[Linux] Compiling Ardour 2.X without SSE Optimizations

3 replies [Last post]
linux_user
User offline. Last seen 6 years 26 weeks ago. Offline
Joined: 2007-10-20
Posts:

Hi all :)

Sorry form my very bad "spaghetti-english" powered by G√łogle, by i don't speak it.

Now, this is the question:

it's possible to build Ardour without SSE optimizations? My CPU is an AMD Athlon Thunderbird.

How can "instruct" scons?

I tried with:

export CFLAGS="-O3 -mno-sse -mno-sse2"; export CXXFLAGS=$CFLAGS

but it seems not work.

Thanks in advance for your help

philicorda
User offline. Last seen 1 year 46 weeks ago. Offline
Joined: 2006-05-16
Posts:

I think you can do it like this:

scons FPU_OPTIMIZATION=0

try scons --help for other options.

linux_user
User offline. Last seen 6 years 26 weeks ago. Offline
Joined: 2007-10-20
Posts:

Solved!

Thanks philicorda, you're right when you wrote:

"I think you can do it like this: scons FPU_OPTIMIZATION=0"

;)

Now ardour is compiled with "mmx" and "3dnow" support only.

Best regards :)

Benjamin Scherrer
User offline. Last seen 2 days 18 hours ago. Offline
Joined: 2006-07-27
Posts:

Hi there!

I have the same CPU (AMD Athlon Thunderbird 1,4 GHz 133 MHz fsb) and also thought about this some time ago.

Do I get any performance gain if I compile without SSE (if the CPU doesn't support SSE like the AMd Athlon Thunderbird)?

thanks,
Benjamin