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Four-Way ARM Linux Distribution Comparison
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Originally posted by mitcoes View PostMultiple pandaboards as server -
How well they scale?
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How much are needed to equal an i7 more or less?
How much would cost this multi Panda board server vs a single i7? cost/performance
And how many energy this multi PAnda spend vs a single i7 energy efficiency
Also how well i7 scales vs ARM, then 4 i7s vs 4 multi Panda Borads alike systems, with the intermediate steps.Phoronix, Linux Hardware Reviews, Linux hardware benchmarks, Linux server benchmarks, Linux benchmarking, Desktop Linux, Linux performance, Open Source graphics, Linux How To, Ubuntu benchmarks, Ubuntu hardware, Phoronix Test Suite
When comparing to an i7, ARM clusters seem to be much more expensive, a bit less power efficient, and not much faster, if at all. I think you're underestimating the power of Sandy Bridge and Ivy Bridge i7s. Even AMD systems are likely more power, time, and cost efficient. Keep in mind that whenever you do cluster computing, for every computer you add you're wasting electricity on powering a whole separate system, you drastically lower latency (by communication, error checking, translation between gathering the data and interpreting it for use, timing everything properly, the relatively lengthy wires, etc), you spend more time setting it up, and the more systems you have there's a higher probability of failure. In other words, if you're looking to massively parallel something without going beyond 64 cores, you're wasting time, energy, effort, and money on a cluster. You can get up to 64 threads in 1 system with a SPARC T3 setup. Also, there are server motherboards that allow 4 AMD CPUs at a time. I'm not sure if they support socket G34 (I think that's the socket name) but if they do you can have up to 48 cores using 4 of AMD's 12-core Opterons. Those Opterons are overall a much much better value than the Intel competitor.Last edited by schmidtbag; 09 November 2012, 11:34 AM.
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Originally posted by curaga View PostThere are some 16-core opterons, so you can get 64 x86 cores in a box too.
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