Integer vs Floating Point

Message boards : Number crunching : Integer vs Floating Point

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Profile Rob Heilman [Echo Labs]

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Message 61330 - Posted: 22 May 2009, 12:38:00 UTC

Is this project designed for integer or floating point calculations? I ask this because:

1. I use R@H to burn in new servers
2. I use R@H to keep idle or old servers busy

In the process I am starting to find that I can use R@H to benchmark my machines instead of using that electricity on synthetic tests that provide no value to anyone but my organization. All that being said I just want to know if I should consider this more of a Int or FP benchmark so I can better compare it to my production tasks.
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Profile Paul D. Buck

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Message 61331 - Posted: 22 May 2009, 13:19:22 UTC
Last modified: 22 May 2009, 13:20:32 UTC

The purest integer project that I know of is Prime Grid.

As far as I know all the rest are mixes.

Were I to guess I would suggest that at best RaH is 60/40 FP/Int ... To go more to FP heavy you should opt for a project like Einstein or Milky Way.

{edit-add}
One advantage to MW is that the code has been published so you can do your own count/estimate ... same with SaH though I think their code is longer ...
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Profile Rob Heilman [Echo Labs]

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Message 61336 - Posted: 22 May 2009, 18:22:07 UTC

That's interesting. Based on some of the comparative numbers I am seeing between the CPU benchmark numbers and the actual work completed I was guessing it was more integer focused, 70%I/30%FP I was going to guess. Anyone else have a hypothesis?

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Message boards : Number crunching : Integer vs Floating Point



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