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Subject: Re: Branchless code

Author: Pham Hong Nguyen

Date: 17:40:20 11/18/02

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On November 18, 2002 at 20:32:43, Bob Durrett wrote:

>On November 18, 2002 at 20:24:21, Pham Hong Nguyen wrote:
>
>>I think you miss something here: what makes mainly program slow is not if else
>>statement but missing of code predictation and cache causes by branches: the
>>price of penalty is quite high. Your code of using pointers cannot improve
>>anything about that.
>
>How to avoid "missing of code predictation and cache" ?

Don't use if - else ;)


>
>Bob D.

• Re: Branchless code Ratko V Tomic 13:13:42 11/19/02
• Re: Branchless code Russell Reagan 17:50:36 11/18/02
  • Re: Branchless code Robert Hyatt 18:40:36 11/18/02
    • Re: Branchless code Russell Reagan 19:31:16 11/18/02
      • Re: Branchless code Robert Hyatt 20:02:08 11/18/02
  • Re: Branchless code Pham Hong Nguyen 18:07:57 11/18/02

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