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Author Topic: "A miner that can work with memory underclocked to 300MHz and scans whole 32bit"  (Read 807 times)
Killdozer
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August 29, 2011, 12:59:18 AM
 #1

"A miner that can work with memory underclocked to 300MHz and scans whole 32bit nonce space."
This is a quote from the wiki page about the Phoenix miner. (https://en.bitcoin.it/wiki/Phoenix_miner)

But there is no more explanation about this, can someone elaborate? Should I underclock my memory and use some extra options with it if I underclock? How much faster will the card peform? Seems strange that underclocking anything can improve performance... Can't find any info about this.

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BkkCoins
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August 29, 2011, 02:10:53 AM
 #2

I have no idea what is meant by that. AFAIK the memory isn't used by the mining code and under-clocking it is simply to reduce power usage since it isn't used.

The Phoenix docs make no reference to options for under-clocked memory. I don't think it even uses the memory, or not in anyway that affects performance.

Gabi
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August 29, 2011, 01:25:39 PM
 #3

Every miner work with underclocked memory... or better, everything work with underclocked memory...
phelix
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August 29, 2011, 02:29:20 PM
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the most benefit from reducing memory clock is lower power dissipation thus allowing higher core clocks.

For some reason reducing memory actually does in fact also increase the hashrate by a little bit. somewhere in the clocktweak thread there is a quote with a chart.

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