[sage-devel] Re: Poll: deprecate backslash operator

[John H Palmieri]

By the way, see https://github.com/sagemath/sage/issues/36194 for a bug 
related to the preparser and "\".

On Tuesday, October 3, 2023 at 9:59:47 PM UTC-7 John H Palmieri wrote:

> The votes are overwhelmingly in favor of deprecating. I have opened 
> https://github.com/sagemath/sage/pull/36394 for this.
>
>
> On Monday, October 2, 2023 at 3:42:38 AM UTC-7 kcrisman wrote:
>
>> Though I am sympathetic to the pro-deprecation arguments and recognize 
>> they will win, I vote do not deprecate, as mission includes Matlab, and for 
>> backwards compatibility.  As an example, the first edition of the 
>> AMS-published "Sage for Undergraduates" used the backslash operator in a 
>> number of examples (comparing it explicitly with other solving methods for 
>> linear systems), so I presume the second edition has maintained that 
>> (though I don't personally own it and can't verify immediately; a related 
>> website does not seem to have all code examples).
>>
>> On Sunday, October 1, 2023 at 6:59:39 AM UTC-4 Ricardo Buring wrote:
>>
>>> Deprecate the pre-parsing of \
>>> the backslash operator please.
>>>
>>>

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[sage-devel] Re: Poll: deprecate backslash operator

[John H Palmieri]

The votes are overwhelmingly in favor of deprecating. I have opened 
https://github.com/sagemath/sage/pull/36394 for this.


On Monday, October 2, 2023 at 3:42:38 AM UTC-7 kcrisman wrote:

> Though I am sympathetic to the pro-deprecation arguments and recognize 
> they will win, I vote do not deprecate, as mission includes Matlab, and for 
> backwards compatibility.  As an example, the first edition of the 
> AMS-published "Sage for Undergraduates" used the backslash operator in a 
> number of examples (comparing it explicitly with other solving methods for 
> linear systems), so I presume the second edition has maintained that 
> (though I don't personally own it and can't verify immediately; a related 
> website does not seem to have all code examples).
>
> On Sunday, October 1, 2023 at 6:59:39 AM UTC-4 Ricardo Buring wrote:
>
>> Deprecate the pre-parsing of \
>> the backslash operator please.
>>
>>

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Re: [sage-devel] SageMath 10.1 for macOs ARM randomly fails to compute the Riemann/Ricci tensor or Ricci scalar when using threads

[Alejandro Marino Vaquero Avilés-Casco]

Thank you, Eric. Indeed, that’s the issue, and I’m happy to see some clever 
people are working on it.

> El 3 oct 2023, a las 10:55, Eric Gourgoulhon  
> escribió:
> 
> Hi, 
> 
> Le lundi 2 octobre 2023 à 13:42:29 UTC+2, Alejandro Marino Vaquero 
> Avilés-Casco a écrit :
> When running sagemath release version 10.1 in macOs for the arm architecture 
> (the target tested has a M2 processor) with multiple threads, the calculation 
> of the Riemann tensor, the Ricci tensor or the Ricci scalar normally fails, 
> although sometimes it randomly success. Executing single thread solves the 
> problem. 
> 
> This is the issue 
> https://github.com/sagemath/sage/issues/35580
> regarding Sage parallel computations on macOS.
> Many macOS users are facing it and I hope it will be solved someday...
> 
> Eric. 
> 
> 
> 
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[sage-devel] Re: SageMath 10.1 for macOs ARM randomly fails to compute the Riemann/Ricci tensor or Ricci scalar when using threads

[Eric Gourgoulhon]

Hi, 

Le lundi 2 octobre 2023 à 13:42:29 UTC+2, Alejandro Marino Vaquero 
Avilés-Casco a écrit :

When running sagemath release version 10.1 in macOs for the arm 
architecture (the target tested has a M2 processor) with multiple threads, 
the calculation of the Riemann tensor, the Ricci tensor or the Ricci scalar 
normally fails, although sometimes it randomly success. Executing single 
thread solves the problem. 


This is the issue 
https://github.com/sagemath/sage/issues/35580
regarding Sage parallel computations on macOS.
Many macOS users are facing it and I hope it will be solved someday...

Eric. 


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