[Ardour-Users] Ardour3 CPU load is very high

Paul Davis paul at linuxaudiosystems.com
Mon May 13 05:09:40 PDT 2013

(better to actually join the mailing list, because I won't hand-approve
each message sent by non-list members ....)

On Mon, May 13, 2013 at 12:25 AM, Fernando Quirós <
fernando.quiros.r at gmail.com> wrote:

> Hi,
> A few days ago I bought Ardour3 3.1-10 for Ubuntu 12.4 x64. I'm using jack
> at 96KHz, 64 samples, and 4 buffer. Most programs use about 5% to 8% of DSP
> each but Ardour with 4 audio tracks uses about 50% of DSP. Each track
> increases the DSP load by aprox. 10% even thou they are disconnected and
> jack is not playing anything. I haven't tried lower sample frequencies yet
> but I think the DSP load is quite high. I would like to know if that is
> normal, there is a possible config problem or there is a bug. I have tried
> with different CPU configs in Ardour3 without any difference. If I don't
> use Ardour3 the DSP load in jack is below 40% with 5 programs running.
> I have an I7 procesor 1.9GHz, 8 cores and 8GB of RAM. Thanks in advance.
> Best regards,
> Fernando Quiros
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