Re: 64-bit Compile Failure on Solaris 10 with OpenSSL

Randal T. Rioux napsal(a):
> On Tue, September 9, 2008 5:25 am, Zdenek Kotala wrote:
>> Randal T. Rioux napsal(a):
>>> I've battled this for a while. I'm finally breaking down and asking for
>>> help.
>>>
>>> If you're answer to this is "why 64-bit" then don't answer. You wouldn't
>>> understand. Same if you say "why don't you use packages."
>>>
>>> Here is my scenerio:
>>>
>>>  - Sun 420R x450Mhz UltraSPARC-II / 4GB RAM
>>>  - Solaris 10 05/08
>>>  - OpenSSL 0.9.8h
>>>  - PostgreSQL 8.3.3
>>>  - GCC 3.4.6
>>>  - GNU Make 3.81
>> Three questions (yeah, you forbided ask, but ...)
>
> grumble grumble grumble...
>
>> 1) Why 64
>>
>> 64bit code on SPARC is slower, because SPARC uses 4byte instructions and
>> processing 64bit data needs more instructions. It is good only if you
>> need more then 4GB share memory. When you use sunstudio compiler with
>> best optimization 64bit application has 1%-5% performance degradation.
>
> A. Many databases use more than 4GB share memory.

Of course but you mention that you have only 4GB RAM.

> B. Re: SunStudio - that's why I'm using GCC.

I don't understand you there. Sunstudio generates better code on SPARC
and it is faster than code produced with GCC.

>> 2) Why you don't use package
>>
>> You can use Solaris'es packages, which are integrated and optimized for
>> Solaris.
>
> Which are bloated with stuff I don't need and missing stuff I do. Not to
> mention terribly outdated.

Could you be more specific? If is there something what you missing or
what is wrong in Solaris'es packages let me know. Maybe I can improve it.

>> 3)  Why you don't use build-in libssl?
>>
>> Integrated libssl is not only copy of original open ssl. It has lot of
>> improvements and it uses crypto hardware accelerator if you have it (for
>> example Niagara 2).
>
> But it is 32-bit.

No, You have 64bit version in /usr/sfw/lib/64.

        Zdenek