2007-2008

Awarded by Computer Service Units CPU-Years
LRAC NCSA Intel 64 Linux Cluster (Abe) 6,397,000 730
NCSA SGI Altix (Cobalt) 200,000 23
PSC Cray XT3 (BigBen) 1,568,000 179
TACC Cray-Dell Cluster (Lonestar) 2,550,000 291
TeraGrid Cluster (Mercury) 800,000 91
Indiana IBM e1350 (Big Red) 2,350,000 268
NCSA Xeon Cluster (Tungsten) 196,000 22
TACC Sun Linux Cluster (Ranger) 6,400,000 731
LRAC total 20,461,000 2,336
IACAT NCSA Intel 64 Linux Cluster (Abe) 14,150,000 1,615
Total 34,611,000 3,951

2006-2007

Computer Service Units CPU-Years
TeraGrid Cluster (Mercury) 1,859,000 212
Indiana IBM e1350 (Big Red) 775,000 88
NCSA SGI Altix (Cobalt) 1,847,000 211
(none) 600,000 68
PSC Cray XT3 (BigBen) 2,337,000 267
TACC Cray-Dell Cluster (Lonestar) 500,000 57
NCSA Intel 64 Linux Cluster (Abe) 520,000 59
Total 8,438,000 963

2005-2006

Center Computer Service Units
NCSA SGI Altix (Cobalt) 800,000
Teragrid Cluster 1,360,000
NCSA SGI Altix (Cobalt) 200,000
PSC Cray XT3 1,275,000
Roaming 10,000
Total 3,645,000

2004-2005

Center Computer Service Units
PSC TCS1 700,000
NCSA Teragrid 1,415,000
Xeon 472,000
Altix 500,000
TeraGrid Roaming 30,000
Total 3,117,000

2003-2004

Center Computer Service Units
PSC TCS1 800,000
NCSA Teragrid 350,000
Xeon 750,000
Total 1,900,000

2002-2003

Center Computer Service Units
PSC TCS1 1,385,000
NCSA
(supp)
Titan Linux 30,000
Regatta 50,000
Total 1,465,000

2001-2002

Center Computer Service Units
NCSA Origin2000 391,600
Platinum Linux 600,000
PSC T3E 500,000
TCS1 350,000
SDSC Blue Horizon 10,000
T3E 10,000
PSC
(supp)
TCS1 407,500
Total 2,269,100

2000-2001

Center Computer Service Units
NCSA Origin2000 178,000
SDSC Blue Horizon 5,000
PSC T3E 225,000
PSC
(Supp)
T3E 175,000
NCSA
(Supp)
Origin2000 16,000
PSC
(Supp)
T3E 10,000
PSC
(Supp)
TCS1 69,498
NCSA
(Supp)
Platinum 161,000
Total 839,498

1999-2000

Center Computer Service Units
NCSA Origin2000 75,000
SDSC Cray T3E 65,000
PSC Cray T3E 102,160
Total242,160

1998-1999

Center Computer Service Units
NCSA Origin2000 150,000
SDSC Cray T3E 36,000
PSC T3E/300 C90 25,000
Total 211,000

1997-1998

Center Computer Service Units
NCSA Origin2000 44,000
NCSA Convex Exemplar 100,000
PSC T3E/300 C90 25,000
Total 169,000

1996-1997

Center Computer Service Units
PSC Cray T3E 50,000
NCSA Convex Exemplar 50,000
SDSC Cray T3E 40,000
Total 140,000

1995-1996

Center Computer Service Units
PSC Cray C90 (for T3D) 200
PSC Cray T3D 50,000
SDSC Cray C90 1,900
NCSA Exemplar 50,000
Total 102,100

1994-1995

Center Computer Service Units
PSC Cray C90 250
PSC Cray T3D 10,000
SDSC Cray C90 750
NCSA Exemplar 30,000
NCSA SGI PowerChallenge 9,500
Total 40,500

1993-1994

Center Computer Service Units
PSC Cray C90 500
PSC Cray T3D 10,000
SDSC Cray C90 1,000
NCSA CM-5 3,000
Total 14,500