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Author Topic: Hello! :D (And hardware question)  (Read 754 times)
mvd7793
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June 13, 2011, 11:21:22 PM
 #1

Hello bitcoin forum! I want to PM one of your members so I'm making a post here.

I do have a hardware question. I have an ATI Mobility Radeon 4670 in my laptop. Does it work with any GPU miners? (As I don't think it supports OpenCL. DirectX 10.1)

Thanks!
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lorenzfx
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June 13, 2011, 11:22:38 PM
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if it doesn't support opencl, it won't work with gpu miners, sorry
mvd7793
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June 13, 2011, 11:32:14 PM
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Aww that's ok. Here's another question.

Looking at MtGox's ticker data returned by the API, it seems in almost every given scenario it's giving a profit based on their rates.

Specifically:

https://mtgox.com/code/data/ticker.php just returned the following:

{"ticker":{"high":24.5,"low":16,"vol":73423,"buy":19.3444,"sell":19.5981,"last":19.3444}}

Which (I think) means that a Bitcoin was just bought at the rate of $19.3444->1BTC, and a bitcoin was just sold at a rate of $19.5981->1BTC.

As they have a trading API, wouldn't it be possible (and why hasn't someone) written scripts to take advantage of this difference (as it's greater than their .65% fee)? (I just want to make sure I'm not thinking about it wrong.)

$19.5981*.0065= 0.12738765
$19.3444 * .0065 = 0.1257386

So theoretically, assuming those rates were held constant, you'd make a (very small) profit by going from 1BTC --> USD --> 1BTC. Is that math correct?

Thanks! Sorry for the strange question.
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June 13, 2011, 11:44:14 PM
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Mobilities actually do support openCL.
mvd7793
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June 13, 2011, 11:45:29 PM
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I found online that ATI cards didn't support it until they supported DirectX11 (I'm 10.1), and OpenCL wasn't supported according to GPU Caps Viewer. Is it a download I need to find on the internet somewhere, or should it just work?
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June 13, 2011, 11:52:33 PM
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I found online that ATI cards didn't support it until they supported DirectX11 (I'm 10.1), and OpenCL wasn't supported according to GPU Caps Viewer. Is it a download I need to find on the internet somewhere, or should it just work?

http://developer.amd.com/sdks/AMDAPPSDK/downloads/Pages/default.aspx


ATI Mobility Catalyst™ 11.4 Driver Suite 1 is needed for OpenCL Support on mobility apparently... and 10.1 should still work, If not then 4600, and 4800 series wouldn't of supported it.
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