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"In a nutshell, the network works like a distributed
timestamp server, stamping the first transaction to spend a coin. It
takes advantage of the nature of information being easy to spread but
hard to stifle." -- Satoshi
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rjk
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1ngldh
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June 28, 2012, 02:02:23 AM |
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Only recently did it become available on a motherboard, but I'm not interested in the formfactor that it became available on. However, the Quad Core is simply 2 Dual Core chips on one package, so testing a Dual Core should get some close numbers. I do have a Dual Core (Zotac ZBOX NANO based on the VX900H chipset), so maybe I'll test it sometime. |
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crazyates
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June 28, 2012, 03:37:56 AM |
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Only recently did it become available on a motherboard, but I'm not interested in the formfactor that it became available on. However, the Quad Core is simply 2 Dual Core chips on one package, so testing a Dual Core should get some close numbers. I do have a Dual Core (Zotac ZBOX NANO based on the VX900H chipset), so maybe I'll test it sometime. This makes it sound like it's got specific instructions or features for SHA256, sort of like SB's Quick Sync for video encoding. |
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goxed
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Bitcoin / Crypto mining Hardware.
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June 28, 2012, 03:53:43 AM |
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Only recently did it become available on a motherboard, but I'm not interested in the formfactor that it became available on. However, the Quad Core is simply 2 Dual Core chips on one package, so testing a Dual Core should get some close numbers. I do have a Dual Core (Zotac ZBOX NANO based on the VX900H chipset), so maybe I'll test it sometime. This makes it sound like it's got specific instructions or features for SHA256, sort of like SB's Quick Sync for video encoding. From http://www.via.com.tw/en/downloads/whitepapers/processors/WP080529VIA_Nano.pdfThe VIA Nano provides two of the most commonly used, SHA-1 and SHA-256, which are able to encrypt information at rates of up to 5 gigabits/sec. |
Revewing Bitcoin / Crypto mining Hardware.
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AzN1337c0d3r
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★YoBit.Net★ 350+ Coins Exchange & Dice
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June 28, 2012, 05:06:14 AM |
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The VIA Nano provides two of the most commonly used, SHA-1 and SHA-256, which are able to encrypt information at rates of up to 5 gigabits/sec.
So that turns out to be a whopping 10 MH/s? |
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crazyates
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June 28, 2012, 02:21:43 PM |
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The VIA Nano provides two of the most commonly used, SHA-1 and SHA-256, which are able to encrypt information at rates of up to 5 gigabits/sec.
So that turns out to be a whopping 10 MH/s? Hey, that's not bad for a CPU  |
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rjk
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1ngldh
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June 29, 2012, 01:26:15 AM |
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The VIA Nano provides two of the most commonly used, SHA-1 and SHA-256, which are able to encrypt information at rates of up to 5 gigabits/sec.
So that turns out to be a whopping 10 MH/s? Is that per core? Those things only use like 5 watts or something. |
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crazyates
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June 29, 2012, 01:28:27 AM |
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The VIA Nano provides two of the most commonly used, SHA-1 and SHA-256, which are able to encrypt information at rates of up to 5 gigabits/sec.
So that turns out to be a whopping 10 MH/s? Is that per core? Those things only use like 5 watts or something. 27W for the full quad core. |
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rjk
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Activity: 448
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1ngldh
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June 29, 2012, 01:31:41 AM |
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The VIA Nano provides two of the most commonly used, SHA-1 and SHA-256, which are able to encrypt information at rates of up to 5 gigabits/sec.
So that turns out to be a whopping 10 MH/s? Is that per core? Those things only use like 5 watts or something. 27W for the full quad core. Oh zing, those things are power hogs then. The dual cores I have actually are rated TDP of 17 watts I think, but they are also underclocked compared to the single core units (1Ghz instead of 1.2Ghz) |
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BoardGameCoin
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June 29, 2012, 01:55:48 AM |
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So, I'm curious how fast these could go. the 10 MH/s above seems to be based on a (5 Gb/s) / (32 * 8 bits per sha256 hash) / (2 hashes per block hash) Based on the following diff adding padlock support to openssl, it seems the instruction takes a round count. If the round count reduces memory pressure, perhaps the 2 hashes would take roughly the same time as one. This suggests that perhaps one of these quad cores could do up to 80 MH/s. http://www.logix.cz/michal/devel/padlock/kernel-sha/padlock-sha-complete.diffOf course this is all speculation. If someone has one of these to borrow I'd play around with it and see what I could get out of it. Even 80 MH/s is nothing significant. But I'm curious... -bgc |
I'm selling great Minion Games like The Manhattan Project, Kingdom of Solomon and Venture Forth at 4% off retail starting June 2012. PM me or go to my thread in the Marketplace if you're interested. For Settlers/Dominion/Carcassone etc., I do email gift cards on Amazon for a 5% fee. PM if you're interested. |
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