seem to care.
Regards
Ingo Oeser
Hi Jack,
On Wed, Aug 20, 2003 at 02:05:27PM -0500, Jack O'Quin wrote:
Ingo Oeser [EMAIL PROTECTED] writes:
(*) glibc seems to have a good set of functions internally
These I use myself and I can recommend them, as long as you use
GCC or a compatible compiler. They are made for user
GCC or a compatible compiler. They are mad for user space and
survive even preemption quite well.
Regards
Ingo Oeser
On Thu, Aug 14, 2003 at 05:02:21PM +0200, Takashi Iwai wrote:
[kernel scheduler tunables]
i guess it would be relatively easy to replace the above with
variables controlled via sysctl.
It is. There is even a patch for that. Google for kernel
scheduler tunables patch.
Regards
Ingo Oeser
with these commercial stuff
should be there.
With a compiled version, we win at least in cache usage and
therefore should also win in performance ;-)
Regards
Ingo Oeser
memory barriers.
Regards
Ingo Oeser
.
For people like you gcc supports -fvolatile.
Your code will be really slow, but you save typing 'volatile' where the
C-Compiler needs it.
Regards
Ingo Oeser
.
Regards
Ingo Oeser
realtime claims apply and this is another example
that good solutions are simple ;-)
Thanks and regards
Ingo Oeser
for msgget,
msgsnd, msgrcv.
What do you mean by if used right?
Thanks Regards
Ingo Oeser
Linux DSP group is still working on a
general purpose driver subsystem for such cards and needs more
hardware samples.
Regards
Ingo Oeser
Hi there,
On Sat, Apr 05, 2003 at 06:08:51PM +0100, Steve Harris wrote:
On Sat, Apr 05, 2003 at 06:15:09 +0200, Ingo Oeser wrote:
Now make that thread-safe and esp. thread-safe on an architecture
with weak memory ordering and all the fun stuff.
Sure, it will only work on architectures
.
The algorithm is basically the code in linux/fs/pipe.c, but
without any waiting. You can use the code as I GPL it by sending
it to the list.
Regards
Ingo Oeser
--
Marketing ist die Kunst, Leuten Sachen zu verkaufen, die sie
nicht brauchen, mit Geld, was sie nicht haben, um Leute zu
beeindrucken, die sie
threading implemented.
Regards
Ingo Oeser
--
Marketing ist die Kunst, Leuten Sachen zu verkaufen, die sie
nicht brauchen, mit Geld, was sie nicht haben, um Leute zu
beeindrucken, die sie nicht moegen.
thing, that uses
buslocks and does cachline-ping-pong. The last two are
increasing factors on multiprocessor systems. P4 with
hyperthreading is the same here.
Regards
Ingo Oeser
--
Marketing ist die Kunst, Leuten Sachen zu verkaufen, die sie
nicht brauchen, mit Geld, was sie nicht haben, um
are a bit
primitive and it doesn't really print out. not WYSIWYG anyway.
If not I might have a hack at writing one..
Try using noteedit[1]. It has the facilities you want, because I've
seen them live on an demonstration on one of our LUG meetings.
Regards
Ingo Oeser
[1] Use
process.
So please stop pointing out kernel bugs, where the kernel is
behaving as required by POSIX and people who use the POSIX
features.
Regards
Ingo Oeser
--
Science is what we can tell a computer. Art is everything else. --- D.E.Knuth
++){
jackplay-jpc[ch].buffer[jackplay-writeplace]=(sample_t)samples[ch][i];
}
jackplay-unread++;
jackplay-writeplace++;
if(jackplay-writeplace==jackplay-buffersize){
jackplay-writeplace=0;
}
}
}
But for pseudocode all of this is ok ;-)
Regards
Ingo Oeser
Linux-DSP to interoperate with the beast.
We are looking forward to it.
Regards
Ingo Oeser
--
Science is what we can tell a computer. Art is everything else. --- D.E.Knuth
its behavior via hardware debugging.
In short: They have lots of useless features.
Price: We got them donated, but they cost about half a car, if
you get them new, we have been told.
Regards
Ingo Oeser
--
Science is what we can tell a computer. Art is everything else. --- D.E.Knuth
can find it under
http://osg.informatik.tu-chemnitz.de/forschung/linux+dsp/index.html
This infrastructure is made for that kind of applications and is
awaiting it's use.
And it is fully GPL.
Regards
Ingo Oeser
--
Science is what we can tell a computer. Art is everything else. --- D.E.Knuth
Hi Vincent,
On Tue, Aug 13, 2002 at 01:58:11PM +0200, Vincent Touquet wrote:
On Tue, Aug 13, 2002 at 09:44:23AM +0200, Ingo Oeser wrote:
Give our project a sample board, a data sheet and some time then
we'll integrate it into our Linux-DSP-Project.
You can find it under
http
to
an application under Linux, and hence this is part of our work ;-)
Regards
Ingo Oeser
[1] Ok, some may use threads or if the programmer is really good,
than he is even able to implement it in proper co-routines instead.
--
Science is what we can tell a computer. Art is everything else
additional
services.
shameless plug
Our own project[1] is going even further by splitting the RT part
into a DSP program and a host program doing Non-RT-tasks. That
way nobody can beat you on low-latency, if you get your hands on
the right DSPs[2] ;-)
/shameless plug
Regards
Ingo Oeser
[1] http
the schedule. But atomic operations are always better,
that's where we agree. My basic hint was look how the kernel does
it, because there it's done right ;-)
Regards
Ingo Oeser
--
Science is what we can tell a computer. Art is everything else. --- D.E.Knuth
wasting your time here ;-)
Regards
Ingo Oeser
--
Science is what we can tell a computer. Art is everything else. --- D.E.Knuth
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