Re: multibyte performance

Tatsuo Ishii wrote:
> 
> I did some benchmarking with/without multibyte support using current.

...
> (2) pgbench
> 
> With multibyte support(first column is the concurrent user, second is
> the TPS):
...
> 32 95.947363
> 64 92.718780
> 128 61.725883
> 
> Witout multibyte support:
...
> 32 92.283645
> 64 86.936559
> 128 87.584099

Do you have any theory why multibyte passes non-mb at 128 ?

Some subtle timing thing perhaps (or just bad luck for non-mb at 128)?


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Hannu