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

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   Message 3,489 of 4,675   
   demon.adramelek@gmail.com to Terje Mathisen   
   Re: Fast Fizz Buzz program   
   21 Jul 18 00:30:08   
   
   On Friday, July 20, 2018 at 12:42:01 PM UTC-5, Terje Mathisen wrote:   
   > James Van Buskirk wrote:   
   > > "Terje Mathisen"  wrote in message news:pisv6a$1hkd$1@gioia.aioe.org...   
   > >> It can be significantly faster to store data from SIMD registers than   
   > >> to copy it from the memory image, i.e. from one address to another.   
   > >   
   > >> It is only if you replace the entire program with a single   
   > >> (unbuffered, so needs 4kB aligned data array) write() call that an   
   > >> immediate array will be faster.   
   > >   
   > > But shouldn't the task be converting a stream of random inputs   
   > > into Fizz Buzz rather that a trivial arithmetic progression?  Sounds   
   > > like more opportunity for fun assembly programming to me.   
   > >   
   > That's actually an interesting challenge!   
   >   
   > Write the fastest possible function to print fixx/buzz/number given a   
   > random 32 (or 64?) bit input.   
   >   
   > I.e. this requires calculating %3 & %5 as fast as possible, while at the   
   > same time doing bin to ascii conversion.   
   >   
   > Terje   
      
   Sounds interesting. How program will receive random input? What's the   
   range and how many numbers input will contain? And how far can we   
   stretch original rules? :-)   
      
   > --   
   > -    
   > "almost all programming can be viewed as an exercise in caching"   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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