[PD] array copy speed test

[Hans-Christoph Steiner]

On Jul 31, 2006, at 4:47 PM, Frank Barknecht wrote:

> Hallo,
> Enrique Erne hat gesagt: // Enrique Erne wrote:
>
>>> So I did a little speed test between C and Pd for doing an
>>> array-to-array copying.  Pd didn't fair so well.  Can anyone  
>>> thing of
>>> a better algorithm for copying in Pd?
>>>
>>> .hc
>>>
>>
>> added zexy/tabdump and zexy/tabset to copy the array, but it  
>> arraycopy
>> is much faster.
>
> And I added an alternative version of writing values to an array
> inside Pd by just sending "index value(s)" lists to the array name.
>
> Interestingly this is a little bit faster than using [tabwrite]. It
> maybe could be made even faster by writing more than one value in one
> go.

Now that I think about it, how much with SIMD/altivec help to speed  
up the Pd internals for something like this? That would be very nice  
indeed.

.hc