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  3. how long does it take

how long does it take

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  • Y yassir hannoun

    how long does it take for a computer to count from 0 to the maximum value of int ??

    G Offline
    G Offline
    Gary R Wheeler
    wrote on last edited by
    #4

    Somewhere between 4.5 and 7.2 femtoparsecs.

    Software Zen: delete this;
    Fold With Us![^]

    Y 1 Reply Last reply
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    • G Gary R Wheeler

      Somewhere between 4.5 and 7.2 femtoparsecs.

      Software Zen: delete this;
      Fold With Us![^]

      Y Offline
      Y Offline
      yassir hannoun
      wrote on last edited by
      #5

      i mean counting 0 1 2 3 4 5 6 7 .... 2147483647 by the way i m runin it now and i will get the result soon here is what i m doing DateTime start = DateTime.Now; for (int i = 0; i < int.MaxValue; i++) { Console.WriteLine(i); } DateTime finish = DateTime.Now; Console.WriteLine("counting started at {0} and finished at {1}", start, finish);

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      • Y yassir hannoun

        how long does it take for a computer to count from 0 to the maximum value of int ??

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        Anton Afanasyev
        wrote on last edited by
        #6

        0 milliseconds - the VC++ compiler optimized the useless loop out of the program.

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        • Y yassir hannoun

          i mean counting 0 1 2 3 4 5 6 7 .... 2147483647 by the way i m runin it now and i will get the result soon here is what i m doing DateTime start = DateTime.Now; for (int i = 0; i < int.MaxValue; i++) { Console.WriteLine(i); } DateTime finish = DateTime.Now; Console.WriteLine("counting started at {0} and finished at {1}", start, finish);

          A Offline
          A Offline
          Anton Afanasyev
          wrote on last edited by
          #7

          You have to realize you are slowing it down by A LOT by calling Console.WriteLine(i); In fact, calling ANYTHING inside that loop will slow it down. remove that line, and run again. also, make sure you run it without optimizations turned on, or the optimizer would just strip the forloop out.

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          • A Anton Afanasyev

            You have to realize you are slowing it down by A LOT by calling Console.WriteLine(i); In fact, calling ANYTHING inside that loop will slow it down. remove that line, and run again. also, make sure you run it without optimizations turned on, or the optimizer would just strip the forloop out.

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            G Offline
            Gary Kirkham
            wrote on last edited by
            #8

            But unless the loop writes something then how do you know the computer is counting...it could be skipping the loop altogether and laughing at you behind your back.

            Gary Kirkham Forever Forgiven and Alive in the Spirit The fool has said in his heart, "There is no God" Me blog, You read

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            • G Gary Kirkham

              But unless the loop writes something then how do you know the computer is counting...it could be skipping the loop altogether and laughing at you behind your back.

              Gary Kirkham Forever Forgiven and Alive in the Spirit The fool has said in his heart, "There is no God" Me blog, You read

              Y Offline
              Y Offline
              yassir hannoun
              wrote on last edited by
              #9

              Gary Kirkham wrote:

              it could be skipping the loop altogether and laughing at you behind your back.

              hehehehe anyway it is runing for more than 1 hour so far what i got is 154500000

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              • G Gary Kirkham

                But unless the loop writes something then how do you know the computer is counting...it could be skipping the loop altogether and laughing at you behind your back.

                Gary Kirkham Forever Forgiven and Alive in the Spirit The fool has said in his heart, "There is no God" Me blog, You read

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                O Offline
                Oakman
                wrote on last edited by
                #10

                Gary Kirkham wrote:

                laughing at you behind your back.

                Mine does that a lot!

                Jon Smith & Wesson: The original point and click interface

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                • Y yassir hannoun

                  how long does it take for a computer to count from 0 to the maximum value of int ??

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                  M Offline
                  Marc Clifton
                  wrote on last edited by
                  #11

                  If a program encounters a loop in a forest, does the computer actually execute it? Marc

                  Thyme In The Country Interacx My Blog

                  1 Reply Last reply
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                  • Y yassir hannoun

                    how long does it take for a computer to count from 0 to the maximum value of int ??

                    P Offline
                    P Offline
                    Pete OHanlon
                    wrote on last edited by
                    #12

                    Release, Debug or Plain English?

                    Deja View - the feeling that you've seen this post before.

                    My blog | My articles

                    M 1 Reply Last reply
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                    • Y yassir hannoun

                      Gary Kirkham wrote:

                      it could be skipping the loop altogether and laughing at you behind your back.

                      hehehehe anyway it is runing for more than 1 hour so far what i got is 154500000

                      P Offline
                      P Offline
                      Pete OHanlon
                      wrote on last edited by
                      #13

                      OK - I just ran it and it took 8 seconds.

                      static void Main(string[] args)
                      {
                      Console.WriteLine(DateTime.Now.ToString());
                      for (int i = 0; i < int.MaxValue; i++)
                      {
                      if (i == int.MaxValue - 2)
                      {
                      Console.WriteLine("Hi");
                      }
                      }
                      Console.WriteLine(DateTime.Now.ToString());
                      Console.ReadLine();
                      }

                      Two things come to mind - why do you want to do this and do you realise you just asked a programming question in the lounge?

                      Deja View - the feeling that you've seen this post before.

                      My blog | My articles

                      Y L 2 Replies Last reply
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                      • O Oakman

                        Gary Kirkham wrote:

                        laughing at you behind your back.

                        Mine does that a lot!

                        Jon Smith & Wesson: The original point and click interface

                        G Offline
                        G Offline
                        Gary Kirkham
                        wrote on last edited by
                        #14

                        I would settle for that...mine openly mocks me.

                        Gary Kirkham Forever Forgiven and Alive in the Spirit The fool has said in his heart, "There is no God" Me blog, You read

                        1 Reply Last reply
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                        • Y yassir hannoun

                          how long does it take for a computer to count from 0 to the maximum value of int ??

                          realJSOPR Offline
                          realJSOPR Offline
                          realJSOP
                          wrote on last edited by
                          #15

                          You can't do that on Vista unless you have SP1 because Vista never finishes calculating how long it's going to take.

                          "Why don't you tie a kerosene-soaked rag around your ankles so the ants won't climb up and eat your candy ass..." - Dale Earnhardt, 1997
                          -----
                          "...the staggering layers of obscenity in your statement make it a work of art on so many levels." - Jason Jystad, 10/26/2001

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                          • realJSOPR realJSOP

                            You can't do that on Vista unless you have SP1 because Vista never finishes calculating how long it's going to take.

                            "Why don't you tie a kerosene-soaked rag around your ankles so the ants won't climb up and eat your candy ass..." - Dale Earnhardt, 1997
                            -----
                            "...the staggering layers of obscenity in your statement make it a work of art on so many levels." - Jason Jystad, 10/26/2001

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                            Pete OHanlon
                            wrote on last edited by
                            #16

                            On Vista, the answer is "2 seconds remaining." and remains that way till the Sun shrinks to the size of a lump of coal.

                            Deja View - the feeling that you've seen this post before.

                            My blog | My articles

                            M 1 Reply Last reply
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                            • P Pete OHanlon

                              Release, Debug or Plain English?

                              Deja View - the feeling that you've seen this post before.

                              My blog | My articles

                              M Offline
                              M Offline
                              martin_hughes
                              wrote on last edited by
                              #17

                              Pete O'Hanlon wrote:

                              Plain English

                              Shhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh!

                              P 1 Reply Last reply
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                              • G Gary Kirkham

                                But unless the loop writes something then how do you know the computer is counting...it could be skipping the loop altogether and laughing at you behind your back.

                                Gary Kirkham Forever Forgiven and Alive in the Spirit The fool has said in his heart, "There is no God" Me blog, You read

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                                M Offline
                                martin_hughes
                                wrote on last edited by
                                #18

                                :laugh: Mine does this all the time - lousy computer!

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                                • M martin_hughes

                                  Pete O'Hanlon wrote:

                                  Plain English

                                  Shhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh!

                                  P Offline
                                  P Offline
                                  Pete OHanlon
                                  wrote on last edited by
                                  #19

                                  It's like Candyman. If you say Plain English 3 times, up pops Osmo.

                                  Deja View - the feeling that you've seen this post before.

                                  My blog | My articles

                                  M 1 Reply Last reply
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                                  • P Pete OHanlon

                                    On Vista, the answer is "2 seconds remaining." and remains that way till the Sun shrinks to the size of a lump of coal.

                                    Deja View - the feeling that you've seen this post before.

                                    My blog | My articles

                                    M Offline
                                    M Offline
                                    martin_hughes
                                    wrote on last edited by
                                    #20

                                    Nonsense - Vista recognises such an operation as a security risk, prompts the user for administrative access and then refuses to run the task regardless :)

                                    Y 1 Reply Last reply
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                                    • P Pete OHanlon

                                      OK - I just ran it and it took 8 seconds.

                                      static void Main(string[] args)
                                      {
                                      Console.WriteLine(DateTime.Now.ToString());
                                      for (int i = 0; i < int.MaxValue; i++)
                                      {
                                      if (i == int.MaxValue - 2)
                                      {
                                      Console.WriteLine("Hi");
                                      }
                                      }
                                      Console.WriteLine(DateTime.Now.ToString());
                                      Console.ReadLine();
                                      }

                                      Two things come to mind - why do you want to do this and do you realise you just asked a programming question in the lounge?

                                      Deja View - the feeling that you've seen this post before.

                                      My blog | My articles

                                      Y Offline
                                      Y Offline
                                      yassir hannoun
                                      wrote on last edited by
                                      #21

                                      i m doing it just fo fun :d

                                      1 Reply Last reply
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                                      • M martin_hughes

                                        Nonsense - Vista recognises such an operation as a security risk, prompts the user for administrative access and then refuses to run the task regardless :)

                                        Y Offline
                                        Y Offline
                                        yassir hannoun
                                        wrote on last edited by
                                        #22

                                        doing it under XP Pro SP2

                                        M 1 Reply Last reply
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                                        • P Pete OHanlon

                                          It's like Candyman. If you say Plain English 3 times, up pops Osmo.

                                          Deja View - the feeling that you've seen this post before.

                                          My blog | My articles

                                          M Offline
                                          M Offline
                                          martin_hughes
                                          wrote on last edited by
                                          #23

                                          Hmmm. I always thought of him as more as a noxious cloud of bum gas: invisible, lingering and stinking up the joint a treat. :)

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