Performance gcj & mysql

Tue Sep 9 13:11:00 GMT 2008

Thanks Marco,
I tryed with -O2 , -O3, -O6 etc and the result is the same.
When i run gcj-4.3 -static-libgcj --main=MysqlConnect -o mysqlconnect
MysqlConnect.java mysql-5.0.8.o
i get:
/usr/bin/ld: cannot find -lgcj
collect2: ld returned 1 exit status
Marco Trudel-4 wrote:
>> Andrew Haley wrote:
>> ezer wrote:
>>>>> 1) How can i improve performance to do it better than jvm ?
>>>> Huh? Which JVM? If the answer is some all-singing high-performance
>> JIT, then you can't.
>> Well, enabling optimization might be a start. Try adding "-O2" or "-O3" 
> to your compilation command.
>>>> 2) ./mysqlconnect stays dependant of the gcj libraries? When i uninstall
>>> gcj
>>> the executable complains about libgcj. Is there any way to have it
>>> totally
>>> independent, for example i want to copy the executable and mysql-5.0.8.o
>>> library without worring if have have gcj installed on that machine.
>>>> This is very difficult. The -static-libgcj option might help,
>> but I wouldn't guarantee it. For more details see:
>> http://gcc.gnu.org/wiki/Statically%20linking%20libgcj
>> Actually it works quite well as long as you know some little details. 
> Just ask if you run into problems...
>>> Marco
>>
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