- I am like a genius - 1 Update
- I correct a typo, read again about capacity planning and queuing theory.. - 1 Update
- About my linear programming modeling examples in Object Pascal.. - 1 Update
- More numbers about coronavirus.. - 1 Update
- About capacity planning and queuing theory.. - 1 Update
| Kristjan Robam <robamman2020@hotmail.com>: Mar 18 03:53AM -0700 You are like a genius, but I am a genius.... Kristjan Robam |
| aminer68@gmail.com: Mar 17 12:55PM -0700 Hello, I correct a typo, read again about capacity planning and queuing theory.. I have bought the following book called Performance by Design: Computer Capacity Planning By Example here: https://www.amazon.ca/Performance-Design-Computer-Capacity-Planning/dp/0130906735 And the book is analyzing the performance of an E-Business Service with queuing theory, but i think its methodology is error-prone because it contains many mathematical calculations, so this is why i have decided to construct another methodology that is much less error-prone and that is easier and that uses the Jackson network , so my methodology works with 65% or more of database read transactions, the total of write and delete database transactions must be 25% or less, and it works too when it is 65% or above of database write database transactions, so i think my methodology is suitable to do capacity planning with mathematical queuing theory of E-Business Services, and i will write a book about it and explains my methodology, and of course i am taking care of the http or https overhead and i will provide you with a program too. Read the rest of my previous thoughts: More about discrete-event simulation (DES) and more.. I am not only a more serious software developer specialized in parallel programming and synchronization algorithms, but i have also studied operational research and i have studied more mathematics, so here is an interesting Free simulation software for Delphi and Freepascal called OpenSIMPLY: https://opensimply.org/ And i have also implemented M/M/n queuing model simulation with Object Pascal, here it is: https://sites.google.com/site/scalable68/m-m-n-queuing-model-simulation-with-object-pascal And i have also made my tutorial on how to solve Jackson network problem with mathematical modeling, you can download it from my website: https://sites.google.com/site/scalable68/jackson-network-problem I have also implemented Maxflow algorithm for Delphi and FreePascal, here it is: https://sites.google.com/site/scalable68/maxflow-algorithm-for-delphi-and-freepascal Thank you, Amine Moulay Ramdane. |
| aminer68@gmail.com: Mar 17 11:26AM -0700 Hello, About my linear programming modeling examples in Object Pascal.. I have just updated my Linear programming modeling examples in Object Pascal, and i have just included the last stable version of 64bit Symphony MILP solver inside the zip file, so just pass it the MPS output file from the object pascal example. You can download it from: https://sites.google.com/site/scalable68/linear-programming-modeling-examples-in-object-pascal And about optimization.. Advances in integer optimization from 1988 to 2017: – Improved algorithms and methods: 147,650 times faster – Improved computing power: 17,120 times faster – Overall improvement: 2,527,768,000 times faster In practice, this means that solving a typical MILP problem would have taken 80 years back in 1988, whereas today it only takes one second. However, while MILP problem solving is nowadays standard technology, MINLP problems still pose a challenge.This is motivating and inspiring researchers in the field. Read more here: The world's fastest https://www.abo.fi/en/news/the-worlds-fastest/ Optimization is a special area within Mathematics and Engineering. The idea of optimization is to find the best possible – or a sufficiently good – solution to a problem given in the form of a mathematical description of a system or process. And about optimization, i have just included the 64 bit SYMPHONY solver for mixed-integer linear programs (MILPs), with a batch file that executes the MPS file, inside the zip file that you can download from here: https://sites.google.com/site/scalable68/linear-programming-modeling-examples-in-object-pascal And you can read this interesting webpage and you will notice on the benchmark that SYMPHONY solver is good: ILP Solver Comparison Part I http://strimas.com/prioritization/scip-performance/ And read my following webpage about my Linear programming formulation of the Shortest-Route problem in object pascal to understand more: http://pages.videotron.com/aminer/lp/linear.htm Thank you, Amine Moulay Ramdane. |
| Kristjan Robam <robamman2020@hotmail.com>: Mar 17 07:23AM -0700 > https://www.marketwatch.com/story/coronavirus-fatality-rates-vary-wildly-depending-on-age-gender-and-medical-history-some-patients-fare-much-worse-than-others-2020-02-26 > Thank you, > Amine Moulay Ramdane. Isn't there already a vaccine invented ? Kristjan Robam |
| Kristjan Robam <robamman2020@hotmail.com>: Mar 17 07:21AM -0700 > Amine Moulay Ramdane. > Thank you, > Amine Moulay Ramdane. Fault - Double time signature ! Kristjan Robam |
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