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Asked: 2026-05-28T18:58:11+00:00

I have a PHP script now looping through combinations of a set of arrays.

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I have a PHP script now looping through combinations of a set of arrays. I can test 6.1 Billion of the 500 Trillion total combinations in 1 hour with a simple PHP script. Is it possible to write a program in any language running on todays average PC that would be able to test all 500 Trillion combinations of multiple arrays in less than ~6 hours?

Also, I do not have the resources to use distributed or cluster computing for this task. What kind of gains could I expected converting the code to multithreaded java/c#?

Thank you

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1 Answer

  1. Editorial Team

    Let’s start simple. Do you use threading? If not – a modern higher end Intel today has 12 hardware threads per processor. This means you get a factor of 12 from threading.

    If someone gets a server specific for that he could get 24-32 hardware threads easily for relatively low cost.

    If the arrays are semi static and you asume adecent graphics card, you may find having from 800 to 3000 processor cores a huge time saver. Nothing beats this – and even average CPU’s have quite some core capabilities in their chips or the graphics cards these days.

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