You received this message because you are subscribed to the Google Groups 
> "sage-devel" group.
> To unsubscribe from this group and stop receiving emails from it, send an 
> email to sage-devel+unsubscr...@googlegroups.com.
> To post to this group, send email to sage-devel@googlegroups.com.
> Visit this group at https://groups.google.com/group/sage-devel.
> For more options, visit https://groups.google.com/d/optout.
> 

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Re: [sage-devel] Re: Make OpenBLAS Error

2016-10-16 Thread Ethan Petersen 
Wasn't stated in the build instructions.

On Thursday, October 13, 2016 at 5:03:20 AM UTC-4, François wrote:
>
> Not spending the time compiling gcc to get gfortran? 
>
> François 
>
> > On 13/10/2016, at 22:01, Sébastien Labbé  
> wrote: 
> > 
> > 
> > 
> > On Wednesday, October 12, 2016 at 9:07:24 PM UTC+2, Eric Gourgoulhon 
> wrote: 
> > > with Ubuntu 16.04, if you install the Ubuntu package gfortran-5, your 
> Sage build will use the system gfortran, which works fine (no missing 
> libgfortran.so.3). 
> > 
> > Is there any other reason/advantage for Sage to use the system gfortran? 
> > 
> > Sébastien 
> > 
> > -- 
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>
>

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Re: [sage-devel] Re: Make OpenBLAS Error

2016-10-13 Thread Jeroen Demeyer 

On 2016-10-13 11:31, Sébastien Labbé wrote:

Is there a page in the Sage wiki or Sage documentation about "How to
install Sage from source faster" that gathers all those tricks?


This page is the best I can think of:
http://doc.sagemath.org/html/en/installation/source.html


For example, how do I know that the architecture of my dual core os x
laptop is|CoreDuo or |||Core2| or Corei2 or whatever when I want to set
the |||SAGE_ATLAS_ARCH?


Sage no longer compiles ATLAS by default.

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Re: [sage-devel] Re: Make OpenBLAS Error

2016-10-13 Thread Sébastien Labbé 
Is there a page in the Sage wiki or Sage documentation about "How to 
install Sage from source faster" that gathers all those tricks?

The only thing I currently use is parallel stuff : export MAKE = "make -j4"

For example, how do I know that the architecture of my dual core os x 
laptop is CoreDuo or Core2 or Corei2 or whatever when I want to set the 
SAGE_ATLAS_ARCH?

http://doc.sagemath.org/html/en/installation/source.html#environment-variables

On Thursday, October 13, 2016 at 11:03:20 AM UTC+2, François wrote:
>
> Not spending the time compiling gcc to get gfortran? 
>
> François 
>
> > On 13/10/2016, at 22:01, Sébastien Labbé  
> wrote: 
> > 
> > 
> > 
> > On Wednesday, October 12, 2016 at 9:07:24 PM UTC+2, Eric Gourgoulhon 
> wrote: 
> > > with Ubuntu 16.04, if you install the Ubuntu package gfortran-5, your 
> Sage build will use the system gfortran, which works fine (no missing 
> libgfortran.so.3). 
> > 
> > Is there any other reason/advantage for Sage to use the system gfortran? 
> > 
> > Sébastien 
> > 
> > -- 
> > You received this message because you are subscribed to the Google 
> Groups "sage-devel" group. 
> > To unsubscribe from this group and stop receiving emails from it, send 
> an email to sage-devel+...@googlegroups.com . 
> > To post to this group, send email to sage-...@googlegroups.com 
> . 
> > Visit this group at https://groups.google.com/group/sage-devel. 
> > For more options, visit https://groups.google.com/d/optout. 
>
>

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Re: [sage-devel] Re: Make OpenBLAS Error

2016-10-13 Thread Francois Bissey 
Not spending the time compiling gcc to get gfortran?

François

> On 13/10/2016, at 22:01, Sébastien Labbé  wrote:
> 
> 
> 
> On Wednesday, October 12, 2016 at 9:07:24 PM UTC+2, Eric Gourgoulhon wrote:
> > with Ubuntu 16.04, if you install the Ubuntu package gfortran-5, your Sage 
> > build will use the system gfortran, which works fine (no missing 
> > libgfortran.so.3). 
> 
> Is there any other reason/advantage for Sage to use the system gfortran?
> 
> Sébastien
> 
> -- 
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