AlphaCore 0.9 slow on a xp1000

[Sergey Tikhonov]

Hello,

Jay Estabrook wrote:

>On Thu, Mar 10, 2005 at 12:04:19AM +0000, Carlos Rodrigues wrote:
>  
>
>>I've finished installing AlphaCore 0.9 on a AlphaStation XP1000 to make 
>>some tests and everything is slow. Very slow indeed.
>>
>>This machine used to have a SuSE 8.1 install and it was as snappy as one 
>>can expect from this hardware, but AlphaCore just drags its feet everywhere.
>>
>>Ok, I haven't upgraded to 1.0a yet (still downloading), but I wanted to 
>>know if other people with this same hardware experienced the same thing.
>>
>>This box, together with an ES40 are used to crunch numbers, so every bit 
>>of performance is needed. If this is expected behaviour, I'll just 
>>revert back to the old install.
>>    
>>
>
>Yes, I, too, experienced the "sluggishness" of AC-0.9.
>
>And, to this point, AC-1.0a has been much better, feeling a good bit
>more responsive in interactive use.
>
>But it still feels a bit "pokey" compared to the old RH 7.2.
>
>I don't know if this is a compiler/library issue; if it IS, you might
>be happier sticking with those you know for performance critical
>reasons, at least until it shakes out a bit more...
>  
>
I just did a quick and durty test - compressing 14Mb file with "gzip -9" 
built by GCC and Compaq C compilers:
gcc 3.4.3 - 11.924 sec
ccc 6.5.6.002-1 - 11.019 sec

No special optimizations for ev56 processor were used. So, pure 
crunching might stay on the same level.
My wild guess is - it is a combination of kernel and glibc and latest 
hardware. :)
Like I said before - my AS200 flies comparing to RH 7.2.

Thank you,
-- 

---
Sergey Tikhonov
Solvo Ltd.
tsv at solvo.ru

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