Thread: GPU Delay!!!
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Old 22-10-2006, 01:09 PM   #31
peraZdera
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Default Re: GPU Delay!!!

Tek sada odgovaram, jer sam imao problema nalogom (kada bih pokusao da postujem, izbaci mi poruku ...you don't have permisssions... bla bla...).

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Mislim da pogresno kapiras i povezujes podatke sa nacinom funkcionisanja obrade podataka.
Ne.

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s tim da je audio mnogo, mnogo manje zahtjevan (manja kolicina podataka za obraditi) od grafike i videa
Bas me zanima da li imas predstavu kolika je to kolicina(u MB), kada uzmemo u obzir 192kHz audio i recimo 30 kanala?

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(time propusni opseg totalno nestaje iz grupe cinilaca o kojima treba uopste razmisljati kao o problemu).
Ok, ali sta kad podatak ne moze dovoljno brzo da se prenese iz gddr-a u ddr? Onda protok moze da bude i 4TB pa ne bi vredelo...

a evo i ovo..
christian hresko christian.hresko at verizon.net
Sun Aug 15 21:42:17 PDT 2004
this will change. soon. the major vendors (ATI, NVIDIA) are working hard to optimize the pipeline for gpgpu. at least that's what they said...On Aug 15, 2004, at 4:15 PM, James McCartney wrote:>> The problem with using the GPU for audio is getting the data off of > the GPU.> It is built to work as a one way pipe.>> On Aug 15, 2004, at 9:02 AM, christian hresko wrote:>>> and one of them illustrated the use of the gpu for FFTs in audio >> processing.>> _______________________________________________> sc-dev mailing list> sc-dev at create.ucsb.edu> http://www.create.ucsb.edu/mailman/listinfo/sc-dev


A evo malo i testova:U programu test1.exe mnozim dva niza od 8388608(2048*2048*2) clanova kroz 300 iteracija (300 frame-ova)i ne vracam rezultat u ram.U test2.exe radim ovo isto, s tim sto posle svake iteracije vratim rezultat u ram. U istom fodleru gde se nalazi exe pravi se textualni fajl sa rezultatom koji se moze videti i posle zavrsetka testa.http://www.rumski.com/forum/attachme...1&d=1161518797P.S.
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a zatim se loud-uje sledeca scena
predpostavljam da si hteo da kazes load-uje (zbog ove crtice...)
Attached Files
File Type: zip GPUvsCPU test.zip (131.2 KB, 355 views)
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