mersenneforum.org  

Go Back   mersenneforum.org > Great Internet Mersenne Prime Search > PrimeNet > GPU to 72

Reply
Thread Tools
Old 2013-09-12, 20:29   #2377
kladner
 
kladner's Avatar
 
"Kieren"
Jul 2011
In My Own Galaxy!

236568 Posts
Default

Quote:
Originally Posted by sdbardwick View Post
In this context SPE is Stupid Programmer Error (TM chalsall).
Of Course! DUH!
kladner is offline   Reply With Quote
Old 2013-09-12, 22:10   #2378
cheesehead
 
cheesehead's Avatar
 
"Richard B. Woods"
Aug 2002
Wisconsin USA

11110000011002 Posts
Default

Synonym:
Quote:
Originally Posted by wikipedia
Computer science

  • Software performance engineering ...
cheesehead is offline   Reply With Quote
Old 2013-09-16, 18:50   #2379
petrw1
1976 Toyota Corona years forever!
 
petrw1's Avatar
 
"Wayne"
Nov 2006
Saskatchewan, Canada

111248 Posts
Default 100,000 P1. 1,000,000 GHz Days saved

Not me....G72.
petrw1 is offline   Reply With Quote
Old 2013-09-17, 04:31   #2380
TheMawn
 
TheMawn's Avatar
 
May 2013
East. Always East.

11·157 Posts
Default

1,000,000 GHz-Days of LL tests alone is a LOT. That's almost twice as much as gets done in an entire year. About four times Curtisc's yearly throughput.

Go team GPU!
TheMawn is offline   Reply With Quote
Old 2013-09-17, 05:23   #2381
NBtarheel_33
 
NBtarheel_33's Avatar
 
"Nathan"
Jul 2008
Maryland, USA

5·223 Posts
Default

Quote:
Originally Posted by TheMawn View Post
1,000,000 GHz-Days of LL tests alone is a LOT. That's almost twice as much as gets done in an entire year. About four times Curtisc's yearly throughput.

Go team GPU!
Actually, four times curtisc's yearly throughput would be 10,000,000 GHz-days. But what's an order of magnitude amongst friends?

One million GHz-days, or 1 Petahertz-day, or just under 2740 GHz-years, however, is certainly still an accomplishment of which to be quite proud. Huzzah!

On 2013-01-22, I went through and added up all of the GHz-days totals in the account rankings for the last year, and then over every year back to 1996. I was quite shocked to find that some 28.5% of GIMPS all-time throughput had been achieved in the most recent 12 months! (For the number crunchers among us, I calculated 58,509,783 GHz-days since the Dawn-of-GIMPS(TM), and 16,678,308 GHz-days in the period 2012-01-22 to 2013-01-22.)
NBtarheel_33 is offline   Reply With Quote
Old 2013-09-17, 12:28   #2382
James Heinrich
 
James Heinrich's Avatar
 
"James Heinrich"
May 2004
ex-Northern Ontario

D5D16 Posts
Default

1 GHz-day = 5.075 P-90 years (original GIMPS work measurement). Assuming a single stock GTX 580 processes 433.2 GHz-days/day (running mfaktc), that single GPU will do what took George's original Pentium 90 an entire year of work... every 17 minutes.
James Heinrich is offline   Reply With Quote
Old 2013-09-17, 17:35   #2383
chalsall
If I May
 
chalsall's Avatar
 
"Chris Halsall"
Sep 2002
Barbados

9,767 Posts
Default

Quote:
Originally Posted by James Heinrich View Post
1 GHz-day = 5.075 P-90 years (original GIMPS work measurement). Assuming a single stock GTX 580 processes 433.2 GHz-days/day (running mfaktc), that single GPU will do what took George's original Pentium 90 an entire year of work... every 17 minutes.
How things change; how they stay the same.
chalsall is offline   Reply With Quote
Old 2013-09-17, 18:28   #2384
garo
 
garo's Avatar
 
Aug 2002
Termonfeckin, IE

22·691 Posts
Default

Quote:
Originally Posted by James Heinrich View Post
1 GHz-day = 5.075 P-90 years (original GIMPS work measurement). Assuming a single stock GTX 580 processes 433.2 GHz-days/day (running mfaktc), that single GPU will do what took George's original Pentium 90 an entire year of work... every 17 minutes.
Are you sure you have this right? Check your calculation again.
garo is offline   Reply With Quote
Old 2013-09-17, 19:13   #2385
Mini-Geek
Account Deleted
 
Mini-Geek's Avatar
 
"Tim Sorbera"
Aug 2006
San Antonio, TX USA

102538 Posts
Default

Quote:
Originally Posted by garo View Post
Are you sure you have this right? Check your calculation again.
I get 39.3 seconds.
Mini-Geek is offline   Reply With Quote
Old 2013-09-17, 19:40   #2386
chalsall
If I May
 
chalsall's Avatar
 
"Chris Halsall"
Sep 2002
Barbados

9,767 Posts
Default

Quote:
Originally Posted by garo View Post
Are you sure you have this right? Check your calculation again.
Commander...

What, please, exactly, is your point?
chalsall is offline   Reply With Quote
Old 2013-09-18, 04:20   #2387
TheMawn
 
TheMawn's Avatar
 
May 2013
East. Always East.

11·157 Posts
Default

Whoops I saw 250k GHz-Days, not 2.5M. Haha. D'oh well. Still a great accomplishment.
TheMawn is offline   Reply With Quote
Reply



Similar Threads
Thread Thread Starter Forum Replies Last Post
Status Primeinator Operation Billion Digits 5 2011-12-06 02:35
62 bit status 1997rj7 Lone Mersenne Hunters 27 2008-09-29 13:52
OBD Status Uncwilly Operation Billion Digits 22 2005-10-25 14:05
1-2M LLR status paulunderwood 3*2^n-1 Search 2 2005-03-13 17:03
Status of 26.0M - 26.5M 1997rj7 Lone Mersenne Hunters 25 2004-06-18 16:46

All times are UTC. The time now is 09:51.


Mon Aug 2 09:51:19 UTC 2021 up 10 days, 4:20, 0 users, load averages: 1.27, 1.27, 1.28

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.