HECToR

HECToR AU Calculator

This page helps you to calculate the values you need to fill in the HECToR Application Forms.

To use the calculator simply fill in the values in the input section and the remaining entries will be calculated automatically. You do not need to fill in all the fields if you are not interested in that section.

Anywhere you see a [?] you can click for help with that section.

To reset the form, please reload the page.

Input section

Select funding body [?]:

Select HECToR Hardware Phase [?]:

	Largest Job	Typical Job	Smallest Job
Number of (MPI) processes [?]
Number of processes used per node [?]
Wallclock time for each job (hours) [?]
Number of jobs of this type [?]

Job Data

The information in this table can be used to help fill in the table on page 6 of the HECToR TA form. (You will also need some data from the fields you have filled in above.)

	Largest Job	Typical Job	Smallest Job
Number of processors (per job)
Total memory required (per job)
Total time for these jobs (hours)
% of such jobs

Additional Job Data

The information in this table is not needed for the HECToR TA form but may be useful.

Number of nodes (per job)
Memory per parallel process
AUs (per job) [?]
Notional cost (per job) (£)

Totals

This is information on the total AUs and notional cost of the current job specification. It is useful for filling out the table on page 10 of the HECToR TA Form and also for the cost associated with HECToR use in the Je-S submission system.

NB: If you are applying for time over different phases of HECToR and/or using both scalar (XT) and vector (X2) processors you will have to use the calculator multiple times to get all the totals you need for the table on page 10 of the HECToR TA form.

Total 'Computing Resource (AU)' for these jobs =

Total 'Notional Costs' for these jobs = £

AU Rates and Costs

XT AU Rates

Phase	AUs/Core Hour	Cores Per Node	AUs/Node Hour
Phase 1 XT4 (Oct 2007 - Jun 2009)	4.82	2	9.64
Phase 2a/b XT4(Aug 2009 - Sep 2010)	7.5	4	30
Phase 2b XT6 (Oct 2010 - Sep 2011)*	7.5	24	180
Phase 3 XT6 (Oct 2011 - Sep 2013)*	6.29	24	150.96

* The configuration is not yet fixed for Phases 2b and 3. The AU rates above are therefore subject to change

X2 AU Rates

Phase	AUs/Core Hour	Cores Per Node	AUs/Node Hour
Phase 1, 2, 3 (Oct 2007 - Sep 2013)	19.2	4	77

Costs per AU for Partner Research Councils

Phase	Scalar cost/AU (£)	Vector cost/AU (£)
Phase 1 (Oct 2007 - July 2009)	0.06354	0.50836
Phase 2a/b (Aug 2009 - Sep 2011)	0.01371	0.10969
Phase 3 (Oct 2011 - Sep 2013)	0.00578	0.04628

Costs per AU for other Research Councils

Phase	Scalar cost/AU (£)	Vector cost/AU (£)
Phase 1 (Oct 2007 - July 2009)	0.10765	0.86117
Phase 2a/b (Aug 2009 - Sep 2011)	0.01895	0.15161
Phase 3 (Oct 2011 - Sep 2013)	0.00805	0.06436

Hardware Layout by Phase

XT

Phase	Nodes	Cores Per Node	Memory Per Node (GB)	Max Nodes Per Job	Max Job Time (hours)
Phase 1 XT4 (Oct 2007 - Jun 2009)	5664	2	6	4096	12
Phase 2a/b XT4 (Aug 2009 - Sep 2010)	5664	4	8	4096	12
Phase 2b XT6 (Oct 2010 - Sep 2011)*	1856	24	32	1856	12
Phase 3 XT6 (Oct 2011 - Sep 2013)*	5664	24	32	5664	12

* The configuration is not yet fixed for Phases 2b and 3. The values above are therefore subject to change

X2

Phase	Nodes	Cores Per Node	Memory Per Node (GB)	Max Nodes Per Job	Max Job Time (hours)
Phase 1, 2, 3 (Oct 2007 - Sep 2013)*	28	4	32	28	12