Re: [PD] will 64bit Pd solve large table indexing issue?

2022-03-01 Thread Peter P.
Thanks Christof and IOhannes for your replies!
I also just found this nice article from Katja
https://www.katjaas.nl/doubleprecision/doubleprecision.html

best, P



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Re: [PD] will 64bit Pd solve large table indexing issue?

2022-03-01 Thread Peter P.
* IOhannes m zmoelnig  [2022-03-01 12:03]:
> On 3/1/22 11:43, Peter P. wrote:
> > Hi,
> > 
> > will a 64bit Pd
> 
> what's a "64bit Pd"?
Ah yes, the old confusion. I was at first thinking of
a "64 bit executable" or "64 bit application" as in 
http://msp.ucsd.edu/software.html
or as in 
$ file /usr/bin/puredata 
/usr/bin/puredata: ELF 64-bit LSB pie executable [...]

but now I figure my question would be about double-precision Pd, that is
a Pd compiled with
./configure CPPFLAGS="-DPD_FLOATSIZE=64"



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Re: [PD] will 64bit Pd solve large table indexing issue?

2022-03-01 Thread Christof Ressi
"64-bit $APP" traditionally means: $APP compiled for a 64-bit 
architecture. In that sense, Pd has already been 64-bit for a couple of 
yours, unless you're running a 32-bit OS or use 32-bit legacy builds.


Now, I guess what you actually mean is single-precision vs. 
double-precision, but this is completely unrelated to CPU architeture.


64-bit Pd -> Pd compiled for a 64-bit architecture.

double precision Pd -> Pd that internally uses double precision floating 
point numbers for audio computation and messages.



will a 64bit Pd solve the problem of numerical inaccuracy when indexing

no, but double precision Pd does!

Christof

On 01.03.2022 11:43, Peter P. wrote:

Hi,

will a 64bit Pd solve the problem of numerical inaccuracy when indexing
larger audio tables (compare B16.long-varispeed.pd)?

thanks and cheersz, P



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Re: [PD] will 64bit Pd solve large table indexing issue?

2022-03-01 Thread IOhannes m zmoelnig

On 3/1/22 11:43, Peter P. wrote:

Hi,

will a 64bit Pd 


what's a "64bit Pd"?

fgmadrs
IOhannes


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[PD] will 64bit Pd solve large table indexing issue?

2022-03-01 Thread Peter P.
Hi,

will a 64bit Pd solve the problem of numerical inaccuracy when indexing
larger audio tables (compare B16.long-varispeed.pd)?

thanks and cheersz, P



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