9 Apr
2007
9 Apr
'07
12:24 p.m.
Mike Taht wrote:
does jack say it's running SSE on startup?
now, since i recompiled with --enable-dynsimd it says:
...
JACK tmpdir identified as [/dev/shm/]
SSE2 detected
load = 0.2297 max usecs: 40.000, spare = 10626.000
...
looks like a nice hint??
what is about processor type and architecture?
are there more hints about optimizing?
cheers,
doc
On 4/9/07, *Dragan Noveski* <perodog(a)gmx.net <mailto:perodog@gmx.net>>
wrote:
Mike Taht wrote:
http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user
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http://the-edge.blogspot.com
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On 4/9/07, *Dragan Noveski* <perodog(a)gmx.net
<mailto:perodog@gmx.net>
<mailto:perodog@gmx.net
<mailto:perodog@gmx.net>>>
wrote:
hi list,
i read some threads in the ardour forum about optimizing the
jackd
build, so i would like to find out, if i can
build jackd
here with
more
optimizing ...since i think that more optimizing is better
than less
optimizing??
the way i am building jack until now is simply:
./configure --with-default-tmpdir=/dev/shm/
add --enable-dynsimd to turn on SSE. Helps a LOT.
when i run configure like this, i turns:
jack-audio-connection-kit 0.103.0 :
| Build with ALSA support............................... : true
| Build with FreeBob support............................ :
false
| Build with OSS
support................................ : true
| Build with CoreAudio support.......................... : false
| Build with PortAudio support.......................... : true
| Compiler optimization flags........................... :
-DREENTRANT
-O3 -fomit-frame-pointer -ffast-math -funroll-loops
-march=i686 -mmmx
-msse -mfpmath=sse
but for me with this line, sse seems to be turned on already?
i just added the option you mentioned, but the configure output is
the same.
cheers,
doc
| Compiler full flags................................... :
-I$(top_srcdir)/config -I$(top_srcdir) -I$(top_srcdir)
-D_REENTRANT
-D_POSIX_PTHREAD_SEMANTICS -Wall -g -g -O2
-I/usr/include/nptl
| Install dir for libjack + backends.................... :
${exec_prefix}/lib/jack
|
| Default driver backend................................ :
"alsa"
| Shared memory
interface............................... :
"System V"
| Install
prefix........................................ :
/usr/local
the processor type in the kernel config here is 'Pentium M'
but i
don't
know if the '-march=i686' could be changed with something like
'pentium M'.
since i am using a self made kernel, only a little help in
this issue
would help me a lot.
cheers,
doc
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--
Mike Taht
PostCards From the Bleeding Edge
http://the-edge.blogspot.com <http://the-edge.blogspot.com>
<http://the-edge.blogspot.com>