20160621, 16:19  #1 
"Marv"
May 2009
near the TannhÃ¤user Gate
17·29 Posts 
1000 core chip that runs on AA batteries!
They claim it consumes 7 tenths of a watt executing 115 billion instructions/sec.
Interesting, not from a practical standpoint but to shows what's possible and maybe on the horizon. It sure would be the bomb, tho, to put several of these to work on our stuff. https://www.ucdavis.edu/news/worlds...processorchip It looks like they cut corners on the design all over the place ( cache, instruction set, FP thruput ( single precision only, of course), but still ...... 
20160621, 18:24  #2 
"Forget I exist"
Jul 2009
Dumbassville
2^{6}·131 Posts 
okay that's about 6.086956 picojoules per instruction by my math so at full instruction speed in theory I get about 10.834782 joules used per second ( aka watts) but other than running multiple tests LL isn't parallelizable so it's only use might be TF or some other thing done in parallel.

20160621, 19:32  #3 
"David"
Jul 2015
Ohio
1005_{8} Posts 
FFT multiplication is (sort of) paralizable. Thus the good performance of clLucas/CUDALucas, etc.

20160621, 20:01  #4  
Bamboozled!
May 2003
Down not across
23524_{8} Posts 
Quote:
The raw data is 0.7W and 115e9 instructions per second. All we can take away from that is that the power draw lies between 0.75 and 0.65W, with the performance lying between 114.5e9 and 115.5e9 ips. Thus all we can conclude is that the energy per instruction lies somewhere between 0.65/115.5e9 and 0.75/114.5 pJ, or between 5.6pJ and 6.6pJ. IOW, there's a good chance that not even the first digit you quote is correct. Why, then, do you state nine digits? That amount of precision is total BS. 

20160621, 21:48  #5  
"Forget I exist"
Jul 2009
Dumbassville
2^{6}×131 Posts 
Quote:


20160621, 21:56  #6  
If I May
"Chris Halsall"
Sep 2002
Barbados
29×311 Posts 
Quote:
Rather than giving six decimal points of meaningless precision, give a +/ on the measure. 

20160621, 21:59  #7 
"Forget I exist"
Jul 2009
Dumbassville
8384_{10} Posts 
I was just doing straight math from the given numbers. doing it from xilman's range of 5.66.5 pJ it gives 9.97 watts to 11.7 watts at full power rounded to 3 places.
Last fiddled with by science_man_88 on 20160621 at 22:08 
20160621, 22:01  #8 
If I May
"Chris Halsall"
Sep 2002
Barbados
29·311 Posts 

20160622, 02:04  #9 
Dec 2014
252_{10} Posts 
Just think about the RAM bottleneck ...

20160622, 10:55  #10 
"Forget I exist"
Jul 2009
Dumbassville
2^{6}·131 Posts 

20160622, 16:55  #11 
"Antonio Key"
Sep 2011
UK
3^{2}×59 Posts 
So what magic do they use to transfer instructions and data into/out of the processors?
Last fiddled with by Antonio on 20160622 at 16:55 
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