Services & Resources / Wolfram Forums / MathGroup Archive
-----

MathGroup Archive 2012

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Sending an interrupt to the frontend?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg127436] Re: Sending an interrupt to the frontend?
  • From: Ralph Dratman <ralph.dratman at gmail.com>
  • Date: Wed, 25 Jul 2012 02:30:55 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • Delivered-to: mathgroup-newout@smc.vnet.net
  • Delivered-to: mathgroup-newsend@smc.vnet.net
  • References: <jtj5ro$5ml$1@smc.vnet.net>

Yves,

Do you know any way to prevent the insertion of code classified as
"dynamic"? I don't knowingly use any code of that kind, yet I
frequently see a message to the effect that my notebook contains
"unsafe" dynamic content!

Ralph


On Fri, Jul 20, 2012 at 3:48 AM, Yves Klett <yves.klett at googlemail.com> wrote:
> Michael,
>
> the subjective stability changed brutally between versions 5 and 6 with
> the introduction of the whole dynamic frontend stuff. With version 6 and
> all the very desirable interactivity the number of kernel kills rocketed
> for me.
>
> If you use this heavily there are often hangs/crashes that seem
> difficult to reproduce. Sometimes it works, sometimes it does not. Which
> can be quite vexing. Of course this may still be due to bad programming,
> but in a rather non-deterministic fashion.
>
> Regards,
> Yves
>
> Am 19.07.2012 09:51, schrieb Michael Weyrauch:
>> Ralph,
>>
>>     I really would like to understand your critical remarks somewhat
>> better.
>>
>> It is clear that one can easily and quickly run the frontend irresponsive.
>> However, in most cases I know, this is actually due to bad programming
>> (from Mathematica's point of view) rather than an instable product.
>>
>> One typical reason is that a command returns symbolic results where the
>> programmer actually expected only numerical stuff, and quickly things get completely out of hand.  But how should Mathematica know that all this was not intended?
>>
>> It is the tremendous flexibility and the many possibilities which
>> sometims get into the way, and as a consequence the frontend can not
>> handle the output from the kernel any more.
>>
>> I really do not understand where you expect Wolfram to get "its act
>> together". My experience tells me: A good Mathematica program may run
>> for days without any instability. But my stupitidy and/or lasy
>> programming can run it against
>> the wall within seconds. Mathematica as such is definitely not unstable.
>> (of course, sometimes there are bugs as with any other major (and minor)
>> software).
>>
>> Michael
>>
>>
>> Am 15.07.2012 10:28, schrieb Ralph Dratman:
>>> David,
>>>
>>> "Troublesome" puts the matter rather tactfully.
>>>
>>> Bluntly, there is no excuse for a major product to display such a
>>> level of instability in 2012.
>>>
>>> Since I personally like Mathematica so much, and because I use it
>>> constantly, I find the crashes to be both an embarrassment and a
>>> disappointment.
>>>
>>> I can only hope Wolfram Research will soon get its act together on
>>> this critically important issue.
>>>
>>> Ralph
>>>
>>>
>>> On Sat, Jul 14, 2012 at 1:28 AM, David Bailey <dave at removedbailey.co.uk> wrote:
>>>> On 12/07/2012 10:00, Yves Klett wrote:
>>>>> In earlier incarnations, the kernel would show up as a separate entry in
>>>>> the taskbar (on Win XP, that was), which made it very convenient to
>>>>> kill. I kind of miss that behaviour (when things go wrong repeatedly).
>>>>
>>>> I wrote a C program that executes the command
>>>>
>>>> c:\windows\System32\taskkill.exe /im MathKernel.exe /t /f
>>>>
>>>> This runs in the background all the time, and responds to a hot key!
>>>>
>>>> The fact that I took time to set this up, probably reflects just how
>>>> troublesome kernel hangs can be!
>>>>
>>>> Perhaps at the very least Mathematica could spawn a program of this type.
>>>>
>>>> David Bailey
>>>> http://www.dbaileyconsultancy.co.uk
>>>>
>>>>
>>>
>>
>>
>



  • Prev by Date: Re: How FFT workks? (analytical example)
  • Next by Date: Re: Using Fit to interpolate data
  • Previous by thread: Re: Sending an interrupt to the frontend?
  • Next by thread: Re: Sending an interrupt to the frontend?