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Parallel programming

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Hello,


I have come to an interresting subject...

I have offen read some comments about parallel programming
and Object oriented programming and Functional programming,
and i will bring my comments about them...

You will read about parallel programming that it's hard/difficult ,
cause parallel programming adds more layers to serial
programming, in those added layers in parallel programming we have
to think not only about serial programming algorithmic and such...
but we have also to think about parallel correctness and parallel
performance... and i have heared comments that says that proving
parallel correctness is a difficult task in complex systems ,
so you have to proove that your parallel program is free of
deadlocks and free of race conditions and free of starvation etc.
this is what is making parallel programming a difficult task,
but as you have seen me saying to you on this forum that the "quality" 
of the learning process of the "what is" and "how to"  is also a good 
tool that enhance the safety of parallel systems and the safety of 
parallel realtime critical systems and the performance, hence a good way 
of doing is also using external parallel libraries that are implemented 
by people who "knows" how to implement correctly  synchronization 
algorithms and that knows how to implement correctly
parallel programs, and i think that this way of doing is an effective 
way i think to avoid deadlock , race conditions etc. and on the critera
of performance that's the same, i think you have to use external
libraries that are done by people who know how to optimize
parallel algorithms to be sure that  parallel libraries
meet the requirement of good performance, so as you have seen me talking 
about Functional programming and Object oriented programming i have also 
said that Bartosz Milewski here: http://bartoszmilewski.com/  is trying 
to convert C++ people and programmers to Functional programming, but i 
have commented on the writings of Bartosz Milewski and said that his way 
of thinking is an extremist view/way... cause what he is trying to do is 
analyzing programming languages from the point views and criterias such 
as composability and easy of maintenance etc. and what Bartosz Milewski 
have said is that Functional programming such as Haskel permit a greater 
composability and do improve
the criteria of maintainability and reliability etc.
and what i have noticed that Bartosz Milewski is saying
that Functional programming is something that we can not avoid
hence it is like something mandatory, this is why i have said
that it is an extremist point of view, cause i am convinced
that the way to improve reliability and performance and
maintanability is not only a consequence of the quality of
a programming language but it is also a consequence
of good quality reusability , so what i want to emphasis
in my post is that i am a fan of this criteria that we call
reusability and i am convinced that to improve realiability and 
performance etc. we have to use good external libraries and good 
external objects and parallel objects wrote by people that know
how to implement correct parallel programs and fast parallel programs, 
so in my opinion, that`s also a good way to improve parallel programming 
and programming in general.



Thank you,
Amine Moulay Ramdane.

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Parallel programming Ramine <ramine@1.1> - 2014-11-01 15:59 -0700

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