According to my limited understanding (I'm still learning about Linux 
audio), contemporary Linux kernels have incorporated most or all of the 
features that used to be patched in for real-time performance. It may be 
necessary to configure the user permissions to use the higher process 
priorities and more of the real-time limits, but this does not involve 
rebuilding anything.

At any rate, I now have built most of Csound 5.04.1 beta including the 
Fluidsynth opcodes, the Python opcodes, and CsoundVST. I plan to add the STK 
opcodes and then take a look at the Debian packaging situation.

Regards,
Mike


----- Original Message ----- 
From: "Oeyvind Brandtsegg" 
To: "Developer discussions" 
Sent: Tuesday, January 23, 2007 6:27 AM
Subject: Re: [Cs-dev] Windows versus Linux performance


> Thanks for testing, this is indeed interesting.
> Is there any further speedups or system optimizations that could be
> available on  Linux ? e.g. Does it matter if the core is patched for
> realtime performance (even if the task used for benchmarking is an
> offline render).
>
> best
> Oeyvind
>
> 2007/1/23, Michael Gogins :
>> On my Toshiba Qosmio, 1 GB RAM, Intel T2400 CPU at 1.83 GHz, I rendered
>> examples/trapped-high-resolution.csd using Csound 5.04.1 beta on:
>>
>> Windows XP Media Center Edition version 2002 SP 2: CPU 103.462 seconds
>> Ubuntu 6.10:                                       CPU  95.570 seconds.
>>
>> Several trials had comparable results. Both versions were compiled with 
>> gcc
>> 3.4 and g++ 3.4.
>>
>> So, in response to an earlier thread, Csound rendering -- other things 
>> being
>> equal, which they rarely are -- should run about 8% faster on Linux.
>>
>> I will report on gcc 4.1 later.
>>
>> Regards,
>> Mike
>>
>>
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