Well, I'm looking forward to seeing you there as well! Everything is
progressing well after the eye surgery and barring unlikely
misfortunes, I will be there.

And thanks for testing the Lua opcodes. I think this approach to audio
DSP coding opens up many possibilities.

Regards,
Mike

On Fri, Sep 9, 2011 at 9:54 AM, Francois PINOT  wrote:
> Hello MiKe,
>
> I just built Csound with your LuaOpcodes from git. My system is Ubuntu 11.04
> 32 bits. I built csound with new parser and doubles. Lua was not installed
> on my system, except liblua5.1 needed by some packages. Here's the report of
> my build.
>
> 1) get LuaJIT sources from http://luajit.org and decompress the archive,
> build it and install:
> a) tar zxf LuaJIT-2.0.0-beta8.tar.gz
> b) cd LuaJIT-2.0.0-beta8
> c) make
> d) sudo make install
> e) cd /usr/local/bin
> f) sudo ln -sg luajit-2.0.0-beta8 luajit
>
> 2) get csound sources from git
> a) add this line in my custom.py file:
>          customCPPPATH.append('/usr/local/include/luajit-2.0')
> b) modify SConstruct so that the linker links against libluajit instead of
> liblua (I don't want to have a symbolic link from liblua to libluajit to
> avoid breaking my package system integrity. So I changed line 2054 in
> SConstruct from     luaEnvironment.Append(LIBS = ['lua51'])     to
> luaEnvironment.Append(LIBS = ['luajit-5.1']).
> c) build csound with   buildLuaOpcodes=1 (notice that I didn't build
> luaWrapper, buildLuaWrapper was not set)
> d) sudo python install.py
>
>
> 3) Change in your examples luaopcode.csd and luamoog.csd the reference to
> the csound API from csound64.dll.5.2 to csound64.so
>
> 4) Run your examples in realtime. Magic, everything works at the first try!
>
> Thank you for sharing this very, very nice work.
>
> Hope we'll see you in Hannover.
>
> Francois
>



-- 
Michael Gogins
Irreducible Productions
http://www.michael-gogins.com
Michael dot Gogins at gmail dot com


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Are you rendering to a soundfile? If you are rendering to audio out,
all the times should be the same.

Regards,
Mike

On Mon, Sep 12, 2011 at 8:54 AM, Rene Jopi  wrote:
> Hi,
> Thanks for these powerful new programming facility.
> Have tested on Ubuntu 10.04 with success, thanks for your report.
> (I use -sf instead of -sg for ln flags, may be a typo)
> Have read that Lua opcode are much faster than UDO.
> Is luamoog.csd should show that point too?
> My csound output is:
> Opcode: moogladder
> Result: 0
> orch now loaded
> audio buffered in 1024 sample-frame blocks
> writing 4096-byte blks of floats to dac
> SECTION 1:
> instr 5:  ielapsed = 0.041
> Lua moogladder.
> instr 5:  ielapsed = 20.952
> Lua moogladder.
> instr 5:  ielapsed = 20.993
> Native moogladder.
> instr 5:  ielapsed = 21.011
> Native moogladder.
> instr 5:  ielapsed = 20.995
> UDO moogladder.
> instr 5:  ielapsed = 21.543
> UDO moogladder.
> instr 5:  ielapsed = 21.099
> No filter.
> instr 5:  ielapsed = 20.990
> No filter.
> instr 5:  ielapsed = 21.013
> Lua moogladder.
> Lua moogladder.
> Lua moogladder.
> Score finished in csoundPerform().
> ....
> I can't see the correlation between the printed times values and the moog
> instruments.
> Regards,
> René
>
> 2011/9/9 Francois PINOT 
>>
>> Hello MiKe,
>>
>> I just built Csound with your LuaOpcodes from git. My system is Ubuntu
>> 11.04 32 bits. I built csound with new parser and doubles. Lua was not
>> installed on my system, except liblua5.1 needed by some packages. Here's the
>> report of my build.
>>
>> 1) get LuaJIT sources from http://luajit.org and decompress the archive,
>> build it and install:
>> a) tar zxf LuaJIT-2.0.0-beta8.tar.gz
>> b) cd LuaJIT-2.0.0-beta8
>> c) make
>> d) sudo make install
>> e) cd /usr/local/bin
>> f) sudo ln -sg luajit-2.0.0-beta8 luajit
>>
>> 2) get csound sources from git
>> a) add this line in my custom.py file:
>>          customCPPPATH.append('/usr/local/include/luajit-2.0')
>> b) modify SConstruct so that the linker links against libluajit instead of
>> liblua (I don't want to have a symbolic link from liblua to libluajit to
>> avoid breaking my package system integrity. So I changed line 2054 in
>> SConstruct from     luaEnvironment.Append(LIBS = ['lua51'])     to
>> luaEnvironment.Append(LIBS = ['luajit-5.1']).
>> c) build csound with   buildLuaOpcodes=1 (notice that I didn't build
>> luaWrapper, buildLuaWrapper was not set)
>> d) sudo python install.py
>>
>>
>> 3) Change in your examples luaopcode.csd and luamoog.csd the reference to
>> the csound API from csound64.dll.5.2 to csound64.so
>>
>> 4) Run your examples in realtime. Magic, everything works at the first
>> try!
>>
>> Thank you for sharing this very, very nice work.
>>
>> Hope we'll see you in Hannover.
>>
>> Francois
>
>



-- 
Michael Gogins
Irreducible Productions
http://www.michael-gogins.com
Michael dot Gogins at gmail dot com


Send bugs reports to the Sourceforge bug tracker
            https://sourceforge.net/tracker/?group_id=81968&atid=564599
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