Olivier Doucet writes:
> Performance are now correct :) I checked with valgrind / callgrind,
> and function mysql_data_seek is not called anymore.
>
> You can now patch other drivers, and maybe release a new version ?
I've updated the remaining drivers and the driver documentation. Did
anyone
Olivier Doucet was heard to say:
>> Do you have any numbers? Would be nice to know what speed gain this
>> (almost) one-line optimization effected.
>
> I've done a benchmark with rrdtool that uses libdbi.
> http://tof.canardpc.com/view/31953cab-4329-45e9-9e30-eed2d9148ee1.jpg
> max value on X-Axi
> libdbi-drivers uses the mysql_config script shipped with MySQL to
> obtain the list of required libraries to link against, *unless* you
> use the --with-mysql-libdir configure switch.
Yes I was using this configure switch. I copied configure line from
Red Hat SRPM.
> Do you have any numbers? Wou
Olivier Doucet was heard to say:
Hi,
> I finally succeeded in compiling both component for my system (I added
> flag -lpthread when both linking / compiling or else I have following
> error : '/usr/lib64/dbd/libdbdmysql.so: undefined symbol:
> pthread_mutex_trylock').
libdbi-drivers uses the my
Hello,
> I've implemented the suggested changes and checked in the updated
> files. If you want to speed test the code, please check out, build,
> and install the current cvs revisions of both libdbi and
> libdbi-drivers.
I finally succeeded in compiling both component for my system (I added
flag