Is >= slower than > by itself?
Dylan. -----Original Message----- From: ozdotnet-boun...@ozdotnet.com [mailto:ozdotnet-boun...@ozdotnet.com] On Behalf Of DotNet Dude Sent: Tuesday, 18 May 2010 2:12 PM To: ozDotNet Subject: Re: How To do something every so often Dylan never said it was multithreaded... that would have been a critical piece of info and I'm sure he wouldn't leave it out. He said "very simple little console app" which rules out multithreading. :p On Tue, May 18, 2010 at 2:04 PM, Bill McCarthy <b...@totalenviro.com> wrote: > Possibly, but if you make the code multithreaded you'd have to use an > interlocked increment. Use of a >= or a higher order bit bit-mask > means you don't have to lock as such (if you aren't worried about the > exact count) > > |-----Original Message----- > |From: ozdotnet-boun...@ozdotnet.com [mailto:ozdotnet- > |boun...@ozdotnet.com] On Behalf Of DotNet Dude > |Sent: Tuesday, 18 May 2010 1:21 PM > |To: ozDotNet > |Subject: Re: How To do something every so often > | > |Wouldn't this be enough? > | > |counter+=1; > |... > |if (counter == 10000) { > | ... > | counter = 0; > |} > | > | > |On Mon, May 17, 2010 at 1:30 PM, Dylan Tusler > |<dylan.tus...@sunshinecoast.qld.gov.au> wrote: > |> I was just writing a very simple little console app to move data > |> from one file to another (under certain conditions) and I thought > |> it would be beneficial if the output gave some feedback that something was > happening. > |> > |> So, for each file, for every 10,000 lines processed, I put a "." > |> out via Console.Write > |> > |> Seems simple enough, but I was wondering how you would go about > |determining > |> that you got through 10,000 lines? > |> > |> Here was my approach: > |> > |> int counter=0; > |> > |> while ((line = fs.ReadLine()) != null) { > |> // do stuff - snipped > |> counter++; > |> if ((int)(counter/10000)*10000 == counter) > |> { > |> Console.Write("."); > |> } > |> } > |> > |> This works fine in my application, but I was wondering what > |> different approaches were available, especially considering there > |> is a bit of > wasted > |> math here, seems like it could be costly for a very long running process. > |> (In my situation, the app will be processing many millions of rows > |> of > data, > |> so small savings could add up to a big net saving.) > |> > |> Cheers, > |> > |> Dylan Tusler > |> > |> > |> > |> > ---------------------------------------------------------------------- > ------ > --------------------- > |> To find out more about the Sunshine Coast Council, visit your local > council > |> office at Caloundra, Maroochydore, Nambour or Tewantin. Or, if you > prefer, > |> visit us on line at www.sunshinecoast.qld.gov.au > |> > |> This email, together with any attachments, is intended for the > |> named > |> recipient(s) only. Any form of review, disclosure, modification, > |> distribution and or publication of this email message is prohibited > without > |> the express permission of the author. Please notify the sender > immediately > |> if you have received this email by mistake and delete it from your > system. > |> Unless otherwise stated, this email represents only the views of > |> the > sender > |> and not the views of the Sunshine Coast Regional Council. > |> maile 3_0_0 > >
