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   comp.lang.asm.x86      Ahh, the lost art of x86 assembly      4,675 messages   

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   Message 3,882 of 4,675   
   Aleksey Demakov to Anton Ertl   
   Re: compact and fast bzero with AVX inst   
   13 May 19 07:11:55   
   
   From: ademakov@nospicedham.gmail.com   
      
   Thank you!   
      
   On Sunday, May 12, 2019 at 8:05:03 PM UTC+3, Anton Ertl wrote:   
   > What I notice is that the benchmark does all iterations with the same   
   > alignment (which may be optimal) and the same size (so branch   
   > prediction will be optimal); these settings may not be representative.   
   >   
      
   I agree with you. Perhaps I need to add test modes with different sizes and   
   alignment values.   
      
   > I also notice that the Haswell seems to have two different kinds of   
   > performance results:   
      
   Hmm, the results might depend on the background activity and on cpu energy   
   saving mode.   
      
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