OpenCL: internal implementation tests in MQL5 - page 6
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I'm sorry, everyone's counting, maybe it's the money.) You'll knock all the videogames off the shelves. What do you need a video for? It's not for the cloud, why?
Maybe http://opencl.ru/design- this article will help a little in remembering some of the things described above, both for users and programmers. At least I found it interesting....
By the way, the new 1.2 version of the standard has been released with changes http://www.opennet.ru/opennews/art.shtml?num=32315. Many questions should be solved by themselves. But you have to use them correctly....
All have already been demolished. It's booming now. I'm late again, I'm going to count my pension on a calculator (( the last sucker is a sucker).
...
Another question for the future: how do I combine them into a battery if, for example, I buy two or three HD6930s?// I'll take one for now, but will be added later.
What are the costs of combining? Is it all down to commutation or are additional devices needed?
Absolutely no cost at all. Each card comes with a cross-fire "bridge" - a stub that connects the video card to the subsequent one. The second one also has this stub with which it connects to the third and so on.
http://multimonitor.net/wp-content/uploads/2008/02/ati_quadcrossfire.jpg
http://resource.mmgn.com/Gallery/full/5870-4-Way-Cross-Fire-1039189.jpg
It is desirable to take cards from one manufacturer and match the frequencies and memory capacities. But not necessarily...
http://www.regard.ru/catalog/tovar103928.htm is the 6930 available.
And you should pay attention to the motherboard. For me personally - more PCI-E slots means more dual-slot graphics cards.
http://www.regard.ru/catalog/tovar100836.htm
I'm sorry, but everyone's counting, probably money.) You'll knock all the videogames off the shelves. You don't need a video for the cloud, why do you need one?
:)
I'll get one for the cloud too. :)
But first, it's self-sabotaging. I'm sorry, everyone's counting, maybe the money.
1. there is absolutely no cost at all. Each card comes with a cross-fire "bridge" - a stub that connects the video card to the next. The second card also has this cable which connects it to the third one, etc. It is desirable to take cards of one manufacturer and match the frequencies and memory size. But not necessarily...
http://www.regard.ru/catalog/tovar103928.htm is 6930 available.
2. and you should pay attention to the motherboard. For me personally more PCI-E slots means more dual slot cards.
http://www.regard.ru/catalog/tovar100836.htm
1. thanks a lot. Very informative and to the point.
2. I know exactly what I meant about my mother. I was just looking for a motherboard at the moment.
I even wanted to ask, but I was too embarrassed. :) I need a motherboard for my phenom ii x6 1100t. Right now I'm looking at the GIGABYTE GA-890FXA-UD7
......... I need a motherboard for my phenom ii x6 1100t. Currently I'm looking at GIGABYTE GA-890FXA-UD7
I've looked at it and read a review, and it's "praiseworthy". The only thing is that the price on the internet is about 6500. Why it costs so much here - I don't know. But maybe I should take not AM3 but AM3+ motherboard to be able to replace FX series processor in future, particularlyhttp://www.regard.ru/catalog/tovar103634.htm. But for every motherboard you have to read reviews. And it is better to have more than one. And then you have to make your choice.
And perhaps the most important thing when you are upgrading for crunching or mining (by the way, it's a nice word for those who submit their power to the cloud) is to consider the size of both motherboard and video, what would fit in the case and would be well-ventilated. Due to the fact that my video is 31 cm long - I had to literally open up the basket of hard drives, the good thing is that it's made of aluminum. And it's not a small case either.
1. thank you very much. Very informative and to the point.
2. You read my mind right through the mother. I'm looking at motherboards right now.
I even wanted to ask, but I was too embarrassed. :) I need a motherboard for my phenom ii x6 1100t. Right now I'm looking at GIGABYTE GA-890FXA-UD7.
Don't get the Gigabyte for anything.
For games it will do, for bitmining, multi-gpu bitcoing it will do, but for MT5-GPU it won't do.
Here's the thing:
Scientific computations in general and MT5-GPU in particular need high data transfer speeds on the PCI-E bus. At gigabyte you're walking into a cheat: Their multi-slot motherboards use a PCI-E bus .... that's two to four times slower than the PCI-E bus. 2x-4x slower. Check your own link: it says
"More info PCI Express x16 slot mode - 2 slots operate in x8 mode, 4 slots in x1 mode; 1 x PS/2 port is combo port".
You should look carefully at the specification of the motherboard regarding the speed limit of PCI-E - it has to be x16 at least in one slot.
Thank you that at least here Gigabyte has written honestly, but in fact it has cheated a lot of people in the past.
There is no decent all-in-one program for testing PCI-E communication speed for OpenCL, but there is one for nvidia CUDA.
It's CUDA-Z.
http://cuda-z.sourceforge.net/
CUDA-Z speed results, along with oddities due to PCI-E speed:
http://forums.guru3d.com/showthread.php?t=328274
There memory speed should be at least 1000 MB/s for "pageable" and 2000-5000 MB/s for "pinned" types of memory access between CPU-GPU over the PCI-E bus. (There are two software-defined types of access to the GPU memory via PCI-E bus in CUDA that are fundamentally different in terms of speed, by as much as 3-4 times. The memory speed inside the GPU is about 10 000-22 000 Mb/s. Get used to the "hardware" optimization).
Gigabyte will give you 400MB/s instead of 1800MB/s. This motherboard-video card figure is critical for the speed of most scientific tasks.
Otherwise, it's not the hardware you'll be stuck with, but the drivers and software.
The subject of hardware for OpenCL is endless and I am not going to speak further on this subject as there are plenty of other sites for this purpose. Well, except for the name of a good professional chipset 790-, 890-, 990-
FX
from AMD for Phenom speaks for itself.
1. but maybe you should take a mother not AM3 but AM3+ to be able to replace the processor with FX series, in particularhttp://www.regard.ru/catalog/tovar103634.htm in the future. But for every motherboard you have to read reviews. And it is better to have more than one. And then you have to make your choice.
2. and perhaps the most important in upgrading for crunching or mining (by the way, that's a beautiful word for those who take their power to the cloud) is to consider the size of motherboard and video, what would "fit" into the case, plus good ventilation. Due to the fact that my video is 31 cm long - I had to literally open up the basket of hard drives, the good thing is that it's made of aluminum. And it's not a small case.
1. I read the reviews, but it looks like I'll have to do some more research.
And I don't want FX-series - just read reviews/tests and braked in time. There cores are almost halved (according to advertisement - twin). And each half is presented as a core, although in fact it's a little more than a pole. I.e. an octa-core there, actually a quad-core with dual cores. Well, these "octa-core" cores lag behind my hexa-core in performance, as a quad-core should. So a marketing deceit takes place. This time it is AMD's.
2. about the case - yes, I know I need a big one but it seems irrelevant now and I have to look for another mother. AlexErosis rather convincing about Gigabyte. For now I'll continue to research the subject and later will make my choice relying on testimonials and descriptions.