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How many CUDA cores you have in your system?

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  • PetercatPetercat Posts: 2,321
    mjc1016 said:
    Petercat said:

    So if I'm limited to 6Gig anyway, renders won't start any faster but adding another card will mean they finish faster?

    Yes...but doubling the cores (2x of the same card) doesn't cut the time in half...it does shave off a bit, but not that much.

    So I can add an SSD and shave the load time, but not the working or render time.
    Or I can add another video card, and shave the render time a bit, but not help the larger scenes.
    Or add more system memory and... affect nothing.

    Oh, well. Money saved.

  • mjc1016mjc1016 Posts: 15,001

    SSDs have dropeed a lot in price...so while it may not shorten render times, it will save time in other areas.   As long as the scen fits on the card, then yeah, that's true...but if it doesn't, then you would be  wanting as much system memory as possible.

  • PetercatPetercat Posts: 2,321
    mjc1016 said:

    SSDs have dropeed a lot in price...so while it may not shorten render times, it will save time in other areas.   As long as the scen fits on the card, then yeah, that's true...but if it doesn't, then you would be  wanting as much system memory as possible.

    Well, I don't hit the GPU memory wall very often, so I guess I'll buy that 32" monitor to replace my 24".
    Won't speed anything up, but it will look coooooolllll...

  • mjc1016mjc1016 Posts: 15,001
    Petercat said:
    mjc1016 said:

    SSDs have dropeed a lot in price...so while it may not shorten render times, it will save time in other areas.   As long as the scen fits on the card, then yeah, that's true...but if it doesn't, then you would be  wanting as much system memory as possible.

    Well, I don't hit the GPU memory wall very often, so I guess I'll buy that 32" monitor to replace my 24".
    Won't speed anything up, but it will look coooooolllll...

    I'll take that 24" to replace my 19"...my son has all the cool 'toys'...laugh

  • ZyloxZylox Posts: 787

    96 cores and 1 Gb of ddr3 video ram, I plan to replace it with a Radeon card. It's a good thing I don't plan to do Iray renderscheeky

  • AllegraAllegra Posts: 405
    mjc1016 said:
    Allegra said:

    I've no idea about cores either but I've a GTX670 and it zips through Iray.

    1344 according the Nvidia spec page...

    Is that good mjc?...it doesn't sound like it compared to what others are showing....It's an i7-3820 CPU 3.60GHZ 32 GB Ram in an Antec P193
    .really don't know much about this stuff but it hasn't had a any problem rendering large and complex scenes....so far;)

  • PetercatPetercat Posts: 2,321
    mjc1016 said:
    Petercat said:
    mjc1016 said:

    SSDs have dropeed a lot in price...so while it may not shorten render times, it will save time in other areas.   As long as the scen fits on the card, then yeah, that's true...but if it doesn't, then you would be  wanting as much system memory as possible.

    Well, I don't hit the GPU memory wall very often, so I guess I'll buy that 32" monitor to replace my 24".
    Won't speed anything up, but it will look coooooolllll...

    I'll take that 24" to replace my 19"...my son has all the cool 'toys'...laugh

    Naw. The 24 will be replacing the 21 on my video editing computer, which will replace the 19 on my Linux internet computer.

  • prixatprixat Posts: 1,616

    I got the same card as Richard recently, a 750 Ti (with 640 cores)

    Had an opportunity to compare it directly to the 550 Ti (with 192 cores) that it replaced...      ...the 750 Ti is slightly slower!!!!!!

    In general the CUDA cores have been getting slower and slower, as Power and Temperature saving are overiding factors.
    They've been compensating by throwing lots more cores on the cards but they only ever add enough to be 'just' faster than the previous generation.
    ...or in my case, slightly slower than a card 2 generations older.frown

    If we could go back to the GTX 480, with a few thousand of those cores, and added memory, we would have a card with around 5 times the CUDA performance of a Titan X.

    Obviously it would run at around 6000 Watts! devil

  • sandmanmaxsandmanmax Posts: 992
    edited September 2016
    Silver Dolphin said:

    Nvidia 780 6gb = 2304 cuda cores each. I have 3 so 6912 cuda cores. It makes for zippy Iray renders.

    I thought having multiple video cards didn't help Iray?

    I just picked up  GTX 970 4gb 1664 cuda cores from Fry's for $269. I haven't installed it yet but it's supposed to be compatible with my motherboard. Fingers crossed, something always seems to go wrong.

    Post edited by sandmanmax on
  • fastbike1fastbike1 Posts: 4,078

    @sandman_max  "I thought having multiple video cards didn't help Iray?"

     

    Multiple Nvidia cards will help Iray provided they all have enought memory to load the scene. They won't be XX as fast, but 2 "identical" , .e.g. 980ti will be quite a bit faster, once the scene is loaded, than one.

  • nickalamannickalaman Posts: 196

    Multiple cards do help Iray and it does scale very well. I have 4 cards and my render time reflects that. Render time goes down from 60 seconds to about 20 seconds. The problem i have is I have mixed cards, a 780, 980ti and titan Z. So the cards slow down to match the slowest card, in my case the titan Z.

     

    Nick

     

  • MistaraMistara Posts: 38,675

    nonnne

  • LayLo 3DLayLo 3D Posts: 329

    I have two GTX 980s (2x2048 CUDA Cores) and a GTX 980 Ti (2816 CUDA Cores), so 6,912 CUDA Cores altogether.

  • BlueIreneBlueIrene Posts: 1,318
    mjc1016 said:

    96...and that is most definitely NOT ENOUGH!

    Same here. I get by, though, and wouldn't even have known until I was asked the question :)

  • MattymanxMattymanx Posts: 6,996
    edited September 2016
    ermullens said:

    24,576  8, M6000 quadro 24GB,384 bit GDDR5 3072 cores per card, GPU 988 MHz Boost 1114 MHz Memory 1653MHz,6612 MHz effective 

    second twin ASUS GTX1080 Turbo 8GB Cores:,2560, per card, Base Clock:1607 MHz, Boost Clock: 1733 MHz 

    House looks like an electronics store lots of gadgets very few clothes, unless you look on the wife's side begins more of a clothing/shoe store look then

    Does the local power company send you a christmas card every year?

     

    Petercat said:

    So... let me ask here...
    What's more important for iray, CUDA or card memory? Or system memory?

    Both but clock speed is important as well.  If you can safely overclock your card you can get better performance out of it.  The 980TI base clock speed is only 1000 MHz.  The Zotac AMP Extremes run around 1400 MHz.  They are the best 980TIs out of the box.  Awsome for gamming too!

    Post edited by Mattymanx on
  • mjc1016mjc1016 Posts: 15,001
    Petercat said:

    Naw. The 24 will be replacing the 21 on my video editing computer, which will replace the 19 on my Linux internet computer.

    My 19 is on a Linux box too...how strange.  My son's 27 is on a Windows machine...of course.

  • ParadigmParadigm Posts: 423
    ermullens said:

    24,576  8, M6000 quadro 24GB,384 bit GDDR5 3072 cores per card, GPU 988 MHz Boost 1114 MHz Memory 1653MHz,6612 MHz effective 

    second twin ASUS GTX1080 Turbo 8GB Cores:,2560, per card, Base Clock:1607 MHz, Boost Clock: 1733 MHz 

    House looks like an electronics store lots of gadgets very few clothes, unless you look on the wife's side begins more of a clothing/shoe store look then

    Hi, it's me your brother.

  • PetercatPetercat Posts: 2,321
    Mattymanx said:
    ermullens said:

    24,576  8, M6000 quadro 24GB,384 bit GDDR5 3072 cores per card, GPU 988 MHz Boost 1114 MHz Memory 1653MHz,6612 MHz effective 

    second twin ASUS GTX1080 Turbo 8GB Cores:,2560, per card, Base Clock:1607 MHz, Boost Clock: 1733 MHz 

    House looks like an electronics store lots of gadgets very few clothes, unless you look on the wife's side begins more of a clothing/shoe store look then

    Does the local power company send you a christmas card every year?

     

    Petercat said:

    So... let me ask here...
    What's more important for iray, CUDA or card memory? Or system memory?

    Both but clock speed is important as well.  If you can safely overclock your card you can get better performance out of it.  The 980TI base clock speed is only 1000 MHz.  The Zotac AMP Extremes run around 1400 MHz.  They are the best 980TIs out of the box.  Awsome for gamming too!

    MSI 980ti Gold at 1490mhz. No problems that can't be traced to a id-10-t error somewhere.

  • ermullensermullens Posts: 93
    Mattymanx said:
    ermullens said:

    24,576  8, M6000 quadro 24GB,384 bit GDDR5 3072 cores per card, GPU 988 MHz Boost 1114 MHz Memory 1653MHz,6612 MHz effective 

    second twin ASUS GTX1080 Turbo 8GB Cores:,2560, per card, Base Clock:1607 MHz, Boost Clock: 1733 MHz 

    House looks like an electronics store lots of gadgets very few clothes, unless you look on the wife's side begins more of a clothing/shoe store look then

    Does the local power company send you a christmas card every year?

     

    Petercat said:

    So... let me ask here...
    What's more important for iray, CUDA or card memory? Or system memory?

    Both but clock speed is important as well.  If you can safely overclock your card you can get better performance out of it.  The 980TI base clock speed is only 1000 MHz.  The Zotac AMP Extremes run around 1400 MHz.  They are the best 980TIs out of the box.  Awsome for gamming too!

    No, but i imagine they love me till there's a power outtage, 

  • nicsttnicstt Posts: 11,715

    Nowhere near enough; then again, I've a feeling that that will always be true.

  • nobody1954nobody1954 Posts: 933

    I'm not sure. How many CUDA cores does an abacus have?

  • fixmypcmikefixmypcmike Posts: 19,686
    nobody1954 said:

    I'm not sure. How many CUDA cores does an abacus have?

    Depends how many people can use it at once.  Not much RAM though.

  • GazukullGazukull Posts: 96

    11520 CUDA cores

    780 Ti x 4

    Really, this is one of my Octane render boxes.  For Iray I use a single Titan X Maxwell lol...

  • starionwolfstarionwolf Posts: 3,670
    edited September 2016

    CUDA cores?  Let me check Google.

    Edit: I can't tell.

    cuda 01.jpg
    400 x 494 - 98K
    Post edited by starionwolf on
  • PetercatPetercat Posts: 2,321
    Mattymanx said:
    ermullens said:

    24,576  8, M6000 quadro 24GB,384 bit GDDR5 3072 cores per card, GPU 988 MHz Boost 1114 MHz Memory 1653MHz,6612 MHz effective 

    second twin ASUS GTX1080 Turbo 8GB Cores:,2560, per card, Base Clock:1607 MHz, Boost Clock: 1733 MHz 

    House looks like an electronics store lots of gadgets very few clothes, unless you look on the wife's side begins more of a clothing/shoe store look then

    Does the local power company send you a christmas card every year?

     

    Petercat said:

    So... let me ask here...
    What's more important for iray, CUDA or card memory? Or system memory?

    Both but clock speed is important as well.  If you can safely overclock your card you can get better performance out of it.  The 980TI base clock speed is only 1000 MHz.  The Zotac AMP Extremes run around 1400 MHz.  They are the best 980TIs out of the box.  Awsome for gamming too!

    MSI Gold at 1490mhz. No problems that c

    mjc1016 said:
    Petercat said:

    Naw. The 24 will be replacing the 21 on my video editing computer, which will replace the 19 on my Linux internet computer.

    My 19 is on a Linux box too...how strange.  My son's 27 is on a Windows machine...of course.

    Newegg has a 24" Acer on sale for $100.00 or so. ($99.something)

  • AllenArtAllenArt Posts: 7,175
    edited September 2016
    starionwolf said:

    CUDA cores?  Let me check Google.

    Edit: I can't tell.

    384...same as "shaders". Not really CUDA cores tho because AMD's don't have CUDA

    Post edited by AllenArt on
  • alexhcowleyalexhcowley Posts: 2,403
    edited September 2016

    MSI GTX 970,  4GB 1664 cores - the one with the twin fans and the Ferrari red trim.  I also have a 2GB 730 but this is only allowed the talk to my monitor, it's never allowed to play with Iray.  Once the drivers are sorted out, I'm upgrading to a 1080. 

    Cheers,

    Alex.

    Post edited by alexhcowley on
  • MistaraMistara Posts: 38,675

    is    CUDA Cores: 384  a lot?  

    6-8 days.  smiley

    spent my staycation Cheesecake Factory lunch money on da cudas

  • xmasrosexmasrose Posts: 1,409

    My desktop has a GTX460 (336 cores and 1GB memory) so I don't use it, I render only CPU but my new notebook has a GTX 980 (not 980M) with 2048 cores and 8GB!

  • AllenArtAllenArt Posts: 7,175
    MistyMist said:

    is    CUDA Cores: 384  a lot?  

    6-8 days.  smiley

    spent my staycation Cheesecake Factory lunch money on da cudas

    I answered you in your other thread. Unfortunately, you should have saved yourself the money at least as far as Iray is concerned. It's not going to benefit you any,

    Laurie

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