Mmm, unless I made a mistake replicating his copy + switch + compile, I'm
getting a rough 33s to copy 10 object other 350000 points.

2017-09-29 8:34 GMT+02:00 Olivier Jeannel <[email protected]>:

> Nice read. I'll try to replicate the last setup to compare specs.
> I really wonder how much a compile block speeds up the computation.
>
>
> On Thursday, September 28, 2017, Jonathan Moore <[email protected]>
> wrote:
>
>> Just came across this great blog post from Toadstorm entitled "A
>> Long-Winded Guide to Houdini Instancing" I'd label it "everything you
>> wanted to know about Houdini instancing but were afraid to ask!" myself.
>> It's a damn fine read, and great for those just starting out in Houdini too.
>>
>> https://urldefense.proofpoint.com/v2/url?u=http-3A__www.toadstorm.com_blog_-3Fp-3D493&d=DwIFaQ&c=76Q6Tcqc-t2x0ciWn7KFdCiqt6IQ7a_IF9uzNzd_2pA&r=GmX_32eCLYPFLJ529RohsPjjNVwo9P0jVMsrMw7PFsA&m=mETKR84ZjT0ieTSpGt18WpiIKtF6FB4ETTZSq0s7Dvk&s=CSRMujgSvMgmdlHs725-Dde2B_yhqKKfMLx7ikjrRgM&e=
>>  
>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.toadstorm.com_blog_-3Fp-3D493&d=DwMFaQ&c=76Q6Tcqc-t2x0ciWn7KFdCiqt6IQ7a_IF9uzNzd_2pA&r=GmX_32eCLYPFLJ529RohsPjjNVwo9P0jVMsrMw7PFsA&m=NIPJF89o1z2Sf-yJSnls9v63QFl5b0y4nhmUBf8UWkg&s=h4hreQntQUMdMiO3LeMrJyHXHEyKLnKAKoxAMLdA0yo&e=>
>>
>> Enjoy.
>>
>>
>> On 25 September 2017 at 16:22, Olivier Jeannel <[email protected]>
>> wrote:
>>
>>> Kind of rooky question that I already asked but...
>>>
>>> So I have that "problem" with the copy sop (copy to point, whatever)
>>> when I have to do a copy with multiple input objects.
>>> It was something really easy within ice with high performances.
>>>
>>> I watched the sidefx tutorial, and so far I undertstood they deprecated
>>> the stamp method for a copy within a loop.It's rather slow.
>>>
>>> I also saw a method where it copies all the multiple objects on each
>>> point and then delete according to the ptnum the undesired copies. it gets
>>> very slow when you have many different objects to copy and it eats memory.
>>>
>>> So I made my "own" method
>>> The scenario was
>>> working with packed
>>> 10 different objects(platonic, torus, sphere, etc)
>>> I have some scattered point
>>> I have a noise (float) on the scattered points
>>> I want to distribute my 10 objects according to the values of that noise
>>>
>>> so I divided my noise in 10 zones (based on grey float values)
>>> I counted howmany of each object there was per zone(@numbperzone)
>>> I copied each object the good amount
>>> I placed each copy at its corresponding scattered point
>>>
>>> et voilĂ 
>>>
>>> now for 10 objects distributed on 350000 points it takes under 10s.
>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__drive.google.com_open-3Fid-3D0B1QqhXD7Y15qVnBqMVhKeWl0dnc&d=DwIFaQ&c=76Q6Tcqc-t2x0ciWn7KFdCiqt6IQ7a_IF9uzNzd_2pA&r=GmX_32eCLYPFLJ529RohsPjjNVwo9P0jVMsrMw7PFsA&m=mETKR84ZjT0ieTSpGt18WpiIKtF6FB4ETTZSq0s7Dvk&s=n7aCBXHuRKOJdcqrmZ2mzLcUznM2Y7D-CR8ACq_U0cY&e=
>>>  
>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__drive.google.com_open-3Fid-3D0B1QqhXD7Y15qVnBqMVhKeWl0dnc&d=DwMFaQ&c=76Q6Tcqc-t2x0ciWn7KFdCiqt6IQ7a_IF9uzNzd_2pA&r=GmX_32eCLYPFLJ529RohsPjjNVwo9P0jVMsrMw7PFsA&m=NIPJF89o1z2Sf-yJSnls9v63QFl5b0y4nhmUBf8UWkg&s=ObZ8gSpC-gUJkqCl3yDXGzsY0smzMBKUfJXxB92qo80&e=>
>>>
>>> That's my best method for now, but I have now idea if it's worth
>>> something.
>>>
>>> So how do you guys usually do ?
>>>
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>>
>>
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