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Resolved Quick question about speed and 64 bit executables

  1. How-to
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  1. Miguel Leeuwe
    Miguel Leeuwe
  2. PowerBuilder
  3. Saturday, 19 November 2022 20:33 PM UTC

Hi all,

Before maybe migrating to 64 bits, has anyone noticed any speed advantages or disadvantages when running as 64 bit?

regards,

MiguelL

 

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Accepted Answer
Chris Pollach @Appeon
Chris Pollach @Appeon Accepted Answer Pending Moderation
  1. Saturday, 19 November 2022 21:09 PM UTC
  2. PowerBuilder
  3. # Permalink

Hi Miguel;

  I've had my STD Framework & derived Apps from that framework running in 64 bit mode since PB 12.6. I have not noticed any appreciable speed difference. I have noticed that 64 bit apps take a longer time to instantiate (get started). However once that aspect has completed, they seem to run the same as 32 bit P-Code. Of course, M-Code is a different matter but PB only supports 32 bit execution in M-Code compiled Apps.

   I have certainly noticed that 64 bit Apps handle 64 bit DB drivers a little faster & of course, large result sets due to improved address space allocation by the O/S. That then translated into little or no App crashes due to the old 4G address space limitation of 32 bit Apps.

HTH

Regards ... Chris 

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Steen Jakobsen
Steen Jakobsen Accepted Answer Pending Moderation
  1. Monday, 21 November 2022 10:18 AM UTC
  2. PowerBuilder
  3. # 1

It just works better.

But same speed :-)

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Miguel Leeuwe
Miguel Leeuwe Accepted Answer Pending Moderation
  1. Saturday, 19 November 2022 21:16 PM UTC
  2. PowerBuilder
  3. # 2

Thank you Chris,

That's great information. So, for us, no rush, though I will try and convert in a future. I know about the advantage when retrieving big data sets, so it could give us some speed improvemnts, but for now we haven't had a single problem for over 15 years with our 32 bit applications.

A part from that, we do have one customer who needs 32 bit, as they use some kind of "terminal thingies" which are 32 bit. I don't know the exact name of it.

regards,

MiguelL

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Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Saturday, 19 November 2022 21:21 PM UTC
I find that "thingies" are usually always important... LOL!
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