The HPCx Story

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This page contains information about HPCx phases at Daresbury from 2002-2010.

Photo of HPCx Phase 2a

HPCx Production Phases

The phases of the HPCx system were as shown in the table below.

PhaseDescription
Phase 1 4/10/2002- 42x IBM p690 Regatta servers. 40 each with 32x Power4 1.3 GHz CPUs (total 1,280 CPUs) with 1 GB memory plus 2x I/O control sub-systems each with 16 CPUs. 18 TB storage. LINPACK RMax 3.41 Tflop/s
Phase 2 29/5/2004- 50x IBM p690+ Regatta H servers each with 32x Power4+ 1.7 GHz CPUs (total 1,600 CPUs) with 2 GB memory. 2x I/O server frames. 36 TB storage. LINPACK RMax 6.188 Tflop/s
Phase 2a 25/11/2005- 12x frames each with 8x p575 nodes (96x in total) each with 8x 1.5 GHz Power5 dual core CPUs (total 1,536 CPU cores) and 32 GB memory. 2x I/O server frames. 36 TB storage. LINPACK RMax 7.395 Tflop/s
Phase 3 11/2006-31/1/2010 160x p575 nodes with Power5 1.5 GHz CPUs (total 2,560 CPU cores). 36 TB storage. LINPACK RMax 12.94 Tflop/s
Phase 4 (not implemented) 120x p575 nodes with Power5+ 1.9 GHz dual core CPUs (total 1,920 cores leading to energy saving).

HPCx at first ranked highly among the world's Top500, the following figures show how it fared as other faster systems were installed around the globe. For full information see TOP500.

List            Rank 	System 	Vendors 	Cores 	Rmax (GFlop/s) 	Rpeak (GFlop/s)
11/2002 	9 	pSeries 690 Turbo 1.3GHz 	IBM 	1280 	3406 	6656
06/2003 	12 	pSeries 690 Turbo 1.3GHz 	IBM 	1280 	3406 	6656
11/2003 	16 	pSeries 690 Turbo 1.3GHz 	IBM 	1280 	3406 	6656
06/2004 	18 	eServer pSeries 690 (1.7 GHz Power4+) 	IBM 	1600 	6188 	10880
11/2004 	27 	eServer pSeries 690 (1.7 GHz Power4+) 	IBM 	1600 	6188 	10880
06/2005 	45 	eServer pSeries 690 (1.7 GHz Power4+) 	IBM 	1600 	6188 	10880
11/2005 	56 	eServer pSeries 690 (1.7 GHz Power4+) 	IBM 	1600 	6188 	10880
06/2006 	76 	eServer pSeries 690 (1.7 GHz Power4+) 	IBM 	1600 	6188 	10880
11/2005 	45 	eServer pSeries p5 575 1.5 GHz 	IBM 	1536 	7395 	9216
06/2006 	59 	eServer pSeries p5 575 1.5 GHz 	IBM 	1536 	7395 	9216
11/2006 	43 	eServer pSeries p5 575 1.5 GHz 	IBM 	2560 	12940 	15360
06/2007 	65 	eServer pSeries p5 575 1.5 GHz 	IBM 	2560 	12940 	15360
06/2007 	65 	eServer pSeries p5 575 1.5 GHz 	IBM 	2560 	12940 	15360
11/2007         102     eServer pSeries p5 575 1.5 GHz IBM      2560    12940   15360
06/2008 	262 	eServer pSeries p5 575 1.5 GHz 	IBM 	2560 	12940 	15360
11/2008 	490 	eServer pSeries p5 575 1.5 GHz 	IBM 	2560 	12940 	15360

The following photos were taken during Phase 1 installation.

HPCx cold aisle HPCx fibre optic network HPCx hot aisle single p690 frame HPCx Phase 1 complete

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