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Re: [Fwd: Re: [iiwusynth-devel] update and todo list]
From: |
Josh Green |
Subject: |
Re: [Fwd: Re: [iiwusynth-devel] update and todo list] |
Date: |
04 Jun 2002 00:06:24 -0600 |
On Mon, 2002-06-03 at 16:10, Peter Hanappe wrote:
>
> I agree it can be improved. I started profiling the synthesizer to
> analyse where most of the time is spent. I also experimented with
> doing part of the DSP in fixed point arithmetic. It seems that the
> signal processing takes an acceptable amount of CPU. It seems rather
> that the release phases of the notes are generally quite long which
> means a lot of voices are being synthesized that you don't really
> hear. For 10 notes being played, there can be 40 notes in the release
> phase! Anyway, it clearly needs more work.
>
> Peter
>
>
I notice that a good deal of CPU time is taken up just being idle (> 12%
on my PII-366) just after starting iiwusynth (no SoundFonts loaded or
anthing). Cheers.
Josh