[Asterisk-Dev] spike / asterisk hang? <- On a 360MHz CPU - no, 440 :)

James Sharp jsharp at psychoses.org
Fri Jul 15 22:14:22 MST 2005


> On Friday 15 July 2005 15:04, Matt Hess wrote:
>> It's a 440 actually ;) ..  1G ram. I surely thought a sparc would handle
>> more than it seems to.. but I feel this may very well be a dev issue if
>> looked into further.. I'll explain as I go..
>
> Remember that all of Asterisk's DSP work is done on the CPU.  I am not sure
> how optimized the Sparc port of GCC is and how strong the Sparc FPU is.
> Asterisk does a LOT more than just toss packets around.

I don't have a sun4u available to test on it, but I wonder if the 
compiler is even emitting semi-optimized instructions for sparc.  If you 
twiddle the makefiles right and run a decent enough version of GCC, it 
should spit out VIS-based instructions (MMX-style SIMD instructions in 
sparc64)




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