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Resolved 請教 PowerBuilder 各版本功能差別

  1. Misc
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  1. wu dragon
    wu dragon
  2. PowerBuilder
  3. Monday, 22 November 2021 08:04 AM UTC

你好:

請教一下，下面的觀念是不是正確?

PowerBuilder 8:
1. 若在多核心的CPU執行，有些指令動作是會在多核心執同時執行
2. 單執行緒
3. 32元位的AP


PowerBuilder 11.5:
1. 若在多核心的CPU執行，有些指令動作是會在多核心執同時執行
2. 多執行緒
3. 32元位的AP


PowerBuilder 2021:
1. 若在多核心的CPU執行，有些指令動作是會在多核心執同時執行
2. 多執行緒
3. 64元位的AP

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Accepted Answer
Ken Guo @Appeon
Ken Guo @Appeon Accepted Answer Pending Moderation
  1. Wednesday, 24 November 2021 09:24 AM UTC
  2. PowerBuilder
  3. # Permalink

Hi Dragon，

PB是單線程的，不論是PB 8還是PB 2021，都是如此。當然你可以參照Bruce回复的那樣進行多線程開發。

目前所有版本的PB IDE都是32-bit的，所以如果在PB IDE下運行應用時，它是32-bit的；當然你可以通過PB 12.6/2017/2019/2021 將你的應用程序編譯成64-bit的EXE。 

 

Regargs,

Ken

 

 

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Responses (3)
Bruce Armstrong
Bruce Armstrong Accepted Answer Pending Moderation
  1. Monday, 22 November 2021 23:46 PM UTC
  2. PowerBuilder
  3. # 1

The question according to Google translate:

==========================================================================

Please tell me, is the following concept correct?

PowerBuilder 8:
1. If executed on a multi-core CPU, some instruction actions will be executed simultaneously on the multi-core execution
2. Single thread
3. 32-bit AP


PowerBuilder 11.5:
1. If executed on a multi-core CPU, some instruction actions will be executed simultaneously on the multi-core execution
2. Multi-threading
3. 32-bit AP


PowerBuilder 2021:
1. If executed on a multi-core CPU, some instruction actions will be executed simultaneously on the multi-core execution
2. Multi-threading
3. 64-bit AP

==========================================================================

My answer:

PowerBuilder is single threaded unless you use shared objects to implement multithreading.  According to the techno-kitten history of PowerBuilder changes, shared objects were added in PowerBuilder 6, so that version and later should be able to do it.

https://community.appeon.com/index.php/qna/q-a/multi-threading-in-powerbuilder

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wu dragon
wu dragon Accepted Answer Pending Moderation
  1. Thursday, 25 November 2021 02:15 AM UTC
  2. PowerBuilder
  3. # 2

你好:

謝謝您的回答!

關於使用 CPU 核心數的部份

使用 Powerbuilder 編譯出來的程式

執行時會利用到幾個 CPU 的 核心 是不是跟 Powerbuilder 無關?

使用到幾個核心主要是由CPU或作業系統依指令分配完成的嗎?

每個版本的 Powerbuilder 編譯出來的程式都有可能在多核心執行

 

 

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Ken Guo @Appeon
  1. Ken Guo @Appeon
  2. Thursday, 25 November 2021 07:16 AM UTC
是的，執行時利用到幾個 CPU 的核心跟 Powerbuilder 無關，这个是由Windows OS来分配的。
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