1 Jul
2010
1 Jul
'10
11:43 p.m.
On Thu, Jul 1, 2010 at 7:31 PM, Niels Mayer <nielsmayer(a)gmail.com> wrote:
[[see also latency test results for USB 1.0 devices
Emagic MT-4 and
Edirol UM-2, below reply]]
just for comparison, here are the results for an RME Digiface:
sudo /usr/bin/alsa-midi-latency-test -w -r -R -i 20:0 -o 20:0
alsa-midi-latency-test 0.0.3
set_realtime_priority(SCHED_FIFO, 99).. done.
clock resolution: 0.000999848 s
sampling 10000 midi latency values - please wait ...
press Ctrl+C to abort test
sample; latency_ms; latency_ms_worst
0; 1.00; 1.00
3; 1.00; 1.00
16; 2.00; 2.00
2530; 2.00; 2.00
9999; 1.00; 2.00
done.
latency distribution:
0.0 - 0.1 ms: 3
#
...
1.0 - 1.1 ms: 9787 ##################################################
...
2.0 - 2.1 ms: 210 #
SUCCESS
best latency was 0.00 ms
worst latency was 2.00 ms, which is great.