That worked!
By the way, the performance is a ton better once floats were enabled.
Profiling results:
hardware: Raspberry Pi Zero -- Linux raspberrypi 4.14.34+ #1110 Mon Apr 16
14:51:42 BST 2018 armv6l GNU/Linux
fluidsynth version: 2.0.0.beta1
build: cmake -DCMAKE_BUILD_TYPE=Release
-DCMAKE_C_FLAGS_RELEASE="-ffast-math -O3" -Denable-profiling=1
-Denable-floats=true ..
params: prof_set_notes 50, prof_set_print 1, prof_start 5 1000
fluidsynth Number of measures(n_prof):5, duration of one mesure(dur):1000ms
fluidsynth
fluidsynth Profiling time(mm:ss): Total=0:5 Remainder=0:5, press <ENTER>
to cancel
fluidsynth +417ms
fluidsynth
------------------------------------------------------------------------------
fluidsynth Duration(microsecond) and cpu loads(%) (sr: 44100 Hz, sp:
22.68 microsecond)
fluidsynth
------------------------------------------------------------------------------
fluidsynth Code under profiling |Voices| Duration
(microsecond) | Load(%)
fluidsynth | nbr| min| avg|
max|
fluidsynth
---------------------------|------|--------------------------------|----------
fluidsynth synth_write_* ------------>| 50| 1168.00| 1233.01|
1415.00| 84.962
fluidsynth synth_one_block ---------->| 50| 1150.00| 1212.99|
1374.00| 83.582
fluidsynth synth_one_block:clear ---->| 50| 3.00| 5.15|
85.00| 0.355
fluidsynth synth_one_block:one voice->| 1| 18.00| 20.73|
118.00| 1.428
fluidsynth synth_one_block:all voices>| 50| 990.00| 1041.04|
1184.00| 71.734
fluidsynth synth_one_block:reverb --->| 0| 107.00| 113.22|
190.00| 7.802
fluidsynth synth_one_block:chorus --->| 0| 35.00| 46.79|
142.00| 3.224
fluidsynth voice:note --------------->| no profiling available
fluidsynth voice:release ------------>| no profiling available
fluidsynth
------------------------------------------------------------------------------
fluidsynth Cpu loads(%) (sr: 44100 Hz, sp: 22.68 microsecond) and
maximum voices
fluidsynth
------------------------------------------------------------------------------
fluidsynth nVoices| total(%)|voices(%)| reverb(%)|chorus(%)|
voice(%)|estimated maxVoices
fluidsynth
-------|---------|---------|----------|---------|---------|-------------------
fluidsynth 50| 84.962| 73.936| 7.802| 3.224| 1.435|
62
fluidsynth
fluidsynth Profiling time(mm:ss): Total=0:5 Remainder=0:4, press <ENTER>
to cancel
fluidsynth +624ms
fluidsynth
------------------------------------------------------------------------------
fluidsynth Duration(microsecond) and cpu loads(%) (sr: 44100 Hz, sp:
22.68 microsecond)
fluidsynth
------------------------------------------------------------------------------
fluidsynth Code under profiling |Voices| Duration
(microsecond) | Load(%)
fluidsynth | nbr| min| avg|
max|
fluidsynth
---------------------------|------|--------------------------------|----------
fluidsynth synth_write_* ------------>| 50| 1168.00| 1232.86|
1415.00| 84.952
fluidsynth synth_one_block ---------->| 50| 1150.00| 1213.04|
1374.00| 83.586
fluidsynth synth_one_block:clear ---->| 50| 3.00| 5.07|
85.00| 0.349
fluidsynth synth_one_block:one voice->| 1| 17.00| 20.73|
122.00| 1.428
fluidsynth synth_one_block:all voices>| 50| 989.00| 1041.04|
1184.00| 71.734
fluidsynth synth_one_block:reverb --->| 0| 107.00| 113.37|
200.00| 7.812
fluidsynth synth_one_block:chorus --->| 0| 35.00| 46.72|
142.00| 3.219
fluidsynth voice:note --------------->| no profiling available
fluidsynth voice:release ------------>| no profiling available
fluidsynth
------------------------------------------------------------------------------
fluidsynth Cpu loads(%) (sr: 44100 Hz, sp: 22.68 microsecond) and
maximum voices
fluidsynth
------------------------------------------------------------------------------
fluidsynth nVoices| total(%)|voices(%)| reverb(%)|chorus(%)|
voice(%)|estimated maxVoices
fluidsynth
-------|---------|---------|----------|---------|---------|-------------------
fluidsynth 50| 84.952| 73.921| 7.812| 3.219| 1.435|
62
fluidsynth
fluidsynth Profiling time(mm:ss): Total=0:5 Remainder=0:3, press <ENTER>
to cancel
fluidsynth
------------------------------------------------------------------------------
fluidsynth Duration(microsecond) and cpu loads(%) (sr: 44100 Hz, sp:
22.68 microsecond)
fluidsynth
------------------------------------------------------------------------------
fluidsynth Code under profiling |Voices| Duration
(microsecond) | Load(%)
fluidsynth | nbr| min| avg|
max|
fluidsynth
---------------------------|------|--------------------------------|----------
fluidsynth synth_write_* ------------>| 50| 1168.00| 1232.97|
1415.00| 84.960
fluidsynth synth_one_block ---------->| 50| 1150.00| 1213.16|
1374.00| 83.594
fluidsynth synth_one_block:clear ---->| 50| 3.00| 5.05|
85.00| 0.348
fluidsynth synth_one_block:one voice->| 1| 17.00| 20.73|
122.00| 1.429
fluidsynth synth_one_block:all voices>| 50| 989.00| 1041.12|
1184.00| 71.740
fluidsynth synth_one_block:reverb --->| 0| 107.00| 113.56|
200.00| 7.825
fluidsynth synth_one_block:chorus --->| 0| 35.00| 46.61|
142.00| 3.212
fluidsynth voice:note --------------->| no profiling available
fluidsynth voice:release ------------>| no profiling available
fluidsynth
------------------------------------------------------------------------------
fluidsynth Cpu loads(%) (sr: 44100 Hz, sp: 22.68 microsecond) and
maximum voices
fluidsynth
------------------------------------------------------------------------------
fluidsynth nVoices| total(%)|voices(%)| reverb(%)|chorus(%)|
voice(%)|estimated maxVoices
fluidsynth
-------|---------|---------|----------|---------|---------|-------------------
fluidsynth 50| 84.960| 73.923| 7.825| 3.212| 1.435|
62
fluidsynth
fluidsynth Profiling time(mm:ss): Total=0:5 Remainder=0:2, press <ENTER>
to cancel
Thanks!
On Sat, Jun 2, 2018 at 2:36 AM, Marcus Weseloh <mar...@weseloh.cc> wrote:
> Hi Geoff,
>
> 2018-06-01 23:52 GMT+02:00 Geoff Plitt <ge...@gweb.org>:
>
>> Hey Marcus,
>>
>> I built with "-Denable-profiling=1", run with synth.verbose=true, sent
>> your profiling commands, didn't see any profiling output. Am I missing
>> something?
>>
>
> That is strange... did you see any errors in the output? Oh, and you'll
> need Fluidsynth compiled from master or the 2.0 beta version.
>
> I usually write the profiling commands to a text file:
>
> prof.txt
> --------
> prof_set_notes 40
> prof_set_print 1
> prof_start 5 1000
> ---------
>
> Then start FluidSynth like this:
>
> $ fluidsynth -a alsa /path/to/Soundfont.sf2 -f /path/to/prof.txt
>
> Cheers,
>
> Marcus
>
>
> _______________________________________________
> fluid-dev mailing list
> fluid-dev@nongnu.org
> https://lists.nongnu.org/mailman/listinfo/fluid-dev
>
>
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