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Re: Here is all my text about my USL programs...

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W dniu piątek, 22 kwietnia 2016 21:27:20 UTC+2 użytkownik Ramine napisał:
> Hello,
> 
> 
> Here is all my text about my USL programs...
> 
> I have to set it more right and more precise..
> 
> So here is my other proof again...
> 
> If the serial part of the Amdahl's law is bigger, you have
> more chance to hit the contention, so there is more chance
> that USL will give a good approximation of the predicted
> scalability up to 10X the maximum number of cores and threads
> of the performance data measurements.., but let say the serial part
> of the Amdahl's law is bigger and is  1/4 the parallel part of the 
> Amdahl's law, and let say the parallel part is variable and it makes the 
> USL methodology escape the contention at fewer core and fewer threads, 
> the USL methodology will have much more chance at fewer cores
> and fewer threads to give a good approximation up to 10X the maximum 
> number of cores and threads of the performance data measurements.., you 
> can feel and confirm it  by statistically using more examples of the 
> follwing above cases and calculating it..
> 
> But if the serial part is smaller , so there is more chance that
> USL methodology will escape contention at fewer core and fewer
> threads. so there is more chance that USL will give a good approximation 
> of the predicted scalability up to 10X the maximum number of cores and 
> threads of the performance data measurements..
> 
> So overall. the USL methodology will be able to forecast scalability
> with a better approximation up to 10X the maximum number of cores and 
> threads of the performance data measurements..
> 
> If you have followed my previous proof of my previous post..
> i have said that USL methodology can predict scalability up
> to 10X the maximum number of cores and threads of the performance
> data measurements..
> 
> So now look at this link about the USL methodology about
> mixed workload on Ecommerce websites from Dr. Gunther the author
> of USL methodology:
> 
> http://perfdynamics.blogspot.ca/2009/04/assessing-usl-scalability-with-mixed.html
> 
> I think from my proof, i say that Dr. Gunther is making a mistake,
> because in this eCommerce example of the link above, since
> we can predict scalability of the database server system up
> to 10X the maximum number of cores and threads of the
> performance data measurements, so the Dr. Gunther solution
> is not a general solution , so my solution for this, is that
> you have to use the right number of cores and number of threads
> in the database system server side that ensure us to have
> a more linear scalability when there internet users are using the 
> database system..and since the internet network have a more linear 
> scalability, so the USL methodology in my solution will be able to 
> predict scalability of the eCommerce website, so this is my solution.
> 
> 
> About my previous post about mixed workload and eCommerce websites..
> 
> You have seen my previous general solution about this case..
> 
> I will make it more precise: if you want to apply the
> USL methodology with my USL programs to mixed workload
> of eCommerce websites, i think here is necessary
> conditions:
> 
> 1- the mean time of the inter-arrivals of the internet users is
> assumed to be a good approximation.
> 
> 2- the webserver database systems must be set with the
>     right number of cores and the right number of threads
>    that ensure a more linear scalability.
> 
> 3- the internet network is assumed to have a more linear
>     scalability even if its derivative of its linear scalability is 
> negative.
> 
> So those necessary conditions permit the nonlinear regression
> of my USL programs to predict scalability of eCommerce websites.
> 
> So that makes my USL programs an amazing great tools to foerecast
> scalability, and it makes the USL methodology an amazing great tool.
> 
> A you have noticed i have given a proof that my USL
> programs can forecast scalability up to 10X the maximum number
> of cores and threads of the performance data measurements,
> this is useful, other than that, this 10X is the right number
> that optimizes the criterion of the cost, so when you want
> to buy bigger NUMA systems, make sure that you buy them
> with the right configuration that permit to add more processors
> and more memory, this way you will be able to test again empirically
> the Computer NUMA system that you have bought  with my USL programs,
> to better forecast again farther the scalability and optimize more
> the criterion of the cost, so as you have noticed my USL programs
> are great tools and important tools !
> 
> Here is my contributions of my USL programs..
> 
> I have first implemented a solver for my USL program that
> is polynomial regression, this solver must make
> the a0 coefficient of the mathematical series to 0, but this solver
> is not so efficient as my other solver that i have implemented
> that is nonlinear regression using the simplex method of
> of Nelder and Mead as a function minimization, this nonlinear
> solver that i have implemented works perfectly and is more
> efficient than the solver that uses polynomial regression,
> also my contribution is my USL programs that is called usl_graph
> that provides you with a more interractive graphical chart that
> permit you to optimize more the criterion of the cost, i think
> that the other R package is less powerful on this option.
> 
> Also in my USL programs i have calculated and feed my nonlinear solver 
> with partial derivatives of the USL equation:
> 
> C(N)  = N/(1 + α (N − 1) + β N (N − 1))
> 
> I have calculated the partial derivative with respect to
> α of the above USL equation, and i have calculated the partial 
> derivative with respect to β of the above USL equation, and the
> two partial derivatives must be given to my nonlinear solver
> that uses the simplex method of of Nelder and Mead as a function 
> minimization.
> 
> Please try my USL programs because they are working great and
> they predict scalability !
> 
> Now about my USL programs solvers...
> 
> I have used a second implementation of the BFGS  Quasi-Newton 
> second-derivative line search family method as minimization function
> for my nonlinear regression solver of USL programs, it is
> one of the most powerful methods to solve unconstrained optimization 
> problem , but it didn't solve all the problems that the simplex method 
> of Nelder an Mead all solved, so i think i will stay with my nonlinear 
> regression solver that uses the simplex method of Nelder and Mead that 
> have solved all the problems that i have given to it, i think it is a 
> good solver for my purpose of my USL programs.
> 
> How to validate my USL programs to be sure that they work correctly ?
> 
> I have first tested my USL programs with polynomial regression
> against the R package of USL with the default solver with the raytracer 
> performance data of the R package and they are giving the same results 
> that is the peak number of processors at 449 and the same predicted 
> scalability, but my nonlinear solver that uses the simplex method as
> a function minimization  is giving a very good approximation
> of the predicted scalability, i have also tested with other performance 
> data from my parallel LZMA algorithm and parallel LZ4 algorithm
> of my parallel compression library and the R package is giving
> the same results as my USL program solvers.
> 
> So you can be confident with my USL programs because they are working
> great and are great tools for predicting scalability.
> 
> I have included the 32 bit and 64 bit windows executables of my
> programs inside the zip file to easy the job for you.
> 
> 
> I have included the 32 bit and 64 bit windows executables of my
> programs inside the zip file to easy the job for you.
> 
> You can download my USL programs version 3.0 with the source code from:
> 
> https://sites.google.com/site/aminer68/universal-scalability-law-for-delphi-and-freepascal
> 
> 
> 
> Thank you,
> Amine Moulay Ramdane.

get off brickass

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Re: Here is all my text about my USL programs... fir <profesor.fir@gmail.com> - 2016-04-22 22:42 -0700
  Re: Here is all my text about my USL programs... BartC <bc@freeuk.com> - 2016-04-23 10:48 +0100
    Re: Here is all my text about my USL programs... fir <profesor.fir@gmail.com> - 2016-04-23 07:10 -0700
      Re: Here is all my text about my USL programs... Kaz Kylheku <545-066-4921@kylheku.com> - 2016-04-23 14:16 +0000
      Re: Here is all my text about my USL programs... fir <profesor.fir@gmail.com> - 2016-04-23 07:19 -0700
        Re: Here is all my text about my USL programs... Chad <cdalten@gmail.com> - 2016-04-26 21:49 -0700
          Re: Here is all my text about my USL programs... Richard Heathfield <rjh@cpax.org.uk> - 2016-04-27 07:16 +0100

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