25/12/2017 17:12, Fabien COELHO пишет: > > However, the key can be used if controlled so that different values do > not have the same randomization in different part of the script, so as > to avoid using the same patterns for different things if not desirable. Original murmur algorithm accepts seed as a parameter, which can be used for this purpose. I used value itself as a seed in the patch, but I can turn it into a function argument. > > For the pgbench pseudo-random permutation I'm looking at, the key can > be specified to control whether the same pattern or not should be used. > Just curious, which algorithm are you intended to choose?
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