On Monday, September 8, 2014 2:04:26 PM UTC+9, Naoki INADA wrote:
>
> > 
> > Naoki, 
> > 
> > Are you aware of performance benchmarks comparing your MySQLdb1 fork and 
> > mysql-connector-python? 
>
> I'll show you some numbers.  But I'm not have time for now. 
>

I've posted quick benchmark:
https://github.com/methane/mysql-driver-benchmarks

Most heavy part of MySQL Driver is parsing packet.
There are (number of columsn) descripter packet and (number of columns * 
number of rows) result packet in query response.

On PyPy, packet parsing is faster after JIT warmup.
MySQL-Connector/Python reads from socket packet by packed.  It makes many 
system call.
PyMySQL uses buffering for faster receiving.

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