« Tianhe-2 operation for 1 hour is equivalent to 1.3 billion people calculator operating one thousand years » (best-news.us – assertion not checked)
Top500.org
Top500.org
performance development
logarithmic progression! (x10 in 3years)
clusters, clusters (86%)!
51% in industry
max power efficiency: 5,3 Gflops/W
#500: 153 TFlops! – Total : 309 Pflops
poster Top500
Graph500.org
BlueGene++
Green500.org and GreenGraph500
List
max: 5,3 Gflops/W
#1 green500 = #168 top500 (317-594 Tflops)
#1 top500 = #57 green500 (2GFlops/W)
From LAN (cluster) computing to WAN computing
From LAN (cluster) computing to WAN computing
Set of machines distributed over a MAN/WAN that are used to execute parallel loosely coupled codes
Depending on the infrastructure (soft and hard), network computing is derived in Internet computing, P2P, Grid computing, etc.
Definitions become fuzzy...
Definitions become fuzzy...
A meta computer = set of (widely) distributed (high performance) processing resources that can be associated for processing a parallel not so loosely coupled code
A meta computer = parallel
virtual machine over a
distributed system
Use of (idle) computer interconnected by Internet for processing large throughput applications
Use of (idle) computer interconnected by Internet for processing large throughput applications
Ex: SETI@HOME
5M+ users since launching
20013/10: 1,4M users, 3,5M computers; 135k active users, 190k active computers
625 Tflops (average 505 Tflops)!
233 « countries »
2M years of CPU time since 1999;
BOINC infrastructure (Décrypthon, RSA-155…)
much less active than it used to be (:2 since 2011)