Don't you use broadcasting or multicasting?

Hideki

Jean-loup Gailly: 
<[email protected]>:
>> The surprising thing is that 128 machines are much worse than 64;
>> is this due to communication cost ? I would expect a stagnation more than
>> a decrease of performance, but maybe the master/slave system does not have
>> the logarithmic cost as a function of the number of nodes
>
>I don't know yet the main reason for the performance drop beyond 64
>machines. It might indeed be due to the simple linear scheme that
>I am using; a logarithmic algorithm might work better.
>
>Jean-loup
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Hideki Kato <mailto:[email protected]>
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