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Forum: Hardware 2011-09-27, 00:50
Replies: 46
Views: 51,159
Posted By Christenson
http://mersenneforum.org/showthread.php?t=16050 ...

http://mersenneforum.org/showthread.php?t=16050

Xyzzy does just this, with two computers running nVidia GPUs and TF. The question here was if a different trade of power versus speed might make...
Forum: Hardware 2011-09-22, 12:18
Replies: 46
Views: 51,159
Posted By Christenson
Le't see..you are saying 16W to match a 4 core...

Le't see..you are saying 16W to match a 4 core x86 CPU that probably pulls 100W. At least approximately...very interesting.....I like the power efficiency. PC's aren't terribly energy efficient in...
Forum: Hardware 2011-09-20, 21:41
Replies: 46
Views: 51,159
Posted By Christenson
If he is, I'll have to protest by turning...

If he is, I'll have to protest by turning another, new one on!
Forum: Hardware 2011-09-20, 12:47
Replies: 46
Views: 51,159
Posted By Christenson
Got to start with that "large amount of $$"...

Got to start with that "large amount of $$" part...I haven't got it....I was thinking that if I had the computer, jasonp would have little trouble putting it to 100% work, if I was willing to pay for...
Forum: Hardware 2011-09-20, 01:23
Replies: 46
Views: 51,159
Posted By Christenson
I was thinking more in terms of your objective...

I was thinking more in terms of your objective functions than my (somewhat naive) ones. I imagine you wanting to finish that last, linear algebra step on various GNFS jobs...requiring both massive...
Forum: Hardware 2011-09-18, 19:52
Replies: 46
Views: 51,159
Posted By Christenson
The question in my mind is, supposing I want to...

The question in my mind is, supposing I want to do better (more GHz-days per day, or fewer joules/GHz day) than my reasonably fast multi-core home system with a GTX560 GPU, what's the minimum...
Forum: Hardware 2011-09-17, 18:55
Replies: 46
Views: 51,159
Posted By Christenson
Interesting stuff... but I suspect that's out of...

Interesting stuff... but I suspect that's out of "average" consumer range, and therefore Jason's original argument applies.

GPUs now do LLs and TFs, and do TF exteremely efficiently compared to...
Forum: Hardware 2011-09-03, 04:25
Replies: 46
Views: 51,159
Posted By Christenson
http://arstechnica.com/hardware/news/2011/08/ibms-...

http://arstechnica.com/hardware/news/2011/08/ibms-new-transactional-memory-make-or-break-time-for-multithreaded-revolution.ars

Do you suppose P95 could get some time on Blue Gene to test how well...
Showing results 1 to 8 of 8

 
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